diff --git a/CHANGELOG.md b/CHANGELOG.md
index e113d07..da59120 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### Current Version
+
+- Use multi-language charset normalization as the default `Encoder`
+- Simplified charset support for CJK, Arabic, Cyrillic, Hindi, ... no extra charset definition required, the default encoder can handle them all
+- Charset renamed `LatinExact` => `Exact`, `LatinDefault` => `Default` and `LatinSimple` => `Normalize`, these are universal charset presets for any languages
+- Charset `CjkDefault`, `ArabicDefault` and `CyrillicDefault` was removed, they are fully covered by the default universal charset presets
+
 ### v0.8.1
 
 - Resolver Support for Documents
diff --git a/dist/flexsearch.bundle.debug.js b/dist/flexsearch.bundle.debug.js
index 6e9a4bd..a488bc3 100644
--- a/dist/flexsearch.bundle.debug.js
+++ b/dist/flexsearch.bundle.debug.js
@@ -1,5 +1,5 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle/Debug)
+ * FlexSearch.js v0.8.143 (Bundle/Debug)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
@@ -77,18 +77,10 @@ function ca(a) {
   }
   return c;
 }
-;var da = [["\u00aa", "a"], ["\u00b2", "2"], ["\u00b3", "3"], ["\u00b9", "1"], ["\u00ba", "o"], ["\u00bc", "1\u20444"], ["\u00bd", "1\u20442"], ["\u00be", "3\u20444"], ["\u00e0", "a"], ["\u00e1", "a"], ["\u00e2", "a"], ["\u00e3", "a"], ["\u00e4", "a"], ["\u00e5", "a"], ["\u00e7", "c"], ["\u00e8", "e"], ["\u00e9", "e"], ["\u00ea", "e"], ["\u00eb", "e"], ["\u00ec", "i"], ["\u00ed", "i"], ["\u00ee", "i"], ["\u00ef", "i"], ["\u00f1", "n"], ["\u00f2", "o"], ["\u00f3", "o"], ["\u00f4", "o"], ["\u00f5", 
-"o"], ["\u00f6", "o"], ["\u00f9", "u"], ["\u00fa", "u"], ["\u00fb", "u"], ["\u00fc", "u"], ["\u00fd", "y"], ["\u00ff", "y"], ["\u0101", "a"], ["\u0103", "a"], ["\u0105", "a"], ["\u0107", "c"], ["\u0109", "c"], ["\u010b", "c"], ["\u010d", "c"], ["\u010f", "d"], ["\u0113", "e"], ["\u0115", "e"], ["\u0117", "e"], ["\u0119", "e"], ["\u011b", "e"], ["\u011d", "g"], ["\u011f", "g"], ["\u0121", "g"], ["\u0123", "g"], ["\u0125", "h"], ["\u0129", "i"], ["\u012b", "i"], ["\u012d", "i"], ["\u012f", "i"], ["\u0133", 
-"ij"], ["\u0135", "j"], ["\u0137", "k"], ["\u013a", "l"], ["\u013c", "l"], ["\u013e", "l"], ["\u0140", "l"], ["\u0144", "n"], ["\u0146", "n"], ["\u0148", "n"], ["\u0149", "n"], ["\u014d", "o"], ["\u014f", "o"], ["\u0151", "o"], ["\u0155", "r"], ["\u0157", "r"], ["\u0159", "r"], ["\u015b", "s"], ["\u015d", "s"], ["\u015f", "s"], ["\u0161", "s"], ["\u0163", "t"], ["\u0165", "t"], ["\u0169", "u"], ["\u016b", "u"], ["\u016d", "u"], ["\u016f", "u"], ["\u0171", "u"], ["\u0173", "u"], ["\u0175", "w"], ["\u0177", 
-"y"], ["\u017a", "z"], ["\u017c", "z"], ["\u017e", "z"], ["\u017f", "s"], ["\u01a1", "o"], ["\u01b0", "u"], ["\u01c6", "dz"], ["\u01c9", "lj"], ["\u01cc", "nj"], ["\u01ce", "a"], ["\u01d0", "i"], ["\u01d2", "o"], ["\u01d4", "u"], ["\u01d6", "u"], ["\u01d8", "u"], ["\u01da", "u"], ["\u01dc", "u"], ["\u01df", "a"], ["\u01e1", "a"], ["\u01e3", "ae"], ["\u00e6", "ae"], ["\u01fd", "ae"], ["\u01e7", "g"], ["\u01e9", "k"], ["\u01eb", "o"], ["\u01ed", "o"], ["\u01ef", "\u0292"], ["\u01f0", "j"], ["\u01f3", 
-"dz"], ["\u01f5", "g"], ["\u01f9", "n"], ["\u01fb", "a"], ["\u01ff", "\u00f8"], ["\u0201", "a"], ["\u0203", "a"], ["\u0205", "e"], ["\u0207", "e"], ["\u0209", "i"], ["\u020b", "i"], ["\u020d", "o"], ["\u020f", "o"], ["\u0211", "r"], ["\u0213", "r"], ["\u0215", "u"], ["\u0217", "u"], ["\u0219", "s"], ["\u021b", "t"], ["\u021f", "h"], ["\u0227", "a"], ["\u0229", "e"], ["\u022b", "o"], ["\u022d", "o"], ["\u022f", "o"], ["\u0231", "o"], ["\u0233", "y"], ["\u02b0", "h"], ["\u02b1", "h"], ["\u0266", "h"], 
-["\u02b2", "j"], ["\u02b3", "r"], ["\u02b4", "\u0279"], ["\u02b5", "\u027b"], ["\u02b6", "\u0281"], ["\u02b7", "w"], ["\u02b8", "y"], ["\u02e0", "\u0263"], ["\u02e1", "l"], ["\u02e2", "s"], ["\u02e3", "x"], ["\u02e4", "\u0295"], ["\u0390", "\u03b9"], ["\u03ac", "\u03b1"], ["\u03ad", "\u03b5"], ["\u03ae", "\u03b7"], ["\u03af", "\u03b9"], ["\u03b0", "\u03c5"], ["\u03ca", "\u03b9"], ["\u03cb", "\u03c5"], ["\u03cc", "\u03bf"], ["\u03cd", "\u03c5"], ["\u03ce", "\u03c9"], ["\u03d0", "\u03b2"], ["\u03d1", 
-"\u03b8"], ["\u03d2", "\u03a5"], ["\u03d3", "\u03a5"], ["\u03d4", "\u03a5"], ["\u03d5", "\u03c6"], ["\u03d6", "\u03c0"], ["\u03f0", "\u03ba"], ["\u03f1", "\u03c1"], ["\u03f2", "\u03c2"], ["\u03f5", "\u03b5"], ["\u0439", "\u0438"], ["\u0450", "\u0435"], ["\u0451", "\u0435"], ["\u0453", "\u0433"], ["\u0457", "\u0456"], ["\u045c", "\u043a"], ["\u045d", "\u0438"], ["\u045e", "\u0443"], ["\u0477", "\u0475"], ["\u04c2", "\u0436"], ["\u04d1", "\u0430"], ["\u04d3", "\u0430"], ["\u04d7", "\u0435"], ["\u04db", 
-"\u04d9"], ["\u04dd", "\u0436"], ["\u04df", "\u0437"], ["\u04e3", "\u0438"], ["\u04e5", "\u0438"], ["\u04e7", "\u043e"], ["\u04eb", "\u04e9"], ["\u04ed", "\u044d"], ["\u04ef", "\u0443"], ["\u04f1", "\u0443"], ["\u04f3", "\u0443"], ["\u04f5", "\u0447"]];
-const ea = /[^\p{L}\p{N}]+/u, fa = /(\d{3})/g, ha = /(\D)(\d{3})/g, ia = /(\d{3})(\D)/g, ja = "".normalize && /[\u0300-\u036f]/g;
-function ka(a = {}) {
-  if (!this || this.constructor !== ka) {
-    return new ka(...arguments);
+;const da = /[^\p{L}\p{N}]+/u, ea = /(\d{3})/g, fa = /(\D)(\d{3})/g, ha = /(\d{3})(\D)/g, ia = /[\u0300-\u036f]/g;
+function ja(a = {}) {
+  if (!this || this.constructor !== ja) {
+    return new ja(...arguments);
   }
   if (arguments.length) {
     for (a = 0; a < arguments.length; a++) {
@@ -98,7 +90,7 @@ function ka(a = {}) {
     this.assign(a);
   }
 }
-t = ka.prototype;
+t = ja.prototype;
 t.assign = function(a) {
   this.normalize = z(a.normalize, !0, this.normalize);
   let c = a.include, b = c || a.exclude || a.split, e;
@@ -126,7 +118,7 @@ t.assign = function(a) {
     this.numeric = z(a.numeric, e);
   } else {
     try {
-      this.split = z(this.split, ea);
+      this.split = z(this.split, da);
     } catch (d) {
       console.warn("This platform does not support unicode regex. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
     }
@@ -134,7 +126,6 @@ t.assign = function(a) {
   }
   this.prepare = z(a.prepare, null, this.prepare);
   this.finalize = z(a.finalize, null, this.finalize);
-  ja || (this.mapper = new Map(da));
   b = a.filter;
   this.filter = "function" === typeof b ? b : z(b && new Set(b), null, this.filter);
   this.dedupe = z(a.dedupe, !1, this.dedupe);
@@ -222,9 +213,9 @@ t.encode = function(a) {
       this.H = setTimeout(J, 50, this);
     }
   }
-  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = ja ? a.normalize("NFKD").replace(ja, "").toLowerCase() : a.toLowerCase());
+  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = ia ? a.normalize("NFKD").replace(ia, "").toLowerCase() : a.toLowerCase());
   this.prepare && (a = this.prepare(a));
-  this.numeric && 3 < a.length && (a = a.replace(ha, "$1 $2").replace(ia, "$1 $2").replace(fa, "$1 "));
+  this.numeric && 3 < a.length && (a = a.replace(fa, "$1 $2").replace(ha, "$1 $2").replace(ea, "$1 "));
   const c = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
   let b = [], e = this.split || "" === this.split ? a.split(this.split) : a;
   for (let f = 0, g, k; f < e.length; f++) {
@@ -274,7 +265,7 @@ function J(a) {
   a.G.clear();
 }
 ;let K, M;
-async function la(a) {
+async function ka(a) {
   a = a.data;
   var c = a.task;
   const b = a.id;
@@ -304,25 +295,25 @@ async function la(a) {
       postMessage("search" === c ? {id:b, msg:d} : {id:b});
   }
 }
-;function ma(a) {
-  na.call(a, "add");
-  na.call(a, "append");
-  na.call(a, "search");
-  na.call(a, "update");
-  na.call(a, "remove");
+;function la(a) {
+  ma.call(a, "add");
+  ma.call(a, "append");
+  ma.call(a, "search");
+  ma.call(a, "update");
+  ma.call(a, "remove");
 }
-let oa, pa, qa;
-function ra() {
-  oa = qa = 0;
+let na, oa, pa;
+function qa() {
+  na = pa = 0;
 }
-function na(a) {
+function ma(a) {
   this[a + "Async"] = function() {
     const c = arguments;
     var b = c[c.length - 1];
     let e;
     "function" === typeof b && (e = b, delete c[c.length - 1]);
-    oa ? qa || (qa = Date.now() - pa >= this.priority * this.priority * 3) : (oa = setTimeout(ra, 0), pa = Date.now());
-    if (qa) {
+    na ? pa || (pa = Date.now() - oa >= this.priority * this.priority * 3) : (na = setTimeout(qa, 0), oa = Date.now());
+    if (pa) {
       const f = this;
       return new Promise(g => {
         setTimeout(function() {
@@ -367,7 +358,7 @@ function P(a = {}) {
   }
   let b = "undefined" !== typeof self ? self._factory : "undefined" !== typeof window ? window._factory : null;
   b && (b = b.toString());
-  const e = "undefined" === typeof window, d = this, f = sa(b, e, a.worker);
+  const e = "undefined" === typeof window, d = this, f = ra(b, e, a.worker);
   return f.then ? f.then(function(g) {
     return c.call(d, g);
   }) : c.call(this, f);
@@ -380,7 +371,7 @@ Q("remove");
 Q("clear");
 Q("export");
 Q("import");
-ma(P.prototype);
+la(P.prototype);
 function Q(a) {
   P.prototype[a] = function() {
     const c = this, b = [].slice.call(arguments);
@@ -395,11 +386,11 @@ function Q(a) {
     return d ? (e.then(d), this) : e;
   };
 }
-function sa(a, c, b) {
-  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/node/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"]((1,eval)("import.meta.dirname")+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + la.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : (0,eval)("import.meta.url").replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
+function ra(a, c, b) {
+  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/node/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"]((1,eval)("import.meta.dirname")+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + ka.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : (0,eval)("import.meta.url").replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
   "module/worker/worker.js"), {type:"module"});
 }
-;function ta(a, c = 0) {
+;function sa(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 5000 | 0);
   for (const d of a.entries()) {
@@ -408,30 +399,30 @@ function sa(a, c, b) {
   e.length && b.push(e);
   return b;
 }
-function ua(a, c) {
+function ta(a, c) {
   c || (c = new Map());
   for (let b = 0, e; b < a.length; b++) {
     e = a[b], c.set(e[0], e[1]);
   }
   return c;
 }
-function va(a, c = 0) {
+function ua(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 1000 | 0);
   for (const d of a.entries()) {
-    e.push([d[0], ta(d[1])[0]]), e.length === c && (b.push(e), e = []);
+    e.push([d[0], sa(d[1])[0]]), e.length === c && (b.push(e), e = []);
   }
   e.length && b.push(e);
   return b;
 }
-function wa(a, c) {
+function va(a, c) {
   c || (c = new Map());
   for (let b = 0, e, d; b < a.length; b++) {
-    e = a[b], d = c.get(e[0]), c.set(e[0], ua(e[1], d));
+    e = a[b], d = c.get(e[0]), c.set(e[0], ta(e[1], d));
   }
   return c;
 }
-function xa(a) {
+function wa(a) {
   let c = [], b = [];
   for (const e of a.keys()) {
     b.push(e), 250000 === b.length && (c.push(b), b = []);
@@ -439,14 +430,14 @@ function xa(a) {
   b.length && c.push(b);
   return c;
 }
-function ya(a, c) {
+function xa(a, c) {
   c || (c = new Set());
   for (let b = 0; b < a.length; b++) {
     c.add(a[b]);
   }
   return c;
 }
-function za(a, c, b, e, d, f, g = 0) {
+function ya(a, c, b, e, d, f, g = 0) {
   const k = e && e.constructor === Array;
   var h = k ? e.shift() : e;
   if (!h) {
@@ -455,12 +446,12 @@ function za(a, c, b, e, d, f, g = 0) {
   if ((h = a((c ? c + "." : "") + (g + 1) + "." + b, JSON.stringify(h))) && h.then) {
     const l = this;
     return h.then(function() {
-      return za.call(l, a, c, b, k ? e : null, d, f, g + 1);
+      return ya.call(l, a, c, b, k ? e : null, d, f, g + 1);
     });
   }
-  return za.call(this, a, c, b, k ? e : null, d, f, g + 1);
+  return ya.call(this, a, c, b, k ? e : null, d, f, g + 1);
 }
-function Aa(a, c) {
+function za(a, c) {
   let b = "";
   for (const e of a.entries()) {
     a = e[0];
@@ -480,7 +471,7 @@ function Aa(a, c) {
   }
   return b;
 }
-;function Ba(a, c, b, e) {
+;function Aa(a, c, b, e) {
   let d = [];
   for (let f = 0, g; f < a.index.length; f++) {
     if (g = a.index[f], c >= g.length) {
@@ -546,12 +537,12 @@ function R(a) {
     }
     if ("slice" === e) {
       return function(d, f) {
-        return Ba(c, d || 0, f || c.length, !1);
+        return Aa(c, d || 0, f || c.length, !1);
       };
     }
     if ("splice" === e) {
       return function(d, f) {
-        return Ba(c, d || 0, f || c.length, !0);
+        return Aa(c, d || 0, f || c.length, !0);
       };
     }
     if ("constructor" === e) {
@@ -582,7 +573,7 @@ function S(a = 8) {
   this.index = B();
   this.h = [];
   this.size = 0;
-  32 < a ? (this.B = Ca, this.A = BigInt(a)) : (this.B = Da, this.A = a);
+  32 < a ? (this.B = Ba, this.A = BigInt(a)) : (this.B = Ca, this.A = a);
 }
 S.prototype.get = function(a) {
   const c = this.index[this.B(a)];
@@ -600,7 +591,7 @@ function T(a = 8) {
   this.index = B();
   this.h = [];
   this.size = 0;
-  32 < a ? (this.B = Ca, this.A = BigInt(a)) : (this.B = Da, this.A = a);
+  32 < a ? (this.B = Ba, this.A = BigInt(a)) : (this.B = Ca, this.A = a);
 }
 T.prototype.add = function(a) {
   var c = this.B(a);
@@ -642,7 +633,7 @@ t.entries = T.prototype.entries = function*() {
     }
   }
 };
-function Da(a) {
+function Ca(a) {
   let c = 2 ** this.A - 1;
   if ("number" == typeof a) {
     return a & c;
@@ -653,7 +644,7 @@ function Da(a) {
   }
   return 32 === this.A ? b + 2 ** 31 : b;
 }
-function Ca(a) {
+function Ba(a) {
   let c = BigInt(2) ** this.A - BigInt(1);
   var b = typeof a;
   if ("bigint" === b) {
@@ -683,7 +674,7 @@ function Ca(a) {
         d && e.add(a, d, !1, !0);
       } else {
         if (d = h.I, !d || d(c)) {
-          h.constructor === String ? h = ["" + h] : E(h) && (h = [h]), Ea(c, h, this.J, 0, e, a, h[0], b);
+          h.constructor === String ? h = ["" + h] : E(h) && (h = [h]), Da(c, h, this.J, 0, e, a, h[0], b);
         }
       }
     }
@@ -746,7 +737,7 @@ function Ca(a) {
             k[l] = c[l];
             continue;
           }
-          Fa(c, k, l, 0, l[0], n);
+          Ea(c, k, l, 0, l[0], n);
         }
       }
       this.store.set(a, k || c);
@@ -755,21 +746,21 @@ function Ca(a) {
   }
   return this;
 };
-function Fa(a, c, b, e, d, f) {
+function Ea(a, c, b, e, d, f) {
   a = a[d];
   if (e === b.length - 1) {
     c[d] = f || a;
   } else if (a) {
     if (a.constructor === Array) {
       for (c = c[d] = Array(a.length), d = 0; d < a.length; d++) {
-        Fa(a, c, b, e, d);
+        Ea(a, c, b, e, d);
       }
     } else {
-      c = c[d] || (c[d] = B()), d = b[++e], Fa(a, c, b, e, d);
+      c = c[d] || (c[d] = B()), d = b[++e], Ea(a, c, b, e, d);
     }
   }
 }
-function Ea(a, c, b, e, d, f, g, k) {
+function Da(a, c, b, e, d, f, g, k) {
   if (a = a[g]) {
     if (e === c.length - 1) {
       if (a.constructor === Array) {
@@ -785,17 +776,17 @@ function Ea(a, c, b, e, d, f, g, k) {
     } else {
       if (a.constructor === Array) {
         for (g = 0; g < a.length; g++) {
-          Ea(a, c, b, e, d, f, g, k);
+          Da(a, c, b, e, d, f, g, k);
         }
       } else {
-        g = c[++e], Ea(a, c, b, e, d, f, g, k);
+        g = c[++e], Da(a, c, b, e, d, f, g, k);
       }
     }
   } else {
     d.db && d.remove(f);
   }
 }
-;function Ga(a, c, b, e, d, f, g) {
+;function Fa(a, c, b, e, d, f, g) {
   const k = a.length;
   let h = [], l, n;
   l = B();
@@ -820,7 +811,7 @@ function Ea(a, c, b, e, d, f, g, k) {
   }
   if (a = h.length) {
     if (d) {
-      h = 1 < h.length ? Ha(h, b, e, g, f) : (h = h[0]).length > b || e ? h.slice(e, b + e) : h;
+      h = 1 < h.length ? Ga(h, b, e, g, f) : (h = h[0]).length > b || e ? h.slice(e, b + e) : h;
     } else {
       if (a < k) {
         return [];
@@ -853,7 +844,7 @@ function Ea(a, c, b, e, d, f, g, k) {
   }
   return h;
 }
-function Ha(a, c, b, e, d) {
+function Ga(a, c, b, e, d) {
   const f = [], g = B();
   let k;
   var h = a.length;
@@ -898,7 +889,7 @@ function Ha(a, c, b, e, d) {
   }
   return f;
 }
-function Ia(a, c, b) {
+function Ha(a, c, b) {
   const e = B(), d = [];
   for (let f = 0, g; f < c.length; f++) {
     g = c[f];
@@ -919,7 +910,7 @@ function Ia(a, c, b) {
   }
   return d;
 }
-;function Ja(a, c, b, e) {
+;function Ia(a, c, b, e) {
   if (!a.length) {
     return a;
   }
@@ -950,7 +941,7 @@ function Ia(a, c, b) {
   d = 1 < d.length ? [].concat.apply([], d) : d[0];
   return e ? V.call(this, d) : d;
 }
-;function Ka(a, c, b) {
+;function Ja(a, c, b) {
   var e = b[0];
   if (e.then) {
     return Promise.all(b).then(function(n) {
@@ -997,10 +988,10 @@ function Ia(a, c, b) {
   return {O:e, P:d, limit:f, offset:g, enrich:k, resolve:h, suggest:l};
 }
 ;W.prototype.or = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Ka(this, "or", arguments);
-  return La.call(this, a, c, b, e, d, f);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Ja(this, "or", arguments);
+  return Ka.call(this, a, c, b, e, d, f);
 };
-function La(a, c, b, e, d, f) {
+function Ka(a, c, b, e, d, f) {
   if (c.length) {
     const g = this;
     return Promise.all(c).then(function(k) {
@@ -1008,10 +999,10 @@ function La(a, c, b, e, d, f) {
       for (let h = 0, l; h < k.length; h++) {
         (l = k[h]).length && (a[h] = l);
       }
-      return La.call(g, a, [], b, e, d, f);
+      return Ka.call(g, a, [], b, e, d, f);
     });
   }
-  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = Ha(a, b, e, !1, this.h), e = 0));
+  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = Ga(a, b, e, !1, this.h), e = 0));
   return f ? this.resolve(b, e, d) : this;
 }
 ;W.prototype.and = function() {
@@ -1021,11 +1012,40 @@ function La(a, c, b, e, d, f) {
     f && (a = !!f.suggest, d = f.resolve, c = f.limit, b = f.offset, e = f.enrich && d);
   }
   if (a) {
-    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:n, suggest:m} = Ka(this, "and", arguments);
-    return Ma.call(this, f, g, k, h, l, n, m);
+    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:n, suggest:m} = Ja(this, "and", arguments);
+    return La.call(this, f, g, k, h, l, n, m);
   }
   return d ? this.resolve(c, b, e) : this;
 };
+function La(a, c, b, e, d, f, g) {
+  if (c.length) {
+    const k = this;
+    return Promise.all(c).then(function(h) {
+      a = [];
+      for (let l = 0, n; l < h.length; l++) {
+        (n = h[l]).length && (a[l] = n);
+      }
+      return La.call(k, a, [], b, e, d, f, g);
+    });
+  }
+  if (a.length) {
+    if (this.result.length && a.unshift(this.result), 2 > a.length) {
+      this.result = a[0];
+    } else {
+      if (c = ca(a)) {
+        return this.result = Fa(a, c, b, e, g, this.h, f), f ? d ? V.call(this.index, this.result) : this.result : this;
+      }
+      this.result = [];
+    }
+  } else {
+    g || (this.result = a);
+  }
+  return f ? this.resolve(b, e, d) : this;
+}
+;W.prototype.xor = function() {
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ja(this, "xor", arguments);
+  return Ma.call(this, a, c, b, e, d, f, g);
+};
 function Ma(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
@@ -1041,43 +1061,14 @@ function Ma(a, c, b, e, d, f, g) {
     if (this.result.length && a.unshift(this.result), 2 > a.length) {
       this.result = a[0];
     } else {
-      if (c = ca(a)) {
-        return this.result = Ga(a, c, b, e, g, this.h, f), f ? d ? V.call(this.index, this.result) : this.result : this;
-      }
-      this.result = [];
+      return this.result = Na.call(this, a, b, e, f, this.h), f ? d ? V.call(this.index, this.result) : this.result : this;
     }
   } else {
     g || (this.result = a);
   }
   return f ? this.resolve(b, e, d) : this;
 }
-;W.prototype.xor = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ka(this, "xor", arguments);
-  return Na.call(this, a, c, b, e, d, f, g);
-};
-function Na(a, c, b, e, d, f, g) {
-  if (c.length) {
-    const k = this;
-    return Promise.all(c).then(function(h) {
-      a = [];
-      for (let l = 0, n; l < h.length; l++) {
-        (n = h[l]).length && (a[l] = n);
-      }
-      return Na.call(k, a, [], b, e, d, f, g);
-    });
-  }
-  if (a.length) {
-    if (this.result.length && a.unshift(this.result), 2 > a.length) {
-      this.result = a[0];
-    } else {
-      return this.result = Oa.call(this, a, b, e, f, this.h), f ? d ? V.call(this.index, this.result) : this.result : this;
-    }
-  } else {
-    g || (this.result = a);
-  }
-  return f ? this.resolve(b, e, d) : this;
-}
-function Oa(a, c, b, e, d) {
+function Na(a, c, b, e, d) {
   const f = [], g = B();
   let k = 0;
   for (let h = 0, l; h < a.length; h++) {
@@ -1123,10 +1114,10 @@ function Oa(a, c, b, e, d) {
   return f;
 }
 ;W.prototype.not = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ka(this, "not", arguments);
-  return Pa.call(this, a, c, b, e, d, f, g);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ja(this, "not", arguments);
+  return Oa.call(this, a, c, b, e, d, f, g);
 };
-function Pa(a, c, b, e, d, f, g) {
+function Oa(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
     return Promise.all(c).then(function(h) {
@@ -1134,17 +1125,17 @@ function Pa(a, c, b, e, d, f, g) {
       for (let l = 0, n; l < h.length; l++) {
         (n = h[l]).length && (a[l] = n);
       }
-      return Pa.call(k, a, [], b, e, d, f, g);
+      return Oa.call(k, a, [], b, e, d, f, g);
     });
   }
   if (a.length && this.result.length) {
-    this.result = Qa.call(this, a, b, e, f);
+    this.result = Pa.call(this, a, b, e, f);
   } else if (f) {
     return this.resolve(b, e, d);
   }
   return f ? d ? V.call(this.index, this.result) : this.result : this;
 }
-function Qa(a, c, b, e) {
+function Pa(a, c, b, e) {
   const d = [];
   a = new Set(a.flat().flat());
   for (let f = 0, g, k = 0; f < this.result.length; f++) {
@@ -1219,7 +1210,7 @@ W.prototype.boost = function(a) {
 W.prototype.resolve = function(a, c, b) {
   const e = this.result, d = this.index;
   this.result = this.index = null;
-  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), Ja.call(d, e, a || 100, c, b)) : e;
+  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), Ia.call(d, e, a || 100, c, b)) : e;
 };
 B();
 U.prototype.search = function(a, c, b, e) {
@@ -1299,7 +1290,7 @@ U.prototype.search = function(a, c, b, e) {
               }
               m.push(p = p.db.tag(v[f + 1], c, u, g));
             } else {
-              p = Ra.call(this, v[f], v[f + 1], c, u, g);
+              p = Qa.call(this, v[f], v[f + 1], c, u, g);
             }
             d.push({field:v[f], tag:v[f + 1], result:p});
           }
@@ -1351,7 +1342,7 @@ U.prototype.search = function(a, c, b, e) {
           }
         }
       } else {
-        for (let G = 0, L, sb; G < l.length; G += 2) {
+        for (let G = 0, L, tb; G < l.length; G += 2) {
           L = this.tag.get(l[G]);
           if (!L) {
             if (console.warn("Tag '" + l[G] + ":" + l[G + 1] + "' will be skipped because there is no field '" + l[G] + "'."), r) {
@@ -1360,7 +1351,7 @@ U.prototype.search = function(a, c, b, e) {
               return m ? d : new W(d);
             }
           }
-          if (sb = (L = L && L.get(l[G + 1])) && L.length) {
+          if (tb = (L = L && L.get(l[G + 1])) && L.length) {
             y++, w.push(L);
           } else if (!r) {
             return m ? d : new W(d);
@@ -1368,7 +1359,7 @@ U.prototype.search = function(a, c, b, e) {
         }
       }
       if (y) {
-        x = Ia(x, w, m);
+        x = Ha(x, w, m);
         H = x.length;
         if (!H && !r) {
           return m ? x : new W(x);
@@ -1422,12 +1413,12 @@ U.prototype.search = function(a, c, b, e) {
       for (let D = 0; D < x.length; D++) {
         d[D].result = x[D];
       }
-      return k ? Sa(d, c) : q ? Ta(d, a, A.index, A.field, A.D, q) : d;
+      return k ? Ra(d, c) : q ? Sa(d, a, A.index, A.field, A.D, q) : d;
     });
   }
-  return k ? Sa(d, c) : q ? Ta(d, a, this.index, this.field, this.D, q) : d;
+  return k ? Ra(d, c) : q ? Sa(d, a, this.index, this.field, this.D, q) : d;
 };
-function Ta(a, c, b, e, d, f) {
+function Sa(a, c, b, e, d, f) {
   let g, k, h;
   for (let n = 0, m, q, p, r; n < a.length; n++) {
     let u = a[n].result;
@@ -1472,7 +1463,7 @@ function Ta(a, c, b, e, d, f) {
   }
   return a;
 }
-function Sa(a, c) {
+function Ra(a, c) {
   const b = [], e = B();
   for (let d = 0, f, g; d < a.length; d++) {
     f = a[d];
@@ -1491,7 +1482,7 @@ function Sa(a, c) {
   }
   return b;
 }
-function Ra(a, c, b, e, d) {
+function Qa(a, c, b, e, d) {
   let f = this.tag.get(a);
   if (!f) {
     return console.warn("Tag '" + a + "' was not found"), [];
@@ -1523,7 +1514,7 @@ function V(a) {
   this.D = [];
   this.field = [];
   this.J = [];
-  this.key = (b = c.key || c.id) && Ua(b, this.J) || "id";
+  this.key = (b = c.key || c.id) && Ta(b, this.J) || "id";
   (e = a.keystore || 0) && (this.keystore = e);
   this.fastupdate = !!a.fastupdate;
   this.reg = !this.fastupdate || a.worker || a.db ? e ? new T(e) : new Set() : e ? new S(e) : new Map();
@@ -1533,7 +1524,7 @@ function V(a) {
   a.cache = !1;
   this.worker = a.worker;
   this.priority = a.priority || 4;
-  this.index = Va.call(this, a, c);
+  this.index = Ua.call(this, a, c);
   this.tag = null;
   if (b = c.tag) {
     if ("string" === typeof b && (b = [b]), b.length) {
@@ -1546,7 +1537,7 @@ function V(a) {
         if (!g) {
           throw Error("The tag field from the document descriptor is undefined.");
         }
-        f.custom ? this.F[d] = f.custom : (this.F[d] = Ua(g, this.J), f.filter && ("string" === typeof this.F[d] && (this.F[d] = new String(this.F[d])), this.F[d].I = f.filter));
+        f.custom ? this.F[d] = f.custom : (this.F[d] = Ta(g, this.J), f.filter && ("string" === typeof this.F[d] && (this.F[d] = new String(this.F[d])), this.F[d].I = f.filter));
         this.R[d] = g;
         this.tag.set(g, new Map());
       }
@@ -1618,7 +1609,7 @@ t.destroy = function() {
   }
   return Promise.all(a);
 };
-function Va(a, c) {
+function Ua(a, c) {
   const b = new Map();
   let e = c.index || c.field || c;
   E(e) && (e = [e]);
@@ -1631,19 +1622,19 @@ function Va(a, c) {
       b.set(f, k);
     }
     this.worker || b.set(f, new N(g, this.reg));
-    g.custom ? this.D[d] = g.custom : (this.D[d] = Ua(f, this.J), g.filter && ("string" === typeof this.D[d] && (this.D[d] = new String(this.D[d])), this.D[d].I = g.filter));
+    g.custom ? this.D[d] = g.custom : (this.D[d] = Ta(f, this.J), g.filter && ("string" === typeof this.D[d] && (this.D[d] = new String(this.D[d])), this.D[d].I = g.filter));
     this.field[d] = f;
   }
   if (this.C) {
     a = c.store;
     E(a) && (a = [a]);
     for (let d = 0, f, g; d < a.length; d++) {
-      f = a[d], g = f.field || f, f.custom ? (this.C[d] = f.custom, f.custom.V = g) : (this.C[d] = Ua(g, this.J), f.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = f.filter));
+      f = a[d], g = f.field || f, f.custom ? (this.C[d] = f.custom, f.custom.V = g) : (this.C[d] = Ta(g, this.J), f.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = f.filter));
     }
   }
   return b;
 }
-function Ua(a, c) {
+function Ta(a, c) {
   const b = a.split(":");
   let e = 0;
   for (let d = 0; d < b.length; d++) {
@@ -1712,7 +1703,7 @@ t.set = function(a, c) {
   this.store.set(a, c);
   return this;
 };
-t.searchCache = Wa;
+t.searchCache = Va;
 t.export = function(a, c, b = 0, e = 0) {
   if (b < this.field.length) {
     const g = this.field[b];
@@ -1728,23 +1719,23 @@ t.export = function(a, c, b = 0, e = 0) {
   switch(e) {
     case 0:
       d = "reg";
-      f = xa(this.reg);
+      f = wa(this.reg);
       c = null;
       break;
     case 1:
       d = "tag";
-      f = this.tag && va(this.tag, this.reg.size);
+      f = this.tag && ua(this.tag, this.reg.size);
       c = null;
       break;
     case 2:
       d = "doc";
-      f = this.store && ta(this.store);
+      f = this.store && sa(this.store);
       c = null;
       break;
     default:
       return;
   }
-  return za.call(this, a, c, d, f, b, e);
+  return ya.call(this, a, c, d, f, b, e);
 };
 t.import = function(a, c) {
   var b = a.split(".");
@@ -1762,7 +1753,7 @@ t.import = function(a, c) {
     switch(b) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ya(c, this.reg);
+        this.reg = xa(c, this.reg);
         for (let d = 0, f; d < this.field.length; d++) {
           f = this.index.get(this.field[d]), f.fastupdate = !1, f.reg = this.reg;
         }
@@ -1775,15 +1766,15 @@ t.import = function(a, c) {
         }
         break;
       case "tag":
-        this.tag = wa(c, this.tag);
+        this.tag = va(c, this.tag);
         break;
       case "doc":
-        this.store = ua(c, this.store);
+        this.store = ta(c, this.store);
     }
   }
 };
-ma(U.prototype);
-function Wa(a, c, b) {
+la(U.prototype);
+function Va(a, c, b) {
   a = ("object" === typeof a ? "" + a.query : a).toLowerCase();
   this.cache || (this.cache = new X());
   let e = this.cache.get(a);
@@ -1824,31 +1815,22 @@ X.prototype.clear = function() {
   this.cache.clear();
   this.h = "";
 };
-const Xa = {normalize:function(a) {
-  return a.toLowerCase();
-}};
-const Ya = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
-const Za = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), $a = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
-const ab = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
-const bb = /[\x00-\x7F]+/g;
-const cb = /[\x00-\x7F]+/g;
-const db = /[\x00-\x7F]+/g;
-var eb = {LatinExact:{split:/\s+/, normalize:!1}, LatinDefault:Xa, LatinSimple:{normalize:!0, dedupe:!0}, LatinBalance:{normalize:!0, dedupe:!0, mapper:Ya}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Ya, matcher:Za, replacer:$a}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Ya, replacer:$a.concat([/(?!^)[aeo]/g, ""]), matcher:Za}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
+const Wa = {normalize:!1, numeric:!1, split:/\s+/};
+const Xa = {normalize:!0};
+const Ya = {normalize:!0, dedupe:!0};
+const Za = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
+const $a = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), ab = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
+const bb = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
+var cb = {X:Wa, W:Xa, Y:Ya, LatinBalance:{normalize:!0, dedupe:!0, mapper:Za}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Za, matcher:$a, replacer:ab}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Za, replacer:ab.concat([/(?!^)[aeo]/g, ""]), matcher:$a}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
   for (let b = 0; b < a.length; b++) {
     var c = a[b];
-    let e = c.charAt(0), d = ab[e];
-    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = ab[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
+    let e = c.charAt(0), d = bb[e];
+    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = bb[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
     }
     a[b] = e;
   }
-}}, ArabicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(bb, " ");
-}}, CjkDefault:{normalize:!1, dedupe:!0, split:"", prepare:function(a) {
-  return ("" + a).replace(cb, "");
-}}, CyrillicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(db, " ");
-}}};
-const fb = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
+}}, LatinExact:Wa, LatinDefault:Xa, LatinSimple:Ya};
+const db = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
 N.prototype.add = function(a, c, b, e) {
   if (c && (a || 0 === a)) {
     if (!e && !b && this.reg.has(a)) {
@@ -1861,7 +1843,7 @@ N.prototype.add = function(a, c, b, e) {
         let r = c[this.rtl ? e - 1 - p : p];
         var d = r.length;
         if (d && (m || !n[r])) {
-          var f = this.score ? this.score(c, r, p, null, 0) : gb(q, e, p), g = "";
+          var f = this.score ? this.score(c, r, p, null, 0) : eb(q, e, p), g = "";
           switch(this.tokenize) {
             case "full":
               if (2 < d) {
@@ -1869,35 +1851,36 @@ N.prototype.add = function(a, c, b, e) {
                   for (f = d; f > u; f--) {
                     g = r.substring(u, f);
                     v = this.rtl ? d - 1 - u : u;
-                    var k = this.score ? this.score(c, r, p, g, v) : gb(q, e, p, d, v);
-                    hb(this, n, g, k, a, b);
+                    var k = this.score ? this.score(c, r, p, g, v) : eb(q, e, p, d, v);
+                    fb(this, n, g, k, a, b);
                   }
                 }
                 break;
               }
+            case "bidirectional":
             case "reverse":
               if (1 < d) {
                 for (k = d - 1; 0 < k; k--) {
                   g = r[this.rtl ? d - 1 - k : k] + g;
-                  var h = this.score ? this.score(c, r, p, g, k) : gb(q, e, p, d, k);
-                  hb(this, n, g, h, a, b);
+                  var h = this.score ? this.score(c, r, p, g, k) : eb(q, e, p, d, k);
+                  fb(this, n, g, h, a, b);
                 }
                 g = "";
               }
             case "forward":
               if (1 < d) {
                 for (k = 0; k < d; k++) {
-                  g += r[this.rtl ? d - 1 - k : k], hb(this, n, g, f, a, b);
+                  g += r[this.rtl ? d - 1 - k : k], fb(this, n, g, f, a, b);
                 }
                 break;
               }
             default:
-              if (hb(this, n, r, f, a, b), m && 1 < e && p < e - 1) {
+              if (fb(this, n, r, f, a, b), m && 1 < e && p < e - 1) {
                 for (d = B(), g = this.U, f = r, k = Math.min(m + 1, this.rtl ? p + 1 : e - p), d[f] = 1, h = 1; h < k; h++) {
                   if ((r = c[this.rtl ? e - 1 - p - h : p + h]) && !d[r]) {
                     d[r] = 1;
-                    const u = this.score ? this.score(c, f, p, r, h - 1) : gb(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), v = this.bidirectional && r > f;
-                    hb(this, l, v ? f : r, u, a, b, v ? r : f);
+                    const u = this.score ? this.score(c, f, p, r, h - 1) : eb(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), v = this.bidirectional && r > f;
+                    fb(this, l, v ? f : r, u, a, b, v ? r : f);
                   }
                 }
               }
@@ -1909,10 +1892,10 @@ N.prototype.add = function(a, c, b, e) {
       c = "";
     }
   }
-  this.db && (c || this.commit_task.push({del:a}), this.T && ib(this));
+  this.db && (c || this.commit_task.push({del:a}), this.T && gb(this));
   return this;
 };
-function hb(a, c, b, e, d, f, g) {
+function fb(a, c, b, e, d, f, g) {
   let k = g ? a.ctx : a.map, h;
   if (!c[b] || g && !(h = c[b])[g]) {
     if (g ? (c = h || (c[b] = B()), c[g] = 1, (h = k.get(g)) ? k = h : k.set(g, k = new Map())) : c[b] = 1, (h = k.get(b)) ? k = h : k.set(b, k = h = []), k = k[e] || (k[e] = []), !f || !k.includes(d)) {
@@ -1930,7 +1913,7 @@ function hb(a, c, b, e, d, f, g) {
     }
   }
 }
-function gb(a, c, b, e, d) {
+function eb(a, c, b, e, d) {
   return b && 1 < a ? c + (e || 0) <= a ? b + (d || 0) : (a - 1) / (c + (e || 0)) * (b + (d || 0)) + 1 | 0 : 0;
 }
 ;N.prototype.search = function(a, c, b) {
@@ -1941,11 +1924,11 @@ function gb(a, c, b, e, d) {
   d = p.length;
   c = c || (h ? 100 : 0);
   if (1 === d) {
-    return jb.call(this, p[0], "", c, k, h, q, l);
+    return hb.call(this, p[0], "", c, k, h, q, l);
   }
   f = this.depth && !1 !== f;
   if (2 === d && f && !g) {
-    return jb.call(this, p[0], p[1], c, k, h, q, l);
+    return hb.call(this, p[0], p[1], c, k, h, q, l);
   }
   let r = B(), u = 0, v;
   1 < d && f && (v = p[0], u = 1);
@@ -1959,8 +1942,8 @@ function gb(a, c, b, e, d) {
       for (let y, F; u < d; u++) {
         if ((F = p[u]) && !r[F]) {
           r[F] = 1;
-          y = await kb(w, F, v, 0, 0, !1, !1);
-          if (y = lb(y, e, g, m)) {
+          y = await ib(w, F, v, 0, 0, !1, !1);
+          if (y = jb(y, e, g, m)) {
             e = y;
             break;
           }
@@ -1968,14 +1951,14 @@ function gb(a, c, b, e, d) {
         }
         g && v && u === d - 1 && !e.length && (m = w.resolution, v = "", u = -1, r = B());
       }
-      return mb(e, m, c, k, g, n, h);
+      return kb(e, m, c, k, g, n, h);
     }();
   }
   for (let w, y; u < d; u++) {
     if ((y = p[u]) && !r[y]) {
       r[y] = 1;
-      w = kb(this, y, v, 0, 0, !1, !1);
-      if (w = lb(w, e, g, m)) {
+      w = ib(this, y, v, 0, 0, !1, !1);
+      if (w = jb(w, e, g, m)) {
         e = w;
         break;
       }
@@ -1983,24 +1966,24 @@ function gb(a, c, b, e, d) {
     }
     g && v && u === d - 1 && !e.length && (m = this.resolution, v = "", u = -1, r = B());
   }
-  return mb(e, m, c, k, g, n, h);
+  return kb(e, m, c, k, g, n, h);
 };
-function mb(a, c, b, e, d, f, g) {
+function kb(a, c, b, e, d, f, g) {
   let k = a.length, h = a;
   if (1 < k) {
-    h = Ga(a, c, b, e, d, f, g);
+    h = Fa(a, c, b, e, d, f, g);
   } else if (1 === k) {
-    return g ? Ja.call(null, a[0], b, e) : new W(a[0]);
+    return g ? Ia.call(null, a[0], b, e) : new W(a[0]);
   }
   return g ? h : new W(h);
 }
-function jb(a, c, b, e, d, f, g) {
-  a = kb(this, a, c, b, e, d, f, g);
+function hb(a, c, b, e, d, f, g) {
+  a = ib(this, a, c, b, e, d, f, g);
   return this.db ? a.then(function(k) {
     return d ? k || [] : new W(k);
-  }) : a && a.length ? d ? Ja.call(this, a, b, e) : new W(a) : d ? [] : new W();
+  }) : a && a.length ? d ? Ia.call(this, a, b, e) : new W(a) : d ? [] : new W();
 }
-function lb(a, c, b, e) {
+function jb(a, c, b, e) {
   let d = [];
   if (a && a.length) {
     if (a.length <= e) {
@@ -2021,7 +2004,7 @@ function lb(a, c, b, e) {
     return d;
   }
 }
-function kb(a, c, b, e, d, f, g, k) {
+function ib(a, c, b, e, d, f, g, k) {
   let h;
   b && (h = a.bidirectional && c > b) && (h = b, b = c, c = h);
   if (a.db) {
@@ -2045,15 +2028,15 @@ function kb(a, c, b, e, d, f, g, k) {
         }
       }
     } else {
-      nb(this.map, a), this.depth && nb(this.ctx, a);
+      lb(this.map, a), this.depth && lb(this.ctx, a);
     }
     c || this.reg.delete(a);
   }
-  this.db && (this.commit_task.push({del:a}), this.T && ib(this));
+  this.db && (this.commit_task.push({del:a}), this.T && gb(this));
   this.cache && this.cache.remove(a);
   return this;
 };
-function nb(a, c) {
+function lb(a, c) {
   let b = 0;
   if (a.constructor === Array) {
     for (let e = 0, d, f; e < a.length; e++) {
@@ -2068,7 +2051,7 @@ function nb(a, c) {
     }
   } else {
     for (let e of a.entries()) {
-      const d = e[0], f = nb(e[1], c);
+      const d = e[0], f = lb(e[1], c);
       f ? b += f : a.delete(d);
     }
   }
@@ -2080,15 +2063,15 @@ function nb(a, c) {
   }
   if (a) {
     var b = E(a) ? a : a.preset;
-    b && (fb[b] || console.warn("Preset not found: " + b), a = Object.assign({}, fb[b], a));
+    b && (db[b] || console.warn("Preset not found: " + b), a = Object.assign({}, db[b], a));
   } else {
     a = {};
   }
   b = a.context;
-  const e = !0 === b ? {depth:1} : b || {}, d = E(a.encoder) ? eb[a.encoder] : a.encode || a.encoder || Xa;
-  this.encoder = d.encode ? d : "object" === typeof d ? new ka(d) : {encode:d};
+  const e = !0 === b ? {depth:1} : b || {}, d = E(a.encoder) ? cb[a.encoder] : a.encode || a.encoder || Xa;
+  this.encoder = d.encode ? d : "object" === typeof d ? new ja(d) : {encode:d};
   this.resolution = a.resolution || 9;
-  this.tokenize = b = (b = a.tokenize) && "default" !== b && b || "strict";
+  this.tokenize = b = (b = a.tokenize) && "default" !== b && "exact" !== b && b || "strict";
   this.depth = "strict" === b && e.depth || 0;
   this.bidirectional = !1 !== e.bidirectional;
   this.fastupdate = !!a.fastupdate;
@@ -2123,7 +2106,7 @@ t.destroy = function() {
   this.commit_timer && (clearTimeout(this.commit_timer), this.commit_timer = null);
   return this.db.destroy();
 };
-function ib(a) {
+function gb(a) {
   a.commit_timer || (a.commit_timer = setTimeout(function() {
     a.commit_timer = null;
     a.db.commit(a, void 0, void 0);
@@ -2147,7 +2130,7 @@ t.update = function(a, c) {
   const b = this, e = this.remove(a);
   return e && e.then ? e.then(() => b.add(a, c)) : this.add(a, c);
 };
-function ob(a) {
+function mb(a) {
   let c = 0;
   if (a.constructor === Array) {
     for (let b = 0, e; b < a.length; b++) {
@@ -2155,7 +2138,7 @@ function ob(a) {
     }
   } else {
     for (const b of a.entries()) {
-      const e = b[0], d = ob(b[1]);
+      const e = b[0], d = mb(b[1]);
       d ? c += d : a.delete(e);
     }
   }
@@ -2165,17 +2148,17 @@ t.cleanup = function() {
   if (!this.fastupdate) {
     return console.info('Cleanup the index isn\'t required when not using "fastupdate".'), this;
   }
-  ob(this.map);
-  this.depth && ob(this.ctx);
+  mb(this.map);
+  this.depth && mb(this.ctx);
   return this;
 };
-t.searchCache = Wa;
+t.searchCache = Va;
 t.export = function(a, c, b = 0, e = 0) {
   let d, f;
   switch(e) {
     case 0:
       d = "reg";
-      f = xa(this.reg);
+      f = wa(this.reg);
       break;
     case 1:
       d = "cfg";
@@ -2183,29 +2166,29 @@ t.export = function(a, c, b = 0, e = 0) {
       break;
     case 2:
       d = "map";
-      f = ta(this.map, this.reg.size);
+      f = sa(this.map, this.reg.size);
       break;
     case 3:
       d = "ctx";
-      f = va(this.ctx, this.reg.size);
+      f = ua(this.ctx, this.reg.size);
       break;
     default:
       return;
   }
-  return za.call(this, a, c, d, f, b, e);
+  return ya.call(this, a, c, d, f, b, e);
 };
 t.import = function(a, c) {
   if (c) {
     switch("string" === typeof c && (c = JSON.parse(c)), a = a.split("."), "json" === a[a.length - 1] && a.pop(), 3 === a.length && a.shift(), a = 1 < a.length ? a[1] : a[0], a) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ya(c, this.reg);
+        this.reg = xa(c, this.reg);
         break;
       case "map":
-        this.map = ua(c, this.map);
+        this.map = ta(c, this.map);
         break;
       case "ctx":
-        this.ctx = wa(c, this.ctx);
+        this.ctx = va(c, this.ctx);
     }
   }
 };
@@ -2217,11 +2200,11 @@ t.serialize = function(a = !0) {
       f || (f = typeof d), c += (c ? "," : "") + ("string" === f ? '"' + d + '"' : d);
     }
     c = "index.reg=new Set([" + c + "]);";
-    b = Aa(this.map, f);
+    b = za(this.map, f);
     b = "index.map=new Map([" + b + "]);";
     for (const g of this.ctx.entries()) {
       d = g[0];
-      let k = Aa(g[1], f);
+      let k = za(g[1], f);
       k = "new Map([" + k + "])";
       k = '["' + d + '",' + k + "]";
       e += (e ? "," : "") + k;
@@ -2230,11 +2213,11 @@ t.serialize = function(a = !0) {
   }
   return a ? "function inject(index){" + c + b + e + "}" : c + b + e;
 };
-ma(N.prototype);
-const pb = "undefined" !== typeof window && (window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB), qb = ["map", "ctx", "tag", "reg", "cfg"], Y = B();
-function rb(a, c = {}) {
+la(N.prototype);
+const nb = "undefined" !== typeof window && (window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB), ob = ["map", "ctx", "tag", "reg", "cfg"], Y = B();
+function pb(a, c = {}) {
   if (!this) {
-    return new rb(a, c);
+    return new pb(a, c);
   }
   "object" === typeof a && (c = a, a = a.name);
   a || console.info("Default storage space was used, because a name was not passed.");
@@ -2245,7 +2228,7 @@ function rb(a, c = {}) {
   this.db = null;
   this.h = {};
 }
-t = rb.prototype;
+t = pb.prototype;
 t.mount = function(a) {
   if (!a.encoder) {
     return a.mount(this);
@@ -2261,11 +2244,11 @@ t.open = function() {
   navigator.storage && navigator.storage.persist();
   Y[a.id] || (Y[a.id] = []);
   Y[a.id].push(a.field);
-  const c = pb.open(a.id, 1);
+  const c = nb.open(a.id, 1);
   c.onupgradeneeded = function() {
     const b = a.db = this.result;
-    for (let e = 0, d; e < qb.length; e++) {
-      d = qb[e];
+    for (let e = 0, d; e < ob.length; e++) {
+      d = ob[e];
       for (let f = 0, g; f < Y[a.id].length; f++) {
         g = Y[a.id][f], b.objectStoreNames.contains(d + ("reg" !== d ? g ? ":" + g : "" : "")) || b.createObjectStore(d + ("reg" !== d ? g ? ":" + g : "" : ""));
       }
@@ -2283,13 +2266,13 @@ t.close = function() {
   this.db = null;
 };
 t.destroy = function() {
-  const a = pb.deleteDatabase(this.id);
+  const a = nb.deleteDatabase(this.id);
   return Z(a);
 };
 t.clear = function() {
   const a = [];
-  for (let b = 0, e; b < qb.length; b++) {
-    e = qb[b];
+  for (let b = 0, e; b < ob.length; b++) {
+    e = ob[b];
     for (let d = 0, f; d < Y[this.id].length; d++) {
       f = Y[this.id][d], a.push(e + ("reg" !== e ? f ? ":" + f : "" : ""));
     }
@@ -2476,7 +2459,7 @@ t.commit = async function(a, c, b) {
     }
   }), a.map.clear(), a.ctx.clear(), a.tag && a.tag.clear(), a.store && a.store.clear(), a.document || a.reg.clear());
 };
-function tb(a, c, b) {
+function qb(a, c, b) {
   const e = a.value;
   let d, f = 0;
   for (let g = 0, k; g < e.length; g++) {
@@ -2505,17 +2488,17 @@ t.remove = function(a) {
   return Promise.all([this.transaction("map", "readwrite", function(c) {
     c.openCursor().onsuccess = function() {
       const b = this.result;
-      b && tb(b, a);
+      b && qb(b, a);
     };
   }), this.transaction("ctx", "readwrite", function(c) {
     c.openCursor().onsuccess = function() {
       const b = this.result;
-      b && tb(b, a);
+      b && qb(b, a);
     };
   }), this.transaction("tag", "readwrite", function(c) {
     c.openCursor().onsuccess = function() {
       const b = this.result;
-      b && tb(b, a, !0);
+      b && qb(b, a, !0);
     };
   }), this.transaction("reg", "readwrite", function(c) {
     for (let b = 0; b < a.length; b++) {
@@ -2534,9 +2517,9 @@ function Z(a, c) {
     a = null;
   });
 }
-;const ub = {Index:N, Charset:eb, Encoder:ka, Document:U, Worker:P, Resolver:W, IndexedDB:rb, Language:{}}, vb = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self;
-let wb;
-(wb = vb.define) && wb.amd ? wb([], function() {
-  return ub;
-}) : "object" === typeof vb.exports ? vb.exports = ub : vb.FlexSearch = ub;
+;const rb = {Index:N, Charset:cb, Encoder:ja, Document:U, Worker:P, Resolver:W, IndexedDB:pb, Language:{}}, sb = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self;
+let ub;
+(ub = sb.define) && ub.amd ? ub([], function() {
+  return rb;
+}) : "object" === typeof sb.exports ? sb.exports = rb : sb.FlexSearch = rb;
 }(this||self));
diff --git a/dist/flexsearch.bundle.min.js b/dist/flexsearch.bundle.min.js
index 82ab6d1..c2f500d 100644
--- a/dist/flexsearch.bundle.min.js
+++ b/dist/flexsearch.bundle.min.js
@@ -1,95 +1,89 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle)
+ * FlexSearch.js v0.8.143 (Bundle)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
  * https://github.com/nextapps-de/flexsearch
  */
 (function _f(self){'use strict';if(typeof module!=='undefined')self=module;else if(typeof process !== 'undefined')self=process;self._factory=_f;var t;function z(a,c,b){const e=typeof b,d=typeof a;if("undefined"!==e){if("undefined"!==d){if(b){if("function"===d&&e===d)return function(h){return a(b(h))};c=a.constructor;if(c===b.constructor){if(c===Array)return b.concat(a);if(c===Map){var f=new Map(b);for(var g of a)f.set(g[0],g[1]);return f}if(c===Set){g=new Set(b);for(f of a.values())g.add(f);return g}}}return a}return b}return"undefined"===d?c:a}function B(){return Object.create(null)}function E(a){return"string"===typeof a}
-function I(a){return"object"===typeof a}function aa(a){const c=[];for(const b of a.keys())c.push(b);return c}function ba(a,c){if(E(c))a=a[c];else for(let b=0;a&&b<c.length;b++)a=a[c[b]];return a}function ca(a){let c=0;for(let b=0,e;b<a.length;b++)(e=a[b])&&c<e.length&&(c=e.length);return c};var da=[["\u00aa","a"],["\u00b2","2"],["\u00b3","3"],["\u00b9","1"],["\u00ba","o"],["\u00bc","1\u20444"],["\u00bd","1\u20442"],["\u00be","3\u20444"],["\u00e0","a"],["\u00e1","a"],["\u00e2","a"],["\u00e3","a"],["\u00e4","a"],["\u00e5","a"],["\u00e7","c"],["\u00e8","e"],["\u00e9","e"],["\u00ea","e"],["\u00eb","e"],["\u00ec","i"],["\u00ed","i"],["\u00ee","i"],["\u00ef","i"],["\u00f1","n"],["\u00f2","o"],["\u00f3","o"],["\u00f4","o"],["\u00f5","o"],["\u00f6","o"],["\u00f9","u"],["\u00fa","u"],["\u00fb",
-"u"],["\u00fc","u"],["\u00fd","y"],["\u00ff","y"],["\u0101","a"],["\u0103","a"],["\u0105","a"],["\u0107","c"],["\u0109","c"],["\u010b","c"],["\u010d","c"],["\u010f","d"],["\u0113","e"],["\u0115","e"],["\u0117","e"],["\u0119","e"],["\u011b","e"],["\u011d","g"],["\u011f","g"],["\u0121","g"],["\u0123","g"],["\u0125","h"],["\u0129","i"],["\u012b","i"],["\u012d","i"],["\u012f","i"],["\u0133","ij"],["\u0135","j"],["\u0137","k"],["\u013a","l"],["\u013c","l"],["\u013e","l"],["\u0140","l"],["\u0144","n"],
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+function lb(a,c){let b=0;if(a.constructor===Array)for(let e=0,d,f;e<a.length;e++){if((d=a[e])&&d.length)if(f=d.indexOf(c),0<=f){1<d.length?(d.splice(f,1),b++):delete a[e];break}else b++}else for(let e of a.entries()){const d=e[0],f=lb(e[1],c);f?b+=f:a.delete(d)}return b};function N(a,c){if(!this||this.constructor!==N)return new N(a);if(a){var b=E(a)?a:a.preset;b&&(a=Object.assign({},db[b],a))}else a={};b=a.context;const e=!0===b?{depth:1}:b||{},d=E(a.encoder)?cb[a.encoder]:a.encode||a.encoder||Xa;this.encoder=d.encode?d:"object"===typeof d?new J(d):{encode:d};this.resolution=a.resolution||9;this.tokenize=b=(b=a.tokenize)&&"default"!==b&&"exact"!==b&&b||"strict";this.depth="strict"===b&&e.depth||0;this.bidirectional=!1!==e.bidirectional;this.fastupdate=!!a.fastupdate;
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+t.mount=function(a){this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null);return a.mount(this)};t.commit=function(a,c){this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null);return this.db.commit(this,a,c)};t.destroy=function(){this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null);return this.db.destroy()};function gb(a){a.commit_timer||(a.commit_timer=setTimeout(function(){a.commit_timer=null;a.db.commit(a,void 0,void 0)},1))}
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+t.serialize=function(a=!0){let c="",b="",e="";if(this.reg.size){let f;for(var d of this.reg.keys())f||(f=typeof d),c+=(c?",":"")+("string"===f?'"'+d+'"':d);c="index.reg=new Set(["+c+"]);";b=za(this.map,f);b="index.map=new Map(["+b+"]);";for(const g of this.ctx.entries()){d=g[0];let h=za(g[1],f);h="new Map(["+h+"])";h='["'+d+'",'+h+"]";e+=(e?",":"")+h}e="index.ctx=new Map(["+e+"]);"}return a?"function inject(index){"+c+b+e+"}":c+b+e};la(N.prototype);const nb="undefined"!==typeof window&&(window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB),ob=["map","ctx","tag","reg","cfg"],Y=B();
+function pb(a,c={}){if(!this)return new pb(a,c);"object"===typeof a&&(c=a,a=a.name);a||console.info("Default storage space was used, because a name was not passed.");this.id="flexsearch"+(a?":"+a.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"");this.field=c.field?c.field.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"";this.type=c.type;this.fastupdate=this.support_tag_search=!1;this.db=null;this.h={}}t=pb.prototype;t.mount=function(a){if(!a.encoder)return a.mount(this);a.db=this;return this.open()};
+t.open=function(){if(this.db)return this.db;let a=this;navigator.storage&&navigator.storage.persist();Y[a.id]||(Y[a.id]=[]);Y[a.id].push(a.field);const c=nb.open(a.id,1);c.onupgradeneeded=function(){const b=a.db=this.result;for(let e=0,d;e<ob.length;e++){d=ob[e];for(let f=0,g;f<Y[a.id].length;f++)g=Y[a.id][f],b.objectStoreNames.contains(d+("reg"!==d?g?":"+g:"":""))||b.createObjectStore(d+("reg"!==d?g?":"+g:"":""))}};return a.db=Z(c,function(b){a.db=b;a.db.onversionchange=function(){a.close()}})};
+t.close=function(){this.db&&this.db.close();this.db=null};t.destroy=function(){const a=nb.deleteDatabase(this.id);return Z(a)};t.clear=function(){const a=[];for(let b=0,e;b<ob.length;b++){e=ob[b];for(let d=0,f;d<Y[this.id].length;d++)f=Y[this.id][d],a.push(e+("reg"!==e?f?":"+f:"":""))}const c=this.db.transaction(a,"readwrite");for(let b=0;b<a.length;b++)c.objectStore(a[b]).clear();return Z(c)};
 t.get=function(a,c,b=0,e=0,d=!0,f=!1){a=this.db.transaction((c?"ctx":"map")+(this.field?":"+this.field:""),"readonly").objectStore((c?"ctx":"map")+(this.field?":"+this.field:"")).get(c?c+":"+a:a);const g=this;return Z(a).then(function(h){let k=[];if(!h||!h.length)return k;if(d){if(!b&&!e&&1===h.length)return h[0];for(let l=0,n;l<h.length;l++)if((n=h[l])&&n.length){if(e>=n.length){e-=n.length;continue}const m=b?e+Math.min(n.length-e,b):n.length;for(let q=e;q<m;q++)k.push(n[q]);e=0;if(k.length===b)break}return f?
 g.enrich(k):k}return h})};t.tag=function(a,c=0,b=0,e=!1){a=this.db.transaction("tag"+(this.field?":"+this.field:""),"readonly").objectStore("tag"+(this.field?":"+this.field:"")).get(a);const d=this;return Z(a).then(function(f){if(!f||!f.length||b>=f.length)return[];if(!c&&!b)return f;f=f.slice(b,b+c);return e?d.enrich(f):f})};
 t.enrich=function(a){"object"!==typeof a&&(a=[a]);const c=this.db.transaction("reg","readonly").objectStore("reg"),b=[];for(let e=0;e<a.length;e++)b[e]=Z(c.get(a[e]));return Promise.all(b).then(function(e){for(let d=0;d<e.length;d++)e[d]={id:a[d],doc:e[d]?JSON.parse(e[d]):null};return e})};t.has=function(a){a=this.db.transaction("reg","readonly").objectStore("reg").getKey(a);return Z(a).then(function(c){return!!c})};t.search=null;t.info=function(){};
@@ -97,6 +91,6 @@ t.transaction=function(a,c,b){a+="reg"!==a?this.field?":"+this.field:"":"";let e
 t.commit=async function(a,c,b){if(c)await this.clear(),a.commit_task=[];else{let e=a.commit_task;a.commit_task=[];for(let d=0,f;d<e.length;d++)if(f=e[d],f.clear){await this.clear();c=!0;break}else e[d]=f.del;c||(b||(e=e.concat(aa(a.reg))),e.length&&await this.remove(e))}a.reg.size&&(await this.transaction("map","readwrite",function(e){for(const d of a.map){const f=d[0],g=d[1];g.length&&(c?e.put(g,f):e.get(f).onsuccess=function(){let h=this.result;var k;if(h&&h.length){const l=Math.max(h.length,g.length);
 for(let n=0,m,q;n<l;n++)if((q=g[n])&&q.length){if((m=h[n])&&m.length)for(k=0;k<q.length;k++)m.push(q[k]);else h[n]=q;k=1}}else h=g,k=1;k&&e.put(h,f)})}}),await this.transaction("ctx","readwrite",function(e){for(const d of a.ctx){const f=d[0],g=d[1];for(const h of g){const k=h[0],l=h[1];l.length&&(c?e.put(l,f+":"+k):e.get(f+":"+k).onsuccess=function(){let n=this.result;var m;if(n&&n.length){const q=Math.max(n.length,l.length);for(let p=0,r,u;p<q;p++)if((u=l[p])&&u.length){if((r=n[p])&&r.length)for(m=
 0;m<u.length;m++)r.push(u[m]);else n[p]=u;m=1}}else n=l,m=1;m&&e.put(n,f+":"+k)})}}}),a.store?await this.transaction("reg","readwrite",function(e){for(const d of a.store){const f=d[0],g=d[1];e.put("object"===typeof g?JSON.stringify(g):1,f)}}):a.bypass||await this.transaction("reg","readwrite",function(e){for(const d of a.reg.keys())e.put(1,d)}),a.tag&&await this.transaction("tag","readwrite",function(e){for(const d of a.tag){const f=d[0],g=d[1];g.length&&(e.get(f).onsuccess=function(){let h=this.result;
-h=h&&h.length?h.concat(g):g;e.put(h,f)})}}),a.map.clear(),a.ctx.clear(),a.tag&&a.tag.clear(),a.store&&a.store.clear(),a.document||a.reg.clear())};function tb(a,c,b){const e=a.value;let d,f=0;for(let g=0,h;g<e.length;g++){if(h=b?e:e[g]){for(let k=0,l,n;k<c.length;k++)if(n=c[k],l=h.indexOf(n),0<=l)if(d=1,1<h.length)h.splice(l,1);else{e[g]=[];break}f+=h.length}if(b)break}f?d&&a.update(e):a.delete();a.continue()}
-t.remove=function(a){"object"!==typeof a&&(a=[a]);return Promise.all([this.transaction("map","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&tb(b,a)}}),this.transaction("ctx","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&tb(b,a)}}),this.transaction("tag","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&tb(b,a,!0)}}),this.transaction("reg","readwrite",function(c){for(let b=0;b<a.length;b++)c.delete(a[b])})])};
-function Z(a,c){return new Promise((b,e)=>{a.onsuccess=a.oncomplete=function(){c&&c(this.result);c=null;b(this.result)};a.onerror=a.onblocked=e;a=null})};const ub={Index:N,Charset:eb,Encoder:J,Document:U,Worker:P,Resolver:W,IndexedDB:sb,Language:{}},vb="undefined"!==typeof self?self:"undefined"!==typeof global?global:self;let wb;(wb=vb.define)&&wb.amd?wb([],function(){return ub}):"object"===typeof vb.exports?vb.exports=ub:vb.FlexSearch=ub;}(this||self));
+h=h&&h.length?h.concat(g):g;e.put(h,f)})}}),a.map.clear(),a.ctx.clear(),a.tag&&a.tag.clear(),a.store&&a.store.clear(),a.document||a.reg.clear())};function qb(a,c,b){const e=a.value;let d,f=0;for(let g=0,h;g<e.length;g++){if(h=b?e:e[g]){for(let k=0,l,n;k<c.length;k++)if(n=c[k],l=h.indexOf(n),0<=l)if(d=1,1<h.length)h.splice(l,1);else{e[g]=[];break}f+=h.length}if(b)break}f?d&&a.update(e):a.delete();a.continue()}
+t.remove=function(a){"object"!==typeof a&&(a=[a]);return Promise.all([this.transaction("map","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&qb(b,a)}}),this.transaction("ctx","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&qb(b,a)}}),this.transaction("tag","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&qb(b,a,!0)}}),this.transaction("reg","readwrite",function(c){for(let b=0;b<a.length;b++)c.delete(a[b])})])};
+function Z(a,c){return new Promise((b,e)=>{a.onsuccess=a.oncomplete=function(){c&&c(this.result);c=null;b(this.result)};a.onerror=a.onblocked=e;a=null})};const rb={Index:N,Charset:cb,Encoder:J,Document:U,Worker:P,Resolver:W,IndexedDB:pb,Language:{}},tb="undefined"!==typeof self?self:"undefined"!==typeof global?global:self;let ub;(ub=tb.define)&&ub.amd?ub([],function(){return rb}):"object"===typeof tb.exports?tb.exports=rb:tb.FlexSearch=rb;}(this||self));
diff --git a/dist/flexsearch.bundle.module.debug.js b/dist/flexsearch.bundle.module.debug.js
index 763e6be..6aa96e8 100644
--- a/dist/flexsearch.bundle.module.debug.js
+++ b/dist/flexsearch.bundle.module.debug.js
@@ -1,5 +1,5 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle/Module/Debug)
+ * FlexSearch.js v0.8.143 (Bundle/Module/Debug)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
@@ -76,18 +76,10 @@ function ca(a) {
   }
   return c;
 }
-;var da = [["\u00aa", "a"], ["\u00b2", "2"], ["\u00b3", "3"], ["\u00b9", "1"], ["\u00ba", "o"], ["\u00bc", "1\u20444"], ["\u00bd", "1\u20442"], ["\u00be", "3\u20444"], ["\u00e0", "a"], ["\u00e1", "a"], ["\u00e2", "a"], ["\u00e3", "a"], ["\u00e4", "a"], ["\u00e5", "a"], ["\u00e7", "c"], ["\u00e8", "e"], ["\u00e9", "e"], ["\u00ea", "e"], ["\u00eb", "e"], ["\u00ec", "i"], ["\u00ed", "i"], ["\u00ee", "i"], ["\u00ef", "i"], ["\u00f1", "n"], ["\u00f2", "o"], ["\u00f3", "o"], ["\u00f4", "o"], ["\u00f5", 
-"o"], ["\u00f6", "o"], ["\u00f9", "u"], ["\u00fa", "u"], ["\u00fb", "u"], ["\u00fc", "u"], ["\u00fd", "y"], ["\u00ff", "y"], ["\u0101", "a"], ["\u0103", "a"], ["\u0105", "a"], ["\u0107", "c"], ["\u0109", "c"], ["\u010b", "c"], ["\u010d", "c"], ["\u010f", "d"], ["\u0113", "e"], ["\u0115", "e"], ["\u0117", "e"], ["\u0119", "e"], ["\u011b", "e"], ["\u011d", "g"], ["\u011f", "g"], ["\u0121", "g"], ["\u0123", "g"], ["\u0125", "h"], ["\u0129", "i"], ["\u012b", "i"], ["\u012d", "i"], ["\u012f", "i"], ["\u0133", 
-"ij"], ["\u0135", "j"], ["\u0137", "k"], ["\u013a", "l"], ["\u013c", "l"], ["\u013e", "l"], ["\u0140", "l"], ["\u0144", "n"], ["\u0146", "n"], ["\u0148", "n"], ["\u0149", "n"], ["\u014d", "o"], ["\u014f", "o"], ["\u0151", "o"], ["\u0155", "r"], ["\u0157", "r"], ["\u0159", "r"], ["\u015b", "s"], ["\u015d", "s"], ["\u015f", "s"], ["\u0161", "s"], ["\u0163", "t"], ["\u0165", "t"], ["\u0169", "u"], ["\u016b", "u"], ["\u016d", "u"], ["\u016f", "u"], ["\u0171", "u"], ["\u0173", "u"], ["\u0175", "w"], ["\u0177", 
-"y"], ["\u017a", "z"], ["\u017c", "z"], ["\u017e", "z"], ["\u017f", "s"], ["\u01a1", "o"], ["\u01b0", "u"], ["\u01c6", "dz"], ["\u01c9", "lj"], ["\u01cc", "nj"], ["\u01ce", "a"], ["\u01d0", "i"], ["\u01d2", "o"], ["\u01d4", "u"], ["\u01d6", "u"], ["\u01d8", "u"], ["\u01da", "u"], ["\u01dc", "u"], ["\u01df", "a"], ["\u01e1", "a"], ["\u01e3", "ae"], ["\u00e6", "ae"], ["\u01fd", "ae"], ["\u01e7", "g"], ["\u01e9", "k"], ["\u01eb", "o"], ["\u01ed", "o"], ["\u01ef", "\u0292"], ["\u01f0", "j"], ["\u01f3", 
-"dz"], ["\u01f5", "g"], ["\u01f9", "n"], ["\u01fb", "a"], ["\u01ff", "\u00f8"], ["\u0201", "a"], ["\u0203", "a"], ["\u0205", "e"], ["\u0207", "e"], ["\u0209", "i"], ["\u020b", "i"], ["\u020d", "o"], ["\u020f", "o"], ["\u0211", "r"], ["\u0213", "r"], ["\u0215", "u"], ["\u0217", "u"], ["\u0219", "s"], ["\u021b", "t"], ["\u021f", "h"], ["\u0227", "a"], ["\u0229", "e"], ["\u022b", "o"], ["\u022d", "o"], ["\u022f", "o"], ["\u0231", "o"], ["\u0233", "y"], ["\u02b0", "h"], ["\u02b1", "h"], ["\u0266", "h"], 
-["\u02b2", "j"], ["\u02b3", "r"], ["\u02b4", "\u0279"], ["\u02b5", "\u027b"], ["\u02b6", "\u0281"], ["\u02b7", "w"], ["\u02b8", "y"], ["\u02e0", "\u0263"], ["\u02e1", "l"], ["\u02e2", "s"], ["\u02e3", "x"], ["\u02e4", "\u0295"], ["\u0390", "\u03b9"], ["\u03ac", "\u03b1"], ["\u03ad", "\u03b5"], ["\u03ae", "\u03b7"], ["\u03af", "\u03b9"], ["\u03b0", "\u03c5"], ["\u03ca", "\u03b9"], ["\u03cb", "\u03c5"], ["\u03cc", "\u03bf"], ["\u03cd", "\u03c5"], ["\u03ce", "\u03c9"], ["\u03d0", "\u03b2"], ["\u03d1", 
-"\u03b8"], ["\u03d2", "\u03a5"], ["\u03d3", "\u03a5"], ["\u03d4", "\u03a5"], ["\u03d5", "\u03c6"], ["\u03d6", "\u03c0"], ["\u03f0", "\u03ba"], ["\u03f1", "\u03c1"], ["\u03f2", "\u03c2"], ["\u03f5", "\u03b5"], ["\u0439", "\u0438"], ["\u0450", "\u0435"], ["\u0451", "\u0435"], ["\u0453", "\u0433"], ["\u0457", "\u0456"], ["\u045c", "\u043a"], ["\u045d", "\u0438"], ["\u045e", "\u0443"], ["\u0477", "\u0475"], ["\u04c2", "\u0436"], ["\u04d1", "\u0430"], ["\u04d3", "\u0430"], ["\u04d7", "\u0435"], ["\u04db", 
-"\u04d9"], ["\u04dd", "\u0436"], ["\u04df", "\u0437"], ["\u04e3", "\u0438"], ["\u04e5", "\u0438"], ["\u04e7", "\u043e"], ["\u04eb", "\u04e9"], ["\u04ed", "\u044d"], ["\u04ef", "\u0443"], ["\u04f1", "\u0443"], ["\u04f3", "\u0443"], ["\u04f5", "\u0447"]];
-const ea = /[^\p{L}\p{N}]+/u, fa = /(\d{3})/g, ha = /(\D)(\d{3})/g, ia = /(\d{3})(\D)/g, ja = "".normalize && /[\u0300-\u036f]/g;
-function ka(a = {}) {
-  if (!this || this.constructor !== ka) {
-    return new ka(...arguments);
+;const da = /[^\p{L}\p{N}]+/u, ea = /(\d{3})/g, fa = /(\D)(\d{3})/g, ha = /(\d{3})(\D)/g, ia = /[\u0300-\u036f]/g;
+function ja(a = {}) {
+  if (!this || this.constructor !== ja) {
+    return new ja(...arguments);
   }
   if (arguments.length) {
     for (a = 0; a < arguments.length; a++) {
@@ -97,7 +89,7 @@ function ka(a = {}) {
     this.assign(a);
   }
 }
-t = ka.prototype;
+t = ja.prototype;
 t.assign = function(a) {
   this.normalize = z(a.normalize, !0, this.normalize);
   let c = a.include, b = c || a.exclude || a.split, e;
@@ -125,7 +117,7 @@ t.assign = function(a) {
     this.numeric = z(a.numeric, e);
   } else {
     try {
-      this.split = z(this.split, ea);
+      this.split = z(this.split, da);
     } catch (d) {
       console.warn("This platform does not support unicode regex. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
     }
@@ -133,7 +125,6 @@ t.assign = function(a) {
   }
   this.prepare = z(a.prepare, null, this.prepare);
   this.finalize = z(a.finalize, null, this.finalize);
-  ja || (this.mapper = new Map(da));
   b = a.filter;
   this.filter = "function" === typeof b ? b : z(b && new Set(b), null, this.filter);
   this.dedupe = z(a.dedupe, !1, this.dedupe);
@@ -221,9 +212,9 @@ t.encode = function(a) {
       this.H = setTimeout(J, 50, this);
     }
   }
-  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = ja ? a.normalize("NFKD").replace(ja, "").toLowerCase() : a.toLowerCase());
+  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = ia ? a.normalize("NFKD").replace(ia, "").toLowerCase() : a.toLowerCase());
   this.prepare && (a = this.prepare(a));
-  this.numeric && 3 < a.length && (a = a.replace(ha, "$1 $2").replace(ia, "$1 $2").replace(fa, "$1 "));
+  this.numeric && 3 < a.length && (a = a.replace(fa, "$1 $2").replace(ha, "$1 $2").replace(ea, "$1 "));
   const c = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
   let b = [], e = this.split || "" === this.split ? a.split(this.split) : a;
   for (let f = 0, g, k; f < e.length; f++) {
@@ -273,7 +264,7 @@ function J(a) {
   a.G.clear();
 }
 ;let K, M;
-async function la(a) {
+async function ka(a) {
   a = a.data;
   var c = a.task;
   const b = a.id;
@@ -303,25 +294,25 @@ async function la(a) {
       postMessage("search" === c ? {id:b, msg:d} : {id:b});
   }
 }
-;function ma(a) {
-  na.call(a, "add");
-  na.call(a, "append");
-  na.call(a, "search");
-  na.call(a, "update");
-  na.call(a, "remove");
+;function la(a) {
+  ma.call(a, "add");
+  ma.call(a, "append");
+  ma.call(a, "search");
+  ma.call(a, "update");
+  ma.call(a, "remove");
 }
-let oa, pa, qa;
-function ra() {
-  oa = qa = 0;
+let na, oa, pa;
+function qa() {
+  na = pa = 0;
 }
-function na(a) {
+function ma(a) {
   this[a + "Async"] = function() {
     const c = arguments;
     var b = c[c.length - 1];
     let e;
     "function" === typeof b && (e = b, delete c[c.length - 1]);
-    oa ? qa || (qa = Date.now() - pa >= this.priority * this.priority * 3) : (oa = setTimeout(ra, 0), pa = Date.now());
-    if (qa) {
+    na ? pa || (pa = Date.now() - oa >= this.priority * this.priority * 3) : (na = setTimeout(qa, 0), oa = Date.now());
+    if (pa) {
       const f = this;
       return new Promise(g => {
         setTimeout(function() {
@@ -366,7 +357,7 @@ function P(a = {}) {
   }
   let b = "undefined" !== typeof self ? self._factory : "undefined" !== typeof window ? window._factory : null;
   b && (b = b.toString());
-  const e = "undefined" === typeof window, d = this, f = sa(b, e, a.worker);
+  const e = "undefined" === typeof window, d = this, f = ra(b, e, a.worker);
   return f.then ? f.then(function(g) {
     return c.call(d, g);
   }) : c.call(this, f);
@@ -379,7 +370,7 @@ Q("remove");
 Q("clear");
 Q("export");
 Q("import");
-ma(P.prototype);
+la(P.prototype);
 function Q(a) {
   P.prototype[a] = function() {
     const c = this, b = [].slice.call(arguments);
@@ -394,11 +385,11 @@ function Q(a) {
     return d ? (e.then(d), this) : e;
   };
 }
-function sa(a, c, b) {
-  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/worker/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"](import.meta.dirname+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + la.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : import.meta.url.replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
+function ra(a, c, b) {
+  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/worker/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"](import.meta.dirname+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + ka.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : import.meta.url.replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
   "module/worker/worker.js"), {type:"module"});
 }
-;function ta(a, c = 0) {
+;function sa(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 5000 | 0);
   for (const d of a.entries()) {
@@ -407,30 +398,30 @@ function sa(a, c, b) {
   e.length && b.push(e);
   return b;
 }
-function ua(a, c) {
+function ta(a, c) {
   c || (c = new Map());
   for (let b = 0, e; b < a.length; b++) {
     e = a[b], c.set(e[0], e[1]);
   }
   return c;
 }
-function va(a, c = 0) {
+function ua(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 1000 | 0);
   for (const d of a.entries()) {
-    e.push([d[0], ta(d[1])[0]]), e.length === c && (b.push(e), e = []);
+    e.push([d[0], sa(d[1])[0]]), e.length === c && (b.push(e), e = []);
   }
   e.length && b.push(e);
   return b;
 }
-function wa(a, c) {
+function va(a, c) {
   c || (c = new Map());
   for (let b = 0, e, d; b < a.length; b++) {
-    e = a[b], d = c.get(e[0]), c.set(e[0], ua(e[1], d));
+    e = a[b], d = c.get(e[0]), c.set(e[0], ta(e[1], d));
   }
   return c;
 }
-function xa(a) {
+function wa(a) {
   let c = [], b = [];
   for (const e of a.keys()) {
     b.push(e), 250000 === b.length && (c.push(b), b = []);
@@ -438,14 +429,14 @@ function xa(a) {
   b.length && c.push(b);
   return c;
 }
-function ya(a, c) {
+function xa(a, c) {
   c || (c = new Set());
   for (let b = 0; b < a.length; b++) {
     c.add(a[b]);
   }
   return c;
 }
-function za(a, c, b, e, d, f, g = 0) {
+function ya(a, c, b, e, d, f, g = 0) {
   const k = e && e.constructor === Array;
   var h = k ? e.shift() : e;
   if (!h) {
@@ -454,12 +445,12 @@ function za(a, c, b, e, d, f, g = 0) {
   if ((h = a((c ? c + "." : "") + (g + 1) + "." + b, JSON.stringify(h))) && h.then) {
     const l = this;
     return h.then(function() {
-      return za.call(l, a, c, b, k ? e : null, d, f, g + 1);
+      return ya.call(l, a, c, b, k ? e : null, d, f, g + 1);
     });
   }
-  return za.call(this, a, c, b, k ? e : null, d, f, g + 1);
+  return ya.call(this, a, c, b, k ? e : null, d, f, g + 1);
 }
-function Aa(a, c) {
+function za(a, c) {
   let b = "";
   for (const e of a.entries()) {
     a = e[0];
@@ -479,7 +470,7 @@ function Aa(a, c) {
   }
   return b;
 }
-;function Ba(a, c, b, e) {
+;function Aa(a, c, b, e) {
   let d = [];
   for (let f = 0, g; f < a.index.length; f++) {
     if (g = a.index[f], c >= g.length) {
@@ -545,12 +536,12 @@ function R(a) {
     }
     if ("slice" === e) {
       return function(d, f) {
-        return Ba(c, d || 0, f || c.length, !1);
+        return Aa(c, d || 0, f || c.length, !1);
       };
     }
     if ("splice" === e) {
       return function(d, f) {
-        return Ba(c, d || 0, f || c.length, !0);
+        return Aa(c, d || 0, f || c.length, !0);
       };
     }
     if ("constructor" === e) {
@@ -581,7 +572,7 @@ function S(a = 8) {
   this.index = B();
   this.h = [];
   this.size = 0;
-  32 < a ? (this.B = Ca, this.A = BigInt(a)) : (this.B = Da, this.A = a);
+  32 < a ? (this.B = Ba, this.A = BigInt(a)) : (this.B = Ca, this.A = a);
 }
 S.prototype.get = function(a) {
   const c = this.index[this.B(a)];
@@ -599,7 +590,7 @@ function T(a = 8) {
   this.index = B();
   this.h = [];
   this.size = 0;
-  32 < a ? (this.B = Ca, this.A = BigInt(a)) : (this.B = Da, this.A = a);
+  32 < a ? (this.B = Ba, this.A = BigInt(a)) : (this.B = Ca, this.A = a);
 }
 T.prototype.add = function(a) {
   var c = this.B(a);
@@ -641,7 +632,7 @@ t.entries = T.prototype.entries = function*() {
     }
   }
 };
-function Da(a) {
+function Ca(a) {
   let c = 2 ** this.A - 1;
   if ("number" == typeof a) {
     return a & c;
@@ -652,7 +643,7 @@ function Da(a) {
   }
   return 32 === this.A ? b + 2 ** 31 : b;
 }
-function Ca(a) {
+function Ba(a) {
   let c = BigInt(2) ** this.A - BigInt(1);
   var b = typeof a;
   if ("bigint" === b) {
@@ -682,7 +673,7 @@ function Ca(a) {
         d && e.add(a, d, !1, !0);
       } else {
         if (d = h.I, !d || d(c)) {
-          h.constructor === String ? h = ["" + h] : E(h) && (h = [h]), Ea(c, h, this.J, 0, e, a, h[0], b);
+          h.constructor === String ? h = ["" + h] : E(h) && (h = [h]), Da(c, h, this.J, 0, e, a, h[0], b);
         }
       }
     }
@@ -745,7 +736,7 @@ function Ca(a) {
             k[l] = c[l];
             continue;
           }
-          Fa(c, k, l, 0, l[0], n);
+          Ea(c, k, l, 0, l[0], n);
         }
       }
       this.store.set(a, k || c);
@@ -754,21 +745,21 @@ function Ca(a) {
   }
   return this;
 };
-function Fa(a, c, b, e, d, f) {
+function Ea(a, c, b, e, d, f) {
   a = a[d];
   if (e === b.length - 1) {
     c[d] = f || a;
   } else if (a) {
     if (a.constructor === Array) {
       for (c = c[d] = Array(a.length), d = 0; d < a.length; d++) {
-        Fa(a, c, b, e, d);
+        Ea(a, c, b, e, d);
       }
     } else {
-      c = c[d] || (c[d] = B()), d = b[++e], Fa(a, c, b, e, d);
+      c = c[d] || (c[d] = B()), d = b[++e], Ea(a, c, b, e, d);
     }
   }
 }
-function Ea(a, c, b, e, d, f, g, k) {
+function Da(a, c, b, e, d, f, g, k) {
   if (a = a[g]) {
     if (e === c.length - 1) {
       if (a.constructor === Array) {
@@ -784,17 +775,17 @@ function Ea(a, c, b, e, d, f, g, k) {
     } else {
       if (a.constructor === Array) {
         for (g = 0; g < a.length; g++) {
-          Ea(a, c, b, e, d, f, g, k);
+          Da(a, c, b, e, d, f, g, k);
         }
       } else {
-        g = c[++e], Ea(a, c, b, e, d, f, g, k);
+        g = c[++e], Da(a, c, b, e, d, f, g, k);
       }
     }
   } else {
     d.db && d.remove(f);
   }
 }
-;function Ga(a, c, b, e, d, f, g) {
+;function Fa(a, c, b, e, d, f, g) {
   const k = a.length;
   let h = [], l, n;
   l = B();
@@ -819,7 +810,7 @@ function Ea(a, c, b, e, d, f, g, k) {
   }
   if (a = h.length) {
     if (d) {
-      h = 1 < h.length ? Ha(h, b, e, g, f) : (h = h[0]).length > b || e ? h.slice(e, b + e) : h;
+      h = 1 < h.length ? Ga(h, b, e, g, f) : (h = h[0]).length > b || e ? h.slice(e, b + e) : h;
     } else {
       if (a < k) {
         return [];
@@ -852,7 +843,7 @@ function Ea(a, c, b, e, d, f, g, k) {
   }
   return h;
 }
-function Ha(a, c, b, e, d) {
+function Ga(a, c, b, e, d) {
   const f = [], g = B();
   let k;
   var h = a.length;
@@ -897,7 +888,7 @@ function Ha(a, c, b, e, d) {
   }
   return f;
 }
-function Ia(a, c, b) {
+function Ha(a, c, b) {
   const e = B(), d = [];
   for (let f = 0, g; f < c.length; f++) {
     g = c[f];
@@ -918,7 +909,7 @@ function Ia(a, c, b) {
   }
   return d;
 }
-;function Ja(a, c, b, e) {
+;function Ia(a, c, b, e) {
   if (!a.length) {
     return a;
   }
@@ -949,7 +940,7 @@ function Ia(a, c, b) {
   d = 1 < d.length ? [].concat.apply([], d) : d[0];
   return e ? V.call(this, d) : d;
 }
-;function Ka(a, c, b) {
+;function Ja(a, c, b) {
   var e = b[0];
   if (e.then) {
     return Promise.all(b).then(function(n) {
@@ -996,10 +987,10 @@ function Ia(a, c, b) {
   return {O:e, P:d, limit:f, offset:g, enrich:k, resolve:h, suggest:l};
 }
 ;W.prototype.or = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Ka(this, "or", arguments);
-  return La.call(this, a, c, b, e, d, f);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Ja(this, "or", arguments);
+  return Ka.call(this, a, c, b, e, d, f);
 };
-function La(a, c, b, e, d, f) {
+function Ka(a, c, b, e, d, f) {
   if (c.length) {
     const g = this;
     return Promise.all(c).then(function(k) {
@@ -1007,10 +998,10 @@ function La(a, c, b, e, d, f) {
       for (let h = 0, l; h < k.length; h++) {
         (l = k[h]).length && (a[h] = l);
       }
-      return La.call(g, a, [], b, e, d, f);
+      return Ka.call(g, a, [], b, e, d, f);
     });
   }
-  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = Ha(a, b, e, !1, this.h), e = 0));
+  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = Ga(a, b, e, !1, this.h), e = 0));
   return f ? this.resolve(b, e, d) : this;
 }
 ;W.prototype.and = function() {
@@ -1020,11 +1011,40 @@ function La(a, c, b, e, d, f) {
     f && (a = !!f.suggest, d = f.resolve, c = f.limit, b = f.offset, e = f.enrich && d);
   }
   if (a) {
-    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:n, suggest:m} = Ka(this, "and", arguments);
-    return Ma.call(this, f, g, k, h, l, n, m);
+    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:n, suggest:m} = Ja(this, "and", arguments);
+    return La.call(this, f, g, k, h, l, n, m);
   }
   return d ? this.resolve(c, b, e) : this;
 };
+function La(a, c, b, e, d, f, g) {
+  if (c.length) {
+    const k = this;
+    return Promise.all(c).then(function(h) {
+      a = [];
+      for (let l = 0, n; l < h.length; l++) {
+        (n = h[l]).length && (a[l] = n);
+      }
+      return La.call(k, a, [], b, e, d, f, g);
+    });
+  }
+  if (a.length) {
+    if (this.result.length && a.unshift(this.result), 2 > a.length) {
+      this.result = a[0];
+    } else {
+      if (c = ca(a)) {
+        return this.result = Fa(a, c, b, e, g, this.h, f), f ? d ? V.call(this.index, this.result) : this.result : this;
+      }
+      this.result = [];
+    }
+  } else {
+    g || (this.result = a);
+  }
+  return f ? this.resolve(b, e, d) : this;
+}
+;W.prototype.xor = function() {
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ja(this, "xor", arguments);
+  return Ma.call(this, a, c, b, e, d, f, g);
+};
 function Ma(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
@@ -1040,43 +1060,14 @@ function Ma(a, c, b, e, d, f, g) {
     if (this.result.length && a.unshift(this.result), 2 > a.length) {
       this.result = a[0];
     } else {
-      if (c = ca(a)) {
-        return this.result = Ga(a, c, b, e, g, this.h, f), f ? d ? V.call(this.index, this.result) : this.result : this;
-      }
-      this.result = [];
+      return this.result = Na.call(this, a, b, e, f, this.h), f ? d ? V.call(this.index, this.result) : this.result : this;
     }
   } else {
     g || (this.result = a);
   }
   return f ? this.resolve(b, e, d) : this;
 }
-;W.prototype.xor = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ka(this, "xor", arguments);
-  return Na.call(this, a, c, b, e, d, f, g);
-};
-function Na(a, c, b, e, d, f, g) {
-  if (c.length) {
-    const k = this;
-    return Promise.all(c).then(function(h) {
-      a = [];
-      for (let l = 0, n; l < h.length; l++) {
-        (n = h[l]).length && (a[l] = n);
-      }
-      return Na.call(k, a, [], b, e, d, f, g);
-    });
-  }
-  if (a.length) {
-    if (this.result.length && a.unshift(this.result), 2 > a.length) {
-      this.result = a[0];
-    } else {
-      return this.result = Oa.call(this, a, b, e, f, this.h), f ? d ? V.call(this.index, this.result) : this.result : this;
-    }
-  } else {
-    g || (this.result = a);
-  }
-  return f ? this.resolve(b, e, d) : this;
-}
-function Oa(a, c, b, e, d) {
+function Na(a, c, b, e, d) {
   const f = [], g = B();
   let k = 0;
   for (let h = 0, l; h < a.length; h++) {
@@ -1122,10 +1113,10 @@ function Oa(a, c, b, e, d) {
   return f;
 }
 ;W.prototype.not = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ka(this, "not", arguments);
-  return Pa.call(this, a, c, b, e, d, f, g);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ja(this, "not", arguments);
+  return Oa.call(this, a, c, b, e, d, f, g);
 };
-function Pa(a, c, b, e, d, f, g) {
+function Oa(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
     return Promise.all(c).then(function(h) {
@@ -1133,17 +1124,17 @@ function Pa(a, c, b, e, d, f, g) {
       for (let l = 0, n; l < h.length; l++) {
         (n = h[l]).length && (a[l] = n);
       }
-      return Pa.call(k, a, [], b, e, d, f, g);
+      return Oa.call(k, a, [], b, e, d, f, g);
     });
   }
   if (a.length && this.result.length) {
-    this.result = Qa.call(this, a, b, e, f);
+    this.result = Pa.call(this, a, b, e, f);
   } else if (f) {
     return this.resolve(b, e, d);
   }
   return f ? d ? V.call(this.index, this.result) : this.result : this;
 }
-function Qa(a, c, b, e) {
+function Pa(a, c, b, e) {
   const d = [];
   a = new Set(a.flat().flat());
   for (let f = 0, g, k = 0; f < this.result.length; f++) {
@@ -1218,7 +1209,7 @@ W.prototype.boost = function(a) {
 W.prototype.resolve = function(a, c, b) {
   const e = this.result, d = this.index;
   this.result = this.index = null;
-  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), Ja.call(d, e, a || 100, c, b)) : e;
+  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), Ia.call(d, e, a || 100, c, b)) : e;
 };
 B();
 U.prototype.search = function(a, c, b, e) {
@@ -1298,7 +1289,7 @@ U.prototype.search = function(a, c, b, e) {
               }
               m.push(p = p.db.tag(v[f + 1], c, u, g));
             } else {
-              p = Ra.call(this, v[f], v[f + 1], c, u, g);
+              p = Qa.call(this, v[f], v[f + 1], c, u, g);
             }
             d.push({field:v[f], tag:v[f + 1], result:p});
           }
@@ -1350,7 +1341,7 @@ U.prototype.search = function(a, c, b, e) {
           }
         }
       } else {
-        for (let G = 0, L, pb; G < l.length; G += 2) {
+        for (let G = 0, L, qb; G < l.length; G += 2) {
           L = this.tag.get(l[G]);
           if (!L) {
             if (console.warn("Tag '" + l[G] + ":" + l[G + 1] + "' will be skipped because there is no field '" + l[G] + "'."), r) {
@@ -1359,7 +1350,7 @@ U.prototype.search = function(a, c, b, e) {
               return m ? d : new W(d);
             }
           }
-          if (pb = (L = L && L.get(l[G + 1])) && L.length) {
+          if (qb = (L = L && L.get(l[G + 1])) && L.length) {
             y++, w.push(L);
           } else if (!r) {
             return m ? d : new W(d);
@@ -1367,7 +1358,7 @@ U.prototype.search = function(a, c, b, e) {
         }
       }
       if (y) {
-        x = Ia(x, w, m);
+        x = Ha(x, w, m);
         H = x.length;
         if (!H && !r) {
           return m ? x : new W(x);
@@ -1421,12 +1412,12 @@ U.prototype.search = function(a, c, b, e) {
       for (let D = 0; D < x.length; D++) {
         d[D].result = x[D];
       }
-      return k ? Sa(d, c) : q ? Ta(d, a, A.index, A.field, A.D, q) : d;
+      return k ? Ra(d, c) : q ? Sa(d, a, A.index, A.field, A.D, q) : d;
     });
   }
-  return k ? Sa(d, c) : q ? Ta(d, a, this.index, this.field, this.D, q) : d;
+  return k ? Ra(d, c) : q ? Sa(d, a, this.index, this.field, this.D, q) : d;
 };
-function Ta(a, c, b, e, d, f) {
+function Sa(a, c, b, e, d, f) {
   let g, k, h;
   for (let n = 0, m, q, p, r; n < a.length; n++) {
     let u = a[n].result;
@@ -1471,7 +1462,7 @@ function Ta(a, c, b, e, d, f) {
   }
   return a;
 }
-function Sa(a, c) {
+function Ra(a, c) {
   const b = [], e = B();
   for (let d = 0, f, g; d < a.length; d++) {
     f = a[d];
@@ -1490,7 +1481,7 @@ function Sa(a, c) {
   }
   return b;
 }
-function Ra(a, c, b, e, d) {
+function Qa(a, c, b, e, d) {
   let f = this.tag.get(a);
   if (!f) {
     return console.warn("Tag '" + a + "' was not found"), [];
@@ -1522,7 +1513,7 @@ function V(a) {
   this.D = [];
   this.field = [];
   this.J = [];
-  this.key = (b = c.key || c.id) && Ua(b, this.J) || "id";
+  this.key = (b = c.key || c.id) && Ta(b, this.J) || "id";
   (e = a.keystore || 0) && (this.keystore = e);
   this.fastupdate = !!a.fastupdate;
   this.reg = !this.fastupdate || a.worker || a.db ? e ? new T(e) : new Set() : e ? new S(e) : new Map();
@@ -1532,7 +1523,7 @@ function V(a) {
   a.cache = !1;
   this.worker = a.worker;
   this.priority = a.priority || 4;
-  this.index = Va.call(this, a, c);
+  this.index = Ua.call(this, a, c);
   this.tag = null;
   if (b = c.tag) {
     if ("string" === typeof b && (b = [b]), b.length) {
@@ -1545,7 +1536,7 @@ function V(a) {
         if (!g) {
           throw Error("The tag field from the document descriptor is undefined.");
         }
-        f.custom ? this.F[d] = f.custom : (this.F[d] = Ua(g, this.J), f.filter && ("string" === typeof this.F[d] && (this.F[d] = new String(this.F[d])), this.F[d].I = f.filter));
+        f.custom ? this.F[d] = f.custom : (this.F[d] = Ta(g, this.J), f.filter && ("string" === typeof this.F[d] && (this.F[d] = new String(this.F[d])), this.F[d].I = f.filter));
         this.R[d] = g;
         this.tag.set(g, new Map());
       }
@@ -1617,7 +1608,7 @@ t.destroy = function() {
   }
   return Promise.all(a);
 };
-function Va(a, c) {
+function Ua(a, c) {
   const b = new Map();
   let e = c.index || c.field || c;
   E(e) && (e = [e]);
@@ -1630,19 +1621,19 @@ function Va(a, c) {
       b.set(f, k);
     }
     this.worker || b.set(f, new N(g, this.reg));
-    g.custom ? this.D[d] = g.custom : (this.D[d] = Ua(f, this.J), g.filter && ("string" === typeof this.D[d] && (this.D[d] = new String(this.D[d])), this.D[d].I = g.filter));
+    g.custom ? this.D[d] = g.custom : (this.D[d] = Ta(f, this.J), g.filter && ("string" === typeof this.D[d] && (this.D[d] = new String(this.D[d])), this.D[d].I = g.filter));
     this.field[d] = f;
   }
   if (this.C) {
     a = c.store;
     E(a) && (a = [a]);
     for (let d = 0, f, g; d < a.length; d++) {
-      f = a[d], g = f.field || f, f.custom ? (this.C[d] = f.custom, f.custom.V = g) : (this.C[d] = Ua(g, this.J), f.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = f.filter));
+      f = a[d], g = f.field || f, f.custom ? (this.C[d] = f.custom, f.custom.V = g) : (this.C[d] = Ta(g, this.J), f.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = f.filter));
     }
   }
   return b;
 }
-function Ua(a, c) {
+function Ta(a, c) {
   const b = a.split(":");
   let e = 0;
   for (let d = 0; d < b.length; d++) {
@@ -1711,7 +1702,7 @@ t.set = function(a, c) {
   this.store.set(a, c);
   return this;
 };
-t.searchCache = Wa;
+t.searchCache = Va;
 t.export = function(a, c, b = 0, e = 0) {
   if (b < this.field.length) {
     const g = this.field[b];
@@ -1727,23 +1718,23 @@ t.export = function(a, c, b = 0, e = 0) {
   switch(e) {
     case 0:
       d = "reg";
-      f = xa(this.reg);
+      f = wa(this.reg);
       c = null;
       break;
     case 1:
       d = "tag";
-      f = this.tag && va(this.tag, this.reg.size);
+      f = this.tag && ua(this.tag, this.reg.size);
       c = null;
       break;
     case 2:
       d = "doc";
-      f = this.store && ta(this.store);
+      f = this.store && sa(this.store);
       c = null;
       break;
     default:
       return;
   }
-  return za.call(this, a, c, d, f, b, e);
+  return ya.call(this, a, c, d, f, b, e);
 };
 t.import = function(a, c) {
   var b = a.split(".");
@@ -1761,7 +1752,7 @@ t.import = function(a, c) {
     switch(b) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ya(c, this.reg);
+        this.reg = xa(c, this.reg);
         for (let d = 0, f; d < this.field.length; d++) {
           f = this.index.get(this.field[d]), f.fastupdate = !1, f.reg = this.reg;
         }
@@ -1774,15 +1765,15 @@ t.import = function(a, c) {
         }
         break;
       case "tag":
-        this.tag = wa(c, this.tag);
+        this.tag = va(c, this.tag);
         break;
       case "doc":
-        this.store = ua(c, this.store);
+        this.store = ta(c, this.store);
     }
   }
 };
-ma(U.prototype);
-function Wa(a, c, b) {
+la(U.prototype);
+function Va(a, c, b) {
   a = ("object" === typeof a ? "" + a.query : a).toLowerCase();
   this.cache || (this.cache = new X());
   let e = this.cache.get(a);
@@ -1823,31 +1814,22 @@ X.prototype.clear = function() {
   this.cache.clear();
   this.h = "";
 };
-const Xa = {normalize:function(a) {
-  return a.toLowerCase();
-}};
-const Ya = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
-const Za = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), $a = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
-const ab = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
-const bb = /[\x00-\x7F]+/g;
-const cb = /[\x00-\x7F]+/g;
-const db = /[\x00-\x7F]+/g;
-var eb = {LatinExact:{split:/\s+/, normalize:!1}, LatinDefault:Xa, LatinSimple:{normalize:!0, dedupe:!0}, LatinBalance:{normalize:!0, dedupe:!0, mapper:Ya}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Ya, matcher:Za, replacer:$a}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Ya, replacer:$a.concat([/(?!^)[aeo]/g, ""]), matcher:Za}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
+const Wa = {normalize:!1, numeric:!1, split:/\s+/};
+const Xa = {normalize:!0};
+const Ya = {normalize:!0, dedupe:!0};
+const Za = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
+const $a = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), ab = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
+const bb = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
+var cb = {X:Wa, W:Xa, Y:Ya, LatinBalance:{normalize:!0, dedupe:!0, mapper:Za}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Za, matcher:$a, replacer:ab}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Za, replacer:ab.concat([/(?!^)[aeo]/g, ""]), matcher:$a}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
   for (let b = 0; b < a.length; b++) {
     var c = a[b];
-    let e = c.charAt(0), d = ab[e];
-    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = ab[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
+    let e = c.charAt(0), d = bb[e];
+    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = bb[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
     }
     a[b] = e;
   }
-}}, ArabicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(bb, " ");
-}}, CjkDefault:{normalize:!1, dedupe:!0, split:"", prepare:function(a) {
-  return ("" + a).replace(cb, "");
-}}, CyrillicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(db, " ");
-}}};
-const fb = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
+}}, LatinExact:Wa, LatinDefault:Xa, LatinSimple:Ya};
+const db = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
 N.prototype.add = function(a, c, b, e) {
   if (c && (a || 0 === a)) {
     if (!e && !b && this.reg.has(a)) {
@@ -1860,7 +1842,7 @@ N.prototype.add = function(a, c, b, e) {
         let r = c[this.rtl ? e - 1 - p : p];
         var d = r.length;
         if (d && (m || !n[r])) {
-          var f = this.score ? this.score(c, r, p, null, 0) : gb(q, e, p), g = "";
+          var f = this.score ? this.score(c, r, p, null, 0) : eb(q, e, p), g = "";
           switch(this.tokenize) {
             case "full":
               if (2 < d) {
@@ -1868,35 +1850,36 @@ N.prototype.add = function(a, c, b, e) {
                   for (f = d; f > u; f--) {
                     g = r.substring(u, f);
                     v = this.rtl ? d - 1 - u : u;
-                    var k = this.score ? this.score(c, r, p, g, v) : gb(q, e, p, d, v);
-                    hb(this, n, g, k, a, b);
+                    var k = this.score ? this.score(c, r, p, g, v) : eb(q, e, p, d, v);
+                    fb(this, n, g, k, a, b);
                   }
                 }
                 break;
               }
+            case "bidirectional":
             case "reverse":
               if (1 < d) {
                 for (k = d - 1; 0 < k; k--) {
                   g = r[this.rtl ? d - 1 - k : k] + g;
-                  var h = this.score ? this.score(c, r, p, g, k) : gb(q, e, p, d, k);
-                  hb(this, n, g, h, a, b);
+                  var h = this.score ? this.score(c, r, p, g, k) : eb(q, e, p, d, k);
+                  fb(this, n, g, h, a, b);
                 }
                 g = "";
               }
             case "forward":
               if (1 < d) {
                 for (k = 0; k < d; k++) {
-                  g += r[this.rtl ? d - 1 - k : k], hb(this, n, g, f, a, b);
+                  g += r[this.rtl ? d - 1 - k : k], fb(this, n, g, f, a, b);
                 }
                 break;
               }
             default:
-              if (hb(this, n, r, f, a, b), m && 1 < e && p < e - 1) {
+              if (fb(this, n, r, f, a, b), m && 1 < e && p < e - 1) {
                 for (d = B(), g = this.U, f = r, k = Math.min(m + 1, this.rtl ? p + 1 : e - p), d[f] = 1, h = 1; h < k; h++) {
                   if ((r = c[this.rtl ? e - 1 - p - h : p + h]) && !d[r]) {
                     d[r] = 1;
-                    const u = this.score ? this.score(c, f, p, r, h - 1) : gb(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), v = this.bidirectional && r > f;
-                    hb(this, l, v ? f : r, u, a, b, v ? r : f);
+                    const u = this.score ? this.score(c, f, p, r, h - 1) : eb(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), v = this.bidirectional && r > f;
+                    fb(this, l, v ? f : r, u, a, b, v ? r : f);
                   }
                 }
               }
@@ -1908,10 +1891,10 @@ N.prototype.add = function(a, c, b, e) {
       c = "";
     }
   }
-  this.db && (c || this.commit_task.push({del:a}), this.T && ib(this));
+  this.db && (c || this.commit_task.push({del:a}), this.T && gb(this));
   return this;
 };
-function hb(a, c, b, e, d, f, g) {
+function fb(a, c, b, e, d, f, g) {
   let k = g ? a.ctx : a.map, h;
   if (!c[b] || g && !(h = c[b])[g]) {
     if (g ? (c = h || (c[b] = B()), c[g] = 1, (h = k.get(g)) ? k = h : k.set(g, k = new Map())) : c[b] = 1, (h = k.get(b)) ? k = h : k.set(b, k = h = []), k = k[e] || (k[e] = []), !f || !k.includes(d)) {
@@ -1929,7 +1912,7 @@ function hb(a, c, b, e, d, f, g) {
     }
   }
 }
-function gb(a, c, b, e, d) {
+function eb(a, c, b, e, d) {
   return b && 1 < a ? c + (e || 0) <= a ? b + (d || 0) : (a - 1) / (c + (e || 0)) * (b + (d || 0)) + 1 | 0 : 0;
 }
 ;N.prototype.search = function(a, c, b) {
@@ -1940,11 +1923,11 @@ function gb(a, c, b, e, d) {
   d = p.length;
   c = c || (h ? 100 : 0);
   if (1 === d) {
-    return jb.call(this, p[0], "", c, k, h, q, l);
+    return hb.call(this, p[0], "", c, k, h, q, l);
   }
   f = this.depth && !1 !== f;
   if (2 === d && f && !g) {
-    return jb.call(this, p[0], p[1], c, k, h, q, l);
+    return hb.call(this, p[0], p[1], c, k, h, q, l);
   }
   let r = B(), u = 0, v;
   1 < d && f && (v = p[0], u = 1);
@@ -1958,8 +1941,8 @@ function gb(a, c, b, e, d) {
       for (let y, F; u < d; u++) {
         if ((F = p[u]) && !r[F]) {
           r[F] = 1;
-          y = await kb(w, F, v, 0, 0, !1, !1);
-          if (y = lb(y, e, g, m)) {
+          y = await ib(w, F, v, 0, 0, !1, !1);
+          if (y = jb(y, e, g, m)) {
             e = y;
             break;
           }
@@ -1967,14 +1950,14 @@ function gb(a, c, b, e, d) {
         }
         g && v && u === d - 1 && !e.length && (m = w.resolution, v = "", u = -1, r = B());
       }
-      return mb(e, m, c, k, g, n, h);
+      return kb(e, m, c, k, g, n, h);
     }();
   }
   for (let w, y; u < d; u++) {
     if ((y = p[u]) && !r[y]) {
       r[y] = 1;
-      w = kb(this, y, v, 0, 0, !1, !1);
-      if (w = lb(w, e, g, m)) {
+      w = ib(this, y, v, 0, 0, !1, !1);
+      if (w = jb(w, e, g, m)) {
         e = w;
         break;
       }
@@ -1982,24 +1965,24 @@ function gb(a, c, b, e, d) {
     }
     g && v && u === d - 1 && !e.length && (m = this.resolution, v = "", u = -1, r = B());
   }
-  return mb(e, m, c, k, g, n, h);
+  return kb(e, m, c, k, g, n, h);
 };
-function mb(a, c, b, e, d, f, g) {
+function kb(a, c, b, e, d, f, g) {
   let k = a.length, h = a;
   if (1 < k) {
-    h = Ga(a, c, b, e, d, f, g);
+    h = Fa(a, c, b, e, d, f, g);
   } else if (1 === k) {
-    return g ? Ja.call(null, a[0], b, e) : new W(a[0]);
+    return g ? Ia.call(null, a[0], b, e) : new W(a[0]);
   }
   return g ? h : new W(h);
 }
-function jb(a, c, b, e, d, f, g) {
-  a = kb(this, a, c, b, e, d, f, g);
+function hb(a, c, b, e, d, f, g) {
+  a = ib(this, a, c, b, e, d, f, g);
   return this.db ? a.then(function(k) {
     return d ? k || [] : new W(k);
-  }) : a && a.length ? d ? Ja.call(this, a, b, e) : new W(a) : d ? [] : new W();
+  }) : a && a.length ? d ? Ia.call(this, a, b, e) : new W(a) : d ? [] : new W();
 }
-function lb(a, c, b, e) {
+function jb(a, c, b, e) {
   let d = [];
   if (a && a.length) {
     if (a.length <= e) {
@@ -2020,7 +2003,7 @@ function lb(a, c, b, e) {
     return d;
   }
 }
-function kb(a, c, b, e, d, f, g, k) {
+function ib(a, c, b, e, d, f, g, k) {
   let h;
   b && (h = a.bidirectional && c > b) && (h = b, b = c, c = h);
   if (a.db) {
@@ -2044,15 +2027,15 @@ function kb(a, c, b, e, d, f, g, k) {
         }
       }
     } else {
-      nb(this.map, a), this.depth && nb(this.ctx, a);
+      lb(this.map, a), this.depth && lb(this.ctx, a);
     }
     c || this.reg.delete(a);
   }
-  this.db && (this.commit_task.push({del:a}), this.T && ib(this));
+  this.db && (this.commit_task.push({del:a}), this.T && gb(this));
   this.cache && this.cache.remove(a);
   return this;
 };
-function nb(a, c) {
+function lb(a, c) {
   let b = 0;
   if (a.constructor === Array) {
     for (let e = 0, d, f; e < a.length; e++) {
@@ -2067,7 +2050,7 @@ function nb(a, c) {
     }
   } else {
     for (let e of a.entries()) {
-      const d = e[0], f = nb(e[1], c);
+      const d = e[0], f = lb(e[1], c);
       f ? b += f : a.delete(d);
     }
   }
@@ -2079,15 +2062,15 @@ function nb(a, c) {
   }
   if (a) {
     var b = E(a) ? a : a.preset;
-    b && (fb[b] || console.warn("Preset not found: " + b), a = Object.assign({}, fb[b], a));
+    b && (db[b] || console.warn("Preset not found: " + b), a = Object.assign({}, db[b], a));
   } else {
     a = {};
   }
   b = a.context;
-  const e = !0 === b ? {depth:1} : b || {}, d = E(a.encoder) ? eb[a.encoder] : a.encode || a.encoder || Xa;
-  this.encoder = d.encode ? d : "object" === typeof d ? new ka(d) : {encode:d};
+  const e = !0 === b ? {depth:1} : b || {}, d = E(a.encoder) ? cb[a.encoder] : a.encode || a.encoder || Xa;
+  this.encoder = d.encode ? d : "object" === typeof d ? new ja(d) : {encode:d};
   this.resolution = a.resolution || 9;
-  this.tokenize = b = (b = a.tokenize) && "default" !== b && b || "strict";
+  this.tokenize = b = (b = a.tokenize) && "default" !== b && "exact" !== b && b || "strict";
   this.depth = "strict" === b && e.depth || 0;
   this.bidirectional = !1 !== e.bidirectional;
   this.fastupdate = !!a.fastupdate;
@@ -2122,7 +2105,7 @@ t.destroy = function() {
   this.commit_timer && (clearTimeout(this.commit_timer), this.commit_timer = null);
   return this.db.destroy();
 };
-function ib(a) {
+function gb(a) {
   a.commit_timer || (a.commit_timer = setTimeout(function() {
     a.commit_timer = null;
     a.db.commit(a, void 0, void 0);
@@ -2146,7 +2129,7 @@ t.update = function(a, c) {
   const b = this, e = this.remove(a);
   return e && e.then ? e.then(() => b.add(a, c)) : this.add(a, c);
 };
-function ob(a) {
+function mb(a) {
   let c = 0;
   if (a.constructor === Array) {
     for (let b = 0, e; b < a.length; b++) {
@@ -2154,7 +2137,7 @@ function ob(a) {
     }
   } else {
     for (const b of a.entries()) {
-      const e = b[0], d = ob(b[1]);
+      const e = b[0], d = mb(b[1]);
       d ? c += d : a.delete(e);
     }
   }
@@ -2164,17 +2147,17 @@ t.cleanup = function() {
   if (!this.fastupdate) {
     return console.info('Cleanup the index isn\'t required when not using "fastupdate".'), this;
   }
-  ob(this.map);
-  this.depth && ob(this.ctx);
+  mb(this.map);
+  this.depth && mb(this.ctx);
   return this;
 };
-t.searchCache = Wa;
+t.searchCache = Va;
 t.export = function(a, c, b = 0, e = 0) {
   let d, f;
   switch(e) {
     case 0:
       d = "reg";
-      f = xa(this.reg);
+      f = wa(this.reg);
       break;
     case 1:
       d = "cfg";
@@ -2182,29 +2165,29 @@ t.export = function(a, c, b = 0, e = 0) {
       break;
     case 2:
       d = "map";
-      f = ta(this.map, this.reg.size);
+      f = sa(this.map, this.reg.size);
       break;
     case 3:
       d = "ctx";
-      f = va(this.ctx, this.reg.size);
+      f = ua(this.ctx, this.reg.size);
       break;
     default:
       return;
   }
-  return za.call(this, a, c, d, f, b, e);
+  return ya.call(this, a, c, d, f, b, e);
 };
 t.import = function(a, c) {
   if (c) {
     switch("string" === typeof c && (c = JSON.parse(c)), a = a.split("."), "json" === a[a.length - 1] && a.pop(), 3 === a.length && a.shift(), a = 1 < a.length ? a[1] : a[0], a) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ya(c, this.reg);
+        this.reg = xa(c, this.reg);
         break;
       case "map":
-        this.map = ua(c, this.map);
+        this.map = ta(c, this.map);
         break;
       case "ctx":
-        this.ctx = wa(c, this.ctx);
+        this.ctx = va(c, this.ctx);
     }
   }
 };
@@ -2216,11 +2199,11 @@ t.serialize = function(a = !0) {
       f || (f = typeof d), c += (c ? "," : "") + ("string" === f ? '"' + d + '"' : d);
     }
     c = "index.reg=new Set([" + c + "]);";
-    b = Aa(this.map, f);
+    b = za(this.map, f);
     b = "index.map=new Map([" + b + "]);";
     for (const g of this.ctx.entries()) {
       d = g[0];
-      let k = Aa(g[1], f);
+      let k = za(g[1], f);
       k = "new Map([" + k + "])";
       k = '["' + d + '",' + k + "]";
       e += (e ? "," : "") + k;
@@ -2229,11 +2212,11 @@ t.serialize = function(a = !0) {
   }
   return a ? "function inject(index){" + c + b + e + "}" : c + b + e;
 };
-ma(N.prototype);
-const qb = "undefined" !== typeof window && (window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB), rb = ["map", "ctx", "tag", "reg", "cfg"], Y = B();
-function sb(a, c = {}) {
+la(N.prototype);
+const nb = "undefined" !== typeof window && (window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB), ob = ["map", "ctx", "tag", "reg", "cfg"], Y = B();
+function pb(a, c = {}) {
   if (!this) {
-    return new sb(a, c);
+    return new pb(a, c);
   }
   "object" === typeof a && (c = a, a = a.name);
   a || console.info("Default storage space was used, because a name was not passed.");
@@ -2244,7 +2227,7 @@ function sb(a, c = {}) {
   this.db = null;
   this.h = {};
 }
-t = sb.prototype;
+t = pb.prototype;
 t.mount = function(a) {
   if (!a.encoder) {
     return a.mount(this);
@@ -2260,11 +2243,11 @@ t.open = function() {
   navigator.storage && navigator.storage.persist();
   Y[a.id] || (Y[a.id] = []);
   Y[a.id].push(a.field);
-  const c = qb.open(a.id, 1);
+  const c = nb.open(a.id, 1);
   c.onupgradeneeded = function() {
     const b = a.db = this.result;
-    for (let e = 0, d; e < rb.length; e++) {
-      d = rb[e];
+    for (let e = 0, d; e < ob.length; e++) {
+      d = ob[e];
       for (let f = 0, g; f < Y[a.id].length; f++) {
         g = Y[a.id][f], b.objectStoreNames.contains(d + ("reg" !== d ? g ? ":" + g : "" : "")) || b.createObjectStore(d + ("reg" !== d ? g ? ":" + g : "" : ""));
       }
@@ -2282,13 +2265,13 @@ t.close = function() {
   this.db = null;
 };
 t.destroy = function() {
-  const a = qb.deleteDatabase(this.id);
+  const a = nb.deleteDatabase(this.id);
   return Z(a);
 };
 t.clear = function() {
   const a = [];
-  for (let b = 0, e; b < rb.length; b++) {
-    e = rb[b];
+  for (let b = 0, e; b < ob.length; b++) {
+    e = ob[b];
     for (let d = 0, f; d < Y[this.id].length; d++) {
       f = Y[this.id][d], a.push(e + ("reg" !== e ? f ? ":" + f : "" : ""));
     }
@@ -2475,7 +2458,7 @@ t.commit = async function(a, c, b) {
     }
   }), a.map.clear(), a.ctx.clear(), a.tag && a.tag.clear(), a.store && a.store.clear(), a.document || a.reg.clear());
 };
-function tb(a, c, b) {
+function rb(a, c, b) {
   const e = a.value;
   let d, f = 0;
   for (let g = 0, k; g < e.length; g++) {
@@ -2504,17 +2487,17 @@ t.remove = function(a) {
   return Promise.all([this.transaction("map", "readwrite", function(c) {
     c.openCursor().onsuccess = function() {
       const b = this.result;
-      b && tb(b, a);
+      b && rb(b, a);
     };
   }), this.transaction("ctx", "readwrite", function(c) {
     c.openCursor().onsuccess = function() {
       const b = this.result;
-      b && tb(b, a);
+      b && rb(b, a);
     };
   }), this.transaction("tag", "readwrite", function(c) {
     c.openCursor().onsuccess = function() {
       const b = this.result;
-      b && tb(b, a, !0);
+      b && rb(b, a, !0);
     };
   }), this.transaction("reg", "readwrite", function(c) {
     for (let b = 0; b < a.length; b++) {
@@ -2533,6 +2516,6 @@ function Z(a, c) {
     a = null;
   });
 }
-;export default {Index:N, Charset:eb, Encoder:ka, Document:U, Worker:P, Resolver:W, IndexedDB:sb, Language:{}};
+;export default {Index:N, Charset:cb, Encoder:ja, Document:U, Worker:P, Resolver:W, IndexedDB:pb, Language:{}};
 
-export const Index=N;export const  Charset=eb;export const  Encoder=ka;export const  Document=U;export const  Worker=P;export const  Resolver=W;export const  IndexedDB=sb;export const  Language={};
\ No newline at end of file
+export const Index=N;export const  Charset=cb;export const  Encoder=ja;export const  Document=U;export const  Worker=P;export const  Resolver=W;export const  IndexedDB=pb;export const  Language={};
\ No newline at end of file
diff --git a/dist/flexsearch.bundle.module.min.js b/dist/flexsearch.bundle.module.min.js
index 763c377..6b2f473 100644
--- a/dist/flexsearch.bundle.module.min.js
+++ b/dist/flexsearch.bundle.module.min.js
@@ -1,95 +1,89 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle/Module)
+ * FlexSearch.js v0.8.143 (Bundle/Module)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
  * https://github.com/nextapps-de/flexsearch
  */
 var t;function z(a,c,b){const e=typeof b,d=typeof a;if("undefined"!==e){if("undefined"!==d){if(b){if("function"===d&&e===d)return function(h){return a(b(h))};c=a.constructor;if(c===b.constructor){if(c===Array)return b.concat(a);if(c===Map){var f=new Map(b);for(var g of a)f.set(g[0],g[1]);return f}if(c===Set){g=new Set(b);for(f of a.values())g.add(f);return g}}}return a}return b}return"undefined"===d?c:a}function B(){return Object.create(null)}function E(a){return"string"===typeof a}
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-"u"],["\u00fc","u"],["\u00fd","y"],["\u00ff","y"],["\u0101","a"],["\u0103","a"],["\u0105","a"],["\u0107","c"],["\u0109","c"],["\u010b","c"],["\u010d","c"],["\u010f","d"],["\u0113","e"],["\u0115","e"],["\u0117","e"],["\u0119","e"],["\u011b","e"],["\u011d","g"],["\u011f","g"],["\u0121","g"],["\u0123","g"],["\u0125","h"],["\u0129","i"],["\u012b","i"],["\u012d","i"],["\u012f","i"],["\u0133","ij"],["\u0135","j"],["\u0137","k"],["\u013a","l"],["\u013c","l"],["\u013e","l"],["\u0140","l"],["\u0144","n"],
-["\u0146","n"],["\u0148","n"],["\u0149","n"],["\u014d","o"],["\u014f","o"],["\u0151","o"],["\u0155","r"],["\u0157","r"],["\u0159","r"],["\u015b","s"],["\u015d","s"],["\u015f","s"],["\u0161","s"],["\u0163","t"],["\u0165","t"],["\u0169","u"],["\u016b","u"],["\u016d","u"],["\u016f","u"],["\u0171","u"],["\u0173","u"],["\u0175","w"],["\u0177","y"],["\u017a","z"],["\u017c","z"],["\u017e","z"],["\u017f","s"],["\u01a1","o"],["\u01b0","u"],["\u01c6","dz"],["\u01c9","lj"],["\u01cc","nj"],["\u01ce","a"],["\u01d0",
-"i"],["\u01d2","o"],["\u01d4","u"],["\u01d6","u"],["\u01d8","u"],["\u01da","u"],["\u01dc","u"],["\u01df","a"],["\u01e1","a"],["\u01e3","ae"],["\u00e6","ae"],["\u01fd","ae"],["\u01e7","g"],["\u01e9","k"],["\u01eb","o"],["\u01ed","o"],["\u01ef","\u0292"],["\u01f0","j"],["\u01f3","dz"],["\u01f5","g"],["\u01f9","n"],["\u01fb","a"],["\u01ff","\u00f8"],["\u0201","a"],["\u0203","a"],["\u0205","e"],["\u0207","e"],["\u0209","i"],["\u020b","i"],["\u020d","o"],["\u020f","o"],["\u0211","r"],["\u0213","r"],["\u0215",
-"u"],["\u0217","u"],["\u0219","s"],["\u021b","t"],["\u021f","h"],["\u0227","a"],["\u0229","e"],["\u022b","o"],["\u022d","o"],["\u022f","o"],["\u0231","o"],["\u0233","y"],["\u02b0","h"],["\u02b1","h"],["\u0266","h"],["\u02b2","j"],["\u02b3","r"],["\u02b4","\u0279"],["\u02b5","\u027b"],["\u02b6","\u0281"],["\u02b7","w"],["\u02b8","y"],["\u02e0","\u0263"],["\u02e1","l"],["\u02e2","s"],["\u02e3","x"],["\u02e4","\u0295"],["\u0390","\u03b9"],["\u03ac","\u03b1"],["\u03ad","\u03b5"],["\u03ae","\u03b7"],["\u03af",
-"\u03b9"],["\u03b0","\u03c5"],["\u03ca","\u03b9"],["\u03cb","\u03c5"],["\u03cc","\u03bf"],["\u03cd","\u03c5"],["\u03ce","\u03c9"],["\u03d0","\u03b2"],["\u03d1","\u03b8"],["\u03d2","\u03a5"],["\u03d3","\u03a5"],["\u03d4","\u03a5"],["\u03d5","\u03c6"],["\u03d6","\u03c0"],["\u03f0","\u03ba"],["\u03f1","\u03c1"],["\u03f2","\u03c2"],["\u03f5","\u03b5"],["\u0439","\u0438"],["\u0450","\u0435"],["\u0451","\u0435"],["\u0453","\u0433"],["\u0457","\u0456"],["\u045c","\u043a"],["\u045d","\u0438"],["\u045e","\u0443"],
-["\u0477","\u0475"],["\u04c2","\u0436"],["\u04d1","\u0430"],["\u04d3","\u0430"],["\u04d7","\u0435"],["\u04db","\u04d9"],["\u04dd","\u0436"],["\u04df","\u0437"],["\u04e3","\u0438"],["\u04e5","\u0438"],["\u04e7","\u043e"],["\u04eb","\u04e9"],["\u04ed","\u044d"],["\u04ef","\u0443"],["\u04f1","\u0443"],["\u04f3","\u0443"],["\u04f5","\u0447"]];const ea=/[^\p{L}\p{N}]+/u,fa=/(\d{3})/g,ha=/(\D)(\d{3})/g,ia=/(\d{3})(\D)/g,ja="".normalize&&/[\u0300-\u036f]/g;function J(a={}){if(!this||this.constructor!==J)return new J(...arguments);if(arguments.length)for(a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}t=J.prototype;
+function I(a){return"object"===typeof a}function aa(a){const c=[];for(const b of a.keys())c.push(b);return c}function ba(a,c){if(E(c))a=a[c];else for(let b=0;a&&b<c.length;b++)a=a[c[b]];return a}function ca(a){let c=0;for(let b=0,e;b<a.length;b++)(e=a[b])&&c<e.length&&(c=e.length);return c};const da=/[^\p{L}\p{N}]+/u,ea=/(\d{3})/g,fa=/(\D)(\d{3})/g,ha=/(\d{3})(\D)/g,ia=/[\u0300-\u036f]/g;function J(a={}){if(!this||this.constructor!==J)return new J(...arguments);if(arguments.length)for(a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}t=J.prototype;
 t.assign=function(a){this.normalize=z(a.normalize,!0,this.normalize);let c=a.include,b=c||a.exclude||a.split,e;if(b||""===b){if("object"===typeof b&&b.constructor!==RegExp){let d="";e=!c;c||(d+="\\p{Z}");b.letter&&(d+="\\p{L}");b.number&&(d+="\\p{N}",e=!!c);b.symbol&&(d+="\\p{S}");b.punctuation&&(d+="\\p{P}");b.control&&(d+="\\p{C}");if(b=b.char)d+="object"===typeof b?b.join(""):b;try{this.split=new RegExp("["+(c?"^":"")+d+"]+","u")}catch(f){this.split=/\s+/}}else this.split=b,e=!1===b||2>"a1a".split(b).length;
-this.numeric=z(a.numeric,e)}else{try{this.split=z(this.split,ea)}catch(d){this.split=/\s+/}this.numeric=z(a.numeric,z(this.numeric,!0))}this.prepare=z(a.prepare,null,this.prepare);this.finalize=z(a.finalize,null,this.finalize);ja||(this.mapper=new Map(da));b=a.filter;this.filter="function"===typeof b?b:z(b&&new Set(b),null,this.filter);this.dedupe=z(a.dedupe,!1,this.dedupe);this.matcher=z((b=a.matcher)&&new Map(b),null,this.matcher);this.mapper=z((b=a.mapper)&&new Map(b),null,this.mapper);this.stemmer=
-z((b=a.stemmer)&&new Map(b),null,this.stemmer);this.replacer=z(a.replacer,null,this.replacer);this.minlength=z(a.minlength,1,this.minlength);this.maxlength=z(a.maxlength,0,this.maxlength);this.rtl=z(a.rtl,!1,this.rtl);if(this.cache=b=z(a.cache,!0,this.cache))this.H=null,this.S="number"===typeof b?b:2E5,this.B=new Map,this.G=new Map,this.L=this.K=128;this.h="";this.M=null;this.A="";this.N=null;if(this.matcher)for(const d of this.matcher.keys())this.h+=(this.h?"|":"")+d;if(this.stemmer)for(const d of this.stemmer.keys())this.A+=
+this.numeric=z(a.numeric,e)}else{try{this.split=z(this.split,da)}catch(d){this.split=/\s+/}this.numeric=z(a.numeric,z(this.numeric,!0))}this.prepare=z(a.prepare,null,this.prepare);this.finalize=z(a.finalize,null,this.finalize);b=a.filter;this.filter="function"===typeof b?b:z(b&&new Set(b),null,this.filter);this.dedupe=z(a.dedupe,!1,this.dedupe);this.matcher=z((b=a.matcher)&&new Map(b),null,this.matcher);this.mapper=z((b=a.mapper)&&new Map(b),null,this.mapper);this.stemmer=z((b=a.stemmer)&&new Map(b),
+null,this.stemmer);this.replacer=z(a.replacer,null,this.replacer);this.minlength=z(a.minlength,1,this.minlength);this.maxlength=z(a.maxlength,0,this.maxlength);this.rtl=z(a.rtl,!1,this.rtl);if(this.cache=b=z(a.cache,!0,this.cache))this.H=null,this.S="number"===typeof b?b:2E5,this.B=new Map,this.G=new Map,this.L=this.K=128;this.h="";this.M=null;this.A="";this.N=null;if(this.matcher)for(const d of this.matcher.keys())this.h+=(this.h?"|":"")+d;if(this.stemmer)for(const d of this.stemmer.keys())this.A+=
 (this.A?"|":"")+d;return this};t.addStemmer=function(a,c){this.stemmer||(this.stemmer=new Map);this.stemmer.set(a,c);this.A+=(this.A?"|":"")+a;this.N=null;this.cache&&K(this);return this};t.addFilter=function(a){"function"===typeof a?this.filter=a:(this.filter||(this.filter=new Set),this.filter.add(a));this.cache&&K(this);return this};
 t.addMapper=function(a,c){if("object"===typeof a)return this.addReplacer(a,c);if(1<a.length)return this.addMatcher(a,c);this.mapper||(this.mapper=new Map);this.mapper.set(a,c);this.cache&&K(this);return this};t.addMatcher=function(a,c){if("object"===typeof a)return this.addReplacer(a,c);if(2>a.length&&(this.dedupe||this.mapper))return this.addMapper(a,c);this.matcher||(this.matcher=new Map);this.matcher.set(a,c);this.h+=(this.h?"|":"")+a;this.M=null;this.cache&&K(this);return this};
 t.addReplacer=function(a,c){if("string"===typeof a)return this.addMatcher(a,c);this.replacer||(this.replacer=[]);this.replacer.push(a,c);this.cache&&K(this);return this};
-t.encode=function(a){if(this.cache&&a.length<=this.K)if(this.H){if(this.B.has(a))return this.B.get(a)}else this.H=setTimeout(K,50,this);this.normalize&&("function"===typeof this.normalize?a=this.normalize(a):a=ja?a.normalize("NFKD").replace(ja,"").toLowerCase():a.toLowerCase());this.prepare&&(a=this.prepare(a));this.numeric&&3<a.length&&(a=a.replace(ha,"$1 $2").replace(ia,"$1 $2").replace(fa,"$1 "));const c=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let b=
+t.encode=function(a){if(this.cache&&a.length<=this.K)if(this.H){if(this.B.has(a))return this.B.get(a)}else this.H=setTimeout(K,50,this);this.normalize&&("function"===typeof this.normalize?a=this.normalize(a):a=ia?a.normalize("NFKD").replace(ia,"").toLowerCase():a.toLowerCase());this.prepare&&(a=this.prepare(a));this.numeric&&3<a.length&&(a=a.replace(fa,"$1 $2").replace(ha,"$1 $2").replace(ea,"$1 "));const c=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let b=
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-function na(a){this[a+"Async"]=function(){const c=arguments;var b=c[c.length-1];let e;"function"===typeof b&&(e=b,delete c[c.length-1]);oa?qa||(qa=Date.now()-pa>=this.priority*this.priority*3):(oa=setTimeout(ra,0),pa=Date.now());if(qa){const f=this;return new Promise(g=>{setTimeout(function(){g(f[a+"Async"].apply(f,c))},0)})}const d=this[a].apply(this,c);b=d.then?d:new Promise(f=>f(d));e&&b.then(e);return b}};let O=0;
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+!e.length&&(m=this.resolution,v="",u=-1,r=B())}return kb(e,m,c,h,g,n,k)};function kb(a,c,b,e,d,f,g){let h=a.length,k=a;if(1<h)k=Fa(a,c,b,e,d,f,g);else if(1===h)return g?Ia.call(null,a[0],b,e):new W(a[0]);return g?k:new W(k)}function hb(a,c,b,e,d,f,g){a=ib(this,a,c,b,e,d,f,g);return this.db?a.then(function(h){return d?h||[]:new W(h)}):a&&a.length?d?Ia.call(this,a,b,e):new W(a):d?[]:new W}
+function jb(a,c,b,e){let d=[];if(a&&a.length){if(a.length<=e){c.push(a);return}for(let f=0,g;f<e;f++)if(g=a[f])d[f]=g;if(d.length){c.push(d);return}}if(!b)return d}function ib(a,c,b,e,d,f,g,h){let k;b&&(k=a.bidirectional&&c>b)&&(k=b,b=c,c=k);if(a.db)return a.db.get(c,b,e,d,f,g,h);a=b?(a=a.ctx.get(b))&&a.get(c):a.map.get(c);return a};N.prototype.remove=function(a,c){const b=this.reg.size&&(this.fastupdate?this.reg.get(a):this.reg.has(a));if(b){if(this.fastupdate)for(let e=0,d;e<b.length;e++){if(d=b[e])if(2>d.length)d.pop();else{const f=d.indexOf(a);f===b.length-1?d.pop():d.splice(f,1)}}else lb(this.map,a),this.depth&&lb(this.ctx,a);c||this.reg.delete(a)}this.db&&(this.commit_task.push({del:a}),this.T&&gb(this));this.cache&&this.cache.remove(a);return this};
+function lb(a,c){let b=0;if(a.constructor===Array)for(let e=0,d,f;e<a.length;e++){if((d=a[e])&&d.length)if(f=d.indexOf(c),0<=f){1<d.length?(d.splice(f,1),b++):delete a[e];break}else b++}else for(let e of a.entries()){const d=e[0],f=lb(e[1],c);f?b+=f:a.delete(d)}return b};function N(a,c){if(!this||this.constructor!==N)return new N(a);if(a){var b=E(a)?a:a.preset;b&&(a=Object.assign({},db[b],a))}else a={};b=a.context;const e=!0===b?{depth:1}:b||{},d=E(a.encoder)?cb[a.encoder]:a.encode||a.encoder||Xa;this.encoder=d.encode?d:"object"===typeof d?new J(d):{encode:d};this.resolution=a.resolution||9;this.tokenize=b=(b=a.tokenize)&&"default"!==b&&"exact"!==b&&b||"strict";this.depth="strict"===b&&e.depth||0;this.bidirectional=!1!==e.bidirectional;this.fastupdate=!!a.fastupdate;
+this.score=a.score||null;(b=a.keystore||0)&&(this.keystore=b);this.map=b?new S(b):new Map;this.ctx=b?new S(b):new Map;this.reg=c||(this.fastupdate?b?new S(b):new Map:b?new T(b):new Set);this.U=e.resolution||3;this.rtl=d.rtl||a.rtl||!1;this.cache=(b=a.cache||null)&&new X(b);this.resolve=!1!==a.resolve;if(b=a.db)this.db=this.mount(b);this.T=!1!==a.commit;this.commit_task=[];this.commit_timer=null;this.priority=a.priority||4}t=N.prototype;
+t.mount=function(a){this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null);return a.mount(this)};t.commit=function(a,c){this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null);return this.db.commit(this,a,c)};t.destroy=function(){this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null);return this.db.destroy()};function gb(a){a.commit_timer||(a.commit_timer=setTimeout(function(){a.commit_timer=null;a.db.commit(a,void 0,void 0)},1))}
 t.clear=function(){this.map.clear();this.ctx.clear();this.reg.clear();this.cache&&this.cache.clear();this.db&&(this.commit_timer&&clearTimeout(this.commit_timer),this.commit_timer=null,this.commit_task=[{clear:!0}]);return this};t.append=function(a,c){return this.add(a,c,!0)};t.contain=function(a){return this.db?this.db.has(a):this.reg.has(a)};t.update=function(a,c){const b=this,e=this.remove(a);return e&&e.then?e.then(()=>b.add(a,c)):this.add(a,c)};
-function pb(a){let c=0;if(a.constructor===Array)for(let b=0,e;b<a.length;b++)(e=a[b])&&(c+=e.length);else for(const b of a.entries()){const e=b[0],d=pb(b[1]);d?c+=d:a.delete(e)}return c}t.cleanup=function(){if(!this.fastupdate)return this;pb(this.map);this.depth&&pb(this.ctx);return this};t.searchCache=Wa;
-t.export=function(a,c,b=0,e=0){let d,f;switch(e){case 0:d="reg";f=xa(this.reg);break;case 1:d="cfg";f=null;break;case 2:d="map";f=ta(this.map,this.reg.size);break;case 3:d="ctx";f=va(this.ctx,this.reg.size);break;default:return}return za.call(this,a,c,d,f,b,e)};
-t.import=function(a,c){if(c)switch("string"===typeof c&&(c=JSON.parse(c)),a=a.split("."),"json"===a[a.length-1]&&a.pop(),3===a.length&&a.shift(),a=1<a.length?a[1]:a[0],a){case "reg":this.fastupdate=!1;this.reg=ya(c,this.reg);break;case "map":this.map=ua(c,this.map);break;case "ctx":this.ctx=wa(c,this.ctx)}};
-t.serialize=function(a=!0){let c="",b="",e="";if(this.reg.size){let f;for(var d of this.reg.keys())f||(f=typeof d),c+=(c?",":"")+("string"===f?'"'+d+'"':d);c="index.reg=new Set(["+c+"]);";b=Aa(this.map,f);b="index.map=new Map(["+b+"]);";for(const g of this.ctx.entries()){d=g[0];let h=Aa(g[1],f);h="new Map(["+h+"])";h='["'+d+'",'+h+"]";e+=(e?",":"")+h}e="index.ctx=new Map(["+e+"]);"}return a?"function inject(index){"+c+b+e+"}":c+b+e};ma(N.prototype);const qb="undefined"!==typeof window&&(window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB),rb=["map","ctx","tag","reg","cfg"],Y=B();
-function sb(a,c={}){if(!this)return new sb(a,c);"object"===typeof a&&(c=a,a=a.name);a||console.info("Default storage space was used, because a name was not passed.");this.id="flexsearch"+(a?":"+a.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"");this.field=c.field?c.field.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"";this.type=c.type;this.fastupdate=this.support_tag_search=!1;this.db=null;this.h={}}t=sb.prototype;t.mount=function(a){if(!a.encoder)return a.mount(this);a.db=this;return this.open()};
-t.open=function(){if(this.db)return this.db;let a=this;navigator.storage&&navigator.storage.persist();Y[a.id]||(Y[a.id]=[]);Y[a.id].push(a.field);const c=qb.open(a.id,1);c.onupgradeneeded=function(){const b=a.db=this.result;for(let e=0,d;e<rb.length;e++){d=rb[e];for(let f=0,g;f<Y[a.id].length;f++)g=Y[a.id][f],b.objectStoreNames.contains(d+("reg"!==d?g?":"+g:"":""))||b.createObjectStore(d+("reg"!==d?g?":"+g:"":""))}};return a.db=Z(c,function(b){a.db=b;a.db.onversionchange=function(){a.close()}})};
-t.close=function(){this.db&&this.db.close();this.db=null};t.destroy=function(){const a=qb.deleteDatabase(this.id);return Z(a)};t.clear=function(){const a=[];for(let b=0,e;b<rb.length;b++){e=rb[b];for(let d=0,f;d<Y[this.id].length;d++)f=Y[this.id][d],a.push(e+("reg"!==e?f?":"+f:"":""))}const c=this.db.transaction(a,"readwrite");for(let b=0;b<a.length;b++)c.objectStore(a[b]).clear();return Z(c)};
+function mb(a){let c=0;if(a.constructor===Array)for(let b=0,e;b<a.length;b++)(e=a[b])&&(c+=e.length);else for(const b of a.entries()){const e=b[0],d=mb(b[1]);d?c+=d:a.delete(e)}return c}t.cleanup=function(){if(!this.fastupdate)return this;mb(this.map);this.depth&&mb(this.ctx);return this};t.searchCache=Va;
+t.export=function(a,c,b=0,e=0){let d,f;switch(e){case 0:d="reg";f=wa(this.reg);break;case 1:d="cfg";f=null;break;case 2:d="map";f=sa(this.map,this.reg.size);break;case 3:d="ctx";f=ua(this.ctx,this.reg.size);break;default:return}return ya.call(this,a,c,d,f,b,e)};
+t.import=function(a,c){if(c)switch("string"===typeof c&&(c=JSON.parse(c)),a=a.split("."),"json"===a[a.length-1]&&a.pop(),3===a.length&&a.shift(),a=1<a.length?a[1]:a[0],a){case "reg":this.fastupdate=!1;this.reg=xa(c,this.reg);break;case "map":this.map=ta(c,this.map);break;case "ctx":this.ctx=va(c,this.ctx)}};
+t.serialize=function(a=!0){let c="",b="",e="";if(this.reg.size){let f;for(var d of this.reg.keys())f||(f=typeof d),c+=(c?",":"")+("string"===f?'"'+d+'"':d);c="index.reg=new Set(["+c+"]);";b=za(this.map,f);b="index.map=new Map(["+b+"]);";for(const g of this.ctx.entries()){d=g[0];let h=za(g[1],f);h="new Map(["+h+"])";h='["'+d+'",'+h+"]";e+=(e?",":"")+h}e="index.ctx=new Map(["+e+"]);"}return a?"function inject(index){"+c+b+e+"}":c+b+e};la(N.prototype);const nb="undefined"!==typeof window&&(window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB),ob=["map","ctx","tag","reg","cfg"],Y=B();
+function qb(a,c={}){if(!this)return new qb(a,c);"object"===typeof a&&(c=a,a=a.name);a||console.info("Default storage space was used, because a name was not passed.");this.id="flexsearch"+(a?":"+a.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"");this.field=c.field?c.field.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"";this.type=c.type;this.fastupdate=this.support_tag_search=!1;this.db=null;this.h={}}t=qb.prototype;t.mount=function(a){if(!a.encoder)return a.mount(this);a.db=this;return this.open()};
+t.open=function(){if(this.db)return this.db;let a=this;navigator.storage&&navigator.storage.persist();Y[a.id]||(Y[a.id]=[]);Y[a.id].push(a.field);const c=nb.open(a.id,1);c.onupgradeneeded=function(){const b=a.db=this.result;for(let e=0,d;e<ob.length;e++){d=ob[e];for(let f=0,g;f<Y[a.id].length;f++)g=Y[a.id][f],b.objectStoreNames.contains(d+("reg"!==d?g?":"+g:"":""))||b.createObjectStore(d+("reg"!==d?g?":"+g:"":""))}};return a.db=Z(c,function(b){a.db=b;a.db.onversionchange=function(){a.close()}})};
+t.close=function(){this.db&&this.db.close();this.db=null};t.destroy=function(){const a=nb.deleteDatabase(this.id);return Z(a)};t.clear=function(){const a=[];for(let b=0,e;b<ob.length;b++){e=ob[b];for(let d=0,f;d<Y[this.id].length;d++)f=Y[this.id][d],a.push(e+("reg"!==e?f?":"+f:"":""))}const c=this.db.transaction(a,"readwrite");for(let b=0;b<a.length;b++)c.objectStore(a[b]).clear();return Z(c)};
 t.get=function(a,c,b=0,e=0,d=!0,f=!1){a=this.db.transaction((c?"ctx":"map")+(this.field?":"+this.field:""),"readonly").objectStore((c?"ctx":"map")+(this.field?":"+this.field:"")).get(c?c+":"+a:a);const g=this;return Z(a).then(function(h){let k=[];if(!h||!h.length)return k;if(d){if(!b&&!e&&1===h.length)return h[0];for(let l=0,n;l<h.length;l++)if((n=h[l])&&n.length){if(e>=n.length){e-=n.length;continue}const m=b?e+Math.min(n.length-e,b):n.length;for(let q=e;q<m;q++)k.push(n[q]);e=0;if(k.length===b)break}return f?
 g.enrich(k):k}return h})};t.tag=function(a,c=0,b=0,e=!1){a=this.db.transaction("tag"+(this.field?":"+this.field:""),"readonly").objectStore("tag"+(this.field?":"+this.field:"")).get(a);const d=this;return Z(a).then(function(f){if(!f||!f.length||b>=f.length)return[];if(!c&&!b)return f;f=f.slice(b,b+c);return e?d.enrich(f):f})};
 t.enrich=function(a){"object"!==typeof a&&(a=[a]);const c=this.db.transaction("reg","readonly").objectStore("reg"),b=[];for(let e=0;e<a.length;e++)b[e]=Z(c.get(a[e]));return Promise.all(b).then(function(e){for(let d=0;d<e.length;d++)e[d]={id:a[d],doc:e[d]?JSON.parse(e[d]):null};return e})};t.has=function(a){a=this.db.transaction("reg","readonly").objectStore("reg").getKey(a);return Z(a).then(function(c){return!!c})};t.search=null;t.info=function(){};
@@ -97,7 +91,7 @@ t.transaction=function(a,c,b){a+="reg"!==a?this.field?":"+this.field:"":"";let e
 t.commit=async function(a,c,b){if(c)await this.clear(),a.commit_task=[];else{let e=a.commit_task;a.commit_task=[];for(let d=0,f;d<e.length;d++)if(f=e[d],f.clear){await this.clear();c=!0;break}else e[d]=f.del;c||(b||(e=e.concat(aa(a.reg))),e.length&&await this.remove(e))}a.reg.size&&(await this.transaction("map","readwrite",function(e){for(const d of a.map){const f=d[0],g=d[1];g.length&&(c?e.put(g,f):e.get(f).onsuccess=function(){let h=this.result;var k;if(h&&h.length){const l=Math.max(h.length,g.length);
 for(let n=0,m,q;n<l;n++)if((q=g[n])&&q.length){if((m=h[n])&&m.length)for(k=0;k<q.length;k++)m.push(q[k]);else h[n]=q;k=1}}else h=g,k=1;k&&e.put(h,f)})}}),await this.transaction("ctx","readwrite",function(e){for(const d of a.ctx){const f=d[0],g=d[1];for(const h of g){const k=h[0],l=h[1];l.length&&(c?e.put(l,f+":"+k):e.get(f+":"+k).onsuccess=function(){let n=this.result;var m;if(n&&n.length){const q=Math.max(n.length,l.length);for(let p=0,r,u;p<q;p++)if((u=l[p])&&u.length){if((r=n[p])&&r.length)for(m=
 0;m<u.length;m++)r.push(u[m]);else n[p]=u;m=1}}else n=l,m=1;m&&e.put(n,f+":"+k)})}}}),a.store?await this.transaction("reg","readwrite",function(e){for(const d of a.store){const f=d[0],g=d[1];e.put("object"===typeof g?JSON.stringify(g):1,f)}}):a.bypass||await this.transaction("reg","readwrite",function(e){for(const d of a.reg.keys())e.put(1,d)}),a.tag&&await this.transaction("tag","readwrite",function(e){for(const d of a.tag){const f=d[0],g=d[1];g.length&&(e.get(f).onsuccess=function(){let h=this.result;
-h=h&&h.length?h.concat(g):g;e.put(h,f)})}}),a.map.clear(),a.ctx.clear(),a.tag&&a.tag.clear(),a.store&&a.store.clear(),a.document||a.reg.clear())};function tb(a,c,b){const e=a.value;let d,f=0;for(let g=0,h;g<e.length;g++){if(h=b?e:e[g]){for(let k=0,l,n;k<c.length;k++)if(n=c[k],l=h.indexOf(n),0<=l)if(d=1,1<h.length)h.splice(l,1);else{e[g]=[];break}f+=h.length}if(b)break}f?d&&a.update(e):a.delete();a.continue()}
-t.remove=function(a){"object"!==typeof a&&(a=[a]);return Promise.all([this.transaction("map","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&tb(b,a)}}),this.transaction("ctx","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&tb(b,a)}}),this.transaction("tag","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&tb(b,a,!0)}}),this.transaction("reg","readwrite",function(c){for(let b=0;b<a.length;b++)c.delete(a[b])})])};
-function Z(a,c){return new Promise((b,e)=>{a.onsuccess=a.oncomplete=function(){c&&c(this.result);c=null;b(this.result)};a.onerror=a.onblocked=e;a=null})};export default {Index:N,Charset:eb,Encoder:J,Document:U,Worker:P,Resolver:W,IndexedDB:sb,Language:{}};
-export const Index=N;export const Charset=eb;export const Encoder=J;export const Document=U;export const Worker=P;export const Resolver=W;export const IndexedDB=sb;export const Language={};
\ No newline at end of file
+h=h&&h.length?h.concat(g):g;e.put(h,f)})}}),a.map.clear(),a.ctx.clear(),a.tag&&a.tag.clear(),a.store&&a.store.clear(),a.document||a.reg.clear())};function rb(a,c,b){const e=a.value;let d,f=0;for(let g=0,h;g<e.length;g++){if(h=b?e:e[g]){for(let k=0,l,n;k<c.length;k++)if(n=c[k],l=h.indexOf(n),0<=l)if(d=1,1<h.length)h.splice(l,1);else{e[g]=[];break}f+=h.length}if(b)break}f?d&&a.update(e):a.delete();a.continue()}
+t.remove=function(a){"object"!==typeof a&&(a=[a]);return Promise.all([this.transaction("map","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&rb(b,a)}}),this.transaction("ctx","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&rb(b,a)}}),this.transaction("tag","readwrite",function(c){c.openCursor().onsuccess=function(){const b=this.result;b&&rb(b,a,!0)}}),this.transaction("reg","readwrite",function(c){for(let b=0;b<a.length;b++)c.delete(a[b])})])};
+function Z(a,c){return new Promise((b,e)=>{a.onsuccess=a.oncomplete=function(){c&&c(this.result);c=null;b(this.result)};a.onerror=a.onblocked=e;a=null})};export default {Index:N,Charset:cb,Encoder:J,Document:U,Worker:P,Resolver:W,IndexedDB:qb,Language:{}};
+export const Index=N;export const Charset=cb;export const Encoder=J;export const Document=U;export const Worker=P;export const Resolver=W;export const IndexedDB=qb;export const Language={};
\ No newline at end of file
diff --git a/dist/flexsearch.compact.debug.js b/dist/flexsearch.compact.debug.js
index 6d82e68..68ac6e1 100644
--- a/dist/flexsearch.compact.debug.js
+++ b/dist/flexsearch.compact.debug.js
@@ -1,5 +1,5 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle/Debug)
+ * FlexSearch.js v0.8.143 (Bundle/Debug)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
@@ -70,15 +70,7 @@ function aa(a) {
   }
   return c;
 }
-;var ba = [["\u00aa", "a"], ["\u00b2", "2"], ["\u00b3", "3"], ["\u00b9", "1"], ["\u00ba", "o"], ["\u00bc", "1\u20444"], ["\u00bd", "1\u20442"], ["\u00be", "3\u20444"], ["\u00e0", "a"], ["\u00e1", "a"], ["\u00e2", "a"], ["\u00e3", "a"], ["\u00e4", "a"], ["\u00e5", "a"], ["\u00e7", "c"], ["\u00e8", "e"], ["\u00e9", "e"], ["\u00ea", "e"], ["\u00eb", "e"], ["\u00ec", "i"], ["\u00ed", "i"], ["\u00ee", "i"], ["\u00ef", "i"], ["\u00f1", "n"], ["\u00f2", "o"], ["\u00f3", "o"], ["\u00f4", "o"], ["\u00f5", 
-"o"], ["\u00f6", "o"], ["\u00f9", "u"], ["\u00fa", "u"], ["\u00fb", "u"], ["\u00fc", "u"], ["\u00fd", "y"], ["\u00ff", "y"], ["\u0101", "a"], ["\u0103", "a"], ["\u0105", "a"], ["\u0107", "c"], ["\u0109", "c"], ["\u010b", "c"], ["\u010d", "c"], ["\u010f", "d"], ["\u0113", "e"], ["\u0115", "e"], ["\u0117", "e"], ["\u0119", "e"], ["\u011b", "e"], ["\u011d", "g"], ["\u011f", "g"], ["\u0121", "g"], ["\u0123", "g"], ["\u0125", "h"], ["\u0129", "i"], ["\u012b", "i"], ["\u012d", "i"], ["\u012f", "i"], ["\u0133", 
-"ij"], ["\u0135", "j"], ["\u0137", "k"], ["\u013a", "l"], ["\u013c", "l"], ["\u013e", "l"], ["\u0140", "l"], ["\u0144", "n"], ["\u0146", "n"], ["\u0148", "n"], ["\u0149", "n"], ["\u014d", "o"], ["\u014f", "o"], ["\u0151", "o"], ["\u0155", "r"], ["\u0157", "r"], ["\u0159", "r"], ["\u015b", "s"], ["\u015d", "s"], ["\u015f", "s"], ["\u0161", "s"], ["\u0163", "t"], ["\u0165", "t"], ["\u0169", "u"], ["\u016b", "u"], ["\u016d", "u"], ["\u016f", "u"], ["\u0171", "u"], ["\u0173", "u"], ["\u0175", "w"], ["\u0177", 
-"y"], ["\u017a", "z"], ["\u017c", "z"], ["\u017e", "z"], ["\u017f", "s"], ["\u01a1", "o"], ["\u01b0", "u"], ["\u01c6", "dz"], ["\u01c9", "lj"], ["\u01cc", "nj"], ["\u01ce", "a"], ["\u01d0", "i"], ["\u01d2", "o"], ["\u01d4", "u"], ["\u01d6", "u"], ["\u01d8", "u"], ["\u01da", "u"], ["\u01dc", "u"], ["\u01df", "a"], ["\u01e1", "a"], ["\u01e3", "ae"], ["\u00e6", "ae"], ["\u01fd", "ae"], ["\u01e7", "g"], ["\u01e9", "k"], ["\u01eb", "o"], ["\u01ed", "o"], ["\u01ef", "\u0292"], ["\u01f0", "j"], ["\u01f3", 
-"dz"], ["\u01f5", "g"], ["\u01f9", "n"], ["\u01fb", "a"], ["\u01ff", "\u00f8"], ["\u0201", "a"], ["\u0203", "a"], ["\u0205", "e"], ["\u0207", "e"], ["\u0209", "i"], ["\u020b", "i"], ["\u020d", "o"], ["\u020f", "o"], ["\u0211", "r"], ["\u0213", "r"], ["\u0215", "u"], ["\u0217", "u"], ["\u0219", "s"], ["\u021b", "t"], ["\u021f", "h"], ["\u0227", "a"], ["\u0229", "e"], ["\u022b", "o"], ["\u022d", "o"], ["\u022f", "o"], ["\u0231", "o"], ["\u0233", "y"], ["\u02b0", "h"], ["\u02b1", "h"], ["\u0266", "h"], 
-["\u02b2", "j"], ["\u02b3", "r"], ["\u02b4", "\u0279"], ["\u02b5", "\u027b"], ["\u02b6", "\u0281"], ["\u02b7", "w"], ["\u02b8", "y"], ["\u02e0", "\u0263"], ["\u02e1", "l"], ["\u02e2", "s"], ["\u02e3", "x"], ["\u02e4", "\u0295"], ["\u0390", "\u03b9"], ["\u03ac", "\u03b1"], ["\u03ad", "\u03b5"], ["\u03ae", "\u03b7"], ["\u03af", "\u03b9"], ["\u03b0", "\u03c5"], ["\u03ca", "\u03b9"], ["\u03cb", "\u03c5"], ["\u03cc", "\u03bf"], ["\u03cd", "\u03c5"], ["\u03ce", "\u03c9"], ["\u03d0", "\u03b2"], ["\u03d1", 
-"\u03b8"], ["\u03d2", "\u03a5"], ["\u03d3", "\u03a5"], ["\u03d4", "\u03a5"], ["\u03d5", "\u03c6"], ["\u03d6", "\u03c0"], ["\u03f0", "\u03ba"], ["\u03f1", "\u03c1"], ["\u03f2", "\u03c2"], ["\u03f5", "\u03b5"], ["\u0439", "\u0438"], ["\u0450", "\u0435"], ["\u0451", "\u0435"], ["\u0453", "\u0433"], ["\u0457", "\u0456"], ["\u045c", "\u043a"], ["\u045d", "\u0438"], ["\u045e", "\u0443"], ["\u0477", "\u0475"], ["\u04c2", "\u0436"], ["\u04d1", "\u0430"], ["\u04d3", "\u0430"], ["\u04d7", "\u0435"], ["\u04db", 
-"\u04d9"], ["\u04dd", "\u0436"], ["\u04df", "\u0437"], ["\u04e3", "\u0438"], ["\u04e5", "\u0438"], ["\u04e7", "\u043e"], ["\u04eb", "\u04e9"], ["\u04ed", "\u044d"], ["\u04ef", "\u0443"], ["\u04f1", "\u0443"], ["\u04f3", "\u0443"], ["\u04f5", "\u0447"]];
-const ca = /[^\p{L}\p{N}]+/u, da = /(\d{3})/g, ea = /(\D)(\d{3})/g, fa = /(\d{3})(\D)/g, ha = "".normalize && /[\u0300-\u036f]/g;
+;const ba = /[^\p{L}\p{N}]+/u, ca = /(\d{3})/g, da = /(\D)(\d{3})/g, ea = /(\d{3})(\D)/g, fa = /[\u0300-\u036f]/g;
 function K(a = {}) {
   if (!this || this.constructor !== K) {
     return new K(...arguments);
@@ -119,7 +111,7 @@ x.assign = function(a) {
     this.numeric = B(a.numeric, e);
   } else {
     try {
-      this.split = B(this.split, ca);
+      this.split = B(this.split, ba);
     } catch (d) {
       console.warn("This platform does not support unicode regex. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
     }
@@ -127,7 +119,6 @@ x.assign = function(a) {
   }
   this.prepare = B(a.prepare, null, this.prepare);
   this.finalize = B(a.finalize, null, this.finalize);
-  ha || (this.mapper = new Map(ba));
   b = a.filter;
   this.filter = "function" === typeof b ? b : B(b && new Set(b), null, this.filter);
   this.dedupe = B(a.dedupe, !1, this.dedupe);
@@ -215,9 +206,9 @@ x.encode = function(a) {
       this.H = setTimeout(L, 50, this);
     }
   }
-  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = ha ? a.normalize("NFKD").replace(ha, "").toLowerCase() : a.toLowerCase());
+  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = fa ? a.normalize("NFKD").replace(fa, "").toLowerCase() : a.toLowerCase());
   this.prepare && (a = this.prepare(a));
-  this.numeric && 3 < a.length && (a = a.replace(ea, "$1 $2").replace(fa, "$1 $2").replace(da, "$1 "));
+  this.numeric && 3 < a.length && (a = a.replace(da, "$1 $2").replace(ea, "$1 $2").replace(ca, "$1 "));
   const c = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
   let b = [], e = this.split || "" === this.split ? a.split(this.split) : a;
   for (let f = 0, g, k; f < e.length; f++) {
@@ -267,7 +258,7 @@ function L(a) {
   a.G.clear();
 }
 ;let M, N;
-async function ia(a) {
+async function ha(a) {
   a = a.data;
   var c = a.task;
   const b = a.id;
@@ -297,16 +288,16 @@ async function ia(a) {
       postMessage("search" === c ? {id:b, msg:d} : {id:b});
   }
 }
-;function ja(a) {
+;function ia(a) {
   P.call(a, "add");
   P.call(a, "append");
   P.call(a, "search");
   P.call(a, "update");
   P.call(a, "remove");
 }
-let ka, la, Q;
-function ma() {
-  ka = Q = 0;
+let ja, ka, Q;
+function la() {
+  ja = Q = 0;
 }
 function P(a) {
   this[a + "Async"] = function() {
@@ -314,7 +305,7 @@ function P(a) {
     var b = c[c.length - 1];
     let e;
     "function" === typeof b && (e = b, delete c[c.length - 1]);
-    ka ? Q || (Q = Date.now() - la >= this.priority * this.priority * 3) : (ka = setTimeout(ma, 0), la = Date.now());
+    ja ? Q || (Q = Date.now() - ka >= this.priority * this.priority * 3) : (ja = setTimeout(la, 0), ka = Date.now());
     if (Q) {
       const f = this;
       return new Promise(g => {
@@ -360,7 +351,7 @@ function S(a = {}) {
   }
   let b = "undefined" !== typeof self ? self._factory : "undefined" !== typeof window ? window._factory : null;
   b && (b = b.toString());
-  const e = "undefined" === typeof window, d = this, f = na(b, e, a.worker);
+  const e = "undefined" === typeof window, d = this, f = ma(b, e, a.worker);
   return f.then ? f.then(function(g) {
     return c.call(d, g);
   }) : c.call(this, f);
@@ -373,7 +364,7 @@ T("remove");
 T("clear");
 T("export");
 T("import");
-ja(S.prototype);
+ia(S.prototype);
 function T(a) {
   S.prototype[a] = function() {
     const c = this, b = [].slice.call(arguments);
@@ -388,11 +379,11 @@ function T(a) {
     return d ? (e.then(d), this) : e;
   };
 }
-function na(a, c, b) {
-  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/node/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"]((1,eval)("import.meta.dirname")+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + ia.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : (0,eval)("import.meta.url").replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
+function ma(a, c, b) {
+  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/node/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"]((1,eval)("import.meta.dirname")+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + ha.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : (0,eval)("import.meta.url").replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
   "module/worker/worker.js"), {type:"module"});
 }
-;function oa(a, c = 0) {
+;function na(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 5000 | 0);
   for (const d of a.entries()) {
@@ -401,30 +392,30 @@ function na(a, c, b) {
   e.length && b.push(e);
   return b;
 }
-function pa(a, c) {
+function oa(a, c) {
   c || (c = new Map());
   for (let b = 0, e; b < a.length; b++) {
     e = a[b], c.set(e[0], e[1]);
   }
   return c;
 }
-function qa(a, c = 0) {
+function pa(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 1000 | 0);
   for (const d of a.entries()) {
-    e.push([d[0], oa(d[1])[0]]), e.length === c && (b.push(e), e = []);
+    e.push([d[0], na(d[1])[0]]), e.length === c && (b.push(e), e = []);
   }
   e.length && b.push(e);
   return b;
 }
-function ra(a, c) {
+function qa(a, c) {
   c || (c = new Map());
   for (let b = 0, e, d; b < a.length; b++) {
-    e = a[b], d = c.get(e[0]), c.set(e[0], pa(e[1], d));
+    e = a[b], d = c.get(e[0]), c.set(e[0], oa(e[1], d));
   }
   return c;
 }
-function sa(a) {
+function ra(a) {
   let c = [], b = [];
   for (const e of a.keys()) {
     b.push(e), 250000 === b.length && (c.push(b), b = []);
@@ -432,7 +423,7 @@ function sa(a) {
   b.length && c.push(b);
   return c;
 }
-function ta(a, c) {
+function sa(a, c) {
   c || (c = new Set());
   for (let b = 0; b < a.length; b++) {
     c.add(a[b]);
@@ -453,7 +444,7 @@ function U(a, c, b, e, d, f, g = 0) {
   }
   return U.call(this, a, c, b, k ? e : null, d, f, g + 1);
 }
-function ua(a, c) {
+function ta(a, c) {
   let b = "";
   for (const e of a.entries()) {
     a = e[0];
@@ -487,7 +478,7 @@ function ua(a, c) {
         d && e.add(a, d, !1, !0);
       } else {
         if (d = h.I, !d || d(c)) {
-          h.constructor === String ? h = ["" + h] : D(h) && (h = [h]), va(c, h, this.J, 0, e, a, h[0], b);
+          h.constructor === String ? h = ["" + h] : D(h) && (h = [h]), ua(c, h, this.J, 0, e, a, h[0], b);
         }
       }
     }
@@ -538,7 +529,7 @@ function ua(a, c) {
             k[l] = c[l];
             continue;
           }
-          wa(c, k, l, 0, l[0], m);
+          va(c, k, l, 0, l[0], m);
         }
       }
       this.store.set(a, k || c);
@@ -546,21 +537,21 @@ function ua(a, c) {
   }
   return this;
 };
-function wa(a, c, b, e, d, f) {
+function va(a, c, b, e, d, f) {
   a = a[d];
   if (e === b.length - 1) {
     c[d] = f || a;
   } else if (a) {
     if (a.constructor === Array) {
       for (c = c[d] = Array(a.length), d = 0; d < a.length; d++) {
-        wa(a, c, b, e, d);
+        va(a, c, b, e, d);
       }
     } else {
-      c = c[d] || (c[d] = C()), d = b[++e], wa(a, c, b, e, d);
+      c = c[d] || (c[d] = C()), d = b[++e], va(a, c, b, e, d);
     }
   }
 }
-function va(a, c, b, e, d, f, g, k) {
+function ua(a, c, b, e, d, f, g, k) {
   if (a = a[g]) {
     if (e === c.length - 1) {
       if (a.constructor === Array) {
@@ -576,15 +567,15 @@ function va(a, c, b, e, d, f, g, k) {
     } else {
       if (a.constructor === Array) {
         for (g = 0; g < a.length; g++) {
-          va(a, c, b, e, d, f, g, k);
+          ua(a, c, b, e, d, f, g, k);
         }
       } else {
-        g = c[++e], va(a, c, b, e, d, f, g, k);
+        g = c[++e], ua(a, c, b, e, d, f, g, k);
       }
     }
   }
 }
-;function xa(a, c, b, e, d) {
+;function wa(a, c, b, e, d) {
   const f = a.length;
   let g = [], k, h;
   k = C();
@@ -601,7 +592,7 @@ function va(a, c, b, e, d, f, g, k) {
   }
   if (a = g.length) {
     if (d) {
-      g = 1 < g.length ? ya(g, b, e) : (g = g[0]).length > b || e ? g.slice(e, b + e) : g;
+      g = 1 < g.length ? xa(g, b, e) : (g = g[0]).length > b || e ? g.slice(e, b + e) : g;
     } else {
       if (a < f) {
         return [];
@@ -616,7 +607,7 @@ function va(a, c, b, e, d, f, g, k) {
   }
   return g;
 }
-function ya(a, c, b) {
+function xa(a, c, b) {
   const e = [], d = C();
   let f;
   var g = a.length;
@@ -638,7 +629,7 @@ function ya(a, c, b) {
   }
   return e;
 }
-function za(a, c) {
+function ya(a, c) {
   const b = C(), e = [];
   for (let d = 0, f; d < c.length; d++) {
     f = c[d];
@@ -651,7 +642,7 @@ function za(a, c) {
   }
   return e;
 }
-;function Aa(a, c, b, e) {
+;function za(a, c, b, e) {
   if (!a.length) {
     return a;
   }
@@ -682,7 +673,7 @@ function za(a, c) {
   d = 1 < d.length ? [].concat.apply([], d) : d[0];
   return e ? W.call(this, d) : d;
 }
-;function Ba(a, c, b) {
+;function Aa(a, c, b) {
   var e = b[0];
   if (e.then) {
     return Promise.all(b).then(function(m) {
@@ -729,10 +720,10 @@ function za(a, c) {
   return {O:e, P:d, limit:f, offset:g, enrich:k, resolve:h, suggest:l};
 }
 ;X.prototype.or = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Ba(this, "or", arguments);
-  return Ca.call(this, a, c, b, e, d, f);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Aa(this, "or", arguments);
+  return Ba.call(this, a, c, b, e, d, f);
 };
-function Ca(a, c, b, e, d, f) {
+function Ba(a, c, b, e, d, f) {
   if (c.length) {
     const g = this;
     return Promise.all(c).then(function(k) {
@@ -740,10 +731,10 @@ function Ca(a, c, b, e, d, f) {
       for (let h = 0, l; h < k.length; h++) {
         (l = k[h]).length && (a[h] = l);
       }
-      return Ca.call(g, a, [], b, e, d, f);
+      return Ba.call(g, a, [], b, e, d, f);
     });
   }
-  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = ya(a, b, e), e = 0));
+  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = xa(a, b, e), e = 0));
   return f ? this.resolve(b, e, d) : this;
 }
 ;X.prototype.and = function() {
@@ -753,11 +744,40 @@ function Ca(a, c, b, e, d, f) {
     f && (a = !!f.suggest, d = f.resolve, c = f.limit, b = f.offset, e = f.enrich && d);
   }
   if (a) {
-    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:m, suggest:n} = Ba(this, "and", arguments);
-    return Da.call(this, f, g, k, h, l, m, n);
+    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:m, suggest:n} = Aa(this, "and", arguments);
+    return Ca.call(this, f, g, k, h, l, m, n);
   }
   return d ? this.resolve(c, b, e) : this;
 };
+function Ca(a, c, b, e, d, f, g) {
+  if (c.length) {
+    const k = this;
+    return Promise.all(c).then(function(h) {
+      a = [];
+      for (let l = 0, m; l < h.length; l++) {
+        (m = h[l]).length && (a[l] = m);
+      }
+      return Ca.call(k, a, [], b, e, d, f, g);
+    });
+  }
+  if (a.length) {
+    if (this.result.length && a.unshift(this.result), 2 > a.length) {
+      this.result = a[0];
+    } else {
+      if (c = aa(a)) {
+        return this.result = wa(a, c, b, e, g), f ? d ? W.call(this.index, this.result) : this.result : this;
+      }
+      this.result = [];
+    }
+  } else {
+    g || (this.result = a);
+  }
+  return f ? this.resolve(b, e, d) : this;
+}
+;X.prototype.xor = function() {
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Aa(this, "xor", arguments);
+  return Da.call(this, a, c, b, e, d, f, g);
+};
 function Da(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
@@ -773,43 +793,14 @@ function Da(a, c, b, e, d, f, g) {
     if (this.result.length && a.unshift(this.result), 2 > a.length) {
       this.result = a[0];
     } else {
-      if (c = aa(a)) {
-        return this.result = xa(a, c, b, e, g), f ? d ? W.call(this.index, this.result) : this.result : this;
-      }
-      this.result = [];
+      return this.result = Ea.call(this, a, b, e, f, this.h), f ? d ? W.call(this.index, this.result) : this.result : this;
     }
   } else {
     g || (this.result = a);
   }
   return f ? this.resolve(b, e, d) : this;
 }
-;X.prototype.xor = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ba(this, "xor", arguments);
-  return Ea.call(this, a, c, b, e, d, f, g);
-};
-function Ea(a, c, b, e, d, f, g) {
-  if (c.length) {
-    const k = this;
-    return Promise.all(c).then(function(h) {
-      a = [];
-      for (let l = 0, m; l < h.length; l++) {
-        (m = h[l]).length && (a[l] = m);
-      }
-      return Ea.call(k, a, [], b, e, d, f, g);
-    });
-  }
-  if (a.length) {
-    if (this.result.length && a.unshift(this.result), 2 > a.length) {
-      this.result = a[0];
-    } else {
-      return this.result = Fa.call(this, a, b, e, f, this.h), f ? d ? W.call(this.index, this.result) : this.result : this;
-    }
-  } else {
-    g || (this.result = a);
-  }
-  return f ? this.resolve(b, e, d) : this;
-}
-function Fa(a, c, b, e, d) {
+function Ea(a, c, b, e, d) {
   const f = [], g = C();
   let k = 0;
   for (let h = 0, l; h < a.length; h++) {
@@ -855,10 +846,10 @@ function Fa(a, c, b, e, d) {
   return f;
 }
 ;X.prototype.not = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ba(this, "not", arguments);
-  return Ga.call(this, a, c, b, e, d, f, g);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Aa(this, "not", arguments);
+  return Fa.call(this, a, c, b, e, d, f, g);
 };
-function Ga(a, c, b, e, d, f, g) {
+function Fa(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
     return Promise.all(c).then(function(h) {
@@ -866,17 +857,17 @@ function Ga(a, c, b, e, d, f, g) {
       for (let l = 0, m; l < h.length; l++) {
         (m = h[l]).length && (a[l] = m);
       }
-      return Ga.call(k, a, [], b, e, d, f, g);
+      return Fa.call(k, a, [], b, e, d, f, g);
     });
   }
   if (a.length && this.result.length) {
-    this.result = Ha.call(this, a, b, e, f);
+    this.result = Ga.call(this, a, b, e, f);
   } else if (f) {
     return this.resolve(b, e, d);
   }
   return f ? d ? W.call(this.index, this.result) : this.result : this;
 }
-function Ha(a, c, b, e) {
+function Ga(a, c, b, e) {
   const d = [];
   a = new Set(a.flat().flat());
   for (let f = 0, g, k = 0; f < this.result.length; f++) {
@@ -951,7 +942,7 @@ X.prototype.boost = function(a) {
 X.prototype.resolve = function(a, c, b) {
   const e = this.result, d = this.index;
   this.result = this.index = null;
-  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), Aa.call(d, e, a || 100, c, b)) : e;
+  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), za.call(d, e, a || 100, c, b)) : e;
 };
 C();
 V.prototype.search = function(a, c, b, e) {
@@ -1013,7 +1004,7 @@ V.prototype.search = function(a, c, b, e) {
         f = [];
         if (u.length) {
           for (p = 0; p < u.length; p += 2) {
-            q = Ia.call(this, u[p], u[p + 1], c, t, g), d.push({field:u[p], tag:u[p + 1], result:q});
+            q = Ha.call(this, u[p], u[p + 1], c, t, g), d.push({field:u[p], tag:u[p + 1], result:q});
           }
         }
         return f.length ? Promise.all(f).then(function(y) {
@@ -1047,7 +1038,7 @@ V.prototype.search = function(a, c, b, e) {
     if (l && F) {
       w = [];
       z = 0;
-      for (let G = 0, H, Za; G < l.length; G += 2) {
+      for (let G = 0, H, $a; G < l.length; G += 2) {
         H = this.tag.get(l[G]);
         if (!H) {
           if (console.warn("Tag '" + l[G] + ":" + l[G + 1] + "' will be skipped because there is no field '" + l[G] + "'."), k) {
@@ -1056,14 +1047,14 @@ V.prototype.search = function(a, c, b, e) {
             return n ? d : new X(d);
           }
         }
-        if (Za = (H = H && H.get(l[G + 1])) && H.length) {
+        if ($a = (H = H && H.get(l[G + 1])) && H.length) {
           z++, w.push(H);
         } else if (!k) {
           return n ? d : new X(d);
         }
       }
       if (z) {
-        v = za(v, w);
+        v = ya(v, w);
         F = v.length;
         if (!F && !k) {
           return n ? v : new X(v);
@@ -1098,9 +1089,9 @@ V.prototype.search = function(a, c, b, e) {
     }
     d[t] = {field:f[t], result:e};
   }
-  return q ? Ja(d, c) : r ? Ka(d, a, this.index, this.field, this.C, r) : d;
+  return q ? Ia(d, c) : r ? Ja(d, a, this.index, this.field, this.C, r) : d;
 };
-function Ka(a, c, b, e, d, f) {
+function Ja(a, c, b, e, d, f) {
   let g, k, h;
   for (let m = 0, n, r, p, q; m < a.length; m++) {
     let t = a[m].result;
@@ -1145,7 +1136,7 @@ function Ka(a, c, b, e, d, f) {
   }
   return a;
 }
-function Ja(a, c) {
+function Ia(a, c) {
   const b = [], e = C();
   for (let d = 0, f, g; d < a.length; d++) {
     f = a[d];
@@ -1164,7 +1155,7 @@ function Ja(a, c) {
   }
   return b;
 }
-function Ia(a, c, b, e, d) {
+function Ha(a, c, b, e, d) {
   let f = this.tag.get(a);
   if (!f) {
     return console.warn("Tag '" + a + "' was not found"), [];
@@ -1196,7 +1187,7 @@ function W(a) {
   this.C = [];
   this.field = [];
   this.J = [];
-  this.key = (b = c.key || c.id) && La(b, this.J) || "id";
+  this.key = (b = c.key || c.id) && Ka(b, this.J) || "id";
   this.reg = (this.fastupdate = !!a.fastupdate) ? new Map() : new Set();
   this.A = (b = c.store || null) && b && !0 !== b && [];
   this.store = b && new Map();
@@ -1207,13 +1198,13 @@ function W(a) {
   let e = c.index || c.field || c;
   D(e) && (e = [e]);
   for (let d = 0, f, g; d < e.length; d++) {
-    f = e[d], D(f) || (g = f, f = f.field), g = I(g) ? Object.assign({}, a, g) : a, b.set(f, new O(g, this.reg)), g.custom ? this.C[d] = g.custom : (this.C[d] = La(f, this.J), g.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = g.filter)), this.field[d] = f;
+    f = e[d], D(f) || (g = f, f = f.field), g = I(g) ? Object.assign({}, a, g) : a, b.set(f, new O(g, this.reg)), g.custom ? this.C[d] = g.custom : (this.C[d] = Ka(f, this.J), g.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = g.filter)), this.field[d] = f;
   }
   if (this.A) {
     a = c.store;
     D(a) && (a = [a]);
     for (let d = 0, f, g; d < a.length; d++) {
-      f = a[d], g = f.field || f, f.custom ? (this.A[d] = f.custom, f.custom.U = g) : (this.A[d] = La(g, this.J), f.filter && ("string" === typeof this.A[d] && (this.A[d] = new String(this.A[d])), this.A[d].I = f.filter));
+      f = a[d], g = f.field || f, f.custom ? (this.A[d] = f.custom, f.custom.U = g) : (this.A[d] = Ka(g, this.J), f.filter && ("string" === typeof this.A[d] && (this.A[d] = new String(this.A[d])), this.A[d].I = f.filter));
     }
   }
   this.index = b;
@@ -1229,14 +1220,14 @@ function W(a) {
         if (!g) {
           throw Error("The tag field from the document descriptor is undefined.");
         }
-        f.custom ? this.B[d] = f.custom : (this.B[d] = La(g, this.J), f.filter && ("string" === typeof this.B[d] && (this.B[d] = new String(this.B[d])), this.B[d].I = f.filter));
+        f.custom ? this.B[d] = f.custom : (this.B[d] = Ka(g, this.J), f.filter && ("string" === typeof this.B[d] && (this.B[d] = new String(this.B[d])), this.B[d].I = f.filter));
         this.T[d] = g;
         this.tag.set(g, new Map());
       }
     }
   }
 }
-function La(a, c) {
+function Ka(a, c) {
   const b = a.split(":");
   let e = 0;
   for (let d = 0; d < b.length; d++) {
@@ -1304,7 +1295,7 @@ x.set = function(a, c) {
   this.store.set(a, c);
   return this;
 };
-x.searchCache = Ma;
+x.searchCache = La;
 x.export = function(a, c, b = 0, e = 0) {
   if (b < this.field.length) {
     const g = this.field[b];
@@ -1320,17 +1311,17 @@ x.export = function(a, c, b = 0, e = 0) {
   switch(e) {
     case 0:
       d = "reg";
-      f = sa(this.reg);
+      f = ra(this.reg);
       c = null;
       break;
     case 1:
       d = "tag";
-      f = this.tag && qa(this.tag, this.reg.size);
+      f = this.tag && pa(this.tag, this.reg.size);
       c = null;
       break;
     case 2:
       d = "doc";
-      f = this.store && oa(this.store);
+      f = this.store && na(this.store);
       c = null;
       break;
     default:
@@ -1351,21 +1342,21 @@ x.import = function(a, c) {
     switch(b) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ta(c, this.reg);
+        this.reg = sa(c, this.reg);
         for (let e = 0, d; e < this.field.length; e++) {
           d = this.index.get(this.field[e]), d.fastupdate = !1, d.reg = this.reg;
         }
         break;
       case "tag":
-        this.tag = ra(c, this.tag);
+        this.tag = qa(c, this.tag);
         break;
       case "doc":
-        this.store = pa(c, this.store);
+        this.store = oa(c, this.store);
     }
   }
 };
-ja(V.prototype);
-function Ma(a, c, b) {
+ia(V.prototype);
+function La(a, c, b) {
   a = ("object" === typeof a ? "" + a.query : a).toLowerCase();
   this.cache || (this.cache = new Y());
   let e = this.cache.get(a);
@@ -1406,31 +1397,22 @@ Y.prototype.clear = function() {
   this.cache.clear();
   this.h = "";
 };
-const Na = {normalize:function(a) {
-  return a.toLowerCase();
-}};
-const Oa = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
-const Pa = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), Qa = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
-const Ra = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
-const Sa = /[\x00-\x7F]+/g;
-const Ta = /[\x00-\x7F]+/g;
-const Ua = /[\x00-\x7F]+/g;
-var Va = {LatinExact:{split:/\s+/, normalize:!1}, LatinDefault:Na, LatinSimple:{normalize:!0, dedupe:!0}, LatinBalance:{normalize:!0, dedupe:!0, mapper:Oa}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Oa, matcher:Pa, replacer:Qa}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Oa, replacer:Qa.concat([/(?!^)[aeo]/g, ""]), matcher:Pa}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
+const Ma = {normalize:!1, numeric:!1, split:/\s+/};
+const Na = {normalize:!0};
+const Oa = {normalize:!0, dedupe:!0};
+const Pa = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
+const Qa = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), Ra = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
+const Sa = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
+var Ta = {W:Ma, V:Na, X:Oa, LatinBalance:{normalize:!0, dedupe:!0, mapper:Pa}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Pa, matcher:Qa, replacer:Ra}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Pa, replacer:Ra.concat([/(?!^)[aeo]/g, ""]), matcher:Qa}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
   for (let b = 0; b < a.length; b++) {
     var c = a[b];
-    let e = c.charAt(0), d = Ra[e];
-    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = Ra[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
+    let e = c.charAt(0), d = Sa[e];
+    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = Sa[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
     }
     a[b] = e;
   }
-}}, ArabicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(Sa, " ");
-}}, CjkDefault:{normalize:!1, dedupe:!0, split:"", prepare:function(a) {
-  return ("" + a).replace(Ta, "");
-}}, CyrillicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(Ua, " ");
-}}};
-const Wa = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
+}}, LatinExact:Ma, LatinDefault:Na, LatinSimple:Oa};
+const Ua = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
 O.prototype.add = function(a, c, b, e) {
   if (c && (a || 0 === a)) {
     if (!e && !b && this.reg.has(a)) {
@@ -1443,7 +1425,7 @@ O.prototype.add = function(a, c, b, e) {
         let q = c[this.rtl ? e - 1 - p : p];
         var d = q.length;
         if (d && (n || !m[q])) {
-          var f = this.score ? this.score(c, q, p, null, 0) : Xa(r, e, p), g = "";
+          var f = this.score ? this.score(c, q, p, null, 0) : Va(r, e, p), g = "";
           switch(this.tokenize) {
             case "full":
               if (2 < d) {
@@ -1451,17 +1433,18 @@ O.prototype.add = function(a, c, b, e) {
                   for (f = d; f > t; f--) {
                     g = q.substring(t, f);
                     u = this.rtl ? d - 1 - t : t;
-                    var k = this.score ? this.score(c, q, p, g, u) : Xa(r, e, p, d, u);
+                    var k = this.score ? this.score(c, q, p, g, u) : Va(r, e, p, d, u);
                     Z(this, m, g, k, a, b);
                   }
                 }
                 break;
               }
+            case "bidirectional":
             case "reverse":
               if (1 < d) {
                 for (k = d - 1; 0 < k; k--) {
                   g = q[this.rtl ? d - 1 - k : k] + g;
-                  var h = this.score ? this.score(c, q, p, g, k) : Xa(r, e, p, d, k);
+                  var h = this.score ? this.score(c, q, p, g, k) : Va(r, e, p, d, k);
                   Z(this, m, g, h, a, b);
                 }
                 g = "";
@@ -1478,7 +1461,7 @@ O.prototype.add = function(a, c, b, e) {
                 for (d = C(), g = this.S, f = q, k = Math.min(n + 1, this.rtl ? p + 1 : e - p), d[f] = 1, h = 1; h < k; h++) {
                   if ((q = c[this.rtl ? e - 1 - p - h : p + h]) && !d[q]) {
                     d[q] = 1;
-                    const t = this.score ? this.score(c, f, p, q, h - 1) : Xa(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), u = this.bidirectional && q > f;
+                    const t = this.score ? this.score(c, f, p, q, h - 1) : Va(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), u = this.bidirectional && q > f;
                     Z(this, l, u ? f : q, t, a, b, u ? q : f);
                   }
                 }
@@ -1497,7 +1480,7 @@ function Z(a, c, b, e, d, f, g) {
     g ? (c = h || (c[b] = C()), c[g] = 1, (h = k.get(g)) ? k = h : k.set(g, k = new Map())) : c[b] = 1, (h = k.get(b)) ? k = h : k.set(b, k = []), k = k[e] || (k[e] = []), f && k.includes(d) || (k.push(d), a.fastupdate && ((c = a.reg.get(d)) ? c.push(k) : a.reg.set(d, [k])));
   }
 }
-function Xa(a, c, b, e, d) {
+function Va(a, c, b, e, d) {
   return b && 1 < a ? c + (e || 0) <= a ? b + (d || 0) : (a - 1) / (c + (e || 0)) * (b + (d || 0)) + 1 | 0 : 0;
 }
 ;O.prototype.search = function(a, c, b) {
@@ -1518,11 +1501,11 @@ function Xa(a, c, b, e, d) {
   b = a.length;
   c = c || (k ? 100 : 0);
   if (1 === b) {
-    return g = c, (c = Ya(this, a[0], "")) && c.length ? Aa.call(this, c, g, d) : [];
+    return g = c, (c = Wa(this, a[0], "")) && c.length ? za.call(this, c, g, d) : [];
   }
   f = this.depth && !1 !== f;
   if (2 === b && f && !g) {
-    return g = c, (c = Ya(this, a[0], a[1])) && c.length ? Aa.call(this, c, g, d) : [];
+    return g = c, (c = Wa(this, a[0], a[1])) && c.length ? za.call(this, c, g, d) : [];
   }
   k = C();
   let l = 0;
@@ -1534,7 +1517,7 @@ function Xa(a, c, b, e, d) {
   for (let q, t; l < b; l++) {
     if ((t = a[l]) && !k[t]) {
       k[t] = 1;
-      q = Ya(this, t, m);
+      q = Wa(this, t, m);
       a: {
         f = q;
         var n = e, r = g, p = h;
@@ -1571,16 +1554,16 @@ function Xa(a, c, b, e, d) {
     e = a.length;
     m = a;
     if (1 < e) {
-      m = xa(a, h, c, d, g);
+      m = wa(a, h, c, d, g);
     } else if (1 === e) {
-      g = Aa.call(null, a[0], c, d);
+      g = za.call(null, a[0], c, d);
       break a;
     }
     g = m;
   }
   return g;
 };
-function Ya(a, c, b) {
+function Wa(a, c, b) {
   let e;
   b && (e = a.bidirectional && c > b) && (e = b, b = c, c = e);
   a = b ? (a = a.ctx.get(b)) && a.get(c) : a.map.get(c);
@@ -1601,14 +1584,14 @@ function Ya(a, c, b) {
         }
       }
     } else {
-      $a(this.map, a), this.depth && $a(this.ctx, a);
+      Xa(this.map, a), this.depth && Xa(this.ctx, a);
     }
     c || this.reg.delete(a);
   }
   this.cache && this.cache.remove(a);
   return this;
 };
-function $a(a, c) {
+function Xa(a, c) {
   let b = 0;
   if (a.constructor === Array) {
     for (let e = 0, d, f; e < a.length; e++) {
@@ -1623,7 +1606,7 @@ function $a(a, c) {
     }
   } else {
     for (let e of a.entries()) {
-      const d = e[0], f = $a(e[1], c);
+      const d = e[0], f = Xa(e[1], c);
       f ? b += f : a.delete(d);
     }
   }
@@ -1635,15 +1618,15 @@ function $a(a, c) {
   }
   if (a) {
     var b = D(a) ? a : a.preset;
-    b && (Wa[b] || console.warn("Preset not found: " + b), a = Object.assign({}, Wa[b], a));
+    b && (Ua[b] || console.warn("Preset not found: " + b), a = Object.assign({}, Ua[b], a));
   } else {
     a = {};
   }
   b = a.context;
-  const e = !0 === b ? {depth:1} : b || {}, d = D(a.encoder) ? Va[a.encoder] : a.encode || a.encoder || Na;
+  const e = !0 === b ? {depth:1} : b || {}, d = D(a.encoder) ? Ta[a.encoder] : a.encode || a.encoder || Na;
   this.encoder = d.encode ? d : "object" === typeof d ? new K(d) : {encode:d};
   this.resolution = a.resolution || 9;
-  this.tokenize = b = (b = a.tokenize) && "default" !== b && b || "strict";
+  this.tokenize = b = (b = a.tokenize) && "default" !== b && "exact" !== b && b || "strict";
   this.depth = "strict" === b && e.depth || 0;
   this.bidirectional = !1 !== e.bidirectional;
   this.fastupdate = !!a.fastupdate;
@@ -1676,7 +1659,7 @@ x.update = function(a, c) {
   const b = this, e = this.remove(a);
   return e && e.then ? e.then(() => b.add(a, c)) : this.add(a, c);
 };
-function ab(a) {
+function Ya(a) {
   let c = 0;
   if (a.constructor === Array) {
     for (let b = 0, e; b < a.length; b++) {
@@ -1684,7 +1667,7 @@ function ab(a) {
     }
   } else {
     for (const b of a.entries()) {
-      const e = b[0], d = ab(b[1]);
+      const e = b[0], d = Ya(b[1]);
       d ? c += d : a.delete(e);
     }
   }
@@ -1694,17 +1677,17 @@ x.cleanup = function() {
   if (!this.fastupdate) {
     return console.info('Cleanup the index isn\'t required when not using "fastupdate".'), this;
   }
-  ab(this.map);
-  this.depth && ab(this.ctx);
+  Ya(this.map);
+  this.depth && Ya(this.ctx);
   return this;
 };
-x.searchCache = Ma;
+x.searchCache = La;
 x.export = function(a, c, b = 0, e = 0) {
   let d, f;
   switch(e) {
     case 0:
       d = "reg";
-      f = sa(this.reg);
+      f = ra(this.reg);
       break;
     case 1:
       d = "cfg";
@@ -1712,11 +1695,11 @@ x.export = function(a, c, b = 0, e = 0) {
       break;
     case 2:
       d = "map";
-      f = oa(this.map, this.reg.size);
+      f = na(this.map, this.reg.size);
       break;
     case 3:
       d = "ctx";
-      f = qa(this.ctx, this.reg.size);
+      f = pa(this.ctx, this.reg.size);
       break;
     default:
       return;
@@ -1728,13 +1711,13 @@ x.import = function(a, c) {
     switch("string" === typeof c && (c = JSON.parse(c)), a = a.split("."), "json" === a[a.length - 1] && a.pop(), 3 === a.length && a.shift(), a = 1 < a.length ? a[1] : a[0], a) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ta(c, this.reg);
+        this.reg = sa(c, this.reg);
         break;
       case "map":
-        this.map = pa(c, this.map);
+        this.map = oa(c, this.map);
         break;
       case "ctx":
-        this.ctx = ra(c, this.ctx);
+        this.ctx = qa(c, this.ctx);
     }
   }
 };
@@ -1746,11 +1729,11 @@ x.serialize = function(a = !0) {
       f || (f = typeof d), c += (c ? "," : "") + ("string" === f ? '"' + d + '"' : d);
     }
     c = "index.reg=new Set([" + c + "]);";
-    b = ua(this.map, f);
+    b = ta(this.map, f);
     b = "index.map=new Map([" + b + "]);";
     for (const g of this.ctx.entries()) {
       d = g[0];
-      let k = ua(g[1], f);
+      let k = ta(g[1], f);
       k = "new Map([" + k + "])";
       k = '["' + d + '",' + k + "]";
       e += (e ? "," : "") + k;
@@ -1759,11 +1742,11 @@ x.serialize = function(a = !0) {
   }
   return a ? "function inject(index){" + c + b + e + "}" : c + b + e;
 };
-ja(O.prototype);
+ia(O.prototype);
 C();
-const bb = {Index:O, Charset:Va, Encoder:K, Document:V, Worker:null, Resolver:null, IndexedDB:null, Language:{}}, cb = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self;
-let db;
-(db = cb.define) && db.amd ? db([], function() {
-  return bb;
-}) : "object" === typeof cb.exports ? cb.exports = bb : cb.FlexSearch = bb;
+const Za = {Index:O, Charset:Ta, Encoder:K, Document:V, Worker:null, Resolver:null, IndexedDB:null, Language:{}}, ab = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self;
+let bb;
+(bb = ab.define) && bb.amd ? bb([], function() {
+  return Za;
+}) : "object" === typeof ab.exports ? ab.exports = Za : ab.FlexSearch = Za;
 }(this||self));
diff --git a/dist/flexsearch.compact.min.js b/dist/flexsearch.compact.min.js
index 5a34495..78b156e 100644
--- a/dist/flexsearch.compact.min.js
+++ b/dist/flexsearch.compact.min.js
@@ -1,70 +1,64 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle)
+ * FlexSearch.js v0.8.143 (Bundle)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
  * https://github.com/nextapps-de/flexsearch
  */
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+for(let q,t;l<b;l++){if((t=a[l])&&!k[t]){k[t]=1;q=Wa(this,t,m);a:{f=q;var n=e,r=g,p=h;let u=[];if(f&&f.length){if(f.length<=p){n.push(f);q=void 0;break a}for(let w=0,z;w<p;w++)if(z=f[w])u[w]=z;if(u.length){n.push(u);q=void 0;break a}}q=r?void 0:u}if(q){e=q;break}m&&(g&&q&&e.length||(m=t))}g&&m&&l===b-1&&!e.length&&(h=this.resolution,m="",l=-1,k=C())}a:{a=e;e=a.length;m=a;if(1<e)m=wa(a,h,c,d,g);else if(1===e){g=za.call(null,a[0],c,d);break a}g=m}return g};
+function Wa(a,c,b){let e;b&&(e=a.bidirectional&&c>b)&&(e=b,b=c,c=e);a=b?(a=a.ctx.get(b))&&a.get(c):a.map.get(c);return a};O.prototype.remove=function(a,c){const b=this.reg.size&&(this.fastupdate?this.reg.get(a):this.reg.has(a));if(b){if(this.fastupdate)for(let e=0,d;e<b.length;e++){if(d=b[e])if(2>d.length)d.pop();else{const f=d.indexOf(a);f===b.length-1?d.pop():d.splice(f,1)}}else Xa(this.map,a),this.depth&&Xa(this.ctx,a);c||this.reg.delete(a)}this.cache&&this.cache.remove(a);return this};
+function Xa(a,c){let b=0;if(a.constructor===Array)for(let e=0,d,f;e<a.length;e++){if((d=a[e])&&d.length)if(f=d.indexOf(c),0<=f){1<d.length?(d.splice(f,1),b++):delete a[e];break}else b++}else for(let e of a.entries()){const d=e[0],f=Xa(e[1],c);f?b+=f:a.delete(d)}return b};function O(a,c){if(!this||this.constructor!==O)return new O(a);if(a){var b=D(a)?a:a.preset;b&&(a=Object.assign({},Ua[b],a))}else a={};b=a.context;const e=!0===b?{depth:1}:b||{},d=D(a.encoder)?Ta[a.encoder]:a.encode||a.encoder||Na;this.encoder=d.encode?d:"object"===typeof d?new K(d):{encode:d};this.resolution=a.resolution||9;this.tokenize=b=(b=a.tokenize)&&"default"!==b&&"exact"!==b&&b||"strict";this.depth="strict"===b&&e.depth||0;this.bidirectional=!1!==e.bidirectional;this.fastupdate=!!a.fastupdate;
+this.score=a.score||null;b=!1;this.map=new Map;this.ctx=new Map;this.reg=c||(this.fastupdate?new Map:new Set);this.S=e.resolution||3;this.rtl=d.rtl||a.rtl||!1;this.cache=(b=a.cache||null)&&new Y(b);this.priority=a.priority||4}x=O.prototype;x.clear=function(){this.map.clear();this.ctx.clear();this.reg.clear();this.cache&&this.cache.clear();return this};x.append=function(a,c){return this.add(a,c,!0)};x.contain=function(a){return this.reg.has(a)};
+x.update=function(a,c){const b=this,e=this.remove(a);return e&&e.then?e.then(()=>b.add(a,c)):this.add(a,c)};function Ya(a){let c=0;if(a.constructor===Array)for(let b=0,e;b<a.length;b++)(e=a[b])&&(c+=e.length);else for(const b of a.entries()){const e=b[0],d=Ya(b[1]);d?c+=d:a.delete(e)}return c}x.cleanup=function(){if(!this.fastupdate)return this;Ya(this.map);this.depth&&Ya(this.ctx);return this};x.searchCache=La;
+x.export=function(a,c,b=0,e=0){let d,f;switch(e){case 0:d="reg";f=ra(this.reg);break;case 1:d="cfg";f=null;break;case 2:d="map";f=na(this.map,this.reg.size);break;case 3:d="ctx";f=pa(this.ctx,this.reg.size);break;default:return}return U.call(this,a,c,d,f,b,e)};
+x.import=function(a,c){if(c)switch("string"===typeof c&&(c=JSON.parse(c)),a=a.split("."),"json"===a[a.length-1]&&a.pop(),3===a.length&&a.shift(),a=1<a.length?a[1]:a[0],a){case "reg":this.fastupdate=!1;this.reg=sa(c,this.reg);break;case "map":this.map=oa(c,this.map);break;case "ctx":this.ctx=qa(c,this.ctx)}};
+x.serialize=function(a=!0){let c="",b="",e="";if(this.reg.size){let f;for(var d of this.reg.keys())f||(f=typeof d),c+=(c?",":"")+("string"===f?'"'+d+'"':d);c="index.reg=new Set(["+c+"]);";b=ta(this.map,f);b="index.map=new Map(["+b+"]);";for(const g of this.ctx.entries()){d=g[0];let k=ta(g[1],f);k="new Map(["+k+"])";k='["'+d+'",'+k+"]";e+=(e?",":"")+k}e="index.ctx=new Map(["+e+"]);"}return a?"function inject(index){"+c+b+e+"}":c+b+e};ia(O.prototype);C();const $a={Index:O,Charset:Ta,Encoder:K,Document:V,Worker:null,Resolver:null,IndexedDB:null,Language:{}},ab="undefined"!==typeof self?self:"undefined"!==typeof global?global:self;let bb;(bb=ab.define)&&bb.amd?bb([],function(){return $a}):"object"===typeof ab.exports?ab.exports=$a:ab.FlexSearch=$a;}(this||self));
diff --git a/dist/flexsearch.compact.module.debug.js b/dist/flexsearch.compact.module.debug.js
index 4c58e60..85a03a0 100644
--- a/dist/flexsearch.compact.module.debug.js
+++ b/dist/flexsearch.compact.module.debug.js
@@ -1,5 +1,5 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle/Debug)
+ * FlexSearch.js v0.8.143 (Bundle/Debug)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
@@ -69,15 +69,7 @@ function aa(a) {
   }
   return c;
 }
-;var ba = [["\u00aa", "a"], ["\u00b2", "2"], ["\u00b3", "3"], ["\u00b9", "1"], ["\u00ba", "o"], ["\u00bc", "1\u20444"], ["\u00bd", "1\u20442"], ["\u00be", "3\u20444"], ["\u00e0", "a"], ["\u00e1", "a"], ["\u00e2", "a"], ["\u00e3", "a"], ["\u00e4", "a"], ["\u00e5", "a"], ["\u00e7", "c"], ["\u00e8", "e"], ["\u00e9", "e"], ["\u00ea", "e"], ["\u00eb", "e"], ["\u00ec", "i"], ["\u00ed", "i"], ["\u00ee", "i"], ["\u00ef", "i"], ["\u00f1", "n"], ["\u00f2", "o"], ["\u00f3", "o"], ["\u00f4", "o"], ["\u00f5", 
-"o"], ["\u00f6", "o"], ["\u00f9", "u"], ["\u00fa", "u"], ["\u00fb", "u"], ["\u00fc", "u"], ["\u00fd", "y"], ["\u00ff", "y"], ["\u0101", "a"], ["\u0103", "a"], ["\u0105", "a"], ["\u0107", "c"], ["\u0109", "c"], ["\u010b", "c"], ["\u010d", "c"], ["\u010f", "d"], ["\u0113", "e"], ["\u0115", "e"], ["\u0117", "e"], ["\u0119", "e"], ["\u011b", "e"], ["\u011d", "g"], ["\u011f", "g"], ["\u0121", "g"], ["\u0123", "g"], ["\u0125", "h"], ["\u0129", "i"], ["\u012b", "i"], ["\u012d", "i"], ["\u012f", "i"], ["\u0133", 
-"ij"], ["\u0135", "j"], ["\u0137", "k"], ["\u013a", "l"], ["\u013c", "l"], ["\u013e", "l"], ["\u0140", "l"], ["\u0144", "n"], ["\u0146", "n"], ["\u0148", "n"], ["\u0149", "n"], ["\u014d", "o"], ["\u014f", "o"], ["\u0151", "o"], ["\u0155", "r"], ["\u0157", "r"], ["\u0159", "r"], ["\u015b", "s"], ["\u015d", "s"], ["\u015f", "s"], ["\u0161", "s"], ["\u0163", "t"], ["\u0165", "t"], ["\u0169", "u"], ["\u016b", "u"], ["\u016d", "u"], ["\u016f", "u"], ["\u0171", "u"], ["\u0173", "u"], ["\u0175", "w"], ["\u0177", 
-"y"], ["\u017a", "z"], ["\u017c", "z"], ["\u017e", "z"], ["\u017f", "s"], ["\u01a1", "o"], ["\u01b0", "u"], ["\u01c6", "dz"], ["\u01c9", "lj"], ["\u01cc", "nj"], ["\u01ce", "a"], ["\u01d0", "i"], ["\u01d2", "o"], ["\u01d4", "u"], ["\u01d6", "u"], ["\u01d8", "u"], ["\u01da", "u"], ["\u01dc", "u"], ["\u01df", "a"], ["\u01e1", "a"], ["\u01e3", "ae"], ["\u00e6", "ae"], ["\u01fd", "ae"], ["\u01e7", "g"], ["\u01e9", "k"], ["\u01eb", "o"], ["\u01ed", "o"], ["\u01ef", "\u0292"], ["\u01f0", "j"], ["\u01f3", 
-"dz"], ["\u01f5", "g"], ["\u01f9", "n"], ["\u01fb", "a"], ["\u01ff", "\u00f8"], ["\u0201", "a"], ["\u0203", "a"], ["\u0205", "e"], ["\u0207", "e"], ["\u0209", "i"], ["\u020b", "i"], ["\u020d", "o"], ["\u020f", "o"], ["\u0211", "r"], ["\u0213", "r"], ["\u0215", "u"], ["\u0217", "u"], ["\u0219", "s"], ["\u021b", "t"], ["\u021f", "h"], ["\u0227", "a"], ["\u0229", "e"], ["\u022b", "o"], ["\u022d", "o"], ["\u022f", "o"], ["\u0231", "o"], ["\u0233", "y"], ["\u02b0", "h"], ["\u02b1", "h"], ["\u0266", "h"], 
-["\u02b2", "j"], ["\u02b3", "r"], ["\u02b4", "\u0279"], ["\u02b5", "\u027b"], ["\u02b6", "\u0281"], ["\u02b7", "w"], ["\u02b8", "y"], ["\u02e0", "\u0263"], ["\u02e1", "l"], ["\u02e2", "s"], ["\u02e3", "x"], ["\u02e4", "\u0295"], ["\u0390", "\u03b9"], ["\u03ac", "\u03b1"], ["\u03ad", "\u03b5"], ["\u03ae", "\u03b7"], ["\u03af", "\u03b9"], ["\u03b0", "\u03c5"], ["\u03ca", "\u03b9"], ["\u03cb", "\u03c5"], ["\u03cc", "\u03bf"], ["\u03cd", "\u03c5"], ["\u03ce", "\u03c9"], ["\u03d0", "\u03b2"], ["\u03d1", 
-"\u03b8"], ["\u03d2", "\u03a5"], ["\u03d3", "\u03a5"], ["\u03d4", "\u03a5"], ["\u03d5", "\u03c6"], ["\u03d6", "\u03c0"], ["\u03f0", "\u03ba"], ["\u03f1", "\u03c1"], ["\u03f2", "\u03c2"], ["\u03f5", "\u03b5"], ["\u0439", "\u0438"], ["\u0450", "\u0435"], ["\u0451", "\u0435"], ["\u0453", "\u0433"], ["\u0457", "\u0456"], ["\u045c", "\u043a"], ["\u045d", "\u0438"], ["\u045e", "\u0443"], ["\u0477", "\u0475"], ["\u04c2", "\u0436"], ["\u04d1", "\u0430"], ["\u04d3", "\u0430"], ["\u04d7", "\u0435"], ["\u04db", 
-"\u04d9"], ["\u04dd", "\u0436"], ["\u04df", "\u0437"], ["\u04e3", "\u0438"], ["\u04e5", "\u0438"], ["\u04e7", "\u043e"], ["\u04eb", "\u04e9"], ["\u04ed", "\u044d"], ["\u04ef", "\u0443"], ["\u04f1", "\u0443"], ["\u04f3", "\u0443"], ["\u04f5", "\u0447"]];
-const ca = /[^\p{L}\p{N}]+/u, da = /(\d{3})/g, ea = /(\D)(\d{3})/g, fa = /(\d{3})(\D)/g, ha = "".normalize && /[\u0300-\u036f]/g;
+;const ba = /[^\p{L}\p{N}]+/u, ca = /(\d{3})/g, da = /(\D)(\d{3})/g, ea = /(\d{3})(\D)/g, fa = /[\u0300-\u036f]/g;
 function K(a = {}) {
   if (!this || this.constructor !== K) {
     return new K(...arguments);
@@ -118,7 +110,7 @@ x.assign = function(a) {
     this.numeric = B(a.numeric, e);
   } else {
     try {
-      this.split = B(this.split, ca);
+      this.split = B(this.split, ba);
     } catch (d) {
       console.warn("This platform does not support unicode regex. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
     }
@@ -126,7 +118,6 @@ x.assign = function(a) {
   }
   this.prepare = B(a.prepare, null, this.prepare);
   this.finalize = B(a.finalize, null, this.finalize);
-  ha || (this.mapper = new Map(ba));
   b = a.filter;
   this.filter = "function" === typeof b ? b : B(b && new Set(b), null, this.filter);
   this.dedupe = B(a.dedupe, !1, this.dedupe);
@@ -214,9 +205,9 @@ x.encode = function(a) {
       this.H = setTimeout(L, 50, this);
     }
   }
-  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = ha ? a.normalize("NFKD").replace(ha, "").toLowerCase() : a.toLowerCase());
+  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = fa ? a.normalize("NFKD").replace(fa, "").toLowerCase() : a.toLowerCase());
   this.prepare && (a = this.prepare(a));
-  this.numeric && 3 < a.length && (a = a.replace(ea, "$1 $2").replace(fa, "$1 $2").replace(da, "$1 "));
+  this.numeric && 3 < a.length && (a = a.replace(da, "$1 $2").replace(ea, "$1 $2").replace(ca, "$1 "));
   const c = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
   let b = [], e = this.split || "" === this.split ? a.split(this.split) : a;
   for (let f = 0, g, k; f < e.length; f++) {
@@ -266,7 +257,7 @@ function L(a) {
   a.G.clear();
 }
 ;let M, N;
-async function ia(a) {
+async function ha(a) {
   a = a.data;
   var c = a.task;
   const b = a.id;
@@ -296,16 +287,16 @@ async function ia(a) {
       postMessage("search" === c ? {id:b, msg:d} : {id:b});
   }
 }
-;function ja(a) {
+;function ia(a) {
   P.call(a, "add");
   P.call(a, "append");
   P.call(a, "search");
   P.call(a, "update");
   P.call(a, "remove");
 }
-let ka, la, Q;
-function ma() {
-  ka = Q = 0;
+let ja, ka, Q;
+function la() {
+  ja = Q = 0;
 }
 function P(a) {
   this[a + "Async"] = function() {
@@ -313,7 +304,7 @@ function P(a) {
     var b = c[c.length - 1];
     let e;
     "function" === typeof b && (e = b, delete c[c.length - 1]);
-    ka ? Q || (Q = Date.now() - la >= this.priority * this.priority * 3) : (ka = setTimeout(ma, 0), la = Date.now());
+    ja ? Q || (Q = Date.now() - ka >= this.priority * this.priority * 3) : (ja = setTimeout(la, 0), ka = Date.now());
     if (Q) {
       const f = this;
       return new Promise(g => {
@@ -359,7 +350,7 @@ function S(a = {}) {
   }
   let b = "undefined" !== typeof self ? self._factory : "undefined" !== typeof window ? window._factory : null;
   b && (b = b.toString());
-  const e = "undefined" === typeof window, d = this, f = na(b, e, a.worker);
+  const e = "undefined" === typeof window, d = this, f = ma(b, e, a.worker);
   return f.then ? f.then(function(g) {
     return c.call(d, g);
   }) : c.call(this, f);
@@ -372,7 +363,7 @@ T("remove");
 T("clear");
 T("export");
 T("import");
-ja(S.prototype);
+ia(S.prototype);
 function T(a) {
   S.prototype[a] = function() {
     const c = this, b = [].slice.call(arguments);
@@ -387,11 +378,11 @@ function T(a) {
     return d ? (e.then(d), this) : e;
   };
 }
-function na(a, c, b) {
-  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/worker/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"](import.meta.dirname+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + ia.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : import.meta.url.replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
+function ma(a, c, b) {
+  return c ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/worker/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"](import.meta.dirname+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + ha.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof b ? b : import.meta.url.replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
   "module/worker/worker.js"), {type:"module"});
 }
-;function oa(a, c = 0) {
+;function na(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 5000 | 0);
   for (const d of a.entries()) {
@@ -400,30 +391,30 @@ function na(a, c, b) {
   e.length && b.push(e);
   return b;
 }
-function pa(a, c) {
+function oa(a, c) {
   c || (c = new Map());
   for (let b = 0, e; b < a.length; b++) {
     e = a[b], c.set(e[0], e[1]);
   }
   return c;
 }
-function qa(a, c = 0) {
+function pa(a, c = 0) {
   let b = [], e = [];
   c && (c = 250000 / c * 1000 | 0);
   for (const d of a.entries()) {
-    e.push([d[0], oa(d[1])[0]]), e.length === c && (b.push(e), e = []);
+    e.push([d[0], na(d[1])[0]]), e.length === c && (b.push(e), e = []);
   }
   e.length && b.push(e);
   return b;
 }
-function ra(a, c) {
+function qa(a, c) {
   c || (c = new Map());
   for (let b = 0, e, d; b < a.length; b++) {
-    e = a[b], d = c.get(e[0]), c.set(e[0], pa(e[1], d));
+    e = a[b], d = c.get(e[0]), c.set(e[0], oa(e[1], d));
   }
   return c;
 }
-function sa(a) {
+function ra(a) {
   let c = [], b = [];
   for (const e of a.keys()) {
     b.push(e), 250000 === b.length && (c.push(b), b = []);
@@ -431,7 +422,7 @@ function sa(a) {
   b.length && c.push(b);
   return c;
 }
-function ta(a, c) {
+function sa(a, c) {
   c || (c = new Set());
   for (let b = 0; b < a.length; b++) {
     c.add(a[b]);
@@ -452,7 +443,7 @@ function U(a, c, b, e, d, f, g = 0) {
   }
   return U.call(this, a, c, b, k ? e : null, d, f, g + 1);
 }
-function ua(a, c) {
+function ta(a, c) {
   let b = "";
   for (const e of a.entries()) {
     a = e[0];
@@ -486,7 +477,7 @@ function ua(a, c) {
         d && e.add(a, d, !1, !0);
       } else {
         if (d = h.I, !d || d(c)) {
-          h.constructor === String ? h = ["" + h] : D(h) && (h = [h]), va(c, h, this.J, 0, e, a, h[0], b);
+          h.constructor === String ? h = ["" + h] : D(h) && (h = [h]), ua(c, h, this.J, 0, e, a, h[0], b);
         }
       }
     }
@@ -537,7 +528,7 @@ function ua(a, c) {
             k[l] = c[l];
             continue;
           }
-          wa(c, k, l, 0, l[0], m);
+          va(c, k, l, 0, l[0], m);
         }
       }
       this.store.set(a, k || c);
@@ -545,21 +536,21 @@ function ua(a, c) {
   }
   return this;
 };
-function wa(a, c, b, e, d, f) {
+function va(a, c, b, e, d, f) {
   a = a[d];
   if (e === b.length - 1) {
     c[d] = f || a;
   } else if (a) {
     if (a.constructor === Array) {
       for (c = c[d] = Array(a.length), d = 0; d < a.length; d++) {
-        wa(a, c, b, e, d);
+        va(a, c, b, e, d);
       }
     } else {
-      c = c[d] || (c[d] = C()), d = b[++e], wa(a, c, b, e, d);
+      c = c[d] || (c[d] = C()), d = b[++e], va(a, c, b, e, d);
     }
   }
 }
-function va(a, c, b, e, d, f, g, k) {
+function ua(a, c, b, e, d, f, g, k) {
   if (a = a[g]) {
     if (e === c.length - 1) {
       if (a.constructor === Array) {
@@ -575,15 +566,15 @@ function va(a, c, b, e, d, f, g, k) {
     } else {
       if (a.constructor === Array) {
         for (g = 0; g < a.length; g++) {
-          va(a, c, b, e, d, f, g, k);
+          ua(a, c, b, e, d, f, g, k);
         }
       } else {
-        g = c[++e], va(a, c, b, e, d, f, g, k);
+        g = c[++e], ua(a, c, b, e, d, f, g, k);
       }
     }
   }
 }
-;function xa(a, c, b, e, d) {
+;function wa(a, c, b, e, d) {
   const f = a.length;
   let g = [], k, h;
   k = C();
@@ -600,7 +591,7 @@ function va(a, c, b, e, d, f, g, k) {
   }
   if (a = g.length) {
     if (d) {
-      g = 1 < g.length ? ya(g, b, e) : (g = g[0]).length > b || e ? g.slice(e, b + e) : g;
+      g = 1 < g.length ? xa(g, b, e) : (g = g[0]).length > b || e ? g.slice(e, b + e) : g;
     } else {
       if (a < f) {
         return [];
@@ -615,7 +606,7 @@ function va(a, c, b, e, d, f, g, k) {
   }
   return g;
 }
-function ya(a, c, b) {
+function xa(a, c, b) {
   const e = [], d = C();
   let f;
   var g = a.length;
@@ -637,7 +628,7 @@ function ya(a, c, b) {
   }
   return e;
 }
-function za(a, c) {
+function ya(a, c) {
   const b = C(), e = [];
   for (let d = 0, f; d < c.length; d++) {
     f = c[d];
@@ -650,7 +641,7 @@ function za(a, c) {
   }
   return e;
 }
-;function Aa(a, c, b, e) {
+;function za(a, c, b, e) {
   if (!a.length) {
     return a;
   }
@@ -681,7 +672,7 @@ function za(a, c) {
   d = 1 < d.length ? [].concat.apply([], d) : d[0];
   return e ? W.call(this, d) : d;
 }
-;function Ba(a, c, b) {
+;function Aa(a, c, b) {
   var e = b[0];
   if (e.then) {
     return Promise.all(b).then(function(m) {
@@ -728,10 +719,10 @@ function za(a, c) {
   return {O:e, P:d, limit:f, offset:g, enrich:k, resolve:h, suggest:l};
 }
 ;X.prototype.or = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Ba(this, "or", arguments);
-  return Ca.call(this, a, c, b, e, d, f);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f} = Aa(this, "or", arguments);
+  return Ba.call(this, a, c, b, e, d, f);
 };
-function Ca(a, c, b, e, d, f) {
+function Ba(a, c, b, e, d, f) {
   if (c.length) {
     const g = this;
     return Promise.all(c).then(function(k) {
@@ -739,10 +730,10 @@ function Ca(a, c, b, e, d, f) {
       for (let h = 0, l; h < k.length; h++) {
         (l = k[h]).length && (a[h] = l);
       }
-      return Ca.call(g, a, [], b, e, d, f);
+      return Ba.call(g, a, [], b, e, d, f);
     });
   }
-  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = ya(a, b, e), e = 0));
+  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = xa(a, b, e), e = 0));
   return f ? this.resolve(b, e, d) : this;
 }
 ;X.prototype.and = function() {
@@ -752,11 +743,40 @@ function Ca(a, c, b, e, d, f) {
     f && (a = !!f.suggest, d = f.resolve, c = f.limit, b = f.offset, e = f.enrich && d);
   }
   if (a) {
-    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:m, suggest:n} = Ba(this, "and", arguments);
-    return Da.call(this, f, g, k, h, l, m, n);
+    const {O:f, P:g, limit:k, offset:h, enrich:l, resolve:m, suggest:n} = Aa(this, "and", arguments);
+    return Ca.call(this, f, g, k, h, l, m, n);
   }
   return d ? this.resolve(c, b, e) : this;
 };
+function Ca(a, c, b, e, d, f, g) {
+  if (c.length) {
+    const k = this;
+    return Promise.all(c).then(function(h) {
+      a = [];
+      for (let l = 0, m; l < h.length; l++) {
+        (m = h[l]).length && (a[l] = m);
+      }
+      return Ca.call(k, a, [], b, e, d, f, g);
+    });
+  }
+  if (a.length) {
+    if (this.result.length && a.unshift(this.result), 2 > a.length) {
+      this.result = a[0];
+    } else {
+      if (c = aa(a)) {
+        return this.result = wa(a, c, b, e, g), f ? d ? W.call(this.index, this.result) : this.result : this;
+      }
+      this.result = [];
+    }
+  } else {
+    g || (this.result = a);
+  }
+  return f ? this.resolve(b, e, d) : this;
+}
+;X.prototype.xor = function() {
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Aa(this, "xor", arguments);
+  return Da.call(this, a, c, b, e, d, f, g);
+};
 function Da(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
@@ -772,43 +792,14 @@ function Da(a, c, b, e, d, f, g) {
     if (this.result.length && a.unshift(this.result), 2 > a.length) {
       this.result = a[0];
     } else {
-      if (c = aa(a)) {
-        return this.result = xa(a, c, b, e, g), f ? d ? W.call(this.index, this.result) : this.result : this;
-      }
-      this.result = [];
+      return this.result = Ea.call(this, a, b, e, f, this.h), f ? d ? W.call(this.index, this.result) : this.result : this;
     }
   } else {
     g || (this.result = a);
   }
   return f ? this.resolve(b, e, d) : this;
 }
-;X.prototype.xor = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ba(this, "xor", arguments);
-  return Ea.call(this, a, c, b, e, d, f, g);
-};
-function Ea(a, c, b, e, d, f, g) {
-  if (c.length) {
-    const k = this;
-    return Promise.all(c).then(function(h) {
-      a = [];
-      for (let l = 0, m; l < h.length; l++) {
-        (m = h[l]).length && (a[l] = m);
-      }
-      return Ea.call(k, a, [], b, e, d, f, g);
-    });
-  }
-  if (a.length) {
-    if (this.result.length && a.unshift(this.result), 2 > a.length) {
-      this.result = a[0];
-    } else {
-      return this.result = Fa.call(this, a, b, e, f, this.h), f ? d ? W.call(this.index, this.result) : this.result : this;
-    }
-  } else {
-    g || (this.result = a);
-  }
-  return f ? this.resolve(b, e, d) : this;
-}
-function Fa(a, c, b, e, d) {
+function Ea(a, c, b, e, d) {
   const f = [], g = C();
   let k = 0;
   for (let h = 0, l; h < a.length; h++) {
@@ -854,10 +845,10 @@ function Fa(a, c, b, e, d) {
   return f;
 }
 ;X.prototype.not = function() {
-  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Ba(this, "not", arguments);
-  return Ga.call(this, a, c, b, e, d, f, g);
+  const {O:a, P:c, limit:b, offset:e, enrich:d, resolve:f, suggest:g} = Aa(this, "not", arguments);
+  return Fa.call(this, a, c, b, e, d, f, g);
 };
-function Ga(a, c, b, e, d, f, g) {
+function Fa(a, c, b, e, d, f, g) {
   if (c.length) {
     const k = this;
     return Promise.all(c).then(function(h) {
@@ -865,17 +856,17 @@ function Ga(a, c, b, e, d, f, g) {
       for (let l = 0, m; l < h.length; l++) {
         (m = h[l]).length && (a[l] = m);
       }
-      return Ga.call(k, a, [], b, e, d, f, g);
+      return Fa.call(k, a, [], b, e, d, f, g);
     });
   }
   if (a.length && this.result.length) {
-    this.result = Ha.call(this, a, b, e, f);
+    this.result = Ga.call(this, a, b, e, f);
   } else if (f) {
     return this.resolve(b, e, d);
   }
   return f ? d ? W.call(this.index, this.result) : this.result : this;
 }
-function Ha(a, c, b, e) {
+function Ga(a, c, b, e) {
   const d = [];
   a = new Set(a.flat().flat());
   for (let f = 0, g, k = 0; f < this.result.length; f++) {
@@ -950,7 +941,7 @@ X.prototype.boost = function(a) {
 X.prototype.resolve = function(a, c, b) {
   const e = this.result, d = this.index;
   this.result = this.index = null;
-  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), Aa.call(d, e, a || 100, c, b)) : e;
+  return e.length ? ("object" === typeof a && (b = a.enrich, c = a.offset, a = a.limit), za.call(d, e, a || 100, c, b)) : e;
 };
 C();
 V.prototype.search = function(a, c, b, e) {
@@ -1012,7 +1003,7 @@ V.prototype.search = function(a, c, b, e) {
         f = [];
         if (u.length) {
           for (p = 0; p < u.length; p += 2) {
-            q = Ia.call(this, u[p], u[p + 1], c, t, g), d.push({field:u[p], tag:u[p + 1], result:q});
+            q = Ha.call(this, u[p], u[p + 1], c, t, g), d.push({field:u[p], tag:u[p + 1], result:q});
           }
         }
         return f.length ? Promise.all(f).then(function(y) {
@@ -1046,7 +1037,7 @@ V.prototype.search = function(a, c, b, e) {
     if (l && F) {
       w = [];
       z = 0;
-      for (let G = 0, H, Wa; G < l.length; G += 2) {
+      for (let G = 0, H, Xa; G < l.length; G += 2) {
         H = this.tag.get(l[G]);
         if (!H) {
           if (console.warn("Tag '" + l[G] + ":" + l[G + 1] + "' will be skipped because there is no field '" + l[G] + "'."), k) {
@@ -1055,14 +1046,14 @@ V.prototype.search = function(a, c, b, e) {
             return n ? d : new X(d);
           }
         }
-        if (Wa = (H = H && H.get(l[G + 1])) && H.length) {
+        if (Xa = (H = H && H.get(l[G + 1])) && H.length) {
           z++, w.push(H);
         } else if (!k) {
           return n ? d : new X(d);
         }
       }
       if (z) {
-        v = za(v, w);
+        v = ya(v, w);
         F = v.length;
         if (!F && !k) {
           return n ? v : new X(v);
@@ -1097,9 +1088,9 @@ V.prototype.search = function(a, c, b, e) {
     }
     d[t] = {field:f[t], result:e};
   }
-  return q ? Ja(d, c) : r ? Ka(d, a, this.index, this.field, this.C, r) : d;
+  return q ? Ia(d, c) : r ? Ja(d, a, this.index, this.field, this.C, r) : d;
 };
-function Ka(a, c, b, e, d, f) {
+function Ja(a, c, b, e, d, f) {
   let g, k, h;
   for (let m = 0, n, r, p, q; m < a.length; m++) {
     let t = a[m].result;
@@ -1144,7 +1135,7 @@ function Ka(a, c, b, e, d, f) {
   }
   return a;
 }
-function Ja(a, c) {
+function Ia(a, c) {
   const b = [], e = C();
   for (let d = 0, f, g; d < a.length; d++) {
     f = a[d];
@@ -1163,7 +1154,7 @@ function Ja(a, c) {
   }
   return b;
 }
-function Ia(a, c, b, e, d) {
+function Ha(a, c, b, e, d) {
   let f = this.tag.get(a);
   if (!f) {
     return console.warn("Tag '" + a + "' was not found"), [];
@@ -1195,7 +1186,7 @@ function W(a) {
   this.C = [];
   this.field = [];
   this.J = [];
-  this.key = (b = c.key || c.id) && La(b, this.J) || "id";
+  this.key = (b = c.key || c.id) && Ka(b, this.J) || "id";
   this.reg = (this.fastupdate = !!a.fastupdate) ? new Map() : new Set();
   this.A = (b = c.store || null) && b && !0 !== b && [];
   this.store = b && new Map();
@@ -1206,13 +1197,13 @@ function W(a) {
   let e = c.index || c.field || c;
   D(e) && (e = [e]);
   for (let d = 0, f, g; d < e.length; d++) {
-    f = e[d], D(f) || (g = f, f = f.field), g = I(g) ? Object.assign({}, a, g) : a, b.set(f, new O(g, this.reg)), g.custom ? this.C[d] = g.custom : (this.C[d] = La(f, this.J), g.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = g.filter)), this.field[d] = f;
+    f = e[d], D(f) || (g = f, f = f.field), g = I(g) ? Object.assign({}, a, g) : a, b.set(f, new O(g, this.reg)), g.custom ? this.C[d] = g.custom : (this.C[d] = Ka(f, this.J), g.filter && ("string" === typeof this.C[d] && (this.C[d] = new String(this.C[d])), this.C[d].I = g.filter)), this.field[d] = f;
   }
   if (this.A) {
     a = c.store;
     D(a) && (a = [a]);
     for (let d = 0, f, g; d < a.length; d++) {
-      f = a[d], g = f.field || f, f.custom ? (this.A[d] = f.custom, f.custom.U = g) : (this.A[d] = La(g, this.J), f.filter && ("string" === typeof this.A[d] && (this.A[d] = new String(this.A[d])), this.A[d].I = f.filter));
+      f = a[d], g = f.field || f, f.custom ? (this.A[d] = f.custom, f.custom.U = g) : (this.A[d] = Ka(g, this.J), f.filter && ("string" === typeof this.A[d] && (this.A[d] = new String(this.A[d])), this.A[d].I = f.filter));
     }
   }
   this.index = b;
@@ -1228,14 +1219,14 @@ function W(a) {
         if (!g) {
           throw Error("The tag field from the document descriptor is undefined.");
         }
-        f.custom ? this.B[d] = f.custom : (this.B[d] = La(g, this.J), f.filter && ("string" === typeof this.B[d] && (this.B[d] = new String(this.B[d])), this.B[d].I = f.filter));
+        f.custom ? this.B[d] = f.custom : (this.B[d] = Ka(g, this.J), f.filter && ("string" === typeof this.B[d] && (this.B[d] = new String(this.B[d])), this.B[d].I = f.filter));
         this.T[d] = g;
         this.tag.set(g, new Map());
       }
     }
   }
 }
-function La(a, c) {
+function Ka(a, c) {
   const b = a.split(":");
   let e = 0;
   for (let d = 0; d < b.length; d++) {
@@ -1303,7 +1294,7 @@ x.set = function(a, c) {
   this.store.set(a, c);
   return this;
 };
-x.searchCache = Ma;
+x.searchCache = La;
 x.export = function(a, c, b = 0, e = 0) {
   if (b < this.field.length) {
     const g = this.field[b];
@@ -1319,17 +1310,17 @@ x.export = function(a, c, b = 0, e = 0) {
   switch(e) {
     case 0:
       d = "reg";
-      f = sa(this.reg);
+      f = ra(this.reg);
       c = null;
       break;
     case 1:
       d = "tag";
-      f = this.tag && qa(this.tag, this.reg.size);
+      f = this.tag && pa(this.tag, this.reg.size);
       c = null;
       break;
     case 2:
       d = "doc";
-      f = this.store && oa(this.store);
+      f = this.store && na(this.store);
       c = null;
       break;
     default:
@@ -1350,21 +1341,21 @@ x.import = function(a, c) {
     switch(b) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ta(c, this.reg);
+        this.reg = sa(c, this.reg);
         for (let e = 0, d; e < this.field.length; e++) {
           d = this.index.get(this.field[e]), d.fastupdate = !1, d.reg = this.reg;
         }
         break;
       case "tag":
-        this.tag = ra(c, this.tag);
+        this.tag = qa(c, this.tag);
         break;
       case "doc":
-        this.store = pa(c, this.store);
+        this.store = oa(c, this.store);
     }
   }
 };
-ja(V.prototype);
-function Ma(a, c, b) {
+ia(V.prototype);
+function La(a, c, b) {
   a = ("object" === typeof a ? "" + a.query : a).toLowerCase();
   this.cache || (this.cache = new Y());
   let e = this.cache.get(a);
@@ -1405,31 +1396,22 @@ Y.prototype.clear = function() {
   this.cache.clear();
   this.h = "";
 };
-const Na = {normalize:function(a) {
-  return a.toLowerCase();
-}};
-const Oa = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
-const Pa = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), Qa = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
-const Ra = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
-const Sa = /[\x00-\x7F]+/g;
-const Ta = /[\x00-\x7F]+/g;
-const Ua = /[\x00-\x7F]+/g;
-var Va = {LatinExact:{split:/\s+/, normalize:!1}, LatinDefault:Na, LatinSimple:{normalize:!0, dedupe:!0}, LatinBalance:{normalize:!0, dedupe:!0, mapper:Oa}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Oa, matcher:Pa, replacer:Qa}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Oa, replacer:Qa.concat([/(?!^)[aeo]/g, ""]), matcher:Pa}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
+const Ma = {normalize:!1, numeric:!1, split:/\s+/};
+const Na = {normalize:!0};
+const Oa = {normalize:!0, dedupe:!0};
+const Pa = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
+const Qa = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), Ra = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
+const Sa = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
+var Ta = {W:Ma, V:Na, X:Oa, LatinBalance:{normalize:!0, dedupe:!0, mapper:Pa}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Pa, matcher:Qa, replacer:Ra}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Pa, replacer:Ra.concat([/(?!^)[aeo]/g, ""]), matcher:Qa}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
   for (let b = 0; b < a.length; b++) {
     var c = a[b];
-    let e = c.charAt(0), d = Ra[e];
-    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = Ra[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
+    let e = c.charAt(0), d = Sa[e];
+    for (let f = 1, g; f < c.length && (g = c.charAt(f), "h" === g || "w" === g || !(g = Sa[g]) || g === d || (e += g, d = g, 4 !== e.length)); f++) {
     }
     a[b] = e;
   }
-}}, ArabicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(Sa, " ");
-}}, CjkDefault:{normalize:!1, dedupe:!0, split:"", prepare:function(a) {
-  return ("" + a).replace(Ta, "");
-}}, CyrillicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(Ua, " ");
-}}};
-const Xa = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
+}}, LatinExact:Ma, LatinDefault:Na, LatinSimple:Oa};
+const Ua = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
 O.prototype.add = function(a, c, b, e) {
   if (c && (a || 0 === a)) {
     if (!e && !b && this.reg.has(a)) {
@@ -1442,7 +1424,7 @@ O.prototype.add = function(a, c, b, e) {
         let q = c[this.rtl ? e - 1 - p : p];
         var d = q.length;
         if (d && (n || !m[q])) {
-          var f = this.score ? this.score(c, q, p, null, 0) : Ya(r, e, p), g = "";
+          var f = this.score ? this.score(c, q, p, null, 0) : Va(r, e, p), g = "";
           switch(this.tokenize) {
             case "full":
               if (2 < d) {
@@ -1450,17 +1432,18 @@ O.prototype.add = function(a, c, b, e) {
                   for (f = d; f > t; f--) {
                     g = q.substring(t, f);
                     u = this.rtl ? d - 1 - t : t;
-                    var k = this.score ? this.score(c, q, p, g, u) : Ya(r, e, p, d, u);
+                    var k = this.score ? this.score(c, q, p, g, u) : Va(r, e, p, d, u);
                     Z(this, m, g, k, a, b);
                   }
                 }
                 break;
               }
+            case "bidirectional":
             case "reverse":
               if (1 < d) {
                 for (k = d - 1; 0 < k; k--) {
                   g = q[this.rtl ? d - 1 - k : k] + g;
-                  var h = this.score ? this.score(c, q, p, g, k) : Ya(r, e, p, d, k);
+                  var h = this.score ? this.score(c, q, p, g, k) : Va(r, e, p, d, k);
                   Z(this, m, g, h, a, b);
                 }
                 g = "";
@@ -1477,7 +1460,7 @@ O.prototype.add = function(a, c, b, e) {
                 for (d = C(), g = this.S, f = q, k = Math.min(n + 1, this.rtl ? p + 1 : e - p), d[f] = 1, h = 1; h < k; h++) {
                   if ((q = c[this.rtl ? e - 1 - p - h : p + h]) && !d[q]) {
                     d[q] = 1;
-                    const t = this.score ? this.score(c, f, p, q, h - 1) : Ya(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), u = this.bidirectional && q > f;
+                    const t = this.score ? this.score(c, f, p, q, h - 1) : Va(g + (e / 2 > g ? 0 : 1), e, p, k - 1, h - 1), u = this.bidirectional && q > f;
                     Z(this, l, u ? f : q, t, a, b, u ? q : f);
                   }
                 }
@@ -1496,7 +1479,7 @@ function Z(a, c, b, e, d, f, g) {
     g ? (c = h || (c[b] = C()), c[g] = 1, (h = k.get(g)) ? k = h : k.set(g, k = new Map())) : c[b] = 1, (h = k.get(b)) ? k = h : k.set(b, k = []), k = k[e] || (k[e] = []), f && k.includes(d) || (k.push(d), a.fastupdate && ((c = a.reg.get(d)) ? c.push(k) : a.reg.set(d, [k])));
   }
 }
-function Ya(a, c, b, e, d) {
+function Va(a, c, b, e, d) {
   return b && 1 < a ? c + (e || 0) <= a ? b + (d || 0) : (a - 1) / (c + (e || 0)) * (b + (d || 0)) + 1 | 0 : 0;
 }
 ;O.prototype.search = function(a, c, b) {
@@ -1517,11 +1500,11 @@ function Ya(a, c, b, e, d) {
   b = a.length;
   c = c || (k ? 100 : 0);
   if (1 === b) {
-    return g = c, (c = Za(this, a[0], "")) && c.length ? Aa.call(this, c, g, d) : [];
+    return g = c, (c = Wa(this, a[0], "")) && c.length ? za.call(this, c, g, d) : [];
   }
   f = this.depth && !1 !== f;
   if (2 === b && f && !g) {
-    return g = c, (c = Za(this, a[0], a[1])) && c.length ? Aa.call(this, c, g, d) : [];
+    return g = c, (c = Wa(this, a[0], a[1])) && c.length ? za.call(this, c, g, d) : [];
   }
   k = C();
   let l = 0;
@@ -1533,7 +1516,7 @@ function Ya(a, c, b, e, d) {
   for (let q, t; l < b; l++) {
     if ((t = a[l]) && !k[t]) {
       k[t] = 1;
-      q = Za(this, t, m);
+      q = Wa(this, t, m);
       a: {
         f = q;
         var n = e, r = g, p = h;
@@ -1570,16 +1553,16 @@ function Ya(a, c, b, e, d) {
     e = a.length;
     m = a;
     if (1 < e) {
-      m = xa(a, h, c, d, g);
+      m = wa(a, h, c, d, g);
     } else if (1 === e) {
-      g = Aa.call(null, a[0], c, d);
+      g = za.call(null, a[0], c, d);
       break a;
     }
     g = m;
   }
   return g;
 };
-function Za(a, c, b) {
+function Wa(a, c, b) {
   let e;
   b && (e = a.bidirectional && c > b) && (e = b, b = c, c = e);
   a = b ? (a = a.ctx.get(b)) && a.get(c) : a.map.get(c);
@@ -1600,14 +1583,14 @@ function Za(a, c, b) {
         }
       }
     } else {
-      $a(this.map, a), this.depth && $a(this.ctx, a);
+      Ya(this.map, a), this.depth && Ya(this.ctx, a);
     }
     c || this.reg.delete(a);
   }
   this.cache && this.cache.remove(a);
   return this;
 };
-function $a(a, c) {
+function Ya(a, c) {
   let b = 0;
   if (a.constructor === Array) {
     for (let e = 0, d, f; e < a.length; e++) {
@@ -1622,7 +1605,7 @@ function $a(a, c) {
     }
   } else {
     for (let e of a.entries()) {
-      const d = e[0], f = $a(e[1], c);
+      const d = e[0], f = Ya(e[1], c);
       f ? b += f : a.delete(d);
     }
   }
@@ -1634,15 +1617,15 @@ function $a(a, c) {
   }
   if (a) {
     var b = D(a) ? a : a.preset;
-    b && (Xa[b] || console.warn("Preset not found: " + b), a = Object.assign({}, Xa[b], a));
+    b && (Ua[b] || console.warn("Preset not found: " + b), a = Object.assign({}, Ua[b], a));
   } else {
     a = {};
   }
   b = a.context;
-  const e = !0 === b ? {depth:1} : b || {}, d = D(a.encoder) ? Va[a.encoder] : a.encode || a.encoder || Na;
+  const e = !0 === b ? {depth:1} : b || {}, d = D(a.encoder) ? Ta[a.encoder] : a.encode || a.encoder || Na;
   this.encoder = d.encode ? d : "object" === typeof d ? new K(d) : {encode:d};
   this.resolution = a.resolution || 9;
-  this.tokenize = b = (b = a.tokenize) && "default" !== b && b || "strict";
+  this.tokenize = b = (b = a.tokenize) && "default" !== b && "exact" !== b && b || "strict";
   this.depth = "strict" === b && e.depth || 0;
   this.bidirectional = !1 !== e.bidirectional;
   this.fastupdate = !!a.fastupdate;
@@ -1675,7 +1658,7 @@ x.update = function(a, c) {
   const b = this, e = this.remove(a);
   return e && e.then ? e.then(() => b.add(a, c)) : this.add(a, c);
 };
-function ab(a) {
+function Za(a) {
   let c = 0;
   if (a.constructor === Array) {
     for (let b = 0, e; b < a.length; b++) {
@@ -1683,7 +1666,7 @@ function ab(a) {
     }
   } else {
     for (const b of a.entries()) {
-      const e = b[0], d = ab(b[1]);
+      const e = b[0], d = Za(b[1]);
       d ? c += d : a.delete(e);
     }
   }
@@ -1693,17 +1676,17 @@ x.cleanup = function() {
   if (!this.fastupdate) {
     return console.info('Cleanup the index isn\'t required when not using "fastupdate".'), this;
   }
-  ab(this.map);
-  this.depth && ab(this.ctx);
+  Za(this.map);
+  this.depth && Za(this.ctx);
   return this;
 };
-x.searchCache = Ma;
+x.searchCache = La;
 x.export = function(a, c, b = 0, e = 0) {
   let d, f;
   switch(e) {
     case 0:
       d = "reg";
-      f = sa(this.reg);
+      f = ra(this.reg);
       break;
     case 1:
       d = "cfg";
@@ -1711,11 +1694,11 @@ x.export = function(a, c, b = 0, e = 0) {
       break;
     case 2:
       d = "map";
-      f = oa(this.map, this.reg.size);
+      f = na(this.map, this.reg.size);
       break;
     case 3:
       d = "ctx";
-      f = qa(this.ctx, this.reg.size);
+      f = pa(this.ctx, this.reg.size);
       break;
     default:
       return;
@@ -1727,13 +1710,13 @@ x.import = function(a, c) {
     switch("string" === typeof c && (c = JSON.parse(c)), a = a.split("."), "json" === a[a.length - 1] && a.pop(), 3 === a.length && a.shift(), a = 1 < a.length ? a[1] : a[0], a) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = ta(c, this.reg);
+        this.reg = sa(c, this.reg);
         break;
       case "map":
-        this.map = pa(c, this.map);
+        this.map = oa(c, this.map);
         break;
       case "ctx":
-        this.ctx = ra(c, this.ctx);
+        this.ctx = qa(c, this.ctx);
     }
   }
 };
@@ -1745,11 +1728,11 @@ x.serialize = function(a = !0) {
       f || (f = typeof d), c += (c ? "," : "") + ("string" === f ? '"' + d + '"' : d);
     }
     c = "index.reg=new Set([" + c + "]);";
-    b = ua(this.map, f);
+    b = ta(this.map, f);
     b = "index.map=new Map([" + b + "]);";
     for (const g of this.ctx.entries()) {
       d = g[0];
-      let k = ua(g[1], f);
+      let k = ta(g[1], f);
       k = "new Map([" + k + "])";
       k = '["' + d + '",' + k + "]";
       e += (e ? "," : "") + k;
@@ -1758,8 +1741,8 @@ x.serialize = function(a = !0) {
   }
   return a ? "function inject(index){" + c + b + e + "}" : c + b + e;
 };
-ja(O.prototype);
+ia(O.prototype);
 C();
-export default {Index:O, Charset:Va, Encoder:K, Document:V, Worker:null, Resolver:null, IndexedDB:null, Language:{}};
+export default {Index:O, Charset:Ta, Encoder:K, Document:V, Worker:null, Resolver:null, IndexedDB:null, Language:{}};
 
-export const Index=O;export const  Charset=Va;export const  Encoder=K;export const  Document=V;export const  Worker=null;export const  Resolver=null;export const  IndexedDB=null;export const  Language={};
\ No newline at end of file
+export const Index=O;export const  Charset=Ta;export const  Encoder=K;export const  Document=V;export const  Worker=null;export const  Resolver=null;export const  IndexedDB=null;export const  Language={};
\ No newline at end of file
diff --git a/dist/flexsearch.compact.module.min.js b/dist/flexsearch.compact.module.min.js
index e2137c0..6a02807 100644
--- a/dist/flexsearch.compact.module.min.js
+++ b/dist/flexsearch.compact.module.min.js
@@ -1,71 +1,65 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle)
+ * FlexSearch.js v0.8.143 (Bundle)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
  * https://github.com/nextapps-de/flexsearch
  */
 var x;function B(a,c,b){const e=typeof b,d=typeof a;if("undefined"!==e){if("undefined"!==d){if(b){if("function"===d&&e===d)return function(k){return a(b(k))};c=a.constructor;if(c===b.constructor){if(c===Array)return b.concat(a);if(c===Map){var f=new Map(b);for(var g of a)f.set(g[0],g[1]);return f}if(c===Set){g=new Set(b);for(f of a.values())g.add(f);return g}}}return a}return b}return"undefined"===d?c:a}function C(){return Object.create(null)}function D(a){return"string"===typeof a}
-function H(a){return"object"===typeof a}function I(a,c){if(D(c))a=a[c];else for(let b=0;a&&b<c.length;b++)a=a[c[b]];return a}function aa(a){let c=0;for(let b=0,e;b<a.length;b++)(e=a[b])&&c<e.length&&(c=e.length);return c};var ba=[["\u00aa","a"],["\u00b2","2"],["\u00b3","3"],["\u00b9","1"],["\u00ba","o"],["\u00bc","1\u20444"],["\u00bd","1\u20442"],["\u00be","3\u20444"],["\u00e0","a"],["\u00e1","a"],["\u00e2","a"],["\u00e3","a"],["\u00e4","a"],["\u00e5","a"],["\u00e7","c"],["\u00e8","e"],["\u00e9","e"],["\u00ea","e"],["\u00eb","e"],["\u00ec","i"],["\u00ed","i"],["\u00ee","i"],["\u00ef","i"],["\u00f1","n"],["\u00f2","o"],["\u00f3","o"],["\u00f4","o"],["\u00f5","o"],["\u00f6","o"],["\u00f9","u"],["\u00fa","u"],["\u00fb",
-"u"],["\u00fc","u"],["\u00fd","y"],["\u00ff","y"],["\u0101","a"],["\u0103","a"],["\u0105","a"],["\u0107","c"],["\u0109","c"],["\u010b","c"],["\u010d","c"],["\u010f","d"],["\u0113","e"],["\u0115","e"],["\u0117","e"],["\u0119","e"],["\u011b","e"],["\u011d","g"],["\u011f","g"],["\u0121","g"],["\u0123","g"],["\u0125","h"],["\u0129","i"],["\u012b","i"],["\u012d","i"],["\u012f","i"],["\u0133","ij"],["\u0135","j"],["\u0137","k"],["\u013a","l"],["\u013c","l"],["\u013e","l"],["\u0140","l"],["\u0144","n"],
-["\u0146","n"],["\u0148","n"],["\u0149","n"],["\u014d","o"],["\u014f","o"],["\u0151","o"],["\u0155","r"],["\u0157","r"],["\u0159","r"],["\u015b","s"],["\u015d","s"],["\u015f","s"],["\u0161","s"],["\u0163","t"],["\u0165","t"],["\u0169","u"],["\u016b","u"],["\u016d","u"],["\u016f","u"],["\u0171","u"],["\u0173","u"],["\u0175","w"],["\u0177","y"],["\u017a","z"],["\u017c","z"],["\u017e","z"],["\u017f","s"],["\u01a1","o"],["\u01b0","u"],["\u01c6","dz"],["\u01c9","lj"],["\u01cc","nj"],["\u01ce","a"],["\u01d0",
-"i"],["\u01d2","o"],["\u01d4","u"],["\u01d6","u"],["\u01d8","u"],["\u01da","u"],["\u01dc","u"],["\u01df","a"],["\u01e1","a"],["\u01e3","ae"],["\u00e6","ae"],["\u01fd","ae"],["\u01e7","g"],["\u01e9","k"],["\u01eb","o"],["\u01ed","o"],["\u01ef","\u0292"],["\u01f0","j"],["\u01f3","dz"],["\u01f5","g"],["\u01f9","n"],["\u01fb","a"],["\u01ff","\u00f8"],["\u0201","a"],["\u0203","a"],["\u0205","e"],["\u0207","e"],["\u0209","i"],["\u020b","i"],["\u020d","o"],["\u020f","o"],["\u0211","r"],["\u0213","r"],["\u0215",
-"u"],["\u0217","u"],["\u0219","s"],["\u021b","t"],["\u021f","h"],["\u0227","a"],["\u0229","e"],["\u022b","o"],["\u022d","o"],["\u022f","o"],["\u0231","o"],["\u0233","y"],["\u02b0","h"],["\u02b1","h"],["\u0266","h"],["\u02b2","j"],["\u02b3","r"],["\u02b4","\u0279"],["\u02b5","\u027b"],["\u02b6","\u0281"],["\u02b7","w"],["\u02b8","y"],["\u02e0","\u0263"],["\u02e1","l"],["\u02e2","s"],["\u02e3","x"],["\u02e4","\u0295"],["\u0390","\u03b9"],["\u03ac","\u03b1"],["\u03ad","\u03b5"],["\u03ae","\u03b7"],["\u03af",
-"\u03b9"],["\u03b0","\u03c5"],["\u03ca","\u03b9"],["\u03cb","\u03c5"],["\u03cc","\u03bf"],["\u03cd","\u03c5"],["\u03ce","\u03c9"],["\u03d0","\u03b2"],["\u03d1","\u03b8"],["\u03d2","\u03a5"],["\u03d3","\u03a5"],["\u03d4","\u03a5"],["\u03d5","\u03c6"],["\u03d6","\u03c0"],["\u03f0","\u03ba"],["\u03f1","\u03c1"],["\u03f2","\u03c2"],["\u03f5","\u03b5"],["\u0439","\u0438"],["\u0450","\u0435"],["\u0451","\u0435"],["\u0453","\u0433"],["\u0457","\u0456"],["\u045c","\u043a"],["\u045d","\u0438"],["\u045e","\u0443"],
-["\u0477","\u0475"],["\u04c2","\u0436"],["\u04d1","\u0430"],["\u04d3","\u0430"],["\u04d7","\u0435"],["\u04db","\u04d9"],["\u04dd","\u0436"],["\u04df","\u0437"],["\u04e3","\u0438"],["\u04e5","\u0438"],["\u04e7","\u043e"],["\u04eb","\u04e9"],["\u04ed","\u044d"],["\u04ef","\u0443"],["\u04f1","\u0443"],["\u04f3","\u0443"],["\u04f5","\u0447"]];const ca=/[^\p{L}\p{N}]+/u,da=/(\d{3})/g,ea=/(\D)(\d{3})/g,fa=/(\d{3})(\D)/g,ha="".normalize&&/[\u0300-\u036f]/g;function K(a={}){if(!this||this.constructor!==K)return new K(...arguments);if(arguments.length)for(a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}x=K.prototype;
+function H(a){return"object"===typeof a}function I(a,c){if(D(c))a=a[c];else for(let b=0;a&&b<c.length;b++)a=a[c[b]];return a}function aa(a){let c=0;for(let b=0,e;b<a.length;b++)(e=a[b])&&c<e.length&&(c=e.length);return c};const ba=/[^\p{L}\p{N}]+/u,ca=/(\d{3})/g,da=/(\D)(\d{3})/g,ea=/(\d{3})(\D)/g,fa=/[\u0300-\u036f]/g;function K(a={}){if(!this||this.constructor!==K)return new K(...arguments);if(arguments.length)for(a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}x=K.prototype;
 x.assign=function(a){this.normalize=B(a.normalize,!0,this.normalize);let c=a.include,b=c||a.exclude||a.split,e;if(b||""===b){if("object"===typeof b&&b.constructor!==RegExp){let d="";e=!c;c||(d+="\\p{Z}");b.letter&&(d+="\\p{L}");b.number&&(d+="\\p{N}",e=!!c);b.symbol&&(d+="\\p{S}");b.punctuation&&(d+="\\p{P}");b.control&&(d+="\\p{C}");if(b=b.char)d+="object"===typeof b?b.join(""):b;try{this.split=new RegExp("["+(c?"^":"")+d+"]+","u")}catch(f){this.split=/\s+/}}else this.split=b,e=!1===b||2>"a1a".split(b).length;
-this.numeric=B(a.numeric,e)}else{try{this.split=B(this.split,ca)}catch(d){this.split=/\s+/}this.numeric=B(a.numeric,B(this.numeric,!0))}this.prepare=B(a.prepare,null,this.prepare);this.finalize=B(a.finalize,null,this.finalize);ha||(this.mapper=new Map(ba));b=a.filter;this.filter="function"===typeof b?b:B(b&&new Set(b),null,this.filter);this.dedupe=B(a.dedupe,!1,this.dedupe);this.matcher=B((b=a.matcher)&&new Map(b),null,this.matcher);this.mapper=B((b=a.mapper)&&new Map(b),null,this.mapper);this.stemmer=
-B((b=a.stemmer)&&new Map(b),null,this.stemmer);this.replacer=B(a.replacer,null,this.replacer);this.minlength=B(a.minlength,1,this.minlength);this.maxlength=B(a.maxlength,0,this.maxlength);this.rtl=B(a.rtl,!1,this.rtl);if(this.cache=b=B(a.cache,!0,this.cache))this.H=null,this.R="number"===typeof b?b:2E5,this.F=new Map,this.G=new Map,this.L=this.K=128;this.h="";this.M=null;this.D="";this.N=null;if(this.matcher)for(const d of this.matcher.keys())this.h+=(this.h?"|":"")+d;if(this.stemmer)for(const d of this.stemmer.keys())this.D+=
+this.numeric=B(a.numeric,e)}else{try{this.split=B(this.split,ba)}catch(d){this.split=/\s+/}this.numeric=B(a.numeric,B(this.numeric,!0))}this.prepare=B(a.prepare,null,this.prepare);this.finalize=B(a.finalize,null,this.finalize);b=a.filter;this.filter="function"===typeof b?b:B(b&&new Set(b),null,this.filter);this.dedupe=B(a.dedupe,!1,this.dedupe);this.matcher=B((b=a.matcher)&&new Map(b),null,this.matcher);this.mapper=B((b=a.mapper)&&new Map(b),null,this.mapper);this.stemmer=B((b=a.stemmer)&&new Map(b),
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-x.import=function(a,c){if(c)switch("string"===typeof c&&(c=JSON.parse(c)),a=a.split("."),"json"===a[a.length-1]&&a.pop(),3===a.length&&a.shift(),a=1<a.length?a[1]:a[0],a){case "reg":this.fastupdate=!1;this.reg=ta(c,this.reg);break;case "map":this.map=pa(c,this.map);break;case "ctx":this.ctx=ra(c,this.ctx)}};
-x.serialize=function(a=!0){let c="",b="",e="";if(this.reg.size){let f;for(var d of this.reg.keys())f||(f=typeof d),c+=(c?",":"")+("string"===f?'"'+d+'"':d);c="index.reg=new Set(["+c+"]);";b=ua(this.map,f);b="index.map=new Map(["+b+"]);";for(const g of this.ctx.entries()){d=g[0];let k=ua(g[1],f);k="new Map(["+k+"])";k='["'+d+'",'+k+"]";e+=(e?",":"")+k}e="index.ctx=new Map(["+e+"]);"}return a?"function inject(index){"+c+b+e+"}":c+b+e};ja(O.prototype);C();export default {Index:O,Charset:Wa,Encoder:K,Document:V,Worker:null,Resolver:null,IndexedDB:null,Language:{}};
-export const Index=O;export const Charset=Wa;export const Encoder=K;export const Document=V;export const Worker=null;export const Resolver=null;export const IndexedDB=null;export const Language={};
\ No newline at end of file
+x.clear=function(){const a=[];for(const c of this.index.values()){const b=c.clear();b.then&&a.push(b)}if(this.tag)for(const c of this.tag.values())c.clear();this.store&&this.store.clear();this.cache&&this.cache.clear();return a.length?Promise.all(a):this};x.contain=function(a){return this.reg.has(a)};x.cleanup=function(){for(const a of this.index.values())a.cleanup();return this};x.get=function(a){return this.store.get(a)};x.set=function(a,c){this.store.set(a,c);return this};x.searchCache=La;
+x.export=function(a,c,b=0,e=0){if(b<this.field.length){const g=this.field[b];if((c=this.index.get(g).export(a,g,b,e=1))&&c.then){const k=this;return c.then(function(){return k.export(a,g,b+1)})}return this.export(a,g,b+1)}let d,f;switch(e){case 0:d="reg";f=ra(this.reg);c=null;break;case 1:d="tag";f=this.tag&&pa(this.tag,this.reg.size);c=null;break;case 2:d="doc";f=this.store&&na(this.store);c=null;break;default:return}return U.call(this,a,c,d,f,b,e)};
+x.import=function(a,c){var b=a.split(".");"json"===b[b.length-1]&&b.pop();a=2<b.length?b[0]:"";b=2<b.length?b[2]:b[1];if(c){"string"===typeof c&&(c=JSON.parse(c));if(a)return this.index.get(a).import(b,c);switch(b){case "reg":this.fastupdate=!1;this.reg=sa(c,this.reg);for(let e=0,d;e<this.field.length;e++)d=this.index.get(this.field[e]),d.fastupdate=!1,d.reg=this.reg;break;case "tag":this.tag=qa(c,this.tag);break;case "doc":this.store=oa(c,this.store)}}};ia(V.prototype);function La(a,c,b){a=("object"===typeof a?""+a.query:a).toLowerCase();this.cache||(this.cache=new Y);let e=this.cache.get(a);if(!e){e=this.search(a,c,b);if(e.then){const d=this;e.then(function(f){d.cache.set(a,f);return f})}this.cache.set(a,e)}return e}function Y(a){this.limit=a&&!0!==a?a:1E3;this.cache=new Map;this.h=""}Y.prototype.set=function(a,c){this.cache.set(this.h=a,c);this.cache.size>this.limit&&this.cache.delete(this.cache.keys().next().value)};
+Y.prototype.get=function(a){const c=this.cache.get(a);c&&this.h!==a&&(this.cache.delete(a),this.cache.set(this.h=a,c));return c};Y.prototype.remove=function(a){for(const c of this.cache){const b=c[0];c[1].includes(a)&&this.cache.delete(b)}};Y.prototype.clear=function(){this.cache.clear();this.h=""};const Ma={normalize:!1,numeric:!1,split:/\s+/};const Na={normalize:!0};const Oa={normalize:!0,dedupe:!0};const Pa=new Map([["b","p"],["v","f"],["w","f"],["z","s"],["x","s"],["d","t"],["n","m"],["c","k"],["g","k"],["j","k"],["q","k"],["i","e"],["y","e"],["u","o"]]);const Qa=new Map([["ae","a"],["oe","o"],["sh","s"],["kh","k"],["th","t"],["ph","f"],["pf","f"]]),Ra=[/([^aeo])h(.)/g,"$1$2",/([aeo])h([^aeo]|$)/g,"$1$2",/(.)\1+/g,"$1"];const Sa={a:"",e:"",i:"",o:"",u:"",y:"",b:1,f:1,p:1,v:1,c:2,g:2,j:2,k:2,q:2,s:2,x:2,z:2,"\u00df":2,d:3,t:3,l:4,m:5,n:5,r:6};var Ta={W:Ma,V:Na,X:Oa,LatinBalance:{normalize:!0,dedupe:!0,mapper:Pa},LatinAdvanced:{normalize:!0,dedupe:!0,mapper:Pa,matcher:Qa,replacer:Ra},LatinExtra:{normalize:!0,dedupe:!0,mapper:Pa,replacer:Ra.concat([/(?!^)[aeo]/g,""]),matcher:Qa},LatinSoundex:{normalize:!0,dedupe:!1,include:{letter:!0},finalize:function(a){for(let b=0;b<a.length;b++){var c=a[b];let e=c.charAt(0),d=Sa[e];for(let f=1,g;f<c.length&&(g=c.charAt(f),"h"===g||"w"===g||!(g=Sa[g])||g===d||(e+=g,d=g,4!==e.length));f++);a[b]=e}}},LatinExact:Ma,
+LatinDefault:Na,LatinSimple:Oa};const Ua={memory:{resolution:1},performance:{resolution:3,fastupdate:!0,context:{depth:1,resolution:1}},match:{tokenize:"forward"},score:{resolution:9,context:{depth:2,resolution:3}}};O.prototype.add=function(a,c,b,e){if(c&&(a||0===a)){if(!e&&!b&&this.reg.has(a))return this.update(a,c);c=this.encoder.encode(c);if(e=c.length){const l=C(),m=C(),n=this.depth,r=this.resolution;for(let p=0;p<e;p++){let q=c[this.rtl?e-1-p:p];var d=q.length;if(d&&(n||!m[q])){var f=this.score?this.score(c,q,p,null,0):Va(r,e,p),g="";switch(this.tokenize){case "full":if(2<d){for(let t=0,u;t<d;t++)for(f=d;f>t;f--){g=q.substring(t,f);u=this.rtl?d-1-t:t;var k=this.score?this.score(c,q,p,g,u):Va(r,e,p,d,u);
+Z(this,m,g,k,a,b)}break}case "bidirectional":case "reverse":if(1<d){for(k=d-1;0<k;k--){g=q[this.rtl?d-1-k:k]+g;var h=this.score?this.score(c,q,p,g,k):Va(r,e,p,d,k);Z(this,m,g,h,a,b)}g=""}case "forward":if(1<d){for(k=0;k<d;k++)g+=q[this.rtl?d-1-k:k],Z(this,m,g,f,a,b);break}default:if(Z(this,m,q,f,a,b),n&&1<e&&p<e-1)for(d=C(),g=this.S,f=q,k=Math.min(n+1,this.rtl?p+1:e-p),d[f]=1,h=1;h<k;h++)if((q=c[this.rtl?e-1-p-h:p+h])&&!d[q]){d[q]=1;const t=this.score?this.score(c,f,p,q,h-1):Va(g+(e/2>g?0:1),e,p,
+k-1,h-1),u=this.bidirectional&&q>f;Z(this,l,u?f:q,t,a,b,u?q:f)}}}}this.fastupdate||this.reg.add(a)}}return this};function Z(a,c,b,e,d,f,g){let k=g?a.ctx:a.map,h;if(!c[b]||g&&!(h=c[b])[g])g?(c=h||(c[b]=C()),c[g]=1,(h=k.get(g))?k=h:k.set(g,k=new Map)):c[b]=1,(h=k.get(b))?k=h:k.set(b,k=[]),k=k[e]||(k[e]=[]),f&&k.includes(d)||(k.push(d),a.fastupdate&&((c=a.reg.get(d))?c.push(k):a.reg.set(d,[k])))}function Va(a,c,b,e,d){return b&&1<a?c+(e||0)<=a?b+(d||0):(a-1)/(c+(e||0))*(b+(d||0))+1|0:0};O.prototype.search=function(a,c,b){b||(!c&&H(a)?(b=a,a=""):H(c)&&(b=c,c=0));var e=[],d=0;if(b){a=b.query||a;c=b.limit||c;d=b.offset||0;var f=b.context;var g=b.suggest;var k=!0;var h=b.resolution}else k=!0;a=this.encoder.encode(a);b=a.length;c=c||(k?100:0);if(1===b)return g=c,(c=Xa(this,a[0],""))&&c.length?za.call(this,c,g,d):[];f=this.depth&&!1!==f;if(2===b&&f&&!g)return g=c,(c=Xa(this,a[0],a[1]))&&c.length?za.call(this,c,g,d):[];k=C();let l=0;if(1<b&&f){var m=a[0];l=1}h||0===h||(h=m?this.S:this.resolution);
+for(let q,t;l<b;l++){if((t=a[l])&&!k[t]){k[t]=1;q=Xa(this,t,m);a:{f=q;var n=e,r=g,p=h;let u=[];if(f&&f.length){if(f.length<=p){n.push(f);q=void 0;break a}for(let w=0,z;w<p;w++)if(z=f[w])u[w]=z;if(u.length){n.push(u);q=void 0;break a}}q=r?void 0:u}if(q){e=q;break}m&&(g&&q&&e.length||(m=t))}g&&m&&l===b-1&&!e.length&&(h=this.resolution,m="",l=-1,k=C())}a:{a=e;e=a.length;m=a;if(1<e)m=wa(a,h,c,d,g);else if(1===e){g=za.call(null,a[0],c,d);break a}g=m}return g};
+function Xa(a,c,b){let e;b&&(e=a.bidirectional&&c>b)&&(e=b,b=c,c=e);a=b?(a=a.ctx.get(b))&&a.get(c):a.map.get(c);return a};O.prototype.remove=function(a,c){const b=this.reg.size&&(this.fastupdate?this.reg.get(a):this.reg.has(a));if(b){if(this.fastupdate)for(let e=0,d;e<b.length;e++){if(d=b[e])if(2>d.length)d.pop();else{const f=d.indexOf(a);f===b.length-1?d.pop():d.splice(f,1)}}else Ya(this.map,a),this.depth&&Ya(this.ctx,a);c||this.reg.delete(a)}this.cache&&this.cache.remove(a);return this};
+function Ya(a,c){let b=0;if(a.constructor===Array)for(let e=0,d,f;e<a.length;e++){if((d=a[e])&&d.length)if(f=d.indexOf(c),0<=f){1<d.length?(d.splice(f,1),b++):delete a[e];break}else b++}else for(let e of a.entries()){const d=e[0],f=Ya(e[1],c);f?b+=f:a.delete(d)}return b};function O(a,c){if(!this||this.constructor!==O)return new O(a);if(a){var b=D(a)?a:a.preset;b&&(a=Object.assign({},Ua[b],a))}else a={};b=a.context;const e=!0===b?{depth:1}:b||{},d=D(a.encoder)?Ta[a.encoder]:a.encode||a.encoder||Na;this.encoder=d.encode?d:"object"===typeof d?new K(d):{encode:d};this.resolution=a.resolution||9;this.tokenize=b=(b=a.tokenize)&&"default"!==b&&"exact"!==b&&b||"strict";this.depth="strict"===b&&e.depth||0;this.bidirectional=!1!==e.bidirectional;this.fastupdate=!!a.fastupdate;
+this.score=a.score||null;b=!1;this.map=new Map;this.ctx=new Map;this.reg=c||(this.fastupdate?new Map:new Set);this.S=e.resolution||3;this.rtl=d.rtl||a.rtl||!1;this.cache=(b=a.cache||null)&&new Y(b);this.priority=a.priority||4}x=O.prototype;x.clear=function(){this.map.clear();this.ctx.clear();this.reg.clear();this.cache&&this.cache.clear();return this};x.append=function(a,c){return this.add(a,c,!0)};x.contain=function(a){return this.reg.has(a)};
+x.update=function(a,c){const b=this,e=this.remove(a);return e&&e.then?e.then(()=>b.add(a,c)):this.add(a,c)};function Za(a){let c=0;if(a.constructor===Array)for(let b=0,e;b<a.length;b++)(e=a[b])&&(c+=e.length);else for(const b of a.entries()){const e=b[0],d=Za(b[1]);d?c+=d:a.delete(e)}return c}x.cleanup=function(){if(!this.fastupdate)return this;Za(this.map);this.depth&&Za(this.ctx);return this};x.searchCache=La;
+x.export=function(a,c,b=0,e=0){let d,f;switch(e){case 0:d="reg";f=ra(this.reg);break;case 1:d="cfg";f=null;break;case 2:d="map";f=na(this.map,this.reg.size);break;case 3:d="ctx";f=pa(this.ctx,this.reg.size);break;default:return}return U.call(this,a,c,d,f,b,e)};
+x.import=function(a,c){if(c)switch("string"===typeof c&&(c=JSON.parse(c)),a=a.split("."),"json"===a[a.length-1]&&a.pop(),3===a.length&&a.shift(),a=1<a.length?a[1]:a[0],a){case "reg":this.fastupdate=!1;this.reg=sa(c,this.reg);break;case "map":this.map=oa(c,this.map);break;case "ctx":this.ctx=qa(c,this.ctx)}};
+x.serialize=function(a=!0){let c="",b="",e="";if(this.reg.size){let f;for(var d of this.reg.keys())f||(f=typeof d),c+=(c?",":"")+("string"===f?'"'+d+'"':d);c="index.reg=new Set(["+c+"]);";b=ta(this.map,f);b="index.map=new Map(["+b+"]);";for(const g of this.ctx.entries()){d=g[0];let k=ta(g[1],f);k="new Map(["+k+"])";k='["'+d+'",'+k+"]";e+=(e?",":"")+k}e="index.ctx=new Map(["+e+"]);"}return a?"function inject(index){"+c+b+e+"}":c+b+e};ia(O.prototype);C();export default {Index:O,Charset:Ta,Encoder:K,Document:V,Worker:null,Resolver:null,IndexedDB:null,Language:{}};
+export const Index=O;export const Charset=Ta;export const Encoder=K;export const Document=V;export const Worker=null;export const Resolver=null;export const IndexedDB=null;export const Language={};
\ No newline at end of file
diff --git a/dist/flexsearch.es5.debug.js b/dist/flexsearch.es5.debug.js
index 13bad9c..71dd260 100644
--- a/dist/flexsearch.es5.debug.js
+++ b/dist/flexsearch.es5.debug.js
@@ -1,5 +1,5 @@
 /**!
- * FlexSearch.js v0.8.142 (ES5/Debug)
+ * FlexSearch.js v0.8.143 (ES5/Debug)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
@@ -909,18 +909,10 @@ function za(a) {
   }
   return b;
 }
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-"o"], ["\u00f6", "o"], ["\u00f9", "u"], ["\u00fa", "u"], ["\u00fb", "u"], ["\u00fc", "u"], ["\u00fd", "y"], ["\u00ff", "y"], ["\u0101", "a"], ["\u0103", "a"], ["\u0105", "a"], ["\u0107", "c"], ["\u0109", "c"], ["\u010b", "c"], ["\u010d", "c"], ["\u010f", "d"], ["\u0113", "e"], ["\u0115", "e"], ["\u0117", "e"], ["\u0119", "e"], ["\u011b", "e"], ["\u011d", "g"], ["\u011f", "g"], ["\u0121", "g"], ["\u0123", "g"], ["\u0125", "h"], ["\u0129", "i"], ["\u012b", "i"], ["\u012d", "i"], ["\u012f", "i"], ["\u0133", 
-"ij"], ["\u0135", "j"], ["\u0137", "k"], ["\u013a", "l"], ["\u013c", "l"], ["\u013e", "l"], ["\u0140", "l"], ["\u0144", "n"], ["\u0146", "n"], ["\u0148", "n"], ["\u0149", "n"], ["\u014d", "o"], ["\u014f", "o"], ["\u0151", "o"], ["\u0155", "r"], ["\u0157", "r"], ["\u0159", "r"], ["\u015b", "s"], ["\u015d", "s"], ["\u015f", "s"], ["\u0161", "s"], ["\u0163", "t"], ["\u0165", "t"], ["\u0169", "u"], ["\u016b", "u"], ["\u016d", "u"], ["\u016f", "u"], ["\u0171", "u"], ["\u0173", "u"], ["\u0175", "w"], ["\u0177", 
-"y"], ["\u017a", "z"], ["\u017c", "z"], ["\u017e", "z"], ["\u017f", "s"], ["\u01a1", "o"], ["\u01b0", "u"], ["\u01c6", "dz"], ["\u01c9", "lj"], ["\u01cc", "nj"], ["\u01ce", "a"], ["\u01d0", "i"], ["\u01d2", "o"], ["\u01d4", "u"], ["\u01d6", "u"], ["\u01d8", "u"], ["\u01da", "u"], ["\u01dc", "u"], ["\u01df", "a"], ["\u01e1", "a"], ["\u01e3", "ae"], ["\u00e6", "ae"], ["\u01fd", "ae"], ["\u01e7", "g"], ["\u01e9", "k"], ["\u01eb", "o"], ["\u01ed", "o"], ["\u01ef", "\u0292"], ["\u01f0", "j"], ["\u01f3", 
-"dz"], ["\u01f5", "g"], ["\u01f9", "n"], ["\u01fb", "a"], ["\u01ff", "\u00f8"], ["\u0201", "a"], ["\u0203", "a"], ["\u0205", "e"], ["\u0207", "e"], ["\u0209", "i"], ["\u020b", "i"], ["\u020d", "o"], ["\u020f", "o"], ["\u0211", "r"], ["\u0213", "r"], ["\u0215", "u"], ["\u0217", "u"], ["\u0219", "s"], ["\u021b", "t"], ["\u021f", "h"], ["\u0227", "a"], ["\u0229", "e"], ["\u022b", "o"], ["\u022d", "o"], ["\u022f", "o"], ["\u0231", "o"], ["\u0233", "y"], ["\u02b0", "h"], ["\u02b1", "h"], ["\u0266", "h"], 
-["\u02b2", "j"], ["\u02b3", "r"], ["\u02b4", "\u0279"], ["\u02b5", "\u027b"], ["\u02b6", "\u0281"], ["\u02b7", "w"], ["\u02b8", "y"], ["\u02e0", "\u0263"], ["\u02e1", "l"], ["\u02e2", "s"], ["\u02e3", "x"], ["\u02e4", "\u0295"], ["\u0390", "\u03b9"], ["\u03ac", "\u03b1"], ["\u03ad", "\u03b5"], ["\u03ae", "\u03b7"], ["\u03af", "\u03b9"], ["\u03b0", "\u03c5"], ["\u03ca", "\u03b9"], ["\u03cb", "\u03c5"], ["\u03cc", "\u03bf"], ["\u03cd", "\u03c5"], ["\u03ce", "\u03c9"], ["\u03d0", "\u03b2"], ["\u03d1", 
-"\u03b8"], ["\u03d2", "\u03a5"], ["\u03d3", "\u03a5"], ["\u03d4", "\u03a5"], ["\u03d5", "\u03c6"], ["\u03d6", "\u03c0"], ["\u03f0", "\u03ba"], ["\u03f1", "\u03c1"], ["\u03f2", "\u03c2"], ["\u03f5", "\u03b5"], ["\u0439", "\u0438"], ["\u0450", "\u0435"], ["\u0451", "\u0435"], ["\u0453", "\u0433"], ["\u0457", "\u0456"], ["\u045c", "\u043a"], ["\u045d", "\u0438"], ["\u045e", "\u0443"], ["\u0477", "\u0475"], ["\u04c2", "\u0436"], ["\u04d1", "\u0430"], ["\u04d3", "\u0430"], ["\u04d7", "\u0435"], ["\u04db", 
-"\u04d9"], ["\u04dd", "\u0436"], ["\u04df", "\u0437"], ["\u04e3", "\u0438"], ["\u04e5", "\u0438"], ["\u04e7", "\u043e"], ["\u04eb", "\u04e9"], ["\u04ed", "\u044d"], ["\u04ef", "\u0443"], ["\u04f1", "\u0443"], ["\u04f3", "\u0443"], ["\u04f5", "\u0447"]];
-var Ba = /[^\p{L}\p{N}]+/u, Ca = /(\d{3})/g, Da = /(\D)(\d{3})/g, Ea = /(\d{3})(\D)/g, Fa = "".normalize && /[\u0300-\u036f]/g;
-function Ga(a) {
+;var Aa = /[^\p{L}\p{N}]+/u, Ba = /(\d{3})/g, Ca = /(\D)(\d{3})/g, Da = /(\d{3})(\D)/g, Ea = /[\u0300-\u036f]/g;
+function Fa(a) {
   a = void 0 === a ? {} : a;
-  if (!this || this.constructor !== Ga) {
+  if (!this || this.constructor !== Fa) {
     var b = Function.prototype.bind, c = b.apply, d = [null], e = d.concat;
     if (arguments instanceof Array) {
       var g = arguments;
@@ -931,7 +923,7 @@ function Ga(a) {
       }
       g = h;
     }
-    return new (c.call(b, Ga, e.call(d, g)))();
+    return new (c.call(b, Fa, e.call(d, g)))();
   }
   if (arguments.length) {
     for (b = 0; b < arguments.length; b++) {
@@ -941,7 +933,7 @@ function Ga(a) {
     this.assign(a);
   }
 }
-u = Ga.prototype;
+u = Fa.prototype;
 u.assign = function(a) {
   this.normalize = G(a.normalize, !0, this.normalize);
   var b = a.include, c = b || a.exclude || a.split;
@@ -969,7 +961,7 @@ u.assign = function(a) {
     this.numeric = G(a.numeric, e);
   } else {
     try {
-      this.split = G(this.split, Ba);
+      this.split = G(this.split, Aa);
     } catch (g) {
       console.warn("This platform does not support unicode regex. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
     }
@@ -977,7 +969,6 @@ u.assign = function(a) {
   }
   this.prepare = G(a.prepare, null, this.prepare);
   this.finalize = G(a.finalize, null, this.finalize);
-  Fa || (this.mapper = new Map(Aa));
   c = a.filter;
   this.filter = "function" === typeof c ? c : G(c && new Set(c), null, this.filter);
   this.dedupe = G(a.dedupe, !1, this.dedupe);
@@ -1066,9 +1057,9 @@ u.encode = function(a) {
       this.D = setTimeout(N, 50, this);
     }
   }
-  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = Fa ? a.normalize("NFKD").replace(Fa, "").toLowerCase() : a.toLowerCase());
+  this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = Ea ? a.normalize("NFKD").replace(Ea, "").toLowerCase() : a.toLowerCase());
   this.prepare && (a = this.prepare(a));
-  this.numeric && 3 < a.length && (a = a.replace(Da, "$1 $2").replace(Ea, "$1 $2").replace(Ca, "$1 "));
+  this.numeric && 3 < a.length && (a = a.replace(Ca, "$1 $2").replace(Da, "$1 $2").replace(Ba, "$1 "));
   for (var c = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer), d = [], e = this.split || "" === this.split ? a.split(this.split) : a, g = 0, f = void 0, h = void 0; g < e.length; g++) {
     if ((f = h = e[g]) && !(f.length < this.minlength)) {
       if (c) {
@@ -1119,8 +1110,8 @@ function N(a) {
   a.B.clear();
   a.C.clear();
 }
-;var Ha, O;
-function Ia(a) {
+;var Ga, O;
+function Ha(a) {
   var b, c, d, e, g, f;
   return ta(function(h) {
     switch(h.h) {
@@ -1132,7 +1123,7 @@ function Ia(a) {
         switch(b) {
           case "init":
             O = a.options || {};
-            (e = a.factory) ? (Function("return " + e)()(self), Ha = new self.FlexSearch.Index(O), delete self.FlexSearch) : Ha = new P(O);
+            (e = a.factory) ? (Function("return " + e)()(self), Ga = new self.FlexSearch.Index(O), delete self.FlexSearch) : Ga = new P(O);
             postMessage({id:c});
             break;
           default:
@@ -1155,9 +1146,9 @@ function Ia(a) {
             h.h = 5;
             break;
           }
-          return E(h, O.import.call(Ha, d[0]), 9);
+          return E(h, O.import.call(Ga, d[0]), 9);
         }
-        g = d && Ha[b].apply(Ha, d);
+        g = d && Ga[b].apply(Ga, d);
         if (!g || !g.then) {
           h.h = 5;
           break;
@@ -1168,32 +1159,32 @@ function Ia(a) {
         h.h = 5;
         break;
       case 9:
-        f = h.D, Ha.import(d[0], f);
+        f = h.D, Ga.import(d[0], f);
       case 5:
         postMessage("search" === b ? {id:c, msg:g} : {id:c}), h.h = 0;
     }
   });
 }
-;function Ja(a) {
-  Ma.call(a, "add");
-  Ma.call(a, "append");
-  Ma.call(a, "search");
-  Ma.call(a, "update");
-  Ma.call(a, "remove");
+;function Ia(a) {
+  La.call(a, "add");
+  La.call(a, "append");
+  La.call(a, "search");
+  La.call(a, "update");
+  La.call(a, "remove");
 }
-var Na, Oa, Pa;
-function Qa() {
-  Na = Pa = 0;
+var Ma, Na, Oa;
+function Pa() {
+  Ma = Oa = 0;
 }
-function Ma(a) {
+function La(a) {
   this[a + "Async"] = function() {
     var b = arguments, c = b[b.length - 1];
     if ("function" === typeof c) {
       var d = c;
       delete b[b.length - 1];
     }
-    Na ? Pa || (Pa = Date.now() - Oa >= this.priority * this.priority * 3) : (Na = setTimeout(Qa, 0), Oa = Date.now());
-    if (Pa) {
+    Ma ? Oa || (Oa = Date.now() - Na >= this.priority * this.priority * 3) : (Ma = setTimeout(Pa, 0), Na = Date.now());
+    if (Oa) {
       var e = this;
       return new Promise(function(f) {
         setTimeout(function() {
@@ -1209,8 +1200,8 @@ function Ma(a) {
     return c;
   };
 }
-;var Ra = 0;
-function Sa(a) {
+;var Qa = 0;
+function Ra(a) {
   function b(f) {
     function h(k) {
       k = k.data || k;
@@ -1223,11 +1214,11 @@ function Sa(a) {
       d ? this.worker.on("message", h) : this.worker.onmessage = h;
       if (a.config) {
         return new Promise(function(k) {
-          e.h[++Ra] = function() {
+          e.h[++Qa] = function() {
             k(e);
-            1e9 < Ra && (Ra = 0);
+            1e9 < Qa && (Qa = 0);
           };
-          e.worker.postMessage({id:Ra, task:"init", factory:c, options:a});
+          e.worker.postMessage({id:Qa, task:"init", factory:c, options:a});
         });
       }
       this.worker.postMessage({task:"init", factory:c, options:a});
@@ -1236,12 +1227,12 @@ function Sa(a) {
     }
   }
   a = void 0 === a ? {} : a;
-  if (!this || this.constructor !== Sa) {
-    return new Sa(a);
+  if (!this || this.constructor !== Ra) {
+    return new Ra(a);
   }
   var c = "undefined" !== typeof self ? self._factory : "undefined" !== typeof window ? window._factory : null;
   c && (c = c.toString());
-  var d = "undefined" === typeof window, e = this, g = Ta(c, d, a.worker);
+  var d = "undefined" === typeof window, e = this, g = Sa(c, d, a.worker);
   return g.then ? g.then(function(f) {
     return b.call(e, f);
   }) : b.call(this, g);
@@ -1254,9 +1245,9 @@ S("remove");
 S("clear");
 S("export");
 S("import");
-Ja(Sa.prototype);
+Ia(Ra.prototype);
 function S(a) {
-  Sa.prototype[a] = function() {
+  Ra.prototype[a] = function() {
     var b = this, c = [].slice.call(arguments), d = c[c.length - 1];
     if ("function" === typeof d) {
       var e = d;
@@ -1264,17 +1255,17 @@ function S(a) {
     }
     d = new Promise(function(g) {
       "export" === a && "function" === typeof c[0] && (c[0] = null);
-      b.h[++Ra] = g;
-      b.worker.postMessage({task:a, id:Ra, args:c});
+      b.h[++Qa] = g;
+      b.worker.postMessage({task:a, id:Qa, args:c});
     });
     return e ? (d.then(e), this) : d;
   };
 }
-function Ta(a, b, c) {
-  return b ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/node/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"]((1,eval)("import.meta.dirname")+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + Ia.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof c ? c : (0,eval)("import.meta.url").replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
+function Sa(a, b, c) {
+  return b ? "undefined" !== typeof module ? new(require("worker_threads")["Worker"])(__dirname+"/node/node.js") : import("worker_threads").then(function(worker){return new worker["Worker"]((1,eval)("import.meta.dirname")+"/node/node.mjs")}) : a ? new window.Worker(URL.createObjectURL(new Blob(["onmessage=" + Ha.toString()], {type:"text/javascript"}))) : new window.Worker("string" === typeof c ? c : (0,eval)("import.meta.url").replace("/worker.js", "/worker/worker.js").replace("flexsearch.bundle.module.min.js", 
   "module/worker/worker.js"), {type:"module"});
 }
-;function Ua(a, b) {
+;function Ta(a, b) {
   b = void 0 === b ? 0 : b;
   var c = [], d = [];
   b && (b = 250000 / b * 5000 | 0);
@@ -1285,32 +1276,32 @@ function Ta(a, b, c) {
   d.length && c.push(d);
   return c;
 }
-function Va(a, b) {
+function Ua(a, b) {
   b || (b = new Map());
   for (var c = 0, d; c < a.length; c++) {
     d = a[c], b.set(d[0], d[1]);
   }
   return b;
 }
-function Wa(a, b) {
+function Va(a, b) {
   b = void 0 === b ? 0 : b;
   var c = [], d = [];
   b && (b = 250000 / b * 1000 | 0);
   a = x(a.entries());
   for (var e = a.next(); !e.done; e = a.next()) {
-    e = e.value, d.push([e[0], Ua(e[1])[0]]), d.length === b && (c.push(d), d = []);
+    e = e.value, d.push([e[0], Ta(e[1])[0]]), d.length === b && (c.push(d), d = []);
   }
   d.length && c.push(d);
   return c;
 }
-function Xa(a, b) {
+function Wa(a, b) {
   b || (b = new Map());
   for (var c = 0, d, e; c < a.length; c++) {
-    d = a[c], e = b.get(d[0]), b.set(d[0], Va(d[1], e));
+    d = a[c], e = b.get(d[0]), b.set(d[0], Ua(d[1], e));
   }
   return b;
 }
-function Ya(a) {
+function Xa(a) {
   var b = [], c = [];
   a = x(a.keys());
   for (var d = a.next(); !d.done; d = a.next()) {
@@ -1319,14 +1310,14 @@ function Ya(a) {
   c.length && b.push(c);
   return b;
 }
-function Za(a, b) {
+function Ya(a, b) {
   b || (b = new Set());
   for (var c = 0; c < a.length; c++) {
     b.add(a[c]);
   }
   return b;
 }
-function $a(a, b, c, d, e, g, f) {
+function Za(a, b, c, d, e, g, f) {
   f = void 0 === f ? 0 : f;
   var h = d && d.constructor === Array, k = h ? d.shift() : d;
   if (!k) {
@@ -1335,12 +1326,12 @@ function $a(a, b, c, d, e, g, f) {
   if ((k = a((b ? b + "." : "") + (f + 1) + "." + c, JSON.stringify(k))) && k.then) {
     var l = this;
     return k.then(function() {
-      return $a.call(l, a, b, c, h ? d : null, e, g, f + 1);
+      return Za.call(l, a, b, c, h ? d : null, e, g, f + 1);
     });
   }
-  return $a.call(this, a, b, c, h ? d : null, e, g, f + 1);
+  return Za.call(this, a, b, c, h ? d : null, e, g, f + 1);
 }
-function ab(a, b) {
+function $a(a, b) {
   var c = "";
   a = x(a.entries());
   for (var d = a.next(); !d.done; d = a.next()) {
@@ -1360,7 +1351,7 @@ function ab(a, b) {
   }
   return c;
 }
-;function bb(a, b, c, d) {
+;function ab(a, b, c, d) {
   for (var e = [], g = 0, f; g < a.index.length; g++) {
     if (f = a.index[g], b >= f.length) {
       b -= f.length;
@@ -1425,12 +1416,12 @@ function T(a) {
     }
     if ("slice" === d) {
       return function(e, g) {
-        return bb(b, e || 0, g || b.length, !1);
+        return ab(b, e || 0, g || b.length, !1);
       };
     }
     if ("splice" === d) {
       return function(e, g) {
-        return bb(b, e || 0, g || b.length, !0);
+        return ab(b, e || 0, g || b.length, !0);
       };
     }
     if ("constructor" === d) {
@@ -1462,7 +1453,7 @@ function U(a) {
   this.index = J();
   this.h = [];
   this.size = 0;
-  32 < a ? (this.A = cb, this.B = BigInt(a)) : (this.A = db, this.B = a);
+  32 < a ? (this.A = bb, this.B = BigInt(a)) : (this.A = cb, this.B = a);
 }
 U.prototype.get = function(a) {
   var b = this.A(a);
@@ -1480,7 +1471,7 @@ function V(a) {
   this.index = J();
   this.h = [];
   this.size = 0;
-  32 < a ? (this.A = cb, this.B = BigInt(a)) : (this.A = db, this.B = a);
+  32 < a ? (this.A = bb, this.B = BigInt(a)) : (this.A = cb, this.B = a);
 }
 V.prototype.add = function(a) {
   var b = this.A(a), c = this.index[b];
@@ -1500,9 +1491,9 @@ u.clear = V.prototype.clear = function() {
   this.h = [];
   this.size = 0;
 };
-u.values = V.prototype.values = function eb() {
+u.values = V.prototype.values = function db() {
   var b, c = this, d, e, g;
-  return ra(eb, function(f) {
+  return ra(db, function(f) {
     switch(f.h) {
       case 1:
         b = 0;
@@ -1526,9 +1517,9 @@ u.values = V.prototype.values = function eb() {
     }
   });
 };
-u.keys = V.prototype.keys = function fb() {
+u.keys = V.prototype.keys = function eb() {
   var b, c = this, d, e, g;
-  return ra(fb, function(f) {
+  return ra(eb, function(f) {
     switch(f.h) {
       case 1:
         b = 0;
@@ -1552,9 +1543,9 @@ u.keys = V.prototype.keys = function fb() {
     }
   });
 };
-u.entries = V.prototype.entries = function gb() {
+u.entries = V.prototype.entries = function fb() {
   var b, c = this, d, e, g;
-  return ra(gb, function(f) {
+  return ra(fb, function(f) {
     switch(f.h) {
       case 1:
         b = 0;
@@ -1578,7 +1569,7 @@ u.entries = V.prototype.entries = function gb() {
     }
   });
 };
-function db(a) {
+function cb(a) {
   var b = Math.pow(2, this.B) - 1;
   if ("number" == typeof a) {
     return a & b;
@@ -1588,7 +1579,7 @@ function db(a) {
   }
   return 32 === this.B ? c + Math.pow(2, 31) : c;
 }
-function cb() {
+function bb() {
   throw Error("The keystore is limited to 32 for EcmaScript5");
 }
 ;W.prototype.add = function(a, b, c) {
@@ -1605,7 +1596,7 @@ function cb() {
       } else {
         var f = e.R;
         if (!f || f(b)) {
-          e.constructor === String ? e = ["" + e] : K(e) && (e = [e]), hb(b, e, this.S, 0, g, a, e[0], c);
+          e.constructor === String ? e = ["" + e] : K(e) && (e = [e]), gb(b, e, this.S, 0, g, a, e[0], c);
         }
       }
     }
@@ -1670,7 +1661,7 @@ function cb() {
               q[d] = b[d];
               continue;
             }
-            ib(b, q, d, 0, d[0], g);
+            hb(b, q, d, 0, d[0], g);
           }
         }
       }
@@ -1680,21 +1671,21 @@ function cb() {
   }
   return this;
 };
-function ib(a, b, c, d, e, g) {
+function hb(a, b, c, d, e, g) {
   a = a[e];
   if (d === c.length - 1) {
     b[e] = g || a;
   } else if (a) {
     if (a.constructor === Array) {
       for (b = b[e] = Array(a.length), e = 0; e < a.length; e++) {
-        ib(a, b, c, d, e);
+        hb(a, b, c, d, e);
       }
     } else {
-      b = b[e] || (b[e] = J()), e = c[++d], ib(a, b, c, d, e);
+      b = b[e] || (b[e] = J()), e = c[++d], hb(a, b, c, d, e);
     }
   }
 }
-function hb(a, b, c, d, e, g, f, h) {
+function gb(a, b, c, d, e, g, f, h) {
   if (a = a[f]) {
     if (d === b.length - 1) {
       if (a.constructor === Array) {
@@ -1710,17 +1701,17 @@ function hb(a, b, c, d, e, g, f, h) {
     } else {
       if (a.constructor === Array) {
         for (f = 0; f < a.length; f++) {
-          hb(a, b, c, d, e, g, f, h);
+          gb(a, b, c, d, e, g, f, h);
         }
       } else {
-        f = b[++d], hb(a, b, c, d, e, g, f, h);
+        f = b[++d], gb(a, b, c, d, e, g, f, h);
       }
     }
   } else {
     e.db && e.remove(g);
   }
 }
-;function jb(a, b, c, d, e, g, f) {
+;function ib(a, b, c, d, e, g, f) {
   var h = a.length, k = [];
   var l = J();
   for (var m = 0, n = void 0, p, q; m < b; m++) {
@@ -1745,7 +1736,7 @@ function hb(a, b, c, d, e, g, f, h) {
   }
   if (a = k.length) {
     if (e) {
-      k = 1 < k.length ? kb(k, c, d, f, g) : (k = k[0]).length > c || d ? k.slice(d, c + d) : k;
+      k = 1 < k.length ? jb(k, c, d, f, g) : (k = k[0]).length > c || d ? k.slice(d, c + d) : k;
     } else {
       if (a < h) {
         return [];
@@ -1778,7 +1769,7 @@ function hb(a, b, c, d, e, g, f, h) {
   }
   return k;
 }
-function kb(a, b, c, d, e) {
+function jb(a, b, c, d, e) {
   var g = [], f = J(), h = a.length, k;
   if (d) {
     for (e = h - 1; 0 <= e; e--) {
@@ -1821,7 +1812,7 @@ function kb(a, b, c, d, e) {
   }
   return g;
 }
-function lb(a, b, c) {
+function kb(a, b, c) {
   for (var d = J(), e = [], g = 0, f; g < b.length; g++) {
     f = b[g];
     for (var h = 0; h < f.length; h++) {
@@ -1841,7 +1832,7 @@ function lb(a, b, c) {
   }
   return e;
 }
-;function mb(a, b, c, d) {
+;function lb(a, b, c, d) {
   if (!a.length) {
     return a;
   }
@@ -1871,7 +1862,7 @@ function lb(a, b, c) {
   e = 1 < e.length ? [].concat.apply([], e) : e[0];
   return d ? X.call(this, e) : e;
 }
-;function nb(a, b, c) {
+;function mb(a, b, c) {
   var d = c[0];
   if (d.then) {
     return Promise.all(c).then(function(q) {
@@ -1917,10 +1908,10 @@ function lb(a, b, c) {
   return {W:d, $:e, limit:g, offset:f, enrich:h, resolve:k, suggest:l};
 }
 ;Y.prototype.or = function() {
-  var a = nb(this, "or", arguments);
-  return ob.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve);
+  var a = mb(this, "or", arguments);
+  return nb.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve);
 };
-function ob(a, b, c, d, e, g) {
+function nb(a, b, c, d, e, g) {
   if (b.length) {
     var f = this;
     return Promise.all(b).then(function(h) {
@@ -1928,10 +1919,10 @@ function ob(a, b, c, d, e, g) {
       for (var k = 0, l = void 0; k < h.length; k++) {
         (l = h[k]).length && (a[k] = l);
       }
-      return ob.call(f, a, [], c, d, e, g);
+      return nb.call(f, a, [], c, d, e, g);
     });
   }
-  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = kb(a, c, d, !1, this.h), d = 0));
+  a.length && (this.result.length && a.push(this.result), 2 > a.length ? this.result = a[0] : (this.result = jb(a, c, d, !1, this.h), d = 0));
   return g ? this.resolve(c, d, e) : this;
 }
 ;Y.prototype.and = function() {
@@ -1946,7 +1937,36 @@ function ob(a, b, c, d, e, g) {
       var g = b.enrich && c;
     }
   }
-  return a ? (a = nb(this, "and", arguments), pb.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve, a.suggest)) : c ? this.resolve(d, e, g) : this;
+  return a ? (a = mb(this, "and", arguments), ob.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve, a.suggest)) : c ? this.resolve(d, e, g) : this;
+};
+function ob(a, b, c, d, e, g, f) {
+  if (b.length) {
+    var h = this;
+    return Promise.all(b).then(function(k) {
+      a = [];
+      for (var l = 0, m = void 0; l < k.length; l++) {
+        (m = k[l]).length && (a[l] = m);
+      }
+      return ob.call(h, a, [], c, d, e, g, f);
+    });
+  }
+  if (a.length) {
+    if (this.result.length && a.unshift(this.result), 2 > a.length) {
+      this.result = a[0];
+    } else {
+      if (b = za(a)) {
+        return this.result = ib(a, b, c, d, f, this.h, g), g ? e ? X.call(this.index, this.result) : this.result : this;
+      }
+      this.result = [];
+    }
+  } else {
+    f || (this.result = a);
+  }
+  return g ? this.resolve(c, d, e) : this;
+}
+;Y.prototype.xor = function() {
+  var a = mb(this, "xor", arguments);
+  return pb.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve, a.suggest);
 };
 function pb(a, b, c, d, e, g, f) {
   if (b.length) {
@@ -1963,43 +1983,14 @@ function pb(a, b, c, d, e, g, f) {
     if (this.result.length && a.unshift(this.result), 2 > a.length) {
       this.result = a[0];
     } else {
-      if (b = za(a)) {
-        return this.result = jb(a, b, c, d, f, this.h, g), g ? e ? X.call(this.index, this.result) : this.result : this;
-      }
-      this.result = [];
+      return this.result = qb.call(this, a, c, d, g, this.h), g ? e ? X.call(this.index, this.result) : this.result : this;
     }
   } else {
     f || (this.result = a);
   }
   return g ? this.resolve(c, d, e) : this;
 }
-;Y.prototype.xor = function() {
-  var a = nb(this, "xor", arguments);
-  return qb.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve, a.suggest);
-};
-function qb(a, b, c, d, e, g, f) {
-  if (b.length) {
-    var h = this;
-    return Promise.all(b).then(function(k) {
-      a = [];
-      for (var l = 0, m = void 0; l < k.length; l++) {
-        (m = k[l]).length && (a[l] = m);
-      }
-      return qb.call(h, a, [], c, d, e, g, f);
-    });
-  }
-  if (a.length) {
-    if (this.result.length && a.unshift(this.result), 2 > a.length) {
-      this.result = a[0];
-    } else {
-      return this.result = rb.call(this, a, c, d, g, this.h), g ? e ? X.call(this.index, this.result) : this.result : this;
-    }
-  } else {
-    f || (this.result = a);
-  }
-  return g ? this.resolve(c, d, e) : this;
-}
-function rb(a, b, c, d, e) {
+function qb(a, b, c, d, e) {
   for (var g = [], f = J(), h = 0, k = 0, l; k < a.length; k++) {
     if (l = a[k]) {
       h < l.length && (h = l.length);
@@ -2043,10 +2034,10 @@ function rb(a, b, c, d, e) {
   return g;
 }
 ;Y.prototype.not = function() {
-  var a = nb(this, "not", arguments);
-  return sb.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve, a.suggest);
+  var a = mb(this, "not", arguments);
+  return rb.call(this, a.W, a.$, a.limit, a.offset, a.enrich, a.resolve, a.suggest);
 };
-function sb(a, b, c, d, e, g, f) {
+function rb(a, b, c, d, e, g, f) {
   if (b.length) {
     var h = this;
     return Promise.all(b).then(function(k) {
@@ -2054,17 +2045,17 @@ function sb(a, b, c, d, e, g, f) {
       for (var l = 0, m = void 0; l < k.length; l++) {
         (m = k[l]).length && (a[l] = m);
       }
-      return sb.call(h, a, [], c, d, e, g, f);
+      return rb.call(h, a, [], c, d, e, g, f);
     });
   }
   if (a.length && this.result.length) {
-    this.result = tb.call(this, a, c, d, g);
+    this.result = sb.call(this, a, c, d, g);
   } else if (g) {
     return this.resolve(c, d, e);
   }
   return g ? e ? X.call(this.index, this.result) : this.result : this;
 }
-function tb(a, b, c, d) {
+function sb(a, b, c, d) {
   var e = [];
   a = new Set(a.flat().flat());
   for (var g = 0, f, h = 0; g < this.result.length; g++) {
@@ -2137,7 +2128,7 @@ Y.prototype.boost = function(a) {
 Y.prototype.resolve = function(a, b, c) {
   var d = this.result, e = this.index;
   this.result = this.index = null;
-  return d.length ? ("object" === typeof a && (c = a.enrich, b = a.offset, a = a.limit), mb.call(e, d, a || 100, b, c)) : d;
+  return d.length ? ("object" === typeof a && (c = a.enrich, b = a.offset, a = a.limit), lb.call(e, d, a || 100, b, c)) : d;
 };
 J();
 W.prototype.search = function(a, b, c, d) {
@@ -2212,7 +2203,7 @@ W.prototype.search = function(a, b, c, d) {
               }
               k.push(l = l.db.tag(r[g + 1], b, w, f));
             } else {
-              l = ub.call(this, r[g], r[g + 1], b, w, f);
+              l = tb.call(this, r[g], r[g + 1], b, w, f);
             }
             e.push({field:r[g], tag:r[g + 1], result:l});
           }
@@ -2242,10 +2233,10 @@ W.prototype.search = function(a, b, c, d) {
         if (p) {
           if (this.db) {
             y.tag = p;
-            var Ka = v.db.support_tag_search;
+            var Ja = v.db.support_tag_search;
             y.field = n;
           }
-          Ka || (y.enrich = !1);
+          Ja || (y.enrich = !1);
         }
         if (r) {
           r[A] = v.search(a, b, y);
@@ -2260,7 +2251,7 @@ W.prototype.search = function(a, b, c, d) {
         D = [];
         H = 0;
         if (this.db && d) {
-          if (!Ka) {
+          if (!Ja) {
             for (I = n.length; I < d.length; I++) {
               var M = d[I];
               if (M && M.length) {
@@ -2272,7 +2263,7 @@ W.prototype.search = function(a, b, c, d) {
           }
         } else {
           I = 0;
-          for (var Yb = M = void 0; I < p.length; I += 2) {
+          for (var Zb = M = void 0; I < p.length; I += 2) {
             M = this.tag.get(p[I]);
             if (!M) {
               if (console.warn("Tag '" + p[I] + ":" + p[I + 1] + "' will be skipped because there is no field '" + p[I] + "'."), q) {
@@ -2281,7 +2272,7 @@ W.prototype.search = function(a, b, c, d) {
                 return k ? e : new Y(e);
               }
             }
-            if (Yb = (M = M && M.get(p[I + 1])) && M.length) {
+            if (Zb = (M = M && M.get(p[I + 1])) && M.length) {
               H++, D.push(M);
             } else if (!q) {
               return k ? e : new Y(e);
@@ -2289,7 +2280,7 @@ W.prototype.search = function(a, b, c, d) {
           }
         }
         if (H) {
-          v = lb(v, D, k);
+          v = kb(v, D, k);
           y = v.length;
           if (!y && !q) {
             return k ? v : new Y(v);
@@ -2305,7 +2296,7 @@ W.prototype.search = function(a, b, c, d) {
     }
   }
   if (r) {
-    if (this.db && p && p.length && !Ka) {
+    if (this.db && p && p.length && !Ja) {
       for (f = 0; f < p.length; f += 2) {
         g = this.index.get(p[f]);
         if (!g) {
@@ -2318,9 +2309,9 @@ W.prototype.search = function(a, b, c, d) {
         r.push(g.db.tag(p[f + 1], b, w, !1));
       }
     }
-    var Zb = this;
+    var $b = this;
     return Promise.all(r).then(function(Q) {
-      return Q.length ? Zb.search(a, b, c, Q) : Q;
+      return Q.length ? $b.search(a, b, c, Q) : Q;
     });
   }
   if (!h) {
@@ -2339,17 +2330,17 @@ W.prototype.search = function(a, b, c, d) {
     e[w] = {field:g[w], result:q};
   }
   if (f && this.db && r.length) {
-    var La = this;
+    var Ka = this;
     return Promise.all(r).then(function(Q) {
       for (var R = 0; R < Q.length; R++) {
         e[R].result = Q[R];
       }
-      return m ? vb(e, b) : t ? wb(e, a, La.index, La.field, La.J, t) : e;
+      return m ? ub(e, b) : t ? vb(e, a, Ka.index, Ka.field, Ka.J, t) : e;
     });
   }
-  return m ? vb(e, b) : t ? wb(e, a, this.index, this.field, this.J, t) : e;
+  return m ? ub(e, b) : t ? vb(e, a, this.index, this.field, this.J, t) : e;
 };
-function wb(a, b, c, d, e, g) {
+function vb(a, b, c, d, e, g) {
   for (var f, h, k, l = 0, m, n; l < a.length; l++) {
     var p = a[l].result;
     m = a[l].field;
@@ -2387,7 +2378,7 @@ function wb(a, b, c, d, e, g) {
   }
   return a;
 }
-function vb(a, b) {
+function ub(a, b) {
   for (var c = [], d = J(), e = 0, g, f; e < a.length; e++) {
     g = a[e];
     f = g.result;
@@ -2405,7 +2396,7 @@ function vb(a, b) {
   }
   return c;
 }
-function ub(a, b, c, d, e) {
+function tb(a, b, c, d, e) {
   var g = this.tag.get(a);
   if (!g) {
     return console.warn("Tag '" + a + "' was not found"), [];
@@ -2435,17 +2426,17 @@ function X(a) {
   this.J = [];
   this.field = [];
   this.S = [];
-  this.key = (c = b.key || b.id) && xb(c, this.S) || "id";
+  this.key = (c = b.key || b.id) && wb(c, this.S) || "id";
   (d = a.keystore || 0) && (this.keystore = d);
   this.fastupdate = !!a.fastupdate;
   this.reg = !this.fastupdate || a.worker || a.db ? d ? new V(d) : new Set() : d ? new U(d) : new Map();
   this.I = (c = b.store || null) && c && !0 !== c && [];
   this.store = c && (d ? new U(d) : new Map());
-  this.cache = (c = a.cache || null) && new yb(c);
+  this.cache = (c = a.cache || null) && new xb(c);
   a.cache = !1;
   this.worker = a.worker;
   this.priority = a.priority || 4;
-  this.index = zb.call(this, a, b);
+  this.index = yb.call(this, a, b);
   this.tag = null;
   if (c = b.tag) {
     if ("string" === typeof c && (c = [c]), c.length) {
@@ -2459,7 +2450,7 @@ function X(a) {
         if (!e) {
           throw Error("The tag field from the document descriptor is undefined.");
         }
-        d.custom ? this.L[b] = d.custom : (this.L[b] = xb(e, this.S), d.filter && ("string" === typeof this.L[b] && (this.L[b] = new String(this.L[b])), this.L[b].R = d.filter));
+        d.custom ? this.L[b] = d.custom : (this.L[b] = wb(e, this.S), d.filter && ("string" === typeof this.L[b] && (this.L[b] = new String(this.L[b])), this.L[b].R = d.filter));
         this.aa[b] = e;
         this.tag.set(e, new Map());
       }
@@ -2539,7 +2530,7 @@ u.destroy = function() {
   }
   return Promise.all(a);
 };
-function zb(a, b) {
+function yb(a, b) {
   var c = new Map(), d = b.index || b.field || b;
   K(d) && (d = [d]);
   for (var e = 0, g, f = void 0; e < d.length; e++) {
@@ -2547,21 +2538,21 @@ function zb(a, b) {
     K(g) || (f = g, g = g.field);
     f = L(f) ? Object.assign({}, a, f) : a;
     if (this.worker) {
-      var h = new Sa(f);
+      var h = new Ra(f);
       c.set(g, h);
     }
     this.worker || c.set(g, new P(f, this.reg));
-    f.custom ? this.J[e] = f.custom : (this.J[e] = xb(g, this.S), f.filter && ("string" === typeof this.J[e] && (this.J[e] = new String(this.J[e])), this.J[e].R = f.filter));
+    f.custom ? this.J[e] = f.custom : (this.J[e] = wb(g, this.S), f.filter && ("string" === typeof this.J[e] && (this.J[e] = new String(this.J[e])), this.J[e].R = f.filter));
     this.field[e] = g;
   }
   if (this.I) {
     for (a = b.store, K(a) && (a = [a]), b = 0; b < a.length; b++) {
-      d = a[b], e = d.field || d, d.custom ? (this.I[b] = d.custom, d.custom.ja = e) : (this.I[b] = xb(e, this.S), d.filter && ("string" === typeof this.I[b] && (this.I[b] = new String(this.I[b])), this.I[b].R = d.filter));
+      d = a[b], e = d.field || d, d.custom ? (this.I[b] = d.custom, d.custom.ja = e) : (this.I[b] = wb(e, this.S), d.filter && ("string" === typeof this.I[b] && (this.I[b] = new String(this.I[b])), this.I[b].R = d.filter));
     }
   }
   return c;
 }
-function xb(a, b) {
+function wb(a, b) {
   for (var c = a.split(":"), d = 0, e = 0; e < c.length; e++) {
     a = c[e], "]" === a[a.length - 1] && (a = a.substring(0, a.length - 2)) && (b[d] = !0), a && (c[d++] = a);
   }
@@ -2629,7 +2620,7 @@ u.set = function(a, b) {
   this.store.set(a, b);
   return this;
 };
-u.searchCache = Ab;
+u.searchCache = zb;
 u.export = function(a, b, c, d) {
   c = void 0 === c ? 0 : c;
   d = void 0 === d ? 0 : d;
@@ -2646,23 +2637,23 @@ u.export = function(a, b, c, d) {
   switch(d) {
     case 0:
       var f = "reg";
-      var h = Ya(this.reg);
+      var h = Xa(this.reg);
       b = null;
       break;
     case 1:
       f = "tag";
-      h = this.tag && Wa(this.tag, this.reg.size);
+      h = this.tag && Va(this.tag, this.reg.size);
       b = null;
       break;
     case 2:
       f = "doc";
-      h = this.store && Ua(this.store);
+      h = this.store && Ta(this.store);
       b = null;
       break;
     default:
       return;
   }
-  return $a.call(this, a, b, f, h, c, d);
+  return Za.call(this, a, b, f, h, c, d);
 };
 u.import = function(a, b) {
   var c = a.split(".");
@@ -2680,7 +2671,7 @@ u.import = function(a, b) {
     switch(c) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = Za(b, this.reg);
+        this.reg = Ya(b, this.reg);
         for (b = 0; b < this.field.length; b++) {
           d = this.index.get(this.field[b]), d.fastupdate = !1, d.reg = this.reg;
         }
@@ -2694,17 +2685,17 @@ u.import = function(a, b) {
         }
         break;
       case "tag":
-        this.tag = Xa(b, this.tag);
+        this.tag = Wa(b, this.tag);
         break;
       case "doc":
-        this.store = Va(b, this.store);
+        this.store = Ua(b, this.store);
     }
   }
 };
-Ja(W.prototype);
-function Ab(a, b, c) {
+Ia(W.prototype);
+function zb(a, b, c) {
   a = ("object" === typeof a ? "" + a.query : a).toLowerCase();
-  this.cache || (this.cache = new yb());
+  this.cache || (this.cache = new xb());
   var d = this.cache.get(a);
   if (!d) {
     d = this.search(a, b, c);
@@ -2719,54 +2710,45 @@ function Ab(a, b, c) {
   }
   return d;
 }
-function yb(a) {
+function xb(a) {
   this.limit = a && !0 !== a ? a : 1000;
   this.cache = new Map();
   this.h = "";
 }
-yb.prototype.set = function(a, b) {
+xb.prototype.set = function(a, b) {
   this.cache.set(this.h = a, b);
   this.cache.size > this.limit && this.cache.delete(this.cache.keys().next().value);
 };
-yb.prototype.get = function(a) {
+xb.prototype.get = function(a) {
   var b = this.cache.get(a);
   b && this.h !== a && (this.cache.delete(a), this.cache.set(this.h = a, b));
   return b;
 };
-yb.prototype.remove = function(a) {
+xb.prototype.remove = function(a) {
   for (var b = x(this.cache), c = b.next(); !c.done; c = b.next()) {
     c = c.value;
     var d = c[0];
     c[1].includes(a) && this.cache.delete(d);
   }
 };
-yb.prototype.clear = function() {
+xb.prototype.clear = function() {
   this.cache.clear();
   this.h = "";
 };
-var Bb = {normalize:function(a) {
-  return a.toLowerCase();
-}};
-var Cb = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
-var Db = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), Eb = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
-var Fb = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
-var Gb = /[\x00-\x7F]+/g;
-var Hb = /[\x00-\x7F]+/g;
-var Ib = /[\x00-\x7F]+/g;
-var Jb = {LatinExact:{split:/\s+/, normalize:!1}, LatinDefault:Bb, LatinSimple:{normalize:!0, dedupe:!0}, LatinBalance:{normalize:!0, dedupe:!0, mapper:Cb}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Cb, matcher:Db, replacer:Eb}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Cb, replacer:Eb.concat([/(?!^)[aeo]/g, ""]), matcher:Db}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
+var Ab = {normalize:!1, numeric:!1, split:/\s+/};
+var Bb = {normalize:!0};
+var Cb = {normalize:!0, dedupe:!0};
+var Db = new Map([["b", "p"], ["v", "f"], ["w", "f"], ["z", "s"], ["x", "s"], ["d", "t"], ["n", "m"], ["c", "k"], ["g", "k"], ["j", "k"], ["q", "k"], ["i", "e"], ["y", "e"], ["u", "o"]]);
+var Eb = new Map([["ae", "a"], ["oe", "o"], ["sh", "s"], ["kh", "k"], ["th", "t"], ["ph", "f"], ["pf", "f"]]), Fb = [/([^aeo])h(.)/g, "$1$2", /([aeo])h([^aeo]|$)/g, "$1$2", /(.)\1+/g, "$1"];
+var Gb = {a:"", e:"", i:"", o:"", u:"", y:"", b:1, f:1, p:1, v:1, c:2, g:2, j:2, k:2, q:2, s:2, x:2, z:2, "\u00df":2, d:3, t:3, l:4, m:5, n:5, r:6};
+var Hb = {na:Ab, ma:Bb, oa:Cb, LatinBalance:{normalize:!0, dedupe:!0, mapper:Db}, LatinAdvanced:{normalize:!0, dedupe:!0, mapper:Db, matcher:Eb, replacer:Fb}, LatinExtra:{normalize:!0, dedupe:!0, mapper:Db, replacer:Fb.concat([/(?!^)[aeo]/g, ""]), matcher:Eb}, LatinSoundex:{normalize:!0, dedupe:!1, include:{letter:!0}, finalize:function(a) {
   for (var b = 0; b < a.length; b++) {
-    for (var c = a[b], d = c.charAt(0), e = Fb[d], g = 1, f; g < c.length && (f = c.charAt(g), "h" === f || "w" === f || !(f = Fb[f]) || f === e || (d += f, e = f, 4 !== d.length)); g++) {
+    for (var c = a[b], d = c.charAt(0), e = Gb[d], g = 1, f; g < c.length && (f = c.charAt(g), "h" === f || "w" === f || !(f = Gb[f]) || f === e || (d += f, e = f, 4 !== d.length)); g++) {
     }
     a[b] = d;
   }
-}}, ArabicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(Gb, " ");
-}}, CjkDefault:{normalize:!1, dedupe:!0, split:"", prepare:function(a) {
-  return ("" + a).replace(Hb, "");
-}}, CyrillicDefault:{normalize:!1, dedupe:!0, prepare:function(a) {
-  return ("" + a).replace(Ib, " ");
-}}};
-var Kb = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
+}}, LatinExact:Ab, LatinDefault:Bb, LatinSimple:Cb};
+var Ib = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
 P.prototype.add = function(a, b, c, d) {
   if (b && (a || 0 === a)) {
     if (!d && !c && this.reg.has(a)) {
@@ -2777,39 +2759,40 @@ P.prototype.add = function(a, b, c, d) {
       for (var e = J(), g = J(), f = this.depth, h = this.resolution, k = 0; k < d; k++) {
         var l = b[this.rtl ? d - 1 - k : k], m = l.length;
         if (m && (f || !g[l])) {
-          var n = this.score ? this.score(b, l, k, null, 0) : Lb(h, d, k), p = "";
+          var n = this.score ? this.score(b, l, k, null, 0) : Jb(h, d, k), p = "";
           switch(this.tokenize) {
             case "full":
               if (2 < m) {
                 n = 0;
                 for (var q; n < m; n++) {
                   for (var t = m; t > n; t--) {
-                    p = l.substring(n, t), q = this.rtl ? m - 1 - n : n, q = this.score ? this.score(b, l, k, p, q) : Lb(h, d, k, m, q), Mb(this, g, p, q, a, c);
+                    p = l.substring(n, t), q = this.rtl ? m - 1 - n : n, q = this.score ? this.score(b, l, k, p, q) : Jb(h, d, k, m, q), Kb(this, g, p, q, a, c);
                   }
                 }
                 break;
               }
+            case "bidirectional":
             case "reverse":
               if (1 < m) {
                 for (t = m - 1; 0 < t; t--) {
-                  p = l[this.rtl ? m - 1 - t : t] + p, q = this.score ? this.score(b, l, k, p, t) : Lb(h, d, k, m, t), Mb(this, g, p, q, a, c);
+                  p = l[this.rtl ? m - 1 - t : t] + p, q = this.score ? this.score(b, l, k, p, t) : Jb(h, d, k, m, t), Kb(this, g, p, q, a, c);
                 }
                 p = "";
               }
             case "forward":
               if (1 < m) {
                 for (t = 0; t < m; t++) {
-                  p += l[this.rtl ? m - 1 - t : t], Mb(this, g, p, n, a, c);
+                  p += l[this.rtl ? m - 1 - t : t], Kb(this, g, p, n, a, c);
                 }
                 break;
               }
             default:
-              if (Mb(this, g, l, n, a, c), f && 1 < d && k < d - 1) {
+              if (Kb(this, g, l, n, a, c), f && 1 < d && k < d - 1) {
                 for (m = J(), p = this.da, n = l, t = Math.min(f + 1, this.rtl ? k + 1 : d - k), q = m[n] = 1; q < t; q++) {
                   if ((l = b[this.rtl ? d - 1 - k - q : k + q]) && !m[l]) {
                     m[l] = 1;
-                    var w = this.score ? this.score(b, n, k, l, q - 1) : Lb(p + (d / 2 > p ? 0 : 1), d, k, t - 1, q - 1), r = this.bidirectional && l > n;
-                    Mb(this, e, r ? n : l, w, a, c, r ? l : n);
+                    var w = this.score ? this.score(b, n, k, l, q - 1) : Jb(p + (d / 2 > p ? 0 : 1), d, k, t - 1, q - 1), r = this.bidirectional && l > n;
+                    Kb(this, e, r ? n : l, w, a, c, r ? l : n);
                   }
                 }
               }
@@ -2821,10 +2804,10 @@ P.prototype.add = function(a, b, c, d) {
       b = "";
     }
   }
-  this.db && (b || this.commit_task.push({del:a}), this.ca && Nb(this));
+  this.db && (b || this.commit_task.push({del:a}), this.ca && Lb(this));
   return this;
 };
-function Mb(a, b, c, d, e, g, f) {
+function Kb(a, b, c, d, e, g, f) {
   var h = f ? a.ctx : a.map, k;
   if (!b[c] || f && !(k = b[c])[f]) {
     if (f ? (b = k || (b[c] = J()), b[f] = 1, (k = h.get(f)) ? h = k : h.set(f, h = new Map())) : b[c] = 1, (k = h.get(c)) ? h = k : h.set(c, h = k = []), h = h[d] || (h[d] = []), !g || !h.includes(e)) {
@@ -2842,7 +2825,7 @@ function Mb(a, b, c, d, e, g, f) {
     }
   }
 }
-function Lb(a, b, c, d, e) {
+function Jb(a, b, c, d, e) {
   return c && 1 < a ? b + (d || 0) <= a ? c + (e || 0) : (a - 1) / (b + (d || 0)) * (c + (e || 0)) + 1 | 0 : 0;
 }
 ;P.prototype.search = function(a, b, c) {
@@ -2865,11 +2848,11 @@ function Lb(a, b, c, d, e) {
   var q = p.length;
   b = b || (g ? 100 : 0);
   if (1 === q) {
-    return Ob.call(this, p[0], "", b, e, g, k, n);
+    return Mb.call(this, p[0], "", b, e, g, k, n);
   }
   f = this.depth && !1 !== f;
   if (2 === q && f && !h) {
-    return Ob.call(this, p[0], p[1], b, e, g, k, n);
+    return Mb.call(this, p[0], p[1], b, e, g, k, n);
   }
   var t = J(), w = 0;
   if (1 < q && f) {
@@ -2899,10 +2882,10 @@ function Lb(a, b, c, d, e) {
               break;
             }
             t[v] = 1;
-            return E(y, Pb(A, v, r, 0, 0, !1, !1), 6);
+            return E(y, Nb(A, v, r, 0, 0, !1, !1), 6);
           case 6:
             z = y.D;
-            if (z = Qb(z, d, h, m)) {
+            if (z = Ob(z, d, h, m)) {
               d = z;
               y.h = 4;
               break;
@@ -2914,7 +2897,7 @@ function Lb(a, b, c, d, e) {
             y.h = 2;
             break;
           case 4:
-            return y.return(Rb(d, m, b, e, h, l, g));
+            return y.return(Pb(d, m, b, e, h, l, g));
         }
       });
     }();
@@ -2922,8 +2905,8 @@ function Lb(a, b, c, d, e) {
   for (c = a = void 0; w < q; w++) {
     if ((c = p[w]) && !t[c]) {
       t[c] = 1;
-      a = Pb(this, c, r, 0, 0, !1, !1);
-      if (a = Qb(a, d, h, m)) {
+      a = Nb(this, c, r, 0, 0, !1, !1);
+      if (a = Ob(a, d, h, m)) {
         d = a;
         break;
       }
@@ -2931,24 +2914,24 @@ function Lb(a, b, c, d, e) {
     }
     h && r && w === q - 1 && !d.length && (m = this.resolution, r = "", w = -1, t = J());
   }
-  return Rb(d, m, b, e, h, l, g);
+  return Pb(d, m, b, e, h, l, g);
 };
-function Rb(a, b, c, d, e, g, f) {
+function Pb(a, b, c, d, e, g, f) {
   var h = a.length, k = a;
   if (1 < h) {
-    k = jb(a, b, c, d, e, g, f);
+    k = ib(a, b, c, d, e, g, f);
   } else if (1 === h) {
-    return f ? mb.call(null, a[0], c, d) : new Y(a[0]);
+    return f ? lb.call(null, a[0], c, d) : new Y(a[0]);
   }
   return f ? k : new Y(k);
 }
-function Ob(a, b, c, d, e, g, f) {
-  a = Pb(this, a, b, c, d, e, g, f);
+function Mb(a, b, c, d, e, g, f) {
+  a = Nb(this, a, b, c, d, e, g, f);
   return this.db ? a.then(function(h) {
     return e ? h || [] : new Y(h);
-  }) : a && a.length ? e ? mb.call(this, a, c, d) : new Y(a) : e ? [] : new Y();
+  }) : a && a.length ? e ? lb.call(this, a, c, d) : new Y(a) : e ? [] : new Y();
 }
-function Qb(a, b, c, d) {
+function Ob(a, b, c, d) {
   var e = [];
   if (a && a.length) {
     if (a.length <= d) {
@@ -2969,7 +2952,7 @@ function Qb(a, b, c, d) {
     return e;
   }
 }
-function Pb(a, b, c, d, e, g, f, h) {
+function Nb(a, b, c, d, e, g, f, h) {
   var k;
   c && (k = a.bidirectional && b > c) && (k = c, c = b, b = k);
   if (a.db) {
@@ -2993,15 +2976,15 @@ function Pb(a, b, c, d, e, g, f, h) {
         }
       }
     } else {
-      Sb(this.map, a), this.depth && Sb(this.ctx, a);
+      Qb(this.map, a), this.depth && Qb(this.ctx, a);
     }
     b || this.reg.delete(a);
   }
-  this.db && (this.commit_task.push({del:a}), this.ca && Nb(this));
+  this.db && (this.commit_task.push({del:a}), this.ca && Lb(this));
   this.cache && this.cache.remove(a);
   return this;
 };
-function Sb(a, b) {
+function Qb(a, b) {
   var c = 0;
   if (a.constructor === Array) {
     for (var d = 0, e = void 0, g; d < a.length; d++) {
@@ -3016,7 +2999,7 @@ function Sb(a, b) {
     }
   } else {
     for (d = x(a.entries()), e = d.next(); !e.done; e = d.next()) {
-      g = e.value, e = g[0], (g = Sb(g[1], b)) ? c += g : a.delete(e);
+      g = e.value, e = g[0], (g = Qb(g[1], b)) ? c += g : a.delete(e);
     }
   }
   return c;
@@ -3027,15 +3010,15 @@ function Sb(a, b) {
   }
   if (a) {
     var c = K(a) ? a : a.preset;
-    c && (Kb[c] || console.warn("Preset not found: " + c), a = Object.assign({}, Kb[c], a));
+    c && (Ib[c] || console.warn("Preset not found: " + c), a = Object.assign({}, Ib[c], a));
   } else {
     a = {};
   }
   c = a.context;
-  var d = !0 === c ? {depth:1} : c || {}, e = K(a.encoder) ? Jb[a.encoder] : a.encode || a.encoder || Bb;
-  this.encoder = e.encode ? e : "object" === typeof e ? new Ga(e) : {encode:e};
+  var d = !0 === c ? {depth:1} : c || {}, e = K(a.encoder) ? Hb[a.encoder] : a.encode || a.encoder || Bb;
+  this.encoder = e.encode ? e : "object" === typeof e ? new Fa(e) : {encode:e};
   this.resolution = a.resolution || 9;
-  this.tokenize = c = (c = a.tokenize) && "default" !== c && c || "strict";
+  this.tokenize = c = (c = a.tokenize) && "default" !== c && "exact" !== c && c || "strict";
   this.depth = "strict" === c && d.depth || 0;
   this.bidirectional = !1 !== d.bidirectional;
   this.fastupdate = !!a.fastupdate;
@@ -3047,7 +3030,7 @@ function Sb(a, b) {
   this.reg = b || (this.fastupdate ? c ? new U(c) : new Map() : c ? new V(c) : new Set());
   this.da = d.resolution || 3;
   this.rtl = e.rtl || a.rtl || !1;
-  this.cache = (c = a.cache || null) && new yb(c);
+  this.cache = (c = a.cache || null) && new xb(c);
   this.resolve = !1 !== a.resolve;
   if (c = a.db) {
     this.db = this.mount(c);
@@ -3070,7 +3053,7 @@ u.destroy = function() {
   this.commit_timer && (clearTimeout(this.commit_timer), this.commit_timer = null);
   return this.db.destroy();
 };
-function Nb(a) {
+function Lb(a) {
   a.commit_timer || (a.commit_timer = setTimeout(function() {
     a.commit_timer = null;
     a.db.commit(a, void 0, void 0);
@@ -3096,7 +3079,7 @@ u.update = function(a, b) {
     return c.add(a, b);
   }) : this.add(a, b);
 };
-function Tb(a) {
+function Rb(a) {
   var b = 0;
   if (a.constructor === Array) {
     for (var c = 0, d = void 0; c < a.length; c++) {
@@ -3106,7 +3089,7 @@ function Tb(a) {
     for (c = x(a.entries()), d = c.next(); !d.done; d = c.next()) {
       var e = d.value;
       d = e[0];
-      (e = Tb(e[1])) ? b += e : a.delete(d);
+      (e = Rb(e[1])) ? b += e : a.delete(d);
     }
   }
   return b;
@@ -3115,18 +3098,18 @@ u.cleanup = function() {
   if (!this.fastupdate) {
     return console.info('Cleanup the index isn\'t required when not using "fastupdate".'), this;
   }
-  Tb(this.map);
-  this.depth && Tb(this.ctx);
+  Rb(this.map);
+  this.depth && Rb(this.ctx);
   return this;
 };
-u.searchCache = Ab;
+u.searchCache = zb;
 u.export = function(a, b, c, d) {
   c = void 0 === c ? 0 : c;
   d = void 0 === d ? 0 : d;
   switch(d) {
     case 0:
       var e = "reg";
-      var g = Ya(this.reg);
+      var g = Xa(this.reg);
       break;
     case 1:
       e = "cfg";
@@ -3134,29 +3117,29 @@ u.export = function(a, b, c, d) {
       break;
     case 2:
       e = "map";
-      g = Ua(this.map, this.reg.size);
+      g = Ta(this.map, this.reg.size);
       break;
     case 3:
       e = "ctx";
-      g = Wa(this.ctx, this.reg.size);
+      g = Va(this.ctx, this.reg.size);
       break;
     default:
       return;
   }
-  return $a.call(this, a, b, e, g, c, d);
+  return Za.call(this, a, b, e, g, c, d);
 };
 u.import = function(a, b) {
   if (b) {
     switch("string" === typeof b && (b = JSON.parse(b)), a = a.split("."), "json" === a[a.length - 1] && a.pop(), 3 === a.length && a.shift(), a = 1 < a.length ? a[1] : a[0], a) {
       case "reg":
         this.fastupdate = !1;
-        this.reg = Za(b, this.reg);
+        this.reg = Ya(b, this.reg);
         break;
       case "map":
-        this.map = Va(b, this.map);
+        this.map = Ua(b, this.map);
         break;
       case "ctx":
-        this.ctx = Xa(b, this.ctx);
+        this.ctx = Wa(b, this.ctx);
     }
   }
 };
@@ -3170,13 +3153,13 @@ u.serialize = function(a) {
       g = g.value, e || (e = typeof g), b += (b ? "," : "") + ("string" === e ? '"' + g + '"' : g);
     }
     b = "index.reg=new Set([" + b + "]);";
-    c = ab(this.map, e);
+    c = $a(this.map, e);
     c = "index.map=new Map([" + c + "]);";
     g = x(this.ctx.entries());
     for (var f = g.next(); !f.done; f = g.next()) {
       var h = f.value;
       f = h[0];
-      h = ab(h[1], e);
+      h = $a(h[1], e);
       h = "new Map([" + h + "])";
       h = '["' + f + '",' + h + "]";
       d += (d ? "," : "") + h;
@@ -3185,12 +3168,12 @@ u.serialize = function(a) {
   }
   return a ? "function inject(index){" + b + c + d + "}" : b + c + d;
 };
-Ja(P.prototype);
-var Ub = "undefined" !== typeof window && (window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB), Vb = ["map", "ctx", "tag", "reg", "cfg"], Wb = J();
-function Xb(a, b) {
+Ia(P.prototype);
+var Sb = "undefined" !== typeof window && (window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB), Tb = ["map", "ctx", "tag", "reg", "cfg"], Ub = J();
+function Vb(a, b) {
   b = void 0 === b ? {} : b;
   if (!this) {
-    return new Xb(a, b);
+    return new Vb(a, b);
   }
   "object" === typeof a && (b = a, a = a.name);
   a || console.info("Default storage space was used, because a name was not passed.");
@@ -3201,7 +3184,7 @@ function Xb(a, b) {
   this.db = null;
   this.h = {};
 }
-u = Xb.prototype;
+u = Vb.prototype;
 u.mount = function(a) {
   if (!a.encoder) {
     return a.mount(this);
@@ -3215,14 +3198,14 @@ u.open = function() {
   }
   var a = this;
   navigator.storage && navigator.storage.persist();
-  Wb[a.id] || (Wb[a.id] = []);
-  Wb[a.id].push(a.field);
-  var b = Ub.open(a.id, 1);
+  Ub[a.id] || (Ub[a.id] = []);
+  Ub[a.id].push(a.field);
+  var b = Sb.open(a.id, 1);
   b.onupgradeneeded = function() {
-    for (var c = a.db = this.result, d = 0, e; d < Vb.length; d++) {
-      e = Vb[d];
-      for (var g = 0, f; g < Wb[a.id].length; g++) {
-        f = Wb[a.id][g], c.objectStoreNames.contains(e + ("reg" !== e ? f ? ":" + f : "" : "")) || c.createObjectStore(e + ("reg" !== e ? f ? ":" + f : "" : ""));
+    for (var c = a.db = this.result, d = 0, e; d < Tb.length; d++) {
+      e = Tb[d];
+      for (var g = 0, f; g < Ub[a.id].length; g++) {
+        f = Ub[a.id][g], c.objectStoreNames.contains(e + ("reg" !== e ? f ? ":" + f : "" : "")) || c.createObjectStore(e + ("reg" !== e ? f ? ":" + f : "" : ""));
       }
     }
   };
@@ -3238,14 +3221,14 @@ u.close = function() {
   this.db = null;
 };
 u.destroy = function() {
-  var a = Ub.deleteDatabase(this.id);
+  var a = Sb.deleteDatabase(this.id);
   return Z(a);
 };
 u.clear = function() {
-  for (var a = [], b = 0, c; b < Vb.length; b++) {
-    c = Vb[b];
-    for (var d = 0, e; d < Wb[this.id].length; d++) {
-      e = Wb[this.id][d], a.push(c + ("reg" !== c ? e ? ":" + e : "" : ""));
+  for (var a = [], b = 0, c; b < Tb.length; b++) {
+    c = Tb[b];
+    for (var d = 0, e; d < Ub[this.id].length; d++) {
+      e = Ub[this.id][d], a.push(c + ("reg" !== c ? e ? ":" + e : "" : ""));
     }
   }
   b = this.db.transaction(a, "readwrite");
@@ -3492,7 +3475,7 @@ u.commit = function(a, b, c) {
     }
   });
 };
-function $b(a, b, c) {
+function Wb(a, b, c) {
   for (var d = a.value, e, g = 0, f = 0, h; f < d.length; f++) {
     if (h = c ? d : d[f]) {
       for (var k = 0, l; k < b.length; k++) {
@@ -3519,17 +3502,17 @@ u.remove = function(a) {
   return Promise.all([this.transaction("map", "readwrite", function(b) {
     b.openCursor().onsuccess = function() {
       var c = this.result;
-      c && $b(c, a);
+      c && Wb(c, a);
     };
   }), this.transaction("ctx", "readwrite", function(b) {
     b.openCursor().onsuccess = function() {
       var c = this.result;
-      c && $b(c, a);
+      c && Wb(c, a);
     };
   }), this.transaction("tag", "readwrite", function(b) {
     b.openCursor().onsuccess = function() {
       var c = this.result;
-      c && $b(c, a, !0);
+      c && Wb(c, a, !0);
     };
   }), this.transaction("reg", "readwrite", function(b) {
     for (var c = 0; c < a.length; c++) {
@@ -3548,8 +3531,8 @@ function Z(a, b) {
     a = null;
   });
 }
-;var ac = {Index:P, Charset:Jb, Encoder:Ga, Document:W, Worker:Sa, Resolver:Y, IndexedDB:Xb, Language:{}}, bc = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self, cc;
-(cc = bc.define) && cc.amd ? cc([], function() {
-  return ac;
-}) : "object" === typeof bc.exports ? bc.exports = ac : bc.FlexSearch = ac;
+;var Xb = {Index:P, Charset:Hb, Encoder:Fa, Document:W, Worker:Ra, Resolver:Y, IndexedDB:Vb, Language:{}}, Yb = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self, ac;
+(ac = Yb.define) && ac.amd ? ac([], function() {
+  return Xb;
+}) : "object" === typeof Yb.exports ? Yb.exports = Xb : Yb.FlexSearch = Xb;
 }(this||self));
diff --git a/dist/flexsearch.es5.min.js b/dist/flexsearch.es5.min.js
index b1131be..af30cb8 100644
--- a/dist/flexsearch.es5.min.js
+++ b/dist/flexsearch.es5.min.js
@@ -1,5 +1,5 @@
 /**!
- * FlexSearch.js v0.8.142 (ES5)
+ * FlexSearch.js v0.8.143 (ES5)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
@@ -37,96 +37,90 @@ C("Array.prototype.includes",function(a){return a?a:function(b,c){var d=this;d i
 C("String.prototype.includes",function(a){return a?a:function(b,c){if(null==this)throw new TypeError("The 'this' value for String.prototype.includes must not be null or undefined");if(b instanceof RegExp)throw new TypeError("First argument to String.prototype.includes must not be a regular expression");return-1!==this.indexOf(b,c||0)}});
 C("Array.prototype.flat",function(a){return a?a:function(b){b=void 0===b?1:b;var c=[];Array.prototype.forEach.call(this,function(d){Array.isArray(d)&&0<b?(d=Array.prototype.flat.call(d,b-1),c.push.apply(c,d)):c.push(d)});return c}});var wa="function"==typeof Object.assign?Object.assign:function(a,b){for(var c=1;c<arguments.length;c++){var d=arguments[c];if(d)for(var e in d)F(d,e)&&(a[e]=d[e])}return a};C("Object.assign",function(a){return a||wa});
 C("Promise.prototype.finally",function(a){return a?a:function(b){return this.then(function(c){return Promise.resolve(b()).then(function(){return c})},function(c){return Promise.resolve(b()).then(function(){throw c;})})}});function G(a,b,c){var d=typeof c,e=typeof a;if("undefined"!==d){if("undefined"!==e){if(c){if("function"===e&&d===e)return function(g){return a(c(g))};b=a.constructor;if(b===c.constructor){if(b===Array)return c.concat(a);if(b===Map){b=new Map(c);d=x(a);for(e=d.next();!e.done;e=d.next())e=e.value,b.set(e[0],e[1]);return b}if(b===Set){b=new Set(c);d=x(a.values());for(e=d.next();!e.done;e=d.next())b.add(e.value);return b}}}return a}return c}return"undefined"===e?b:a}
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-u.open=function(){if(this.db)return this.db;var a=this;navigator.storage&&navigator.storage.persist();Wb[a.id]||(Wb[a.id]=[]);Wb[a.id].push(a.field);var b=Ub.open(a.id,1);b.onupgradeneeded=function(){for(var c=a.db=this.result,d=0,e;d<Vb.length;d++){e=Vb[d];for(var g=0,f;g<Wb[a.id].length;g++)f=Wb[a.id][g],c.objectStoreNames.contains(e+("reg"!==e?f?":"+f:"":""))||c.createObjectStore(e+("reg"!==e?f?":"+f:"":""))}};return a.db=Z(b,function(c){a.db=c;a.db.onversionchange=function(){a.close()}})};
-u.close=function(){this.db&&this.db.close();this.db=null};u.destroy=function(){var a=Ub.deleteDatabase(this.id);return Z(a)};u.clear=function(){for(var a=[],b=0,c;b<Vb.length;b++){c=Vb[b];for(var d=0,e;d<Wb[this.id].length;d++)e=Wb[this.id][d],a.push(c+("reg"!==c?e?":"+e:"":""))}b=this.db.transaction(a,"readwrite");for(c=0;c<a.length;c++)b.objectStore(a[c]).clear();return Z(b)};
+function Rb(a){var b=0;if(a.constructor===Array)for(var c=0,d=void 0;c<a.length;c++)(d=a[c])&&(b+=d.length);else for(c=x(a.entries()),d=c.next();!d.done;d=c.next()){var e=d.value;d=e[0];(e=Rb(e[1]))?b+=e:a.delete(d)}return b}u.cleanup=function(){if(!this.fastupdate)return this;Rb(this.map);this.depth&&Rb(this.ctx);return this};u.searchCache=zb;
+u.export=function(a,b,c,d){c=void 0===c?0:c;d=void 0===d?0:d;switch(d){case 0:var e="reg";var g=Ya(this.reg);break;case 1:e="cfg";g=null;break;case 2:e="map";g=Ua(this.map,this.reg.size);break;case 3:e="ctx";g=Wa(this.ctx,this.reg.size);break;default:return}return $a.call(this,a,b,e,g,c,d)};
+u.import=function(a,b){if(b)switch("string"===typeof b&&(b=JSON.parse(b)),a=a.split("."),"json"===a[a.length-1]&&a.pop(),3===a.length&&a.shift(),a=1<a.length?a[1]:a[0],a){case "reg":this.fastupdate=!1;this.reg=Za(b,this.reg);break;case "map":this.map=Va(b,this.map);break;case "ctx":this.ctx=Xa(b,this.ctx)}};
+u.serialize=function(a){a=void 0===a?!0:a;var b="",c="",d="";if(this.reg.size){var e;c=x(this.reg.keys());for(var g=c.next();!g.done;g=c.next())g=g.value,e||(e=typeof g),b+=(b?",":"")+("string"===e?'"'+g+'"':g);b="index.reg=new Set(["+b+"]);";c=ab(this.map,e);c="index.map=new Map(["+c+"]);";g=x(this.ctx.entries());for(var f=g.next();!f.done;f=g.next()){var h=f.value;f=h[0];h=ab(h[1],e);h="new Map(["+h+"])";h='["'+f+'",'+h+"]";d+=(d?",":"")+h}d="index.ctx=new Map(["+d+"]);"}return a?"function inject(index){"+
+b+c+d+"}":b+c+d};La(O.prototype);var Sb="undefined"!==typeof window&&(window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB),Tb=["map","ctx","tag","reg","cfg"],Ub=J();
+function Vb(a,b){b=void 0===b?{}:b;if(!this)return new Vb(a,b);"object"===typeof a&&(b=a,a=a.name);a||console.info("Default storage space was used, because a name was not passed.");this.id="flexsearch"+(a?":"+a.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"");this.field=b.field?b.field.toLowerCase().replace(/[^a-z0-9_\-]/g,""):"";this.type=b.type;this.fastupdate=this.support_tag_search=!1;this.db=null;this.h={}}u=Vb.prototype;u.mount=function(a){if(!a.encoder)return a.mount(this);a.db=this;return this.open()};
+u.open=function(){if(this.db)return this.db;var a=this;navigator.storage&&navigator.storage.persist();Ub[a.id]||(Ub[a.id]=[]);Ub[a.id].push(a.field);var b=Sb.open(a.id,1);b.onupgradeneeded=function(){for(var c=a.db=this.result,d=0,e;d<Tb.length;d++){e=Tb[d];for(var g=0,f;g<Ub[a.id].length;g++)f=Ub[a.id][g],c.objectStoreNames.contains(e+("reg"!==e?f?":"+f:"":""))||c.createObjectStore(e+("reg"!==e?f?":"+f:"":""))}};return a.db=Z(b,function(c){a.db=c;a.db.onversionchange=function(){a.close()}})};
+u.close=function(){this.db&&this.db.close();this.db=null};u.destroy=function(){var a=Sb.deleteDatabase(this.id);return Z(a)};u.clear=function(){for(var a=[],b=0,c;b<Tb.length;b++){c=Tb[b];for(var d=0,e;d<Ub[this.id].length;d++)e=Ub[this.id][d],a.push(c+("reg"!==c?e?":"+e:"":""))}b=this.db.transaction(a,"readwrite");for(c=0;c<a.length;c++)b.objectStore(a[c]).clear();return Z(b)};
 u.get=function(a,b,c,d,e,g){c=void 0===c?0:c;d=void 0===d?0:d;e=void 0===e?!0:e;g=void 0===g?!1:g;a=this.db.transaction((b?"ctx":"map")+(this.field?":"+this.field:""),"readonly").objectStore((b?"ctx":"map")+(this.field?":"+this.field:"")).get(b?b+":"+a:a);var f=this;return Z(a).then(function(h){var k=[];if(!h||!h.length)return k;if(e){if(!c&&!d&&1===h.length)return h[0];for(var l=0,m=void 0;l<h.length;l++)if((m=h[l])&&m.length)if(d>=m.length)d-=m.length;else{for(var n=c?d+Math.min(m.length-d,c):m.length,
 p=d;p<n;p++)k.push(m[p]);d=0;if(k.length===c)break}return g?f.enrich(k):k}return h})};u.tag=function(a,b,c,d){b=void 0===b?0:b;c=void 0===c?0:c;d=void 0===d?!1:d;a=this.db.transaction("tag"+(this.field?":"+this.field:""),"readonly").objectStore("tag"+(this.field?":"+this.field:"")).get(a);var e=this;return Z(a).then(function(g){if(!g||!g.length||c>=g.length)return[];if(!b&&!c)return g;g=g.slice(c,c+b);return d?e.enrich(g):g})};
 u.enrich=function(a){"object"!==typeof a&&(a=[a]);for(var b=this.db.transaction("reg","readonly").objectStore("reg"),c=[],d=0;d<a.length;d++)c[d]=Z(b.get(a[d]));return Promise.all(c).then(function(e){for(var g=0;g<e.length;g++)e[g]={id:a[g],doc:e[g]?JSON.parse(e[g]):null};return e})};u.has=function(a){a=this.db.transaction("reg","readonly").objectStore("reg").getKey(a);return Z(a).then(function(b){return!!b})};u.search=null;u.info=function(){};
@@ -136,6 +130,6 @@ u.commit=function(a,b,c){var d=this,e,g,f;return ta(function(h){switch(h.h){case
 function(k){for(var l=x(a.ctx),m=l.next(),n={};!m.done;n={V:void 0},m=l.next()){m=m.value;n.V=m[0];m=x(m[1]);for(var p=m.next(),q={};!p.done;q={P:void 0,Z:void 0},p=m.next())p=p.value,q.Z=p[0],q.P=p[1],q.P.length&&(b?k.put(q.P,n.V+":"+q.Z):k.get(n.V+":"+q.Z).onsuccess=function(r,w){return function(){var t=this.result,A;if(t&&t.length)for(var z=Math.max(t.length,r.P.length),v=0,y;v<z;v++){if((y=r.P[v])&&y.length){if((A=t[v])&&A.length)for(var D=0;D<y.length;D++)A.push(y[D]);else t[v]=y;A=1}}else t=
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 x(a.tag),m=l.next(),n={};!m.done;n={X:void 0,ba:void 0},m=l.next())m=m.value,n.ba=m[0],n.X=m[1],n.X.length&&(k.get(n.ba).onsuccess=function(p){return function(){var q=this.result;q=q&&q.length?q.concat(p.X):p.X;k.put(q,p.ba)}}(n))}),20);case 20:a.map.clear(),a.ctx.clear(),a.tag&&a.tag.clear(),a.store&&a.store.clear(),a.document||a.reg.clear(),h.h=0}})};
-function $b(a,b,c){for(var d=a.value,e,g=0,f=0,h;f<d.length;f++){if(h=c?d:d[f]){for(var k=0,l;k<b.length;k++)if(l=b[k],l=h.indexOf(l),0<=l)if(e=1,1<h.length)h.splice(l,1);else{d[f]=[];break}g+=h.length}if(c)break}g?e&&a.update(d):a.delete();a.continue()}
-u.remove=function(a){"object"!==typeof a&&(a=[a]);return Promise.all([this.transaction("map","readwrite",function(b){b.openCursor().onsuccess=function(){var c=this.result;c&&$b(c,a)}}),this.transaction("ctx","readwrite",function(b){b.openCursor().onsuccess=function(){var c=this.result;c&&$b(c,a)}}),this.transaction("tag","readwrite",function(b){b.openCursor().onsuccess=function(){var c=this.result;c&&$b(c,a,!0)}}),this.transaction("reg","readwrite",function(b){for(var c=0;c<a.length;c++)b.delete(a[c])})])};
-function Z(a,b){return new Promise(function(c,d){a.onsuccess=a.oncomplete=function(){b&&b(this.result);b=null;c(this.result)};a.onerror=a.onblocked=d;a=null})};var ac={Index:O,Charset:Jb,Encoder:Ga,Document:V,Worker:Ta,Resolver:X,IndexedDB:Zb,Language:{}},bc="undefined"!==typeof self?self:"undefined"!==typeof global?global:self,cc;(cc=bc.define)&&cc.amd?cc([],function(){return ac}):"object"===typeof bc.exports?bc.exports=ac:bc.FlexSearch=ac;}(this||self));
+function Wb(a,b,c){for(var d=a.value,e,g=0,f=0,h;f<d.length;f++){if(h=c?d:d[f]){for(var k=0,l;k<b.length;k++)if(l=b[k],l=h.indexOf(l),0<=l)if(e=1,1<h.length)h.splice(l,1);else{d[f]=[];break}g+=h.length}if(c)break}g?e&&a.update(d):a.delete();a.continue()}
+u.remove=function(a){"object"!==typeof a&&(a=[a]);return Promise.all([this.transaction("map","readwrite",function(b){b.openCursor().onsuccess=function(){var c=this.result;c&&Wb(c,a)}}),this.transaction("ctx","readwrite",function(b){b.openCursor().onsuccess=function(){var c=this.result;c&&Wb(c,a)}}),this.transaction("tag","readwrite",function(b){b.openCursor().onsuccess=function(){var c=this.result;c&&Wb(c,a,!0)}}),this.transaction("reg","readwrite",function(b){for(var c=0;c<a.length;c++)b.delete(a[c])})])};
+function Z(a,b){return new Promise(function(c,d){a.onsuccess=a.oncomplete=function(){b&&b(this.result);b=null;c(this.result)};a.onerror=a.onblocked=d;a=null})};var Xb={Index:O,Charset:Hb,Encoder:Fa,Document:V,Worker:Sa,Resolver:X,IndexedDB:Vb,Language:{}},$b="undefined"!==typeof self?self:"undefined"!==typeof global?global:self,ac;(ac=$b.define)&&ac.amd?ac([],function(){return Xb}):"object"===typeof $b.exports?$b.exports=Xb:$b.FlexSearch=Xb;}(this||self));
diff --git a/dist/flexsearch.light.debug.js b/dist/flexsearch.light.debug.js
index 4fa94e4..90a071b 100644
--- a/dist/flexsearch.light.debug.js
+++ b/dist/flexsearch.light.debug.js
@@ -1,5 +1,5 @@
 /**!
- * FlexSearch.js v0.8.142 (Light/Debug)
+ * FlexSearch.js v0.8.143 (Light/Debug)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
@@ -7,29 +7,29 @@
  */
 (function(self){'use strict';
 var r;
-function u(a, c, b) {
-  const f = typeof b, d = typeof a;
+function u(a, d, b) {
+  const f = typeof b, c = typeof a;
   if ("undefined" !== f) {
-    if ("undefined" !== d) {
+    if ("undefined" !== c) {
       if (b) {
-        if ("function" === d && f === d) {
+        if ("function" === c && f === c) {
           return function(h) {
             return a(b(h));
           };
         }
-        c = a.constructor;
-        if (c === b.constructor) {
-          if (c === Array) {
+        d = a.constructor;
+        if (d === b.constructor) {
+          if (d === Array) {
             return b.concat(a);
           }
-          if (c === Map) {
+          if (d === Map) {
             var g = new Map(b);
             for (var e of a) {
               g.set(e[0], e[1]);
             }
             return g;
           }
-          if (c === Set) {
+          if (d === Set) {
             e = new Set(b);
             for (g of a.values()) {
               e.add(g);
@@ -42,12 +42,12 @@ function u(a, c, b) {
     }
     return b;
   }
-  return "undefined" === d ? c : a;
+  return "undefined" === c ? d : a;
 }
 function w() {
   return Object.create(null);
 }
-;const y = /[^\p{L}\p{N}]+/u, z = /(\d{3})/g, B = /(\D)(\d{3})/g, C = /(\d{3})(\D)/g, E = "".normalize && /[\u0300-\u036f]/g;
+;const y = /[^\p{L}\p{N}]+/u, z = /(\d{3})/g, B = /(\D)(\d{3})/g, D = /(\d{3})(\D)/g, E = /[\u0300-\u036f]/g;
 function F(a = {}) {
   if (!this || this.constructor !== F) {
     return new F(...arguments);
@@ -63,22 +63,22 @@ function F(a = {}) {
 r = F.prototype;
 r.assign = function(a) {
   this.normalize = u(a.normalize, !0, this.normalize);
-  let c = a.include, b = c || a.exclude || a.split, f;
+  let d = a.include, b = d || a.exclude || a.split, f;
   if (b || "" === b) {
     if ("object" === typeof b && b.constructor !== RegExp) {
-      let d = "";
-      f = !c;
-      c || (d += "\\p{Z}");
-      b.letter && (d += "\\p{L}");
-      b.number && (d += "\\p{N}", f = !!c);
-      b.symbol && (d += "\\p{S}");
-      b.punctuation && (d += "\\p{P}");
-      b.control && (d += "\\p{C}");
+      let c = "";
+      f = !d;
+      d || (c += "\\p{Z}");
+      b.letter && (c += "\\p{L}");
+      b.number && (c += "\\p{N}", f = !!d);
+      b.symbol && (c += "\\p{S}");
+      b.punctuation && (c += "\\p{P}");
+      b.control && (c += "\\p{C}");
       if (b = b.char) {
-        d += "object" === typeof b ? b.join("") : b;
+        c += "object" === typeof b ? b.join("") : b;
       }
       try {
-        this.split = new RegExp("[" + (c ? "^" : "") + d + "]+", "u");
+        this.split = new RegExp("[" + (d ? "^" : "") + c + "]+", "u");
       } catch (g) {
         console.error("Your split configuration:", b, "is not supported on this platform. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
       }
@@ -89,7 +89,7 @@ r.assign = function(a) {
   } else {
     try {
       this.split = u(this.split, y);
-    } catch (d) {
+    } catch (c) {
       console.warn("This platform does not support unicode regex. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
     }
     this.numeric = u(a.numeric, u(this.numeric, !0));
@@ -114,20 +114,20 @@ r.assign = function(a) {
   this.h = "";
   this.u = null;
   if (this.matcher) {
-    for (const d of this.matcher.keys()) {
-      this.g += (this.g ? "|" : "") + d;
+    for (const c of this.matcher.keys()) {
+      this.g += (this.g ? "|" : "") + c;
     }
   }
   if (this.stemmer) {
-    for (const d of this.stemmer.keys()) {
-      this.h += (this.h ? "|" : "") + d;
+    for (const c of this.stemmer.keys()) {
+      this.h += (this.h ? "|" : "") + c;
     }
   }
   return this;
 };
-r.addStemmer = function(a, c) {
+r.addStemmer = function(a, d) {
   this.stemmer || (this.stemmer = new Map());
-  this.stemmer.set(a, c);
+  this.stemmer.set(a, d);
   this.h += (this.h ? "|" : "") + a;
   this.u = null;
   this.cache && G(this);
@@ -138,38 +138,38 @@ r.addFilter = function(a) {
   this.cache && G(this);
   return this;
 };
-r.addMapper = function(a, c) {
+r.addMapper = function(a, d) {
   if ("object" === typeof a) {
-    return this.addReplacer(a, c);
+    return this.addReplacer(a, d);
   }
   if (1 < a.length) {
-    return this.addMatcher(a, c);
+    return this.addMatcher(a, d);
   }
   this.mapper || (this.mapper = new Map());
-  this.mapper.set(a, c);
+  this.mapper.set(a, d);
   this.cache && G(this);
   return this;
 };
-r.addMatcher = function(a, c) {
+r.addMatcher = function(a, d) {
   if ("object" === typeof a) {
-    return this.addReplacer(a, c);
+    return this.addReplacer(a, d);
   }
   if (2 > a.length && (this.dedupe || this.mapper)) {
-    return this.addMapper(a, c);
+    return this.addMapper(a, d);
   }
   this.matcher || (this.matcher = new Map());
-  this.matcher.set(a, c);
+  this.matcher.set(a, d);
   this.g += (this.g ? "|" : "") + a;
   this.s = null;
   this.cache && G(this);
   return this;
 };
-r.addReplacer = function(a, c) {
+r.addReplacer = function(a, d) {
   if ("string" === typeof a) {
-    return this.addMatcher(a, c);
+    return this.addMatcher(a, d);
   }
   this.replacer || (this.replacer = []);
-  this.replacer.push(a, c);
+  this.replacer.push(a, d);
   this.cache && G(this);
   return this;
 };
@@ -185,38 +185,38 @@ r.encode = function(a) {
   }
   this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = E ? a.normalize("NFKD").replace(E, "").toLowerCase() : a.toLowerCase());
   this.prepare && (a = this.prepare(a));
-  this.numeric && 3 < a.length && (a = a.replace(B, "$1 $2").replace(C, "$1 $2").replace(z, "$1 "));
-  const c = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
+  this.numeric && 3 < a.length && (a = a.replace(B, "$1 $2").replace(D, "$1 $2").replace(z, "$1 "));
+  const d = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
   let b = [], f = this.split || "" === this.split ? a.split(this.split) : a;
   for (let g = 0, e, h; g < f.length; g++) {
     if ((e = h = f[g]) && !(e.length < this.minlength)) {
-      if (c) {
+      if (d) {
         b.push(e);
       } else {
         if (!this.filter || ("function" === typeof this.filter ? this.filter(e) : !this.filter.has(e))) {
           if (this.cache && e.length <= this.o) {
             if (this.l) {
-              var d = this.j.get(e);
-              if (d || "" === d) {
-                d && b.push(d);
+              var c = this.j.get(e);
+              if (c || "" === c) {
+                c && b.push(c);
                 continue;
               }
             } else {
               this.l = setTimeout(G, 50, this);
             }
           }
-          this.stemmer && 2 < e.length && (this.u || (this.u = new RegExp("(?!^)(" + this.h + ")$")), d = e, e = e.replace(this.u, k => this.stemmer.get(k)), d !== e && this.filter && e.length >= this.minlength && ("function" === typeof this.filter ? !this.filter(e) : this.filter.has(e)) && (e = ""));
+          this.stemmer && 2 < e.length && (this.u || (this.u = new RegExp("(?!^)(" + this.h + ")$")), c = e, e = e.replace(this.u, k => this.stemmer.get(k)), c !== e && this.filter && e.length >= this.minlength && ("function" === typeof this.filter ? !this.filter(e) : this.filter.has(e)) && (e = ""));
           if (e && (this.mapper || this.dedupe && 1 < e.length)) {
-            d = "";
+            c = "";
             for (let k = 0, n = "", m, v; k < e.length; k++) {
-              m = e.charAt(k), m === n && this.dedupe || ((v = this.mapper && this.mapper.get(m)) || "" === v ? v === n && this.dedupe || !(n = v) || (d += v) : d += n = m);
+              m = e.charAt(k), m === n && this.dedupe || ((v = this.mapper && this.mapper.get(m)) || "" === v ? v === n && this.dedupe || !(n = v) || (c += v) : c += n = m);
             }
-            e = d;
+            e = c;
           }
           this.matcher && 1 < e.length && (this.s || (this.s = new RegExp("(" + this.g + ")", "g")), e = e.replace(this.s, k => this.matcher.get(k)));
           if (e && this.replacer) {
-            for (d = 0; e && d < this.replacer.length; d += 2) {
-              e = e.replace(this.replacer[d], this.replacer[d + 1]);
+            for (c = 0; e && c < this.replacer.length; c += 2) {
+              e = e.replace(this.replacer[c], this.replacer[c + 1]);
             }
           }
           this.cache && h.length <= this.o && (this.j.set(h, e), this.j.size > this.A && (this.j.clear(), this.o = this.o / 1.1 | 0));
@@ -234,30 +234,30 @@ function G(a) {
   a.i.clear();
   a.j.clear();
 }
-;function H(a, c, b) {
+;function H(a, d, b) {
   if (!a.length) {
     return a;
   }
   if (1 === a.length) {
-    return a = a[0], a = b || a.length > c ? c ? a.slice(b, b + c) : a.slice(b) : a;
+    return a = a[0], a = b || a.length > d ? d ? a.slice(b, b + d) : a.slice(b) : a;
   }
   let f = [];
-  for (let d = 0, g, e; d < a.length; d++) {
-    if ((g = a[d]) && (e = g.length)) {
+  for (let c = 0, g, e; c < a.length; c++) {
+    if ((g = a[c]) && (e = g.length)) {
       if (b) {
         if (b >= e) {
           b -= e;
           continue;
         }
-        b < e && (g = c ? g.slice(b, b + c) : g.slice(b), e = g.length, b = 0);
+        b < e && (g = d ? g.slice(b, b + d) : g.slice(b), e = g.length, b = 0);
       }
-      e > c && (g = g.slice(0, c), e = c);
-      if (!f.length && e >= c) {
+      e > d && (g = g.slice(0, d), e = d);
+      if (!f.length && e >= d) {
         return g;
       }
       f.push(g);
-      c -= e;
-      if (!c) {
+      d -= e;
+      if (!d) {
         break;
       }
     }
@@ -265,83 +265,58 @@ function G(a) {
   return f = 1 < f.length ? [].concat.apply([], f) : f[0];
 }
 ;w();
-function I(a) {
-  this.limit = a && !0 !== a ? a : 1000;
-  this.cache = new Map();
-  this.g = "";
-}
-I.prototype.set = function(a, c) {
-  this.cache.set(this.g = a, c);
-  this.cache.size > this.limit && this.cache.delete(this.cache.keys().next().value);
-};
-I.prototype.get = function(a) {
-  const c = this.cache.get(a);
-  c && this.g !== a && (this.cache.delete(a), this.cache.set(this.g = a, c));
-  return c;
-};
-I.prototype.remove = function(a) {
-  for (const c of this.cache) {
-    const b = c[0];
-    c[1].includes(a) && this.cache.delete(b);
-  }
-};
-I.prototype.clear = function() {
-  this.cache.clear();
-  this.g = "";
-};
-const J = {normalize:function(a) {
-  return a.toLowerCase();
-}};
-const K = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
-L.prototype.add = function(a, c, b, f) {
-  if (c && (a || 0 === a)) {
+const I = {normalize:!0};
+const J = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
+K.prototype.add = function(a, d, b, f) {
+  if (d && (a || 0 === a)) {
     if (!f && !b && this.reg.has(a)) {
-      return this.update(a, c);
+      return this.update(a, d);
     }
-    c = this.encoder.encode(c);
-    if (f = c.length) {
-      const n = w(), m = w(), v = this.depth, D = this.resolution;
+    d = this.encoder.encode(d);
+    if (f = d.length) {
+      const n = w(), m = w(), v = this.depth, C = this.resolution;
       for (let p = 0; p < f; p++) {
-        let l = c[this.rtl ? f - 1 - p : p];
-        var d = l.length;
-        if (d && (v || !m[l])) {
-          var g = this.score ? this.score(c, l, p, null, 0) : M(D, f, p), e = "";
+        let l = d[this.rtl ? f - 1 - p : p];
+        var c = l.length;
+        if (c && (v || !m[l])) {
+          var g = this.score ? this.score(d, l, p, null, 0) : L(C, f, p), e = "";
           switch(this.tokenize) {
             case "full":
-              if (2 < d) {
-                for (let q = 0, t; q < d; q++) {
-                  for (g = d; g > q; g--) {
+              if (2 < c) {
+                for (let q = 0, t; q < c; q++) {
+                  for (g = c; g > q; g--) {
                     e = l.substring(q, g);
-                    t = this.rtl ? d - 1 - q : q;
-                    var h = this.score ? this.score(c, l, p, e, t) : M(D, f, p, d, t);
-                    N(this, m, e, h, a, b);
+                    t = this.rtl ? c - 1 - q : q;
+                    var h = this.score ? this.score(d, l, p, e, t) : L(C, f, p, c, t);
+                    M(this, m, e, h, a, b);
                   }
                 }
                 break;
               }
+            case "bidirectional":
             case "reverse":
-              if (1 < d) {
-                for (h = d - 1; 0 < h; h--) {
-                  e = l[this.rtl ? d - 1 - h : h] + e;
-                  var k = this.score ? this.score(c, l, p, e, h) : M(D, f, p, d, h);
-                  N(this, m, e, k, a, b);
+              if (1 < c) {
+                for (h = c - 1; 0 < h; h--) {
+                  e = l[this.rtl ? c - 1 - h : h] + e;
+                  var k = this.score ? this.score(d, l, p, e, h) : L(C, f, p, c, h);
+                  M(this, m, e, k, a, b);
                 }
                 e = "";
               }
             case "forward":
-              if (1 < d) {
-                for (h = 0; h < d; h++) {
-                  e += l[this.rtl ? d - 1 - h : h], N(this, m, e, g, a, b);
+              if (1 < c) {
+                for (h = 0; h < c; h++) {
+                  e += l[this.rtl ? c - 1 - h : h], M(this, m, e, g, a, b);
                 }
                 break;
               }
             default:
-              if (N(this, m, l, g, a, b), v && 1 < f && p < f - 1) {
-                for (d = w(), e = this.v, g = l, h = Math.min(v + 1, this.rtl ? p + 1 : f - p), d[g] = 1, k = 1; k < h; k++) {
-                  if ((l = c[this.rtl ? f - 1 - p - k : p + k]) && !d[l]) {
-                    d[l] = 1;
-                    const q = this.score ? this.score(c, g, p, l, k - 1) : M(e + (f / 2 > e ? 0 : 1), f, p, h - 1, k - 1), t = this.bidirectional && l > g;
-                    N(this, n, t ? g : l, q, a, b, t ? l : g);
+              if (M(this, m, l, g, a, b), v && 1 < f && p < f - 1) {
+                for (c = w(), e = this.v, g = l, h = Math.min(v + 1, this.rtl ? p + 1 : f - p), c[g] = 1, k = 1; k < h; k++) {
+                  if ((l = d[this.rtl ? f - 1 - p - k : p + k]) && !c[l]) {
+                    c[l] = 1;
+                    const q = this.score ? this.score(d, g, p, l, k - 1) : L(e + (f / 2 > e ? 0 : 1), f, p, h - 1, k - 1), t = this.bidirectional && l > g;
+                    M(this, n, t ? g : l, q, a, b, t ? l : g);
                   }
                 }
               }
@@ -353,22 +328,22 @@ L.prototype.add = function(a, c, b, f) {
   }
   return this;
 };
-function N(a, c, b, f, d, g, e) {
+function M(a, d, b, f, c, g, e) {
   let h = e ? a.ctx : a.map, k;
-  if (!c[b] || e && !(k = c[b])[e]) {
-    e ? (c = k || (c[b] = w()), c[e] = 1, (k = h.get(e)) ? h = k : h.set(e, h = new Map())) : c[b] = 1, (k = h.get(b)) ? h = k : h.set(b, h = []), h = h[f] || (h[f] = []), g && h.includes(d) || (h.push(d), a.fastupdate && ((c = a.reg.get(d)) ? c.push(h) : a.reg.set(d, [h])));
+  if (!d[b] || e && !(k = d[b])[e]) {
+    e ? (d = k || (d[b] = w()), d[e] = 1, (k = h.get(e)) ? h = k : h.set(e, h = new Map())) : d[b] = 1, (k = h.get(b)) ? h = k : h.set(b, h = []), h = h[f] || (h[f] = []), g && h.includes(c) || (h.push(c), a.fastupdate && ((d = a.reg.get(c)) ? d.push(h) : a.reg.set(c, [h])));
   }
 }
-function M(a, c, b, f, d) {
-  return b && 1 < a ? c + (f || 0) <= a ? b + (d || 0) : (a - 1) / (c + (f || 0)) * (b + (d || 0)) + 1 | 0 : 0;
+function L(a, d, b, f, c) {
+  return b && 1 < a ? d + (f || 0) <= a ? b + (c || 0) : (a - 1) / (d + (f || 0)) * (b + (c || 0)) + 1 | 0 : 0;
 }
-;L.prototype.search = function(a, c, b) {
-  b || (c || "object" !== typeof a ? "object" === typeof c && (b = c, c = 0) : (b = a, a = ""));
-  var f = [], d = 0;
+;K.prototype.search = function(a, d, b) {
+  b || (d || "object" !== typeof a ? "object" === typeof d && (b = d, d = 0) : (b = a, a = ""));
+  var f = [], c = 0;
   if (b) {
     a = b.query || a;
-    c = b.limit || c;
-    d = b.offset || 0;
+    d = b.limit || d;
+    c = b.offset || 0;
     var g = b.context;
     var e = b.suggest;
     var h = !0;
@@ -378,13 +353,13 @@ function M(a, c, b, f, d) {
   }
   a = this.encoder.encode(a);
   b = a.length;
-  c = c || (h ? 100 : 0);
+  d = d || (h ? 100 : 0);
   if (1 === b) {
-    return e = d, (d = O(this, a[0], "")) && d.length ? H.call(this, d, c, e) : [];
+    return e = c, (c = N(this, a[0], "")) && c.length ? H.call(this, c, d, e) : [];
   }
   g = this.depth && !1 !== g;
   if (2 === b && g && !e) {
-    return e = d, (d = O(this, a[0], a[1])) && d.length ? H.call(this, d, c, e) : [];
+    return e = c, (c = N(this, a[0], a[1])) && c.length ? H.call(this, c, d, e) : [];
   }
   h = w();
   var n = 0;
@@ -396,10 +371,10 @@ function M(a, c, b, f, d) {
   for (let l, q; n < b; n++) {
     if ((q = a[n]) && !h[q]) {
       h[q] = 1;
-      l = O(this, q, m);
+      l = N(this, q, m);
       a: {
         g = l;
-        var v = f, D = e, p = k;
+        var v = f, C = e, p = k;
         let t = [];
         if (g && g.length) {
           if (g.length <= p) {
@@ -418,7 +393,7 @@ function M(a, c, b, f, d) {
             break a;
           }
         }
-        l = D ? void 0 : t;
+        l = C ? void 0 : t;
       }
       if (l) {
         f = l;
@@ -442,7 +417,7 @@ function M(a, c, b, f, d) {
           for (n = 0; n < m; n++) {
             if (x = a[n], l < x.length && (q = x[l])) {
               for (g = 0; g < q.length; g++) {
-                if (t = q[g], (h = b[t]) ? b[t]++ : (h = 0, b[t] = 1), A = e[h] || (e[h] = []), A.push(t), c && h === m - 1 && A.length - d === c) {
+                if (t = q[g], (h = b[t]) ? b[t]++ : (h = 0, b[t] = 1), A = e[h] || (e[h] = []), A.push(t), d && h === m - 1 && A.length - c === d) {
                   m = A;
                   break b;
                 }
@@ -458,10 +433,10 @@ function M(a, c, b, f, d) {
                   if (b = (f = e[h]) && f.length) {
                     for (n = 0; n < b; n++) {
                       if (m = f[n], !k[m]) {
-                        if (k[m] = 1, d) {
-                          d--;
+                        if (k[m] = 1, c) {
+                          c--;
                         } else {
-                          if (a.push(m), a.length === c) {
+                          if (a.push(m), a.length === d) {
                             break c;
                           }
                         }
@@ -471,7 +446,7 @@ function M(a, c, b, f, d) {
                 }
               }
             } else {
-              a = (e = e[0]).length > c || d ? e.slice(d, c + d) : e;
+              a = (e = e[0]).length > d || c ? e.slice(c, d + c) : e;
             }
             e = a;
           } else {
@@ -480,9 +455,9 @@ function M(a, c, b, f, d) {
               break b;
             }
             e = e[a - 1];
-            if (c || d) {
-              if (e.length > c || d) {
-                e = e.slice(d, c + d);
+            if (d || c) {
+              if (e.length > d || c) {
+                e = e.slice(c, d + c);
               }
             }
           }
@@ -490,48 +465,47 @@ function M(a, c, b, f, d) {
         m = e;
       }
     } else if (1 === f) {
-      c = H.call(null, a[0], c, d);
+      d = H.call(null, a[0], d, c);
       break a;
     }
-    c = m;
+    d = m;
   }
-  return c;
+  return d;
 };
-function O(a, c, b) {
+function N(a, d, b) {
   let f;
-  b && (f = a.bidirectional && c > b) && (f = b, b = c, c = f);
-  a = b ? (a = a.ctx.get(b)) && a.get(c) : a.map.get(c);
+  b && (f = a.bidirectional && d > b) && (f = b, b = d, d = f);
+  a = b ? (a = a.ctx.get(b)) && a.get(d) : a.map.get(d);
   return a;
 }
-;L.prototype.remove = function(a, c) {
+;K.prototype.remove = function(a, d) {
   const b = this.reg.size && (this.fastupdate ? this.reg.get(a) : this.reg.has(a));
   if (b) {
     if (this.fastupdate) {
-      for (let f = 0, d; f < b.length; f++) {
-        if (d = b[f]) {
-          if (2 > d.length) {
-            d.pop();
+      for (let f = 0, c; f < b.length; f++) {
+        if (c = b[f]) {
+          if (2 > c.length) {
+            c.pop();
           } else {
-            const g = d.indexOf(a);
-            g === b.length - 1 ? d.pop() : d.splice(g, 1);
+            const g = c.indexOf(a);
+            g === b.length - 1 ? c.pop() : c.splice(g, 1);
           }
         }
       }
     } else {
-      P(this.map, a), this.depth && P(this.ctx, a);
+      O(this.map, a), this.depth && O(this.ctx, a);
     }
-    c || this.reg.delete(a);
+    d || this.reg.delete(a);
   }
-  this.cache && this.cache.remove(a);
   return this;
 };
-function P(a, c) {
+function O(a, d) {
   let b = 0;
   if (a.constructor === Array) {
-    for (let f = 0, d, g; f < a.length; f++) {
-      if ((d = a[f]) && d.length) {
-        if (g = d.indexOf(c), 0 <= g) {
-          1 < d.length ? (d.splice(g, 1), b++) : delete a[f];
+    for (let f = 0, c, g; f < a.length; f++) {
+      if ((c = a[f]) && c.length) {
+        if (g = c.indexOf(d), 0 <= g) {
+          1 < c.length ? (c.splice(g, 1), b++) : delete a[f];
           break;
         } else {
           b++;
@@ -540,101 +514,81 @@ function P(a, c) {
     }
   } else {
     for (let f of a.entries()) {
-      const d = f[0], g = P(f[1], c);
-      g ? b += g : a.delete(d);
+      const c = f[0], g = O(f[1], d);
+      g ? b += g : a.delete(c);
     }
   }
   return b;
 }
-;function L(a, c) {
-  if (!this || this.constructor !== L) {
-    return new L(a);
+;function K(a, d) {
+  if (!this || this.constructor !== K) {
+    return new K(a);
   }
   if (a) {
     var b = "string" === typeof a ? a : a.preset;
-    b && (K[b] || console.warn("Preset not found: " + b), a = Object.assign({}, K[b], a));
+    b && (J[b] || console.warn("Preset not found: " + b), a = Object.assign({}, J[b], a));
   } else {
     a = {};
   }
   b = a.context;
-  const f = !0 === b ? {depth:1} : b || {}, d = a.encode || a.encoder || J;
-  this.encoder = d.encode ? d : "object" === typeof d ? new F(d) : {encode:d};
+  const f = !0 === b ? {depth:1} : b || {}, c = a.encode || a.encoder || I;
+  this.encoder = c.encode ? c : "object" === typeof c ? new F(c) : {encode:c};
   this.resolution = a.resolution || 9;
-  this.tokenize = b = (b = a.tokenize) && "default" !== b && b || "strict";
+  this.tokenize = b = (b = a.tokenize) && "default" !== b && "exact" !== b && b || "strict";
   this.depth = "strict" === b && f.depth || 0;
   this.bidirectional = !1 !== f.bidirectional;
   this.fastupdate = !!a.fastupdate;
   this.score = a.score || null;
   f && "strict" !== this.tokenize && console.warn('Context-Search could not applied, because it is just supported when using the tokenizer "strict".');
-  b = !1;
   this.map = new Map();
   this.ctx = new Map();
-  this.reg = c || (this.fastupdate ? new Map() : new Set());
+  this.reg = d || (this.fastupdate ? new Map() : new Set());
   this.v = f.resolution || 3;
-  this.rtl = d.rtl || a.rtl || !1;
-  this.cache = (b = a.cache || null) && new I(b);
+  this.rtl = c.rtl || a.rtl || !1;
 }
-r = L.prototype;
+r = K.prototype;
 r.clear = function() {
   this.map.clear();
   this.ctx.clear();
   this.reg.clear();
-  this.cache && this.cache.clear();
   return this;
 };
-r.append = function(a, c) {
-  return this.add(a, c, !0);
+r.append = function(a, d) {
+  return this.add(a, d, !0);
 };
 r.contain = function(a) {
   return this.reg.has(a);
 };
-r.update = function(a, c) {
+r.update = function(a, d) {
   const b = this, f = this.remove(a);
-  return f && f.then ? f.then(() => b.add(a, c)) : this.add(a, c);
+  return f && f.then ? f.then(() => b.add(a, d)) : this.add(a, d);
 };
-function Q(a) {
-  let c = 0;
+function P(a) {
+  let d = 0;
   if (a.constructor === Array) {
     for (let b = 0, f; b < a.length; b++) {
-      (f = a[b]) && (c += f.length);
+      (f = a[b]) && (d += f.length);
     }
   } else {
     for (const b of a.entries()) {
-      const f = b[0], d = Q(b[1]);
-      d ? c += d : a.delete(f);
+      const f = b[0], c = P(b[1]);
+      c ? d += c : a.delete(f);
     }
   }
-  return c;
+  return d;
 }
 r.cleanup = function() {
   if (!this.fastupdate) {
     return console.info('Cleanup the index isn\'t required when not using "fastupdate".'), this;
   }
-  Q(this.map);
-  this.depth && Q(this.ctx);
+  P(this.map);
+  this.depth && P(this.ctx);
   return this;
 };
-r.searchCache = function(a, c, b) {
-  a = ("object" === typeof a ? "" + a.query : a).toLowerCase();
-  this.cache || (this.cache = new I());
-  let f = this.cache.get(a);
-  if (!f) {
-    f = this.search(a, c, b);
-    if (f.then) {
-      const d = this;
-      f.then(function(g) {
-        d.cache.set(a, g);
-        return g;
-      });
-    }
-    this.cache.set(a, f);
-  }
-  return f;
-};
 w();
-const R = {Index:L, Charset:null, Encoder:F, Document:null, Worker:null, Resolver:null, IndexedDB:null, Language:{}}, S = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self;
-let T;
-(T = S.define) && T.amd ? T([], function() {
-  return R;
-}) : "object" === typeof S.exports ? S.exports = R : S.FlexSearch = R;
+const Q = {Index:K, Charset:null, Encoder:F, Document:null, Worker:null, Resolver:null, IndexedDB:null, Language:{}}, R = "undefined" !== typeof self ? self : "undefined" !== typeof global ? global : self;
+let S;
+(S = R.define) && S.amd ? S([], function() {
+  return Q;
+}) : "object" === typeof R.exports ? R.exports = Q : R.FlexSearch = Q;
 }(this||self));
diff --git a/dist/flexsearch.light.min.js b/dist/flexsearch.light.min.js
index b0e3aeb..262aacc 100644
--- a/dist/flexsearch.light.min.js
+++ b/dist/flexsearch.light.min.js
@@ -1,28 +1,26 @@
 /**!
- * FlexSearch.js v0.8.142 (Light)
+ * FlexSearch.js v0.8.143 (Light)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
  * https://github.com/nextapps-de/flexsearch
  */
-(function(self){'use strict';var r;function u(a,c,b){const f=typeof b,d=typeof a;if("undefined"!==f){if("undefined"!==d){if(b){if("function"===d&&f===d)return function(h){return a(b(h))};c=a.constructor;if(c===b.constructor){if(c===Array)return b.concat(a);if(c===Map){var g=new Map(b);for(var e of a)g.set(e[0],e[1]);return g}if(c===Set){e=new Set(b);for(g of a.values())e.add(g);return e}}}return a}return b}return"undefined"===d?c:a}function w(){return Object.create(null)};const y=/[^\p{L}\p{N}]+/u,z=/(\d{3})/g,B=/(\D)(\d{3})/g,C=/(\d{3})(\D)/g,E="".normalize&&/[\u0300-\u036f]/g;function F(a={}){if(!this||this.constructor!==F)return new F(...arguments);if(arguments.length)for(a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}r=F.prototype;
-r.assign=function(a){this.normalize=u(a.normalize,!0,this.normalize);let c=a.include,b=c||a.exclude||a.split,f;if(b||""===b){if("object"===typeof b&&b.constructor!==RegExp){let d="";f=!c;c||(d+="\\p{Z}");b.letter&&(d+="\\p{L}");b.number&&(d+="\\p{N}",f=!!c);b.symbol&&(d+="\\p{S}");b.punctuation&&(d+="\\p{P}");b.control&&(d+="\\p{C}");if(b=b.char)d+="object"===typeof b?b.join(""):b;try{this.split=new RegExp("["+(c?"^":"")+d+"]+","u")}catch(g){this.split=/\s+/}}else this.split=b,f=!1===b||2>"a1a".split(b).length;
-this.numeric=u(a.numeric,f)}else{try{this.split=u(this.split,y)}catch(d){this.split=/\s+/}this.numeric=u(a.numeric,u(this.numeric,!0))}this.prepare=u(a.prepare,null,this.prepare);this.finalize=u(a.finalize,null,this.finalize);b=a.filter;this.filter="function"===typeof b?b:u(b&&new Set(b),null,this.filter);this.dedupe=u(a.dedupe,!1,this.dedupe);this.matcher=u((b=a.matcher)&&new Map(b),null,this.matcher);this.mapper=u((b=a.mapper)&&new Map(b),null,this.mapper);this.stemmer=u((b=a.stemmer)&&new Map(b),
-null,this.stemmer);this.replacer=u(a.replacer,null,this.replacer);this.minlength=u(a.minlength,1,this.minlength);this.maxlength=u(a.maxlength,0,this.maxlength);this.rtl=u(a.rtl,!1,this.rtl);if(this.cache=b=u(a.cache,!0,this.cache))this.l=null,this.A="number"===typeof b?b:2E5,this.i=new Map,this.j=new Map,this.o=this.m=128;this.g="";this.s=null;this.h="";this.u=null;if(this.matcher)for(const d of this.matcher.keys())this.g+=(this.g?"|":"")+d;if(this.stemmer)for(const d of this.stemmer.keys())this.h+=
-(this.h?"|":"")+d;return this};r.addStemmer=function(a,c){this.stemmer||(this.stemmer=new Map);this.stemmer.set(a,c);this.h+=(this.h?"|":"")+a;this.u=null;this.cache&&G(this);return this};r.addFilter=function(a){"function"===typeof a?this.filter=a:(this.filter||(this.filter=new Set),this.filter.add(a));this.cache&&G(this);return this};
-r.addMapper=function(a,c){if("object"===typeof a)return this.addReplacer(a,c);if(1<a.length)return this.addMatcher(a,c);this.mapper||(this.mapper=new Map);this.mapper.set(a,c);this.cache&&G(this);return this};r.addMatcher=function(a,c){if("object"===typeof a)return this.addReplacer(a,c);if(2>a.length&&(this.dedupe||this.mapper))return this.addMapper(a,c);this.matcher||(this.matcher=new Map);this.matcher.set(a,c);this.g+=(this.g?"|":"")+a;this.s=null;this.cache&&G(this);return this};
-r.addReplacer=function(a,c){if("string"===typeof a)return this.addMatcher(a,c);this.replacer||(this.replacer=[]);this.replacer.push(a,c);this.cache&&G(this);return this};
-r.encode=function(a){if(this.cache&&a.length<=this.m)if(this.l){if(this.i.has(a))return this.i.get(a)}else this.l=setTimeout(G,50,this);this.normalize&&("function"===typeof this.normalize?a=this.normalize(a):a=E?a.normalize("NFKD").replace(E,"").toLowerCase():a.toLowerCase());this.prepare&&(a=this.prepare(a));this.numeric&&3<a.length&&(a=a.replace(B,"$1 $2").replace(C,"$1 $2").replace(z,"$1 "));const c=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let b=[],f=
-this.split||""===this.split?a.split(this.split):a;for(let g=0,e,h;g<f.length;g++)if((e=h=f[g])&&!(e.length<this.minlength))if(c)b.push(e);else if(!this.filter||("function"===typeof this.filter?this.filter(e):!this.filter.has(e))){if(this.cache&&e.length<=this.o)if(this.l){var d=this.j.get(e);if(d||""===d){d&&b.push(d);continue}}else this.l=setTimeout(G,50,this);this.stemmer&&2<e.length&&(this.u||(this.u=new RegExp("(?!^)("+this.h+")$")),d=e,e=e.replace(this.u,k=>this.stemmer.get(k)),d!==e&&this.filter&&
-e.length>=this.minlength&&("function"===typeof this.filter?!this.filter(e):this.filter.has(e))&&(e=""));if(e&&(this.mapper||this.dedupe&&1<e.length)){d="";for(let k=0,n="",m,v;k<e.length;k++)m=e.charAt(k),m===n&&this.dedupe||((v=this.mapper&&this.mapper.get(m))||""===v?v===n&&this.dedupe||!(n=v)||(d+=v):d+=n=m);e=d}this.matcher&&1<e.length&&(this.s||(this.s=new RegExp("("+this.g+")","g")),e=e.replace(this.s,k=>this.matcher.get(k)));if(e&&this.replacer)for(d=0;e&&d<this.replacer.length;d+=2)e=e.replace(this.replacer[d],
-this.replacer[d+1]);this.cache&&h.length<=this.o&&(this.j.set(h,e),this.j.size>this.A&&(this.j.clear(),this.o=this.o/1.1|0));e&&b.push(e)}this.finalize&&(b=this.finalize(b)||b);this.cache&&a.length<=this.m&&(this.i.set(a,b),this.i.size>this.A&&(this.i.clear(),this.m=this.m/1.1|0));return b};function G(a){a.l=null;a.i.clear();a.j.clear()};function H(a,c,b){if(!a.length)return a;if(1===a.length)return a=a[0],a=b||a.length>c?c?a.slice(b,b+c):a.slice(b):a;let f=[];for(let d=0,g,e;d<a.length;d++)if((g=a[d])&&(e=g.length)){if(b){if(b>=e){b-=e;continue}b<e&&(g=c?g.slice(b,b+c):g.slice(b),e=g.length,b=0)}e>c&&(g=g.slice(0,c),e=c);if(!f.length&&e>=c)return g;f.push(g);c-=e;if(!c)break}return f=1<f.length?[].concat.apply([],f):f[0]};w();function I(a){this.limit=a&&!0!==a?a:1E3;this.cache=new Map;this.g=""}I.prototype.set=function(a,c){this.cache.set(this.g=a,c);this.cache.size>this.limit&&this.cache.delete(this.cache.keys().next().value)};I.prototype.get=function(a){const c=this.cache.get(a);c&&this.g!==a&&(this.cache.delete(a),this.cache.set(this.g=a,c));return c};I.prototype.remove=function(a){for(const c of this.cache){const b=c[0];c[1].includes(a)&&this.cache.delete(b)}};
-I.prototype.clear=function(){this.cache.clear();this.g=""};const J={normalize:function(a){return a.toLowerCase()}};const K={memory:{resolution:1},performance:{resolution:3,fastupdate:!0,context:{depth:1,resolution:1}},match:{tokenize:"forward"},score:{resolution:9,context:{depth:2,resolution:3}}};L.prototype.add=function(a,c,b,f){if(c&&(a||0===a)){if(!f&&!b&&this.reg.has(a))return this.update(a,c);c=this.encoder.encode(c);if(f=c.length){const n=w(),m=w(),v=this.depth,D=this.resolution;for(let p=0;p<f;p++){let l=c[this.rtl?f-1-p:p];var d=l.length;if(d&&(v||!m[l])){var g=this.score?this.score(c,l,p,null,0):M(D,f,p),e="";switch(this.tokenize){case "full":if(2<d){for(let q=0,t;q<d;q++)for(g=d;g>q;g--){e=l.substring(q,g);t=this.rtl?d-1-q:q;var h=this.score?this.score(c,l,p,e,t):M(D,f,p,d,t);N(this,
-m,e,h,a,b)}break}case "reverse":if(1<d){for(h=d-1;0<h;h--){e=l[this.rtl?d-1-h:h]+e;var k=this.score?this.score(c,l,p,e,h):M(D,f,p,d,h);N(this,m,e,k,a,b)}e=""}case "forward":if(1<d){for(h=0;h<d;h++)e+=l[this.rtl?d-1-h:h],N(this,m,e,g,a,b);break}default:if(N(this,m,l,g,a,b),v&&1<f&&p<f-1)for(d=w(),e=this.v,g=l,h=Math.min(v+1,this.rtl?p+1:f-p),d[g]=1,k=1;k<h;k++)if((l=c[this.rtl?f-1-p-k:p+k])&&!d[l]){d[l]=1;const q=this.score?this.score(c,g,p,l,k-1):M(e+(f/2>e?0:1),f,p,h-1,k-1),t=this.bidirectional&&
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+r.assign=function(a){this.normalize=u(a.normalize,!0,this.normalize);let d=a.include,b=d||a.exclude||a.split,f;if(b||""===b){if("object"===typeof b&&b.constructor!==RegExp){let c="";f=!d;d||(c+="\\p{Z}");b.letter&&(c+="\\p{L}");b.number&&(c+="\\p{N}",f=!!d);b.symbol&&(c+="\\p{S}");b.punctuation&&(c+="\\p{P}");b.control&&(c+="\\p{C}");if(b=b.char)c+="object"===typeof b?b.join(""):b;try{this.split=new RegExp("["+(d?"^":"")+c+"]+","u")}catch(g){this.split=/\s+/}}else this.split=b,f=!1===b||2>"a1a".split(b).length;
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+(this.h?"|":"")+c;return this};r.addStemmer=function(a,d){this.stemmer||(this.stemmer=new Map);this.stemmer.set(a,d);this.h+=(this.h?"|":"")+a;this.u=null;this.cache&&G(this);return this};r.addFilter=function(a){"function"===typeof a?this.filter=a:(this.filter||(this.filter=new Set),this.filter.add(a));this.cache&&G(this);return this};
+r.addMapper=function(a,d){if("object"===typeof a)return this.addReplacer(a,d);if(1<a.length)return this.addMatcher(a,d);this.mapper||(this.mapper=new Map);this.mapper.set(a,d);this.cache&&G(this);return this};r.addMatcher=function(a,d){if("object"===typeof a)return this.addReplacer(a,d);if(2>a.length&&(this.dedupe||this.mapper))return this.addMapper(a,d);this.matcher||(this.matcher=new Map);this.matcher.set(a,d);this.g+=(this.g?"|":"")+a;this.s=null;this.cache&&G(this);return this};
+r.addReplacer=function(a,d){if("string"===typeof a)return this.addMatcher(a,d);this.replacer||(this.replacer=[]);this.replacer.push(a,d);this.cache&&G(this);return this};
+r.encode=function(a){if(this.cache&&a.length<=this.m)if(this.l){if(this.i.has(a))return this.i.get(a)}else this.l=setTimeout(G,50,this);this.normalize&&("function"===typeof this.normalize?a=this.normalize(a):a=E?a.normalize("NFKD").replace(E,"").toLowerCase():a.toLowerCase());this.prepare&&(a=this.prepare(a));this.numeric&&3<a.length&&(a=a.replace(B,"$1 $2").replace(D,"$1 $2").replace(z,"$1 "));const d=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let b=[],f=
+this.split||""===this.split?a.split(this.split):a;for(let g=0,e,h;g<f.length;g++)if((e=h=f[g])&&!(e.length<this.minlength))if(d)b.push(e);else if(!this.filter||("function"===typeof this.filter?this.filter(e):!this.filter.has(e))){if(this.cache&&e.length<=this.o)if(this.l){var c=this.j.get(e);if(c||""===c){c&&b.push(c);continue}}else this.l=setTimeout(G,50,this);this.stemmer&&2<e.length&&(this.u||(this.u=new RegExp("(?!^)("+this.h+")$")),c=e,e=e.replace(this.u,k=>this.stemmer.get(k)),c!==e&&this.filter&&
+e.length>=this.minlength&&("function"===typeof this.filter?!this.filter(e):this.filter.has(e))&&(e=""));if(e&&(this.mapper||this.dedupe&&1<e.length)){c="";for(let k=0,n="",m,v;k<e.length;k++)m=e.charAt(k),m===n&&this.dedupe||((v=this.mapper&&this.mapper.get(m))||""===v?v===n&&this.dedupe||!(n=v)||(c+=v):c+=n=m);e=c}this.matcher&&1<e.length&&(this.s||(this.s=new RegExp("("+this.g+")","g")),e=e.replace(this.s,k=>this.matcher.get(k)));if(e&&this.replacer)for(c=0;e&&c<this.replacer.length;c+=2)e=e.replace(this.replacer[c],
+this.replacer[c+1]);this.cache&&h.length<=this.o&&(this.j.set(h,e),this.j.size>this.A&&(this.j.clear(),this.o=this.o/1.1|0));e&&b.push(e)}this.finalize&&(b=this.finalize(b)||b);this.cache&&a.length<=this.m&&(this.i.set(a,b),this.i.size>this.A&&(this.i.clear(),this.m=this.m/1.1|0));return b};function G(a){a.l=null;a.i.clear();a.j.clear()};function H(a,d,b){if(!a.length)return a;if(1===a.length)return a=a[0],a=b||a.length>d?d?a.slice(b,b+d):a.slice(b):a;let f=[];for(let c=0,g,e;c<a.length;c++)if((g=a[c])&&(e=g.length)){if(b){if(b>=e){b-=e;continue}b<e&&(g=d?g.slice(b,b+d):g.slice(b),e=g.length,b=0)}e>d&&(g=g.slice(0,d),e=d);if(!f.length&&e>=d)return g;f.push(g);d-=e;if(!d)break}return f=1<f.length?[].concat.apply([],f):f[0]};w();const I={normalize:!0};const J={memory:{resolution:1},performance:{resolution:3,fastupdate:!0,context:{depth:1,resolution:1}},match:{tokenize:"forward"},score:{resolution:9,context:{depth:2,resolution:3}}};K.prototype.add=function(a,d,b,f){if(d&&(a||0===a)){if(!f&&!b&&this.reg.has(a))return this.update(a,d);d=this.encoder.encode(d);if(f=d.length){const n=w(),m=w(),v=this.depth,C=this.resolution;for(let p=0;p<f;p++){let l=d[this.rtl?f-1-p:p];var c=l.length;if(c&&(v||!m[l])){var g=this.score?this.score(d,l,p,null,0):L(C,f,p),e="";switch(this.tokenize){case "full":if(2<c){for(let q=0,t;q<c;q++)for(g=c;g>q;g--){e=l.substring(q,g);t=this.rtl?c-1-q:q;var h=this.score?this.score(d,l,p,e,t):L(C,f,p,c,t);M(this,
+m,e,h,a,b)}break}case "bidirectional":case "reverse":if(1<c){for(h=c-1;0<h;h--){e=l[this.rtl?c-1-h:h]+e;var k=this.score?this.score(d,l,p,e,h):L(C,f,p,c,h);M(this,m,e,k,a,b)}e=""}case "forward":if(1<c){for(h=0;h<c;h++)e+=l[this.rtl?c-1-h:h],M(this,m,e,g,a,b);break}default:if(M(this,m,l,g,a,b),v&&1<f&&p<f-1)for(c=w(),e=this.v,g=l,h=Math.min(v+1,this.rtl?p+1:f-p),c[g]=1,k=1;k<h;k++)if((l=d[this.rtl?f-1-p-k:p+k])&&!c[l]){c[l]=1;const q=this.score?this.score(d,g,p,l,k-1):L(e+(f/2>e?0:1),f,p,h-1,k-1),
+t=this.bidirectional&&l>g;M(this,n,t?g:l,q,a,b,t?l:g)}}}}this.fastupdate||this.reg.add(a)}}return this};function M(a,d,b,f,c,g,e){let h=e?a.ctx:a.map,k;if(!d[b]||e&&!(k=d[b])[e])e?(d=k||(d[b]=w()),d[e]=1,(k=h.get(e))?h=k:h.set(e,h=new Map)):d[b]=1,(k=h.get(b))?h=k:h.set(b,h=[]),h=h[f]||(h[f]=[]),g&&h.includes(c)||(h.push(c),a.fastupdate&&((d=a.reg.get(c))?d.push(h):a.reg.set(c,[h])))}function L(a,d,b,f,c){return b&&1<a?d+(f||0)<=a?b+(c||0):(a-1)/(d+(f||0))*(b+(c||0))+1|0:0};K.prototype.search=function(a,d,b){b||(d||"object"!==typeof a?"object"===typeof d&&(b=d,d=0):(b=a,a=""));var f=[],c=0;if(b){a=b.query||a;d=b.limit||d;c=b.offset||0;var g=b.context;var e=b.suggest;var h=!0;var k=b.resolution}else h=!0;a=this.encoder.encode(a);b=a.length;d=d||(h?100:0);if(1===b)return e=c,(c=N(this,a[0],""))&&c.length?H.call(this,c,d,e):[];g=this.depth&&!1!==g;if(2===b&&g&&!e)return e=c,(c=N(this,a[0],a[1]))&&c.length?H.call(this,c,d,e):[];h=w();var n=0;if(1<b&&g){var m=a[0];n=1}k||
+0===k||(k=m?this.v:this.resolution);for(let l,q;n<b;n++){if((q=a[n])&&!h[q]){h[q]=1;l=N(this,q,m);a:{g=l;var v=f,C=e,p=k;let t=[];if(g&&g.length){if(g.length<=p){v.push(g);l=void 0;break a}for(let x=0,A;x<p;x++)if(A=g[x])t[x]=A;if(t.length){v.push(t);l=void 0;break a}}l=C?void 0:t}if(l){f=l;break}m&&(e&&l&&f.length||(m=q))}e&&m&&n===b-1&&!f.length&&(k=this.resolution,m="",n=-1,h=w())}a:{a=f;f=a.length;m=a;if(1<f)b:{f=e;m=a.length;e=[];b=w();for(let l=0,q,t,x,A;l<k;l++)for(n=0;n<m;n++)if(x=a[n],l<
+x.length&&(q=x[l]))for(g=0;g<q.length;g++)if(t=q[g],(h=b[t])?b[t]++:(h=0,b[t]=1),A=e[h]||(e[h]=[]),A.push(t),d&&h===m-1&&A.length-c===d){m=A;break b}if(a=e.length)if(f){if(1<e.length)c:for(a=[],k=w(),f=e.length,h=f-1;0<=h;h--){if(b=(f=e[h])&&f.length)for(n=0;n<b;n++)if(m=f[n],!k[m])if(k[m]=1,c)c--;else if(a.push(m),a.length===d)break c}else a=(e=e[0]).length>d||c?e.slice(c,d+c):e;e=a}else{if(a<m){m=[];break b}e=e[a-1];if(d||c)if(e.length>d||c)e=e.slice(c,d+c)}m=e}else if(1===f){d=H.call(null,a[0],
+d,c);break a}d=m}return d};function N(a,d,b){let f;b&&(f=a.bidirectional&&d>b)&&(f=b,b=d,d=f);a=b?(a=a.ctx.get(b))&&a.get(d):a.map.get(d);return a};K.prototype.remove=function(a,d){const b=this.reg.size&&(this.fastupdate?this.reg.get(a):this.reg.has(a));if(b){if(this.fastupdate)for(let f=0,c;f<b.length;f++){if(c=b[f])if(2>c.length)c.pop();else{const g=c.indexOf(a);g===b.length-1?c.pop():c.splice(g,1)}}else O(this.map,a),this.depth&&O(this.ctx,a);d||this.reg.delete(a)}return this};
+function O(a,d){let b=0;if(a.constructor===Array)for(let f=0,c,g;f<a.length;f++){if((c=a[f])&&c.length)if(g=c.indexOf(d),0<=g){1<c.length?(c.splice(g,1),b++):delete a[f];break}else b++}else for(let f of a.entries()){const c=f[0],g=O(f[1],d);g?b+=g:a.delete(c)}return b};function K(a,d){if(!this||this.constructor!==K)return new K(a);if(a){var b="string"===typeof a?a:a.preset;b&&(a=Object.assign({},J[b],a))}else a={};b=a.context;const f=!0===b?{depth:1}:b||{},c=a.encode||a.encoder||I;this.encoder=c.encode?c:"object"===typeof c?new F(c):{encode:c};this.resolution=a.resolution||9;this.tokenize=b=(b=a.tokenize)&&"default"!==b&&"exact"!==b&&b||"strict";this.depth="strict"===b&&f.depth||0;this.bidirectional=!1!==f.bidirectional;this.fastupdate=!!a.fastupdate;this.score=
+a.score||null;this.map=new Map;this.ctx=new Map;this.reg=d||(this.fastupdate?new Map:new Set);this.v=f.resolution||3;this.rtl=c.rtl||a.rtl||!1}r=K.prototype;r.clear=function(){this.map.clear();this.ctx.clear();this.reg.clear();return this};r.append=function(a,d){return this.add(a,d,!0)};r.contain=function(a){return this.reg.has(a)};r.update=function(a,d){const b=this,f=this.remove(a);return f&&f.then?f.then(()=>b.add(a,d)):this.add(a,d)};
+function P(a){let d=0;if(a.constructor===Array)for(let b=0,f;b<a.length;b++)(f=a[b])&&(d+=f.length);else for(const b of a.entries()){const f=b[0],c=P(b[1]);c?d+=c:a.delete(f)}return d}r.cleanup=function(){if(!this.fastupdate)return this;P(this.map);this.depth&&P(this.ctx);return this};w();const Q={Index:K,Charset:null,Encoder:F,Document:null,Worker:null,Resolver:null,IndexedDB:null,Language:{}},R="undefined"!==typeof self?self:"undefined"!==typeof global?global:self;let S;(S=R.define)&&S.amd?S([],function(){return Q}):"object"===typeof R.exports?R.exports=Q:R.FlexSearch=Q;}(this||self));
diff --git a/dist/flexsearch.light.module.debug.js b/dist/flexsearch.light.module.debug.js
index 3e5c395..064cfa9 100644
--- a/dist/flexsearch.light.module.debug.js
+++ b/dist/flexsearch.light.module.debug.js
@@ -1,34 +1,34 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle/Debug)
+ * FlexSearch.js v0.8.143 (Bundle/Debug)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
  * https://github.com/nextapps-de/flexsearch
  */
 var r;
-function u(a, c, b) {
-  const f = typeof b, d = typeof a;
+function u(a, d, b) {
+  const f = typeof b, c = typeof a;
   if ("undefined" !== f) {
-    if ("undefined" !== d) {
+    if ("undefined" !== c) {
       if (b) {
-        if ("function" === d && f === d) {
+        if ("function" === c && f === c) {
           return function(h) {
             return a(b(h));
           };
         }
-        c = a.constructor;
-        if (c === b.constructor) {
-          if (c === Array) {
+        d = a.constructor;
+        if (d === b.constructor) {
+          if (d === Array) {
             return b.concat(a);
           }
-          if (c === Map) {
+          if (d === Map) {
             var g = new Map(b);
             for (var e of a) {
               g.set(e[0], e[1]);
             }
             return g;
           }
-          if (c === Set) {
+          if (d === Set) {
             e = new Set(b);
             for (g of a.values()) {
               e.add(g);
@@ -41,12 +41,12 @@ function u(a, c, b) {
     }
     return b;
   }
-  return "undefined" === d ? c : a;
+  return "undefined" === c ? d : a;
 }
 function w() {
   return Object.create(null);
 }
-;const y = /[^\p{L}\p{N}]+/u, z = /(\d{3})/g, B = /(\D)(\d{3})/g, C = /(\d{3})(\D)/g, E = "".normalize && /[\u0300-\u036f]/g;
+;const y = /[^\p{L}\p{N}]+/u, z = /(\d{3})/g, B = /(\D)(\d{3})/g, D = /(\d{3})(\D)/g, E = /[\u0300-\u036f]/g;
 function F(a = {}) {
   if (!this || this.constructor !== F) {
     return new F(...arguments);
@@ -62,22 +62,22 @@ function F(a = {}) {
 r = F.prototype;
 r.assign = function(a) {
   this.normalize = u(a.normalize, !0, this.normalize);
-  let c = a.include, b = c || a.exclude || a.split, f;
+  let d = a.include, b = d || a.exclude || a.split, f;
   if (b || "" === b) {
     if ("object" === typeof b && b.constructor !== RegExp) {
-      let d = "";
-      f = !c;
-      c || (d += "\\p{Z}");
-      b.letter && (d += "\\p{L}");
-      b.number && (d += "\\p{N}", f = !!c);
-      b.symbol && (d += "\\p{S}");
-      b.punctuation && (d += "\\p{P}");
-      b.control && (d += "\\p{C}");
+      let c = "";
+      f = !d;
+      d || (c += "\\p{Z}");
+      b.letter && (c += "\\p{L}");
+      b.number && (c += "\\p{N}", f = !!d);
+      b.symbol && (c += "\\p{S}");
+      b.punctuation && (c += "\\p{P}");
+      b.control && (c += "\\p{C}");
       if (b = b.char) {
-        d += "object" === typeof b ? b.join("") : b;
+        c += "object" === typeof b ? b.join("") : b;
       }
       try {
-        this.split = new RegExp("[" + (c ? "^" : "") + d + "]+", "u");
+        this.split = new RegExp("[" + (d ? "^" : "") + c + "]+", "u");
       } catch (g) {
         console.error("Your split configuration:", b, "is not supported on this platform. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
       }
@@ -88,7 +88,7 @@ r.assign = function(a) {
   } else {
     try {
       this.split = u(this.split, y);
-    } catch (d) {
+    } catch (c) {
       console.warn("This platform does not support unicode regex. It falls back to using simple whitespace splitter instead: /s+/."), this.split = /\s+/;
     }
     this.numeric = u(a.numeric, u(this.numeric, !0));
@@ -113,20 +113,20 @@ r.assign = function(a) {
   this.h = "";
   this.u = null;
   if (this.matcher) {
-    for (const d of this.matcher.keys()) {
-      this.g += (this.g ? "|" : "") + d;
+    for (const c of this.matcher.keys()) {
+      this.g += (this.g ? "|" : "") + c;
     }
   }
   if (this.stemmer) {
-    for (const d of this.stemmer.keys()) {
-      this.h += (this.h ? "|" : "") + d;
+    for (const c of this.stemmer.keys()) {
+      this.h += (this.h ? "|" : "") + c;
     }
   }
   return this;
 };
-r.addStemmer = function(a, c) {
+r.addStemmer = function(a, d) {
   this.stemmer || (this.stemmer = new Map());
-  this.stemmer.set(a, c);
+  this.stemmer.set(a, d);
   this.h += (this.h ? "|" : "") + a;
   this.u = null;
   this.cache && G(this);
@@ -137,38 +137,38 @@ r.addFilter = function(a) {
   this.cache && G(this);
   return this;
 };
-r.addMapper = function(a, c) {
+r.addMapper = function(a, d) {
   if ("object" === typeof a) {
-    return this.addReplacer(a, c);
+    return this.addReplacer(a, d);
   }
   if (1 < a.length) {
-    return this.addMatcher(a, c);
+    return this.addMatcher(a, d);
   }
   this.mapper || (this.mapper = new Map());
-  this.mapper.set(a, c);
+  this.mapper.set(a, d);
   this.cache && G(this);
   return this;
 };
-r.addMatcher = function(a, c) {
+r.addMatcher = function(a, d) {
   if ("object" === typeof a) {
-    return this.addReplacer(a, c);
+    return this.addReplacer(a, d);
   }
   if (2 > a.length && (this.dedupe || this.mapper)) {
-    return this.addMapper(a, c);
+    return this.addMapper(a, d);
   }
   this.matcher || (this.matcher = new Map());
-  this.matcher.set(a, c);
+  this.matcher.set(a, d);
   this.g += (this.g ? "|" : "") + a;
   this.s = null;
   this.cache && G(this);
   return this;
 };
-r.addReplacer = function(a, c) {
+r.addReplacer = function(a, d) {
   if ("string" === typeof a) {
-    return this.addMatcher(a, c);
+    return this.addMatcher(a, d);
   }
   this.replacer || (this.replacer = []);
-  this.replacer.push(a, c);
+  this.replacer.push(a, d);
   this.cache && G(this);
   return this;
 };
@@ -184,38 +184,38 @@ r.encode = function(a) {
   }
   this.normalize && ("function" === typeof this.normalize ? a = this.normalize(a) : a = E ? a.normalize("NFKD").replace(E, "").toLowerCase() : a.toLowerCase());
   this.prepare && (a = this.prepare(a));
-  this.numeric && 3 < a.length && (a = a.replace(B, "$1 $2").replace(C, "$1 $2").replace(z, "$1 "));
-  const c = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
+  this.numeric && 3 < a.length && (a = a.replace(B, "$1 $2").replace(D, "$1 $2").replace(z, "$1 "));
+  const d = !(this.dedupe || this.mapper || this.filter || this.matcher || this.stemmer || this.replacer);
   let b = [], f = this.split || "" === this.split ? a.split(this.split) : a;
   for (let g = 0, e, h; g < f.length; g++) {
     if ((e = h = f[g]) && !(e.length < this.minlength)) {
-      if (c) {
+      if (d) {
         b.push(e);
       } else {
         if (!this.filter || ("function" === typeof this.filter ? this.filter(e) : !this.filter.has(e))) {
           if (this.cache && e.length <= this.o) {
             if (this.l) {
-              var d = this.j.get(e);
-              if (d || "" === d) {
-                d && b.push(d);
+              var c = this.j.get(e);
+              if (c || "" === c) {
+                c && b.push(c);
                 continue;
               }
             } else {
               this.l = setTimeout(G, 50, this);
             }
           }
-          this.stemmer && 2 < e.length && (this.u || (this.u = new RegExp("(?!^)(" + this.h + ")$")), d = e, e = e.replace(this.u, k => this.stemmer.get(k)), d !== e && this.filter && e.length >= this.minlength && ("function" === typeof this.filter ? !this.filter(e) : this.filter.has(e)) && (e = ""));
+          this.stemmer && 2 < e.length && (this.u || (this.u = new RegExp("(?!^)(" + this.h + ")$")), c = e, e = e.replace(this.u, k => this.stemmer.get(k)), c !== e && this.filter && e.length >= this.minlength && ("function" === typeof this.filter ? !this.filter(e) : this.filter.has(e)) && (e = ""));
           if (e && (this.mapper || this.dedupe && 1 < e.length)) {
-            d = "";
+            c = "";
             for (let k = 0, n = "", m, v; k < e.length; k++) {
-              m = e.charAt(k), m === n && this.dedupe || ((v = this.mapper && this.mapper.get(m)) || "" === v ? v === n && this.dedupe || !(n = v) || (d += v) : d += n = m);
+              m = e.charAt(k), m === n && this.dedupe || ((v = this.mapper && this.mapper.get(m)) || "" === v ? v === n && this.dedupe || !(n = v) || (c += v) : c += n = m);
             }
-            e = d;
+            e = c;
           }
           this.matcher && 1 < e.length && (this.s || (this.s = new RegExp("(" + this.g + ")", "g")), e = e.replace(this.s, k => this.matcher.get(k)));
           if (e && this.replacer) {
-            for (d = 0; e && d < this.replacer.length; d += 2) {
-              e = e.replace(this.replacer[d], this.replacer[d + 1]);
+            for (c = 0; e && c < this.replacer.length; c += 2) {
+              e = e.replace(this.replacer[c], this.replacer[c + 1]);
             }
           }
           this.cache && h.length <= this.o && (this.j.set(h, e), this.j.size > this.A && (this.j.clear(), this.o = this.o / 1.1 | 0));
@@ -233,30 +233,30 @@ function G(a) {
   a.i.clear();
   a.j.clear();
 }
-;function H(a, c, b) {
+;function H(a, d, b) {
   if (!a.length) {
     return a;
   }
   if (1 === a.length) {
-    return a = a[0], a = b || a.length > c ? c ? a.slice(b, b + c) : a.slice(b) : a;
+    return a = a[0], a = b || a.length > d ? d ? a.slice(b, b + d) : a.slice(b) : a;
   }
   let f = [];
-  for (let d = 0, g, e; d < a.length; d++) {
-    if ((g = a[d]) && (e = g.length)) {
+  for (let c = 0, g, e; c < a.length; c++) {
+    if ((g = a[c]) && (e = g.length)) {
       if (b) {
         if (b >= e) {
           b -= e;
           continue;
         }
-        b < e && (g = c ? g.slice(b, b + c) : g.slice(b), e = g.length, b = 0);
+        b < e && (g = d ? g.slice(b, b + d) : g.slice(b), e = g.length, b = 0);
       }
-      e > c && (g = g.slice(0, c), e = c);
-      if (!f.length && e >= c) {
+      e > d && (g = g.slice(0, d), e = d);
+      if (!f.length && e >= d) {
         return g;
       }
       f.push(g);
-      c -= e;
-      if (!c) {
+      d -= e;
+      if (!d) {
         break;
       }
     }
@@ -264,83 +264,58 @@ function G(a) {
   return f = 1 < f.length ? [].concat.apply([], f) : f[0];
 }
 ;w();
-function I(a) {
-  this.limit = a && !0 !== a ? a : 1000;
-  this.cache = new Map();
-  this.g = "";
-}
-I.prototype.set = function(a, c) {
-  this.cache.set(this.g = a, c);
-  this.cache.size > this.limit && this.cache.delete(this.cache.keys().next().value);
-};
-I.prototype.get = function(a) {
-  const c = this.cache.get(a);
-  c && this.g !== a && (this.cache.delete(a), this.cache.set(this.g = a, c));
-  return c;
-};
-I.prototype.remove = function(a) {
-  for (const c of this.cache) {
-    const b = c[0];
-    c[1].includes(a) && this.cache.delete(b);
-  }
-};
-I.prototype.clear = function() {
-  this.cache.clear();
-  this.g = "";
-};
-const J = {normalize:function(a) {
-  return a.toLowerCase();
-}};
-const K = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
-L.prototype.add = function(a, c, b, f) {
-  if (c && (a || 0 === a)) {
+const I = {normalize:!0};
+const J = {memory:{resolution:1}, performance:{resolution:3, fastupdate:!0, context:{depth:1, resolution:1}}, match:{tokenize:"forward"}, score:{resolution:9, context:{depth:2, resolution:3}}};
+K.prototype.add = function(a, d, b, f) {
+  if (d && (a || 0 === a)) {
     if (!f && !b && this.reg.has(a)) {
-      return this.update(a, c);
+      return this.update(a, d);
     }
-    c = this.encoder.encode(c);
-    if (f = c.length) {
-      const n = w(), m = w(), v = this.depth, D = this.resolution;
+    d = this.encoder.encode(d);
+    if (f = d.length) {
+      const n = w(), m = w(), v = this.depth, C = this.resolution;
       for (let p = 0; p < f; p++) {
-        let l = c[this.rtl ? f - 1 - p : p];
-        var d = l.length;
-        if (d && (v || !m[l])) {
-          var g = this.score ? this.score(c, l, p, null, 0) : M(D, f, p), e = "";
+        let l = d[this.rtl ? f - 1 - p : p];
+        var c = l.length;
+        if (c && (v || !m[l])) {
+          var g = this.score ? this.score(d, l, p, null, 0) : L(C, f, p), e = "";
           switch(this.tokenize) {
             case "full":
-              if (2 < d) {
-                for (let q = 0, t; q < d; q++) {
-                  for (g = d; g > q; g--) {
+              if (2 < c) {
+                for (let q = 0, t; q < c; q++) {
+                  for (g = c; g > q; g--) {
                     e = l.substring(q, g);
-                    t = this.rtl ? d - 1 - q : q;
-                    var h = this.score ? this.score(c, l, p, e, t) : M(D, f, p, d, t);
-                    N(this, m, e, h, a, b);
+                    t = this.rtl ? c - 1 - q : q;
+                    var h = this.score ? this.score(d, l, p, e, t) : L(C, f, p, c, t);
+                    M(this, m, e, h, a, b);
                   }
                 }
                 break;
               }
+            case "bidirectional":
             case "reverse":
-              if (1 < d) {
-                for (h = d - 1; 0 < h; h--) {
-                  e = l[this.rtl ? d - 1 - h : h] + e;
-                  var k = this.score ? this.score(c, l, p, e, h) : M(D, f, p, d, h);
-                  N(this, m, e, k, a, b);
+              if (1 < c) {
+                for (h = c - 1; 0 < h; h--) {
+                  e = l[this.rtl ? c - 1 - h : h] + e;
+                  var k = this.score ? this.score(d, l, p, e, h) : L(C, f, p, c, h);
+                  M(this, m, e, k, a, b);
                 }
                 e = "";
               }
             case "forward":
-              if (1 < d) {
-                for (h = 0; h < d; h++) {
-                  e += l[this.rtl ? d - 1 - h : h], N(this, m, e, g, a, b);
+              if (1 < c) {
+                for (h = 0; h < c; h++) {
+                  e += l[this.rtl ? c - 1 - h : h], M(this, m, e, g, a, b);
                 }
                 break;
               }
             default:
-              if (N(this, m, l, g, a, b), v && 1 < f && p < f - 1) {
-                for (d = w(), e = this.v, g = l, h = Math.min(v + 1, this.rtl ? p + 1 : f - p), d[g] = 1, k = 1; k < h; k++) {
-                  if ((l = c[this.rtl ? f - 1 - p - k : p + k]) && !d[l]) {
-                    d[l] = 1;
-                    const q = this.score ? this.score(c, g, p, l, k - 1) : M(e + (f / 2 > e ? 0 : 1), f, p, h - 1, k - 1), t = this.bidirectional && l > g;
-                    N(this, n, t ? g : l, q, a, b, t ? l : g);
+              if (M(this, m, l, g, a, b), v && 1 < f && p < f - 1) {
+                for (c = w(), e = this.v, g = l, h = Math.min(v + 1, this.rtl ? p + 1 : f - p), c[g] = 1, k = 1; k < h; k++) {
+                  if ((l = d[this.rtl ? f - 1 - p - k : p + k]) && !c[l]) {
+                    c[l] = 1;
+                    const q = this.score ? this.score(d, g, p, l, k - 1) : L(e + (f / 2 > e ? 0 : 1), f, p, h - 1, k - 1), t = this.bidirectional && l > g;
+                    M(this, n, t ? g : l, q, a, b, t ? l : g);
                   }
                 }
               }
@@ -352,22 +327,22 @@ L.prototype.add = function(a, c, b, f) {
   }
   return this;
 };
-function N(a, c, b, f, d, g, e) {
+function M(a, d, b, f, c, g, e) {
   let h = e ? a.ctx : a.map, k;
-  if (!c[b] || e && !(k = c[b])[e]) {
-    e ? (c = k || (c[b] = w()), c[e] = 1, (k = h.get(e)) ? h = k : h.set(e, h = new Map())) : c[b] = 1, (k = h.get(b)) ? h = k : h.set(b, h = []), h = h[f] || (h[f] = []), g && h.includes(d) || (h.push(d), a.fastupdate && ((c = a.reg.get(d)) ? c.push(h) : a.reg.set(d, [h])));
+  if (!d[b] || e && !(k = d[b])[e]) {
+    e ? (d = k || (d[b] = w()), d[e] = 1, (k = h.get(e)) ? h = k : h.set(e, h = new Map())) : d[b] = 1, (k = h.get(b)) ? h = k : h.set(b, h = []), h = h[f] || (h[f] = []), g && h.includes(c) || (h.push(c), a.fastupdate && ((d = a.reg.get(c)) ? d.push(h) : a.reg.set(c, [h])));
   }
 }
-function M(a, c, b, f, d) {
-  return b && 1 < a ? c + (f || 0) <= a ? b + (d || 0) : (a - 1) / (c + (f || 0)) * (b + (d || 0)) + 1 | 0 : 0;
+function L(a, d, b, f, c) {
+  return b && 1 < a ? d + (f || 0) <= a ? b + (c || 0) : (a - 1) / (d + (f || 0)) * (b + (c || 0)) + 1 | 0 : 0;
 }
-;L.prototype.search = function(a, c, b) {
-  b || (c || "object" !== typeof a ? "object" === typeof c && (b = c, c = 0) : (b = a, a = ""));
-  var f = [], d = 0;
+;K.prototype.search = function(a, d, b) {
+  b || (d || "object" !== typeof a ? "object" === typeof d && (b = d, d = 0) : (b = a, a = ""));
+  var f = [], c = 0;
   if (b) {
     a = b.query || a;
-    c = b.limit || c;
-    d = b.offset || 0;
+    d = b.limit || d;
+    c = b.offset || 0;
     var g = b.context;
     var e = b.suggest;
     var h = !0;
@@ -377,13 +352,13 @@ function M(a, c, b, f, d) {
   }
   a = this.encoder.encode(a);
   b = a.length;
-  c = c || (h ? 100 : 0);
+  d = d || (h ? 100 : 0);
   if (1 === b) {
-    return e = d, (d = O(this, a[0], "")) && d.length ? H.call(this, d, c, e) : [];
+    return e = c, (c = N(this, a[0], "")) && c.length ? H.call(this, c, d, e) : [];
   }
   g = this.depth && !1 !== g;
   if (2 === b && g && !e) {
-    return e = d, (d = O(this, a[0], a[1])) && d.length ? H.call(this, d, c, e) : [];
+    return e = c, (c = N(this, a[0], a[1])) && c.length ? H.call(this, c, d, e) : [];
   }
   h = w();
   var n = 0;
@@ -395,10 +370,10 @@ function M(a, c, b, f, d) {
   for (let l, q; n < b; n++) {
     if ((q = a[n]) && !h[q]) {
       h[q] = 1;
-      l = O(this, q, m);
+      l = N(this, q, m);
       a: {
         g = l;
-        var v = f, D = e, p = k;
+        var v = f, C = e, p = k;
         let t = [];
         if (g && g.length) {
           if (g.length <= p) {
@@ -417,7 +392,7 @@ function M(a, c, b, f, d) {
             break a;
           }
         }
-        l = D ? void 0 : t;
+        l = C ? void 0 : t;
       }
       if (l) {
         f = l;
@@ -441,7 +416,7 @@ function M(a, c, b, f, d) {
           for (n = 0; n < m; n++) {
             if (x = a[n], l < x.length && (q = x[l])) {
               for (g = 0; g < q.length; g++) {
-                if (t = q[g], (h = b[t]) ? b[t]++ : (h = 0, b[t] = 1), A = e[h] || (e[h] = []), A.push(t), c && h === m - 1 && A.length - d === c) {
+                if (t = q[g], (h = b[t]) ? b[t]++ : (h = 0, b[t] = 1), A = e[h] || (e[h] = []), A.push(t), d && h === m - 1 && A.length - c === d) {
                   m = A;
                   break b;
                 }
@@ -457,10 +432,10 @@ function M(a, c, b, f, d) {
                   if (b = (f = e[h]) && f.length) {
                     for (n = 0; n < b; n++) {
                       if (m = f[n], !k[m]) {
-                        if (k[m] = 1, d) {
-                          d--;
+                        if (k[m] = 1, c) {
+                          c--;
                         } else {
-                          if (a.push(m), a.length === c) {
+                          if (a.push(m), a.length === d) {
                             break c;
                           }
                         }
@@ -470,7 +445,7 @@ function M(a, c, b, f, d) {
                 }
               }
             } else {
-              a = (e = e[0]).length > c || d ? e.slice(d, c + d) : e;
+              a = (e = e[0]).length > d || c ? e.slice(c, d + c) : e;
             }
             e = a;
           } else {
@@ -479,9 +454,9 @@ function M(a, c, b, f, d) {
               break b;
             }
             e = e[a - 1];
-            if (c || d) {
-              if (e.length > c || d) {
-                e = e.slice(d, c + d);
+            if (d || c) {
+              if (e.length > d || c) {
+                e = e.slice(c, d + c);
               }
             }
           }
@@ -489,48 +464,47 @@ function M(a, c, b, f, d) {
         m = e;
       }
     } else if (1 === f) {
-      c = H.call(null, a[0], c, d);
+      d = H.call(null, a[0], d, c);
       break a;
     }
-    c = m;
+    d = m;
   }
-  return c;
+  return d;
 };
-function O(a, c, b) {
+function N(a, d, b) {
   let f;
-  b && (f = a.bidirectional && c > b) && (f = b, b = c, c = f);
-  a = b ? (a = a.ctx.get(b)) && a.get(c) : a.map.get(c);
+  b && (f = a.bidirectional && d > b) && (f = b, b = d, d = f);
+  a = b ? (a = a.ctx.get(b)) && a.get(d) : a.map.get(d);
   return a;
 }
-;L.prototype.remove = function(a, c) {
+;K.prototype.remove = function(a, d) {
   const b = this.reg.size && (this.fastupdate ? this.reg.get(a) : this.reg.has(a));
   if (b) {
     if (this.fastupdate) {
-      for (let f = 0, d; f < b.length; f++) {
-        if (d = b[f]) {
-          if (2 > d.length) {
-            d.pop();
+      for (let f = 0, c; f < b.length; f++) {
+        if (c = b[f]) {
+          if (2 > c.length) {
+            c.pop();
           } else {
-            const g = d.indexOf(a);
-            g === b.length - 1 ? d.pop() : d.splice(g, 1);
+            const g = c.indexOf(a);
+            g === b.length - 1 ? c.pop() : c.splice(g, 1);
           }
         }
       }
     } else {
-      P(this.map, a), this.depth && P(this.ctx, a);
+      O(this.map, a), this.depth && O(this.ctx, a);
     }
-    c || this.reg.delete(a);
+    d || this.reg.delete(a);
   }
-  this.cache && this.cache.remove(a);
   return this;
 };
-function P(a, c) {
+function O(a, d) {
   let b = 0;
   if (a.constructor === Array) {
-    for (let f = 0, d, g; f < a.length; f++) {
-      if ((d = a[f]) && d.length) {
-        if (g = d.indexOf(c), 0 <= g) {
-          1 < d.length ? (d.splice(g, 1), b++) : delete a[f];
+    for (let f = 0, c, g; f < a.length; f++) {
+      if ((c = a[f]) && c.length) {
+        if (g = c.indexOf(d), 0 <= g) {
+          1 < c.length ? (c.splice(g, 1), b++) : delete a[f];
           break;
         } else {
           b++;
@@ -539,98 +513,78 @@ function P(a, c) {
     }
   } else {
     for (let f of a.entries()) {
-      const d = f[0], g = P(f[1], c);
-      g ? b += g : a.delete(d);
+      const c = f[0], g = O(f[1], d);
+      g ? b += g : a.delete(c);
     }
   }
   return b;
 }
-;function L(a, c) {
-  if (!this || this.constructor !== L) {
-    return new L(a);
+;function K(a, d) {
+  if (!this || this.constructor !== K) {
+    return new K(a);
   }
   if (a) {
     var b = "string" === typeof a ? a : a.preset;
-    b && (K[b] || console.warn("Preset not found: " + b), a = Object.assign({}, K[b], a));
+    b && (J[b] || console.warn("Preset not found: " + b), a = Object.assign({}, J[b], a));
   } else {
     a = {};
   }
   b = a.context;
-  const f = !0 === b ? {depth:1} : b || {}, d = a.encode || a.encoder || J;
-  this.encoder = d.encode ? d : "object" === typeof d ? new F(d) : {encode:d};
+  const f = !0 === b ? {depth:1} : b || {}, c = a.encode || a.encoder || I;
+  this.encoder = c.encode ? c : "object" === typeof c ? new F(c) : {encode:c};
   this.resolution = a.resolution || 9;
-  this.tokenize = b = (b = a.tokenize) && "default" !== b && b || "strict";
+  this.tokenize = b = (b = a.tokenize) && "default" !== b && "exact" !== b && b || "strict";
   this.depth = "strict" === b && f.depth || 0;
   this.bidirectional = !1 !== f.bidirectional;
   this.fastupdate = !!a.fastupdate;
   this.score = a.score || null;
   f && "strict" !== this.tokenize && console.warn('Context-Search could not applied, because it is just supported when using the tokenizer "strict".');
-  b = !1;
   this.map = new Map();
   this.ctx = new Map();
-  this.reg = c || (this.fastupdate ? new Map() : new Set());
+  this.reg = d || (this.fastupdate ? new Map() : new Set());
   this.v = f.resolution || 3;
-  this.rtl = d.rtl || a.rtl || !1;
-  this.cache = (b = a.cache || null) && new I(b);
+  this.rtl = c.rtl || a.rtl || !1;
 }
-r = L.prototype;
+r = K.prototype;
 r.clear = function() {
   this.map.clear();
   this.ctx.clear();
   this.reg.clear();
-  this.cache && this.cache.clear();
   return this;
 };
-r.append = function(a, c) {
-  return this.add(a, c, !0);
+r.append = function(a, d) {
+  return this.add(a, d, !0);
 };
 r.contain = function(a) {
   return this.reg.has(a);
 };
-r.update = function(a, c) {
+r.update = function(a, d) {
   const b = this, f = this.remove(a);
-  return f && f.then ? f.then(() => b.add(a, c)) : this.add(a, c);
+  return f && f.then ? f.then(() => b.add(a, d)) : this.add(a, d);
 };
-function Q(a) {
-  let c = 0;
+function P(a) {
+  let d = 0;
   if (a.constructor === Array) {
     for (let b = 0, f; b < a.length; b++) {
-      (f = a[b]) && (c += f.length);
+      (f = a[b]) && (d += f.length);
     }
   } else {
     for (const b of a.entries()) {
-      const f = b[0], d = Q(b[1]);
-      d ? c += d : a.delete(f);
+      const f = b[0], c = P(b[1]);
+      c ? d += c : a.delete(f);
     }
   }
-  return c;
+  return d;
 }
 r.cleanup = function() {
   if (!this.fastupdate) {
     return console.info('Cleanup the index isn\'t required when not using "fastupdate".'), this;
   }
-  Q(this.map);
-  this.depth && Q(this.ctx);
+  P(this.map);
+  this.depth && P(this.ctx);
   return this;
 };
-r.searchCache = function(a, c, b) {
-  a = ("object" === typeof a ? "" + a.query : a).toLowerCase();
-  this.cache || (this.cache = new I());
-  let f = this.cache.get(a);
-  if (!f) {
-    f = this.search(a, c, b);
-    if (f.then) {
-      const d = this;
-      f.then(function(g) {
-        d.cache.set(a, g);
-        return g;
-      });
-    }
-    this.cache.set(a, f);
-  }
-  return f;
-};
 w();
-export default {Index:L, Charset:null, Encoder:F, Document:null, Worker:null, Resolver:null, IndexedDB:null, Language:{}};
+export default {Index:K, Charset:null, Encoder:F, Document:null, Worker:null, Resolver:null, IndexedDB:null, Language:{}};
 
-export const Index=L;export const  Charset=null;export const  Encoder=F;export const  Document=null;export const  Worker=null;export const  Resolver=null;export const  IndexedDB=null;export const  Language={};
\ No newline at end of file
+export const Index=K;export const  Charset=null;export const  Encoder=F;export const  Document=null;export const  Worker=null;export const  Resolver=null;export const  IndexedDB=null;export const  Language={};
\ No newline at end of file
diff --git a/dist/flexsearch.light.module.min.js b/dist/flexsearch.light.module.min.js
index 7cee0eb..2567537 100644
--- a/dist/flexsearch.light.module.min.js
+++ b/dist/flexsearch.light.module.min.js
@@ -1,29 +1,27 @@
 /**!
- * FlexSearch.js v0.8.142 (Bundle)
+ * FlexSearch.js v0.8.143 (Bundle)
  * Author and Copyright: Thomas Wilkerling
  * Licence: Apache-2.0
  * Hosted by Nextapps GmbH
  * https://github.com/nextapps-de/flexsearch
  */
-var r;function u(a,c,b){const f=typeof b,d=typeof a;if("undefined"!==f){if("undefined"!==d){if(b){if("function"===d&&f===d)return function(h){return a(b(h))};c=a.constructor;if(c===b.constructor){if(c===Array)return b.concat(a);if(c===Map){var g=new Map(b);for(var e of a)g.set(e[0],e[1]);return g}if(c===Set){e=new Set(b);for(g of a.values())e.add(g);return e}}}return a}return b}return"undefined"===d?c:a}function w(){return Object.create(null)};const y=/[^\p{L}\p{N}]+/u,z=/(\d{3})/g,B=/(\D)(\d{3})/g,C=/(\d{3})(\D)/g,E="".normalize&&/[\u0300-\u036f]/g;function F(a={}){if(!this||this.constructor!==F)return new F(...arguments);if(arguments.length)for(a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}r=F.prototype;
-r.assign=function(a){this.normalize=u(a.normalize,!0,this.normalize);let c=a.include,b=c||a.exclude||a.split,f;if(b||""===b){if("object"===typeof b&&b.constructor!==RegExp){let d="";f=!c;c||(d+="\\p{Z}");b.letter&&(d+="\\p{L}");b.number&&(d+="\\p{N}",f=!!c);b.symbol&&(d+="\\p{S}");b.punctuation&&(d+="\\p{P}");b.control&&(d+="\\p{C}");if(b=b.char)d+="object"===typeof b?b.join(""):b;try{this.split=new RegExp("["+(c?"^":"")+d+"]+","u")}catch(g){this.split=/\s+/}}else this.split=b,f=!1===b||2>"a1a".split(b).length;
-this.numeric=u(a.numeric,f)}else{try{this.split=u(this.split,y)}catch(d){this.split=/\s+/}this.numeric=u(a.numeric,u(this.numeric,!0))}this.prepare=u(a.prepare,null,this.prepare);this.finalize=u(a.finalize,null,this.finalize);b=a.filter;this.filter="function"===typeof b?b:u(b&&new Set(b),null,this.filter);this.dedupe=u(a.dedupe,!1,this.dedupe);this.matcher=u((b=a.matcher)&&new Map(b),null,this.matcher);this.mapper=u((b=a.mapper)&&new Map(b),null,this.mapper);this.stemmer=u((b=a.stemmer)&&new Map(b),
-null,this.stemmer);this.replacer=u(a.replacer,null,this.replacer);this.minlength=u(a.minlength,1,this.minlength);this.maxlength=u(a.maxlength,0,this.maxlength);this.rtl=u(a.rtl,!1,this.rtl);if(this.cache=b=u(a.cache,!0,this.cache))this.l=null,this.A="number"===typeof b?b:2E5,this.i=new Map,this.j=new Map,this.o=this.m=128;this.g="";this.s=null;this.h="";this.u=null;if(this.matcher)for(const d of this.matcher.keys())this.g+=(this.g?"|":"")+d;if(this.stemmer)for(const d of this.stemmer.keys())this.h+=
-(this.h?"|":"")+d;return this};r.addStemmer=function(a,c){this.stemmer||(this.stemmer=new Map);this.stemmer.set(a,c);this.h+=(this.h?"|":"")+a;this.u=null;this.cache&&G(this);return this};r.addFilter=function(a){"function"===typeof a?this.filter=a:(this.filter||(this.filter=new Set),this.filter.add(a));this.cache&&G(this);return this};
-r.addMapper=function(a,c){if("object"===typeof a)return this.addReplacer(a,c);if(1<a.length)return this.addMatcher(a,c);this.mapper||(this.mapper=new Map);this.mapper.set(a,c);this.cache&&G(this);return this};r.addMatcher=function(a,c){if("object"===typeof a)return this.addReplacer(a,c);if(2>a.length&&(this.dedupe||this.mapper))return this.addMapper(a,c);this.matcher||(this.matcher=new Map);this.matcher.set(a,c);this.g+=(this.g?"|":"")+a;this.s=null;this.cache&&G(this);return this};
-r.addReplacer=function(a,c){if("string"===typeof a)return this.addMatcher(a,c);this.replacer||(this.replacer=[]);this.replacer.push(a,c);this.cache&&G(this);return this};
-r.encode=function(a){if(this.cache&&a.length<=this.m)if(this.l){if(this.i.has(a))return this.i.get(a)}else this.l=setTimeout(G,50,this);this.normalize&&("function"===typeof this.normalize?a=this.normalize(a):a=E?a.normalize("NFKD").replace(E,"").toLowerCase():a.toLowerCase());this.prepare&&(a=this.prepare(a));this.numeric&&3<a.length&&(a=a.replace(B,"$1 $2").replace(C,"$1 $2").replace(z,"$1 "));const c=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let b=[],f=
-this.split||""===this.split?a.split(this.split):a;for(let g=0,e,h;g<f.length;g++)if((e=h=f[g])&&!(e.length<this.minlength))if(c)b.push(e);else if(!this.filter||("function"===typeof this.filter?this.filter(e):!this.filter.has(e))){if(this.cache&&e.length<=this.o)if(this.l){var d=this.j.get(e);if(d||""===d){d&&b.push(d);continue}}else this.l=setTimeout(G,50,this);this.stemmer&&2<e.length&&(this.u||(this.u=new RegExp("(?!^)("+this.h+")$")),d=e,e=e.replace(this.u,k=>this.stemmer.get(k)),d!==e&&this.filter&&
-e.length>=this.minlength&&("function"===typeof this.filter?!this.filter(e):this.filter.has(e))&&(e=""));if(e&&(this.mapper||this.dedupe&&1<e.length)){d="";for(let k=0,n="",m,v;k<e.length;k++)m=e.charAt(k),m===n&&this.dedupe||((v=this.mapper&&this.mapper.get(m))||""===v?v===n&&this.dedupe||!(n=v)||(d+=v):d+=n=m);e=d}this.matcher&&1<e.length&&(this.s||(this.s=new RegExp("("+this.g+")","g")),e=e.replace(this.s,k=>this.matcher.get(k)));if(e&&this.replacer)for(d=0;e&&d<this.replacer.length;d+=2)e=e.replace(this.replacer[d],
-this.replacer[d+1]);this.cache&&h.length<=this.o&&(this.j.set(h,e),this.j.size>this.A&&(this.j.clear(),this.o=this.o/1.1|0));e&&b.push(e)}this.finalize&&(b=this.finalize(b)||b);this.cache&&a.length<=this.m&&(this.i.set(a,b),this.i.size>this.A&&(this.i.clear(),this.m=this.m/1.1|0));return b};function G(a){a.l=null;a.i.clear();a.j.clear()};function H(a,c,b){if(!a.length)return a;if(1===a.length)return a=a[0],a=b||a.length>c?c?a.slice(b,b+c):a.slice(b):a;let f=[];for(let d=0,g,e;d<a.length;d++)if((g=a[d])&&(e=g.length)){if(b){if(b>=e){b-=e;continue}b<e&&(g=c?g.slice(b,b+c):g.slice(b),e=g.length,b=0)}e>c&&(g=g.slice(0,c),e=c);if(!f.length&&e>=c)return g;f.push(g);c-=e;if(!c)break}return f=1<f.length?[].concat.apply([],f):f[0]};w();function I(a){this.limit=a&&!0!==a?a:1E3;this.cache=new Map;this.g=""}I.prototype.set=function(a,c){this.cache.set(this.g=a,c);this.cache.size>this.limit&&this.cache.delete(this.cache.keys().next().value)};I.prototype.get=function(a){const c=this.cache.get(a);c&&this.g!==a&&(this.cache.delete(a),this.cache.set(this.g=a,c));return c};I.prototype.remove=function(a){for(const c of this.cache){const b=c[0];c[1].includes(a)&&this.cache.delete(b)}};
-I.prototype.clear=function(){this.cache.clear();this.g=""};const J={normalize:function(a){return a.toLowerCase()}};const K={memory:{resolution:1},performance:{resolution:3,fastupdate:!0,context:{depth:1,resolution:1}},match:{tokenize:"forward"},score:{resolution:9,context:{depth:2,resolution:3}}};L.prototype.add=function(a,c,b,f){if(c&&(a||0===a)){if(!f&&!b&&this.reg.has(a))return this.update(a,c);c=this.encoder.encode(c);if(f=c.length){const n=w(),m=w(),v=this.depth,D=this.resolution;for(let p=0;p<f;p++){let l=c[this.rtl?f-1-p:p];var d=l.length;if(d&&(v||!m[l])){var g=this.score?this.score(c,l,p,null,0):M(D,f,p),e="";switch(this.tokenize){case "full":if(2<d){for(let q=0,t;q<d;q++)for(g=d;g>q;g--){e=l.substring(q,g);t=this.rtl?d-1-q:q;var h=this.score?this.score(c,l,p,e,t):M(D,f,p,d,t);N(this,
-m,e,h,a,b)}break}case "reverse":if(1<d){for(h=d-1;0<h;h--){e=l[this.rtl?d-1-h:h]+e;var k=this.score?this.score(c,l,p,e,h):M(D,f,p,d,h);N(this,m,e,k,a,b)}e=""}case "forward":if(1<d){for(h=0;h<d;h++)e+=l[this.rtl?d-1-h:h],N(this,m,e,g,a,b);break}default:if(N(this,m,l,g,a,b),v&&1<f&&p<f-1)for(d=w(),e=this.v,g=l,h=Math.min(v+1,this.rtl?p+1:f-p),d[g]=1,k=1;k<h;k++)if((l=c[this.rtl?f-1-p-k:p+k])&&!d[l]){d[l]=1;const q=this.score?this.score(c,g,p,l,k-1):M(e+(f/2>e?0:1),f,p,h-1,k-1),t=this.bidirectional&&
-l>g;N(this,n,t?g:l,q,a,b,t?l:g)}}}}this.fastupdate||this.reg.add(a)}}return this};function N(a,c,b,f,d,g,e){let h=e?a.ctx:a.map,k;if(!c[b]||e&&!(k=c[b])[e])e?(c=k||(c[b]=w()),c[e]=1,(k=h.get(e))?h=k:h.set(e,h=new Map)):c[b]=1,(k=h.get(b))?h=k:h.set(b,h=[]),h=h[f]||(h[f]=[]),g&&h.includes(d)||(h.push(d),a.fastupdate&&((c=a.reg.get(d))?c.push(h):a.reg.set(d,[h])))}function M(a,c,b,f,d){return b&&1<a?c+(f||0)<=a?b+(d||0):(a-1)/(c+(f||0))*(b+(d||0))+1|0:0};L.prototype.search=function(a,c,b){b||(c||"object"!==typeof a?"object"===typeof c&&(b=c,c=0):(b=a,a=""));var f=[],d=0;if(b){a=b.query||a;c=b.limit||c;d=b.offset||0;var g=b.context;var e=b.suggest;var h=!0;var k=b.resolution}else h=!0;a=this.encoder.encode(a);b=a.length;c=c||(h?100:0);if(1===b)return e=d,(d=O(this,a[0],""))&&d.length?H.call(this,d,c,e):[];g=this.depth&&!1!==g;if(2===b&&g&&!e)return e=d,(d=O(this,a[0],a[1]))&&d.length?H.call(this,d,c,e):[];h=w();var n=0;if(1<b&&g){var m=a[0];n=1}k||
-0===k||(k=m?this.v:this.resolution);for(let l,q;n<b;n++){if((q=a[n])&&!h[q]){h[q]=1;l=O(this,q,m);a:{g=l;var v=f,D=e,p=k;let t=[];if(g&&g.length){if(g.length<=p){v.push(g);l=void 0;break a}for(let x=0,A;x<p;x++)if(A=g[x])t[x]=A;if(t.length){v.push(t);l=void 0;break a}}l=D?void 0:t}if(l){f=l;break}m&&(e&&l&&f.length||(m=q))}e&&m&&n===b-1&&!f.length&&(k=this.resolution,m="",n=-1,h=w())}a:{a=f;f=a.length;m=a;if(1<f)b:{f=e;m=a.length;e=[];b=w();for(let l=0,q,t,x,A;l<k;l++)for(n=0;n<m;n++)if(x=a[n],l<
-x.length&&(q=x[l]))for(g=0;g<q.length;g++)if(t=q[g],(h=b[t])?b[t]++:(h=0,b[t]=1),A=e[h]||(e[h]=[]),A.push(t),c&&h===m-1&&A.length-d===c){m=A;break b}if(a=e.length)if(f){if(1<e.length)c:for(a=[],k=w(),f=e.length,h=f-1;0<=h;h--){if(b=(f=e[h])&&f.length)for(n=0;n<b;n++)if(m=f[n],!k[m])if(k[m]=1,d)d--;else if(a.push(m),a.length===c)break c}else a=(e=e[0]).length>c||d?e.slice(d,c+d):e;e=a}else{if(a<m){m=[];break b}e=e[a-1];if(c||d)if(e.length>c||d)e=e.slice(d,c+d)}m=e}else if(1===f){c=H.call(null,a[0],
-c,d);break a}c=m}return c};function O(a,c,b){let f;b&&(f=a.bidirectional&&c>b)&&(f=b,b=c,c=f);a=b?(a=a.ctx.get(b))&&a.get(c):a.map.get(c);return a};L.prototype.remove=function(a,c){const b=this.reg.size&&(this.fastupdate?this.reg.get(a):this.reg.has(a));if(b){if(this.fastupdate)for(let f=0,d;f<b.length;f++){if(d=b[f])if(2>d.length)d.pop();else{const g=d.indexOf(a);g===b.length-1?d.pop():d.splice(g,1)}}else P(this.map,a),this.depth&&P(this.ctx,a);c||this.reg.delete(a)}this.cache&&this.cache.remove(a);return this};
-function P(a,c){let b=0;if(a.constructor===Array)for(let f=0,d,g;f<a.length;f++){if((d=a[f])&&d.length)if(g=d.indexOf(c),0<=g){1<d.length?(d.splice(g,1),b++):delete a[f];break}else b++}else for(let f of a.entries()){const d=f[0],g=P(f[1],c);g?b+=g:a.delete(d)}return b};function L(a,c){if(!this||this.constructor!==L)return new L(a);if(a){var b="string"===typeof a?a:a.preset;b&&(a=Object.assign({},K[b],a))}else a={};b=a.context;const f=!0===b?{depth:1}:b||{},d=a.encode||a.encoder||J;this.encoder=d.encode?d:"object"===typeof d?new F(d):{encode:d};this.resolution=a.resolution||9;this.tokenize=b=(b=a.tokenize)&&"default"!==b&&b||"strict";this.depth="strict"===b&&f.depth||0;this.bidirectional=!1!==f.bidirectional;this.fastupdate=!!a.fastupdate;this.score=a.score||null;
-b=!1;this.map=new Map;this.ctx=new Map;this.reg=c||(this.fastupdate?new Map:new Set);this.v=f.resolution||3;this.rtl=d.rtl||a.rtl||!1;this.cache=(b=a.cache||null)&&new I(b)}r=L.prototype;r.clear=function(){this.map.clear();this.ctx.clear();this.reg.clear();this.cache&&this.cache.clear();return this};r.append=function(a,c){return this.add(a,c,!0)};r.contain=function(a){return this.reg.has(a)};r.update=function(a,c){const b=this,f=this.remove(a);return f&&f.then?f.then(()=>b.add(a,c)):this.add(a,c)};
-function Q(a){let c=0;if(a.constructor===Array)for(let b=0,f;b<a.length;b++)(f=a[b])&&(c+=f.length);else for(const b of a.entries()){const f=b[0],d=Q(b[1]);d?c+=d:a.delete(f)}return c}r.cleanup=function(){if(!this.fastupdate)return this;Q(this.map);this.depth&&Q(this.ctx);return this};
-r.searchCache=function(a,c,b){a=("object"===typeof a?""+a.query:a).toLowerCase();this.cache||(this.cache=new I);let f=this.cache.get(a);if(!f){f=this.search(a,c,b);if(f.then){const d=this;f.then(function(g){d.cache.set(a,g);return g})}this.cache.set(a,f)}return f};w();export default {Index:L,Charset:null,Encoder:F,Document:null,Worker:null,Resolver:null,IndexedDB:null,Language:{}};
-export const Index=L;export const Charset=null;export const Encoder=F;export const Document=null;export const Worker=null;export const Resolver=null;export const IndexedDB=null;export const Language={};
\ No newline at end of file
+var r;function u(a,d,b){const f=typeof b,c=typeof a;if("undefined"!==f){if("undefined"!==c){if(b){if("function"===c&&f===c)return function(h){return a(b(h))};d=a.constructor;if(d===b.constructor){if(d===Array)return b.concat(a);if(d===Map){var g=new Map(b);for(var e of a)g.set(e[0],e[1]);return g}if(d===Set){e=new Set(b);for(g of a.values())e.add(g);return e}}}return a}return b}return"undefined"===c?d:a}function w(){return Object.create(null)};const y=/[^\p{L}\p{N}]+/u,z=/(\d{3})/g,B=/(\D)(\d{3})/g,D=/(\d{3})(\D)/g,E=/[\u0300-\u036f]/g;function F(a={}){if(!this||this.constructor!==F)return new F(...arguments);if(arguments.length)for(a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}r=F.prototype;
+r.assign=function(a){this.normalize=u(a.normalize,!0,this.normalize);let d=a.include,b=d||a.exclude||a.split,f;if(b||""===b){if("object"===typeof b&&b.constructor!==RegExp){let c="";f=!d;d||(c+="\\p{Z}");b.letter&&(c+="\\p{L}");b.number&&(c+="\\p{N}",f=!!d);b.symbol&&(c+="\\p{S}");b.punctuation&&(c+="\\p{P}");b.control&&(c+="\\p{C}");if(b=b.char)c+="object"===typeof b?b.join(""):b;try{this.split=new RegExp("["+(d?"^":"")+c+"]+","u")}catch(g){this.split=/\s+/}}else this.split=b,f=!1===b||2>"a1a".split(b).length;
+this.numeric=u(a.numeric,f)}else{try{this.split=u(this.split,y)}catch(c){this.split=/\s+/}this.numeric=u(a.numeric,u(this.numeric,!0))}this.prepare=u(a.prepare,null,this.prepare);this.finalize=u(a.finalize,null,this.finalize);b=a.filter;this.filter="function"===typeof b?b:u(b&&new Set(b),null,this.filter);this.dedupe=u(a.dedupe,!1,this.dedupe);this.matcher=u((b=a.matcher)&&new Map(b),null,this.matcher);this.mapper=u((b=a.mapper)&&new Map(b),null,this.mapper);this.stemmer=u((b=a.stemmer)&&new Map(b),
+null,this.stemmer);this.replacer=u(a.replacer,null,this.replacer);this.minlength=u(a.minlength,1,this.minlength);this.maxlength=u(a.maxlength,0,this.maxlength);this.rtl=u(a.rtl,!1,this.rtl);if(this.cache=b=u(a.cache,!0,this.cache))this.l=null,this.A="number"===typeof b?b:2E5,this.i=new Map,this.j=new Map,this.o=this.m=128;this.g="";this.s=null;this.h="";this.u=null;if(this.matcher)for(const c of this.matcher.keys())this.g+=(this.g?"|":"")+c;if(this.stemmer)for(const c of this.stemmer.keys())this.h+=
+(this.h?"|":"")+c;return this};r.addStemmer=function(a,d){this.stemmer||(this.stemmer=new Map);this.stemmer.set(a,d);this.h+=(this.h?"|":"")+a;this.u=null;this.cache&&G(this);return this};r.addFilter=function(a){"function"===typeof a?this.filter=a:(this.filter||(this.filter=new Set),this.filter.add(a));this.cache&&G(this);return this};
+r.addMapper=function(a,d){if("object"===typeof a)return this.addReplacer(a,d);if(1<a.length)return this.addMatcher(a,d);this.mapper||(this.mapper=new Map);this.mapper.set(a,d);this.cache&&G(this);return this};r.addMatcher=function(a,d){if("object"===typeof a)return this.addReplacer(a,d);if(2>a.length&&(this.dedupe||this.mapper))return this.addMapper(a,d);this.matcher||(this.matcher=new Map);this.matcher.set(a,d);this.g+=(this.g?"|":"")+a;this.s=null;this.cache&&G(this);return this};
+r.addReplacer=function(a,d){if("string"===typeof a)return this.addMatcher(a,d);this.replacer||(this.replacer=[]);this.replacer.push(a,d);this.cache&&G(this);return this};
+r.encode=function(a){if(this.cache&&a.length<=this.m)if(this.l){if(this.i.has(a))return this.i.get(a)}else this.l=setTimeout(G,50,this);this.normalize&&("function"===typeof this.normalize?a=this.normalize(a):a=E?a.normalize("NFKD").replace(E,"").toLowerCase():a.toLowerCase());this.prepare&&(a=this.prepare(a));this.numeric&&3<a.length&&(a=a.replace(B,"$1 $2").replace(D,"$1 $2").replace(z,"$1 "));const d=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let b=[],f=
+this.split||""===this.split?a.split(this.split):a;for(let g=0,e,h;g<f.length;g++)if((e=h=f[g])&&!(e.length<this.minlength))if(d)b.push(e);else if(!this.filter||("function"===typeof this.filter?this.filter(e):!this.filter.has(e))){if(this.cache&&e.length<=this.o)if(this.l){var c=this.j.get(e);if(c||""===c){c&&b.push(c);continue}}else this.l=setTimeout(G,50,this);this.stemmer&&2<e.length&&(this.u||(this.u=new RegExp("(?!^)("+this.h+")$")),c=e,e=e.replace(this.u,k=>this.stemmer.get(k)),c!==e&&this.filter&&
+e.length>=this.minlength&&("function"===typeof this.filter?!this.filter(e):this.filter.has(e))&&(e=""));if(e&&(this.mapper||this.dedupe&&1<e.length)){c="";for(let k=0,n="",m,v;k<e.length;k++)m=e.charAt(k),m===n&&this.dedupe||((v=this.mapper&&this.mapper.get(m))||""===v?v===n&&this.dedupe||!(n=v)||(c+=v):c+=n=m);e=c}this.matcher&&1<e.length&&(this.s||(this.s=new RegExp("("+this.g+")","g")),e=e.replace(this.s,k=>this.matcher.get(k)));if(e&&this.replacer)for(c=0;e&&c<this.replacer.length;c+=2)e=e.replace(this.replacer[c],
+this.replacer[c+1]);this.cache&&h.length<=this.o&&(this.j.set(h,e),this.j.size>this.A&&(this.j.clear(),this.o=this.o/1.1|0));e&&b.push(e)}this.finalize&&(b=this.finalize(b)||b);this.cache&&a.length<=this.m&&(this.i.set(a,b),this.i.size>this.A&&(this.i.clear(),this.m=this.m/1.1|0));return b};function G(a){a.l=null;a.i.clear();a.j.clear()};function H(a,d,b){if(!a.length)return a;if(1===a.length)return a=a[0],a=b||a.length>d?d?a.slice(b,b+d):a.slice(b):a;let f=[];for(let c=0,g,e;c<a.length;c++)if((g=a[c])&&(e=g.length)){if(b){if(b>=e){b-=e;continue}b<e&&(g=d?g.slice(b,b+d):g.slice(b),e=g.length,b=0)}e>d&&(g=g.slice(0,d),e=d);if(!f.length&&e>=d)return g;f.push(g);d-=e;if(!d)break}return f=1<f.length?[].concat.apply([],f):f[0]};w();const I={normalize:!0};const J={memory:{resolution:1},performance:{resolution:3,fastupdate:!0,context:{depth:1,resolution:1}},match:{tokenize:"forward"},score:{resolution:9,context:{depth:2,resolution:3}}};K.prototype.add=function(a,d,b,f){if(d&&(a||0===a)){if(!f&&!b&&this.reg.has(a))return this.update(a,d);d=this.encoder.encode(d);if(f=d.length){const n=w(),m=w(),v=this.depth,C=this.resolution;for(let p=0;p<f;p++){let l=d[this.rtl?f-1-p:p];var c=l.length;if(c&&(v||!m[l])){var g=this.score?this.score(d,l,p,null,0):L(C,f,p),e="";switch(this.tokenize){case "full":if(2<c){for(let q=0,t;q<c;q++)for(g=c;g>q;g--){e=l.substring(q,g);t=this.rtl?c-1-q:q;var h=this.score?this.score(d,l,p,e,t):L(C,f,p,c,t);M(this,
+m,e,h,a,b)}break}case "bidirectional":case "reverse":if(1<c){for(h=c-1;0<h;h--){e=l[this.rtl?c-1-h:h]+e;var k=this.score?this.score(d,l,p,e,h):L(C,f,p,c,h);M(this,m,e,k,a,b)}e=""}case "forward":if(1<c){for(h=0;h<c;h++)e+=l[this.rtl?c-1-h:h],M(this,m,e,g,a,b);break}default:if(M(this,m,l,g,a,b),v&&1<f&&p<f-1)for(c=w(),e=this.v,g=l,h=Math.min(v+1,this.rtl?p+1:f-p),c[g]=1,k=1;k<h;k++)if((l=d[this.rtl?f-1-p-k:p+k])&&!c[l]){c[l]=1;const q=this.score?this.score(d,g,p,l,k-1):L(e+(f/2>e?0:1),f,p,h-1,k-1),
+t=this.bidirectional&&l>g;M(this,n,t?g:l,q,a,b,t?l:g)}}}}this.fastupdate||this.reg.add(a)}}return this};function M(a,d,b,f,c,g,e){let h=e?a.ctx:a.map,k;if(!d[b]||e&&!(k=d[b])[e])e?(d=k||(d[b]=w()),d[e]=1,(k=h.get(e))?h=k:h.set(e,h=new Map)):d[b]=1,(k=h.get(b))?h=k:h.set(b,h=[]),h=h[f]||(h[f]=[]),g&&h.includes(c)||(h.push(c),a.fastupdate&&((d=a.reg.get(c))?d.push(h):a.reg.set(c,[h])))}function L(a,d,b,f,c){return b&&1<a?d+(f||0)<=a?b+(c||0):(a-1)/(d+(f||0))*(b+(c||0))+1|0:0};K.prototype.search=function(a,d,b){b||(d||"object"!==typeof a?"object"===typeof d&&(b=d,d=0):(b=a,a=""));var f=[],c=0;if(b){a=b.query||a;d=b.limit||d;c=b.offset||0;var g=b.context;var e=b.suggest;var h=!0;var k=b.resolution}else h=!0;a=this.encoder.encode(a);b=a.length;d=d||(h?100:0);if(1===b)return e=c,(c=N(this,a[0],""))&&c.length?H.call(this,c,d,e):[];g=this.depth&&!1!==g;if(2===b&&g&&!e)return e=c,(c=N(this,a[0],a[1]))&&c.length?H.call(this,c,d,e):[];h=w();var n=0;if(1<b&&g){var m=a[0];n=1}k||
+0===k||(k=m?this.v:this.resolution);for(let l,q;n<b;n++){if((q=a[n])&&!h[q]){h[q]=1;l=N(this,q,m);a:{g=l;var v=f,C=e,p=k;let t=[];if(g&&g.length){if(g.length<=p){v.push(g);l=void 0;break a}for(let x=0,A;x<p;x++)if(A=g[x])t[x]=A;if(t.length){v.push(t);l=void 0;break a}}l=C?void 0:t}if(l){f=l;break}m&&(e&&l&&f.length||(m=q))}e&&m&&n===b-1&&!f.length&&(k=this.resolution,m="",n=-1,h=w())}a:{a=f;f=a.length;m=a;if(1<f)b:{f=e;m=a.length;e=[];b=w();for(let l=0,q,t,x,A;l<k;l++)for(n=0;n<m;n++)if(x=a[n],l<
+x.length&&(q=x[l]))for(g=0;g<q.length;g++)if(t=q[g],(h=b[t])?b[t]++:(h=0,b[t]=1),A=e[h]||(e[h]=[]),A.push(t),d&&h===m-1&&A.length-c===d){m=A;break b}if(a=e.length)if(f){if(1<e.length)c:for(a=[],k=w(),f=e.length,h=f-1;0<=h;h--){if(b=(f=e[h])&&f.length)for(n=0;n<b;n++)if(m=f[n],!k[m])if(k[m]=1,c)c--;else if(a.push(m),a.length===d)break c}else a=(e=e[0]).length>d||c?e.slice(c,d+c):e;e=a}else{if(a<m){m=[];break b}e=e[a-1];if(d||c)if(e.length>d||c)e=e.slice(c,d+c)}m=e}else if(1===f){d=H.call(null,a[0],
+d,c);break a}d=m}return d};function N(a,d,b){let f;b&&(f=a.bidirectional&&d>b)&&(f=b,b=d,d=f);a=b?(a=a.ctx.get(b))&&a.get(d):a.map.get(d);return a};K.prototype.remove=function(a,d){const b=this.reg.size&&(this.fastupdate?this.reg.get(a):this.reg.has(a));if(b){if(this.fastupdate)for(let f=0,c;f<b.length;f++){if(c=b[f])if(2>c.length)c.pop();else{const g=c.indexOf(a);g===b.length-1?c.pop():c.splice(g,1)}}else O(this.map,a),this.depth&&O(this.ctx,a);d||this.reg.delete(a)}return this};
+function O(a,d){let b=0;if(a.constructor===Array)for(let f=0,c,g;f<a.length;f++){if((c=a[f])&&c.length)if(g=c.indexOf(d),0<=g){1<c.length?(c.splice(g,1),b++):delete a[f];break}else b++}else for(let f of a.entries()){const c=f[0],g=O(f[1],d);g?b+=g:a.delete(c)}return b};function K(a,d){if(!this||this.constructor!==K)return new K(a);if(a){var b="string"===typeof a?a:a.preset;b&&(a=Object.assign({},J[b],a))}else a={};b=a.context;const f=!0===b?{depth:1}:b||{},c=a.encode||a.encoder||I;this.encoder=c.encode?c:"object"===typeof c?new F(c):{encode:c};this.resolution=a.resolution||9;this.tokenize=b=(b=a.tokenize)&&"default"!==b&&"exact"!==b&&b||"strict";this.depth="strict"===b&&f.depth||0;this.bidirectional=!1!==f.bidirectional;this.fastupdate=!!a.fastupdate;this.score=
+a.score||null;this.map=new Map;this.ctx=new Map;this.reg=d||(this.fastupdate?new Map:new Set);this.v=f.resolution||3;this.rtl=c.rtl||a.rtl||!1}r=K.prototype;r.clear=function(){this.map.clear();this.ctx.clear();this.reg.clear();return this};r.append=function(a,d){return this.add(a,d,!0)};r.contain=function(a){return this.reg.has(a)};r.update=function(a,d){const b=this,f=this.remove(a);return f&&f.then?f.then(()=>b.add(a,d)):this.add(a,d)};
+function P(a){let d=0;if(a.constructor===Array)for(let b=0,f;b<a.length;b++)(f=a[b])&&(d+=f.length);else for(const b of a.entries()){const f=b[0],c=P(b[1]);c?d+=c:a.delete(f)}return d}r.cleanup=function(){if(!this.fastupdate)return this;P(this.map);this.depth&&P(this.ctx);return this};w();export default {Index:K,Charset:null,Encoder:F,Document:null,Worker:null,Resolver:null,IndexedDB:null,Language:{}};
+export const Index=K;export const Charset=null;export const Encoder=F;export const Document=null;export const Worker=null;export const Resolver=null;export const IndexedDB=null;export const Language={};
\ No newline at end of file
diff --git a/dist/module-debug/charset.js b/dist/module-debug/charset.js
index ae8cf2a..1b9b560 100644
--- a/dist/module-debug/charset.js
+++ b/dist/module-debug/charset.js
@@ -5,60 +5,33 @@ import charset_latin_balance from "./charset/latin/balance.js";
 import charset_latin_advanced from "./charset/latin/advanced.js";
 import charset_latin_extra from "./charset/latin/extra.js";
 import charset_latin_soundex from "./charset/latin/soundex.js";
-import charset_arabic_default from "./charset/arabic/default.js";
-import charset_cjk_default from "./charset/cjk/default.js";
-import charset_cyrillic_default from "./charset/cyrillic/default.js";
 
-export const LatinExact = charset_latin_exact;
-export const LatinDefault = charset_latin_default;
-export const LatinSimple = charset_latin_simple;
+// all charset
+export const Exact = charset_latin_exact;
+export const Default = charset_latin_default;
+export const Normalize = charset_latin_simple;
+// latin charset
 export const LatinBalance = charset_latin_balance;
 export const LatinAdvanced = charset_latin_advanced;
 export const LatinExtra = charset_latin_extra;
 export const LatinSoundex = charset_latin_soundex;
-export const ArabicDefault = charset_arabic_default;
-export const CjkDefault = charset_cjk_default;
-export const CyrillicDefault = charset_cyrillic_default;
-
-// export const global_lang = create_object();
-//export const global_charset = create_object();
+// deprecated
+export const LatinExact = charset_latin_exact;
+export const LatinDefault = charset_latin_default;
+export const LatinSimple = charset_latin_simple;
 
 export default {
-  LatinExact: charset_latin_exact,
-  LatinDefault: charset_latin_default,
-  LatinSimple: charset_latin_simple,
-  LatinBalance: charset_latin_balance,
-  LatinAdvanced: charset_latin_advanced,
-  LatinExtra: charset_latin_extra,
-  LatinSoundex: charset_latin_soundex,
-  ArabicDefault: charset_arabic_default,
-  CjkDefault: charset_cjk_default,
-  CyrillicDefault: charset_cyrillic_default
-};
-
-// global_charset["latin:exact"] = charset_exact;
-// global_charset["latin:default"] = charset_default;
-// global_charset["latin:simple"] = charset_simple;
-// global_charset["latin:balance"] = charset_balance;
-// global_charset["latin:advanced"] = charset_advanced;
-// global_charset["latin:extra"] = charset_extra;
-// global_charset["latin:soundex"] = charset_soundex;
-
-
-/**
- * @param {!string} name
- * @param {Object} charset
- */
-
-// export function registerCharset(name, charset){
-//     global_charset[name] = charset;
-// }
-
-/**
- * @param {!string} name
- * @param {Object} lang
- */
-
-// export function registerLanguage(name, lang){
-//     global_lang[name] = lang;
-// }
\ No newline at end of file
+    // all charset
+    Exact: charset_latin_exact,
+    Default: charset_latin_default,
+    Normalize: charset_latin_simple,
+    // latin charset
+    LatinBalance: charset_latin_balance,
+    LatinAdvanced: charset_latin_advanced,
+    LatinExtra: charset_latin_extra,
+    LatinSoundex: charset_latin_soundex,
+    // deprecated
+    LatinExact: charset_latin_exact,
+    LatinDefault: charset_latin_default,
+    LatinSimple: charset_latin_simple
+};
\ No newline at end of file
diff --git a/dist/module-debug/charset/arabic/default.js b/dist/module-debug/charset/arabic/default.js
deleted file mode 100644
index 2dae8cf..0000000
--- a/dist/module-debug/charset/arabic/default.js
+++ /dev/null
@@ -1,17 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g,
-      split = /\s+/,
-      options = {
-    // the string is already encoded as RTL by default
-    //rtl: true,
-    normalize: !1,
-    dedupe: !0,
-    prepare: function (str) {
-        return ("" + str).replace(regex, " ");
-    }
-};
-
-/** @type EncoderOptions */
-
-export default options;
\ No newline at end of file
diff --git a/dist/module-debug/charset/cjk/default.js b/dist/module-debug/charset/cjk/default.js
deleted file mode 100644
index 7e1a110..0000000
--- a/dist/module-debug/charset/cjk/default.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g,
-      options = {
-    normalize: !1,
-    dedupe: !0,
-    split: "",
-    prepare: function (str) {
-        return ("" + str).replace(regex, "");
-    }
-};
-
-/** @type EncoderOptions */
-
-export default options;
\ No newline at end of file
diff --git a/dist/module-debug/charset/cyrillic/default.js b/dist/module-debug/charset/cyrillic/default.js
deleted file mode 100644
index f2937b2..0000000
--- a/dist/module-debug/charset/cyrillic/default.js
+++ /dev/null
@@ -1,14 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g,
-      options = {
-    normalize: !1,
-    dedupe: !0,
-    prepare: function (str) {
-        return ("" + str).replace(regex, " ");
-    }
-};
-
-/** @type EncoderOptions */
-
-export default options;
\ No newline at end of file
diff --git a/dist/module-debug/charset/latin/default.js b/dist/module-debug/charset/latin/default.js
index 29822e5..4ba0cad 100644
--- a/dist/module-debug/charset/latin/default.js
+++ b/dist/module-debug/charset/latin/default.js
@@ -2,10 +2,10 @@ import { EncoderOptions } from "../../type.js";
 
 /** @type EncoderOptions */
 const options = {
-    normalize: function (str) {
-        return str.toLowerCase();
-    }
-    //numeric: false,
+    normalize: !0
+    // normalize: function(str){
+    //     return str.toLowerCase();
+    // },
     //dedupe: false
 };
 export default options;
\ No newline at end of file
diff --git a/dist/module-debug/charset/latin/exact.js b/dist/module-debug/charset/latin/exact.js
index 32d91cb..9fa871f 100644
--- a/dist/module-debug/charset/latin/exact.js
+++ b/dist/module-debug/charset/latin/exact.js
@@ -2,8 +2,10 @@ import { EncoderOptions } from "../../type.js";
 
 /** @type EncoderOptions */
 const options = {
-    split: /\s+/,
-    normalize: !1
+    normalize: !1,
+    numeric: !1,
+    split: /\s+/
+    //normalize: false,
     //dedupe: false
 };
 export default options;
\ No newline at end of file
diff --git a/dist/module-debug/encoder.js b/dist/module-debug/encoder.js
index cbc522d..017399a 100644
--- a/dist/module-debug/encoder.js
+++ b/dist/module-debug/encoder.js
@@ -49,7 +49,7 @@ const whitespace = /[^\p{L}\p{N}]+/u,
       numeric_split_length = /(\d{3})/g,
       numeric_split_prev_char = /(\D)(\d{3})/g,
       numeric_split_next_char = /(\d{3})(\D)/g,
-      normalize = /[\u0300-\u036f]/g; // /[\p{Z}\p{S}\p{P}\p{C}]+/u;
+      normalize = /*"".normalize &&*//[\u0300-\u036f]/g; // /[\p{Z}\p{S}\p{P}\p{C}]+/u;
 //const numeric_split = /(\d{3})/g;
 
 //.replace(/(\d{3})/g, "$1 ")
@@ -178,10 +178,13 @@ Encoder.prototype.assign = function (options) {
     this.finalize = /** @type {Function|null} */merge_option(options.finalize, null, this.finalize);
 
     // assign the normalization fallback to the mapper
-    if (!normalize) {
-        this.mapper = new Map(
-        /** @type {Array<Array<string, string>>} */normalize_polyfill);
-    }
+    // if(SUPPORT_CHARSET && !normalize){
+    //     this.mapper = new Map(
+    //         /** @type {Array<Array<string, string>>} */ (
+    //             normalize_polyfill
+    //         )
+    //     );
+    // }
 
     tmp = options.filter;
     this.filter = "function" == typeof tmp ? tmp : merge_option(tmp && new Set(tmp), null, this.filter);
@@ -195,6 +198,7 @@ Encoder.prototype.assign = function (options) {
     this.rtl = merge_option(options.rtl, !1, this.rtl);
 
     // auto-balanced cache
+    //if(SUPPORT_CACHE){
     this.cache = tmp = merge_option(options.cache, !0, this.cache);
     if (tmp) {
         this.timer = null;
@@ -204,6 +208,7 @@ Encoder.prototype.assign = function (options) {
         this.cache_enc_length = 128;
         this.cache_term_length = 128;
     }
+    //}
 
     // regex temporary state
     this.matcher_str = "";
@@ -249,7 +254,7 @@ Encoder.prototype.addStemmer = function (match, replace) {
     this.stemmer.set(match, replace);
     this.stemmer_str += (this.stemmer_str ? "|" : "") + match;
     this.stemmer_test = null;
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -261,7 +266,7 @@ Encoder.prototype.addFilter = function (term) {
         this.filter || (this.filter = new Set());
         this.filter.add(term);
     }
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -283,7 +288,7 @@ Encoder.prototype.addMapper = function (char_match, char_replace) {
     }
     this.mapper || (this.mapper = new Map());
     this.mapper.set(char_match, char_replace);
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -308,7 +313,7 @@ Encoder.prototype.addMatcher = function (match, replace) {
     this.matcher.set(match, replace);
     this.matcher_str += (this.matcher_str ? "|" : "") + match;
     this.matcher_test = null;
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -324,7 +329,7 @@ Encoder.prototype.addReplacer = function (regex, replace) {
     }
     this.replacer || (this.replacer = []);
     this.replacer.push(regex, replace);
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -337,7 +342,7 @@ Encoder.prototype.encode = function (str) {
     //if(!str) return str;
     // todo remove dupe terms
 
-    if (this.cache && str.length <= this.cache_enc_length) {
+    if ( /*SUPPORT_CACHE &&*/this.cache && str.length <= this.cache_enc_length) {
         if (this.timer) {
             if (this.cache_enc.has(str)) {
                 return this.cache_enc.get(str);
@@ -404,7 +409,7 @@ Encoder.prototype.encode = function (str) {
             continue;
         }
 
-        if (this.cache && word.length <= this.cache_term_length) {
+        if ( /*SUPPORT_CACHE &&*/this.cache && word.length <= this.cache_term_length) {
             if (this.timer) {
                 const tmp = this.cache_term.get(word);
                 if (tmp || "" === tmp) {
@@ -479,7 +484,7 @@ Encoder.prototype.encode = function (str) {
         //word = word.replace(/(.)\1+/g, "$1");
         //word = word.replace(/(?<=(.))\1+/g, "");
 
-        if (this.cache && base.length <= this.cache_term_length) {
+        if ( /*SUPPORT_CACHE &&*/this.cache && base.length <= this.cache_term_length) {
             this.cache_term.set(base, word);
             if (this.cache_term.size > this.cache_size) {
                 this.cache_term.clear();
@@ -494,7 +499,7 @@ Encoder.prototype.encode = function (str) {
         final = this.finalize(final) || final;
     }
 
-    if (this.cache && str.length <= this.cache_enc_length) {
+    if ( /*SUPPORT_CACHE &&*/this.cache && str.length <= this.cache_enc_length) {
         this.cache_enc.set(str, final);
         if (this.cache_enc.size > this.cache_size) {
             this.cache_enc.clear();
diff --git a/dist/module-debug/index.js b/dist/module-debug/index.js
index 520b32b..63fa421 100644
--- a/dist/module-debug/index.js
+++ b/dist/module-debug/index.js
@@ -48,7 +48,7 @@ export default function Index(options, _register) {
 
 
     this.resolution = options.resolution || 9;
-    this.tokenize = tmp = (tmp = options.tokenize) && "default" !== tmp && tmp || "strict";
+    this.tokenize = tmp = (tmp = options.tokenize) && "default" !== tmp && "exact" !== tmp && tmp || "strict";
     this.depth = "strict" === tmp && context.depth || 0;
     this.bidirectional = !1 !== context.bidirectional;
     this.fastupdate = !!options.fastupdate;
diff --git a/dist/module-debug/index/add.js b/dist/module-debug/index/add.js
index 211c72c..60435fe 100644
--- a/dist/module-debug/index/add.js
+++ b/dist/module-debug/index/add.js
@@ -72,6 +72,7 @@ Index.prototype.add = function (id, content, _append, _skip_update) {
                                 break;
                             }
                         // fallthrough to next case when term length < 3
+                        case "bidirectional":
                         case "reverse":
                             // skip last round (this token exist already in "forward")
                             if (1 < term_length) {
diff --git a/dist/module-min/charset.js b/dist/module-min/charset.js
index 7c7956b..39214a8 100644
--- a/dist/module-min/charset.js
+++ b/dist/module-min/charset.js
@@ -1 +1 @@
-import charset_latin_exact from"./charset/latin/exact.js";import charset_latin_default from"./charset/latin/default.js";import charset_latin_simple from"./charset/latin/simple.js";import charset_latin_balance from"./charset/latin/balance.js";import charset_latin_advanced from"./charset/latin/advanced.js";import charset_latin_extra from"./charset/latin/extra.js";import charset_latin_soundex from"./charset/latin/soundex.js";import charset_arabic_default from"./charset/arabic/default.js";import charset_cjk_default from"./charset/cjk/default.js";import charset_cyrillic_default from"./charset/cyrillic/default.js";export const LatinExact=charset_latin_exact;export const LatinDefault=charset_latin_default;export const LatinSimple=charset_latin_simple;export const LatinBalance=charset_latin_balance;export const LatinAdvanced=charset_latin_advanced;export const LatinExtra=charset_latin_extra;export const LatinSoundex=charset_latin_soundex;export const ArabicDefault=charset_arabic_default;export const CjkDefault=charset_cjk_default;export const CyrillicDefault=charset_cyrillic_default;export default{LatinExact:charset_latin_exact,LatinDefault:charset_latin_default,LatinSimple:charset_latin_simple,LatinBalance:charset_latin_balance,LatinAdvanced:charset_latin_advanced,LatinExtra:charset_latin_extra,LatinSoundex:charset_latin_soundex,ArabicDefault:charset_arabic_default,CjkDefault:charset_cjk_default,CyrillicDefault:charset_cyrillic_default};
\ No newline at end of file
+import charset_latin_exact from"./charset/latin/exact.js";import charset_latin_default from"./charset/latin/default.js";import charset_latin_simple from"./charset/latin/simple.js";import charset_latin_balance from"./charset/latin/balance.js";import charset_latin_advanced from"./charset/latin/advanced.js";import charset_latin_extra from"./charset/latin/extra.js";import charset_latin_soundex from"./charset/latin/soundex.js";export const Exact=charset_latin_exact;export const Default=charset_latin_default;export const Normalize=charset_latin_simple;export const LatinBalance=charset_latin_balance;export const LatinAdvanced=charset_latin_advanced;export const LatinExtra=charset_latin_extra;export const LatinSoundex=charset_latin_soundex;export const LatinExact=charset_latin_exact;export const LatinDefault=charset_latin_default;export const LatinSimple=charset_latin_simple;export default{Exact:charset_latin_exact,Default:charset_latin_default,Normalize:charset_latin_simple,LatinBalance:charset_latin_balance,LatinAdvanced:charset_latin_advanced,LatinExtra:charset_latin_extra,LatinSoundex:charset_latin_soundex,LatinExact:charset_latin_exact,LatinDefault:charset_latin_default,LatinSimple:charset_latin_simple};
\ No newline at end of file
diff --git a/dist/module-min/charset/arabic/default.js b/dist/module-min/charset/arabic/default.js
deleted file mode 100644
index 703f825..0000000
--- a/dist/module-min/charset/arabic/default.js
+++ /dev/null
@@ -1 +0,0 @@
-import{EncoderOptions}from"../../type.js";const regex=/[\x00-\x7F]+/g,split=/\s+/,options={normalize:!1,dedupe:!0,prepare:function(a){return(""+a).replace(regex," ")}};export default options;
\ No newline at end of file
diff --git a/dist/module-min/charset/cjk/default.js b/dist/module-min/charset/cjk/default.js
deleted file mode 100644
index e48bd09..0000000
--- a/dist/module-min/charset/cjk/default.js
+++ /dev/null
@@ -1 +0,0 @@
-import{EncoderOptions}from"../../type.js";const regex=/[\x00-\x7F]+/g,options={normalize:!1,dedupe:!0,split:"",prepare:function(a){return(""+a).replace(regex,"")}};export default options;
\ No newline at end of file
diff --git a/dist/module-min/charset/cyrillic/default.js b/dist/module-min/charset/cyrillic/default.js
deleted file mode 100644
index b66591a..0000000
--- a/dist/module-min/charset/cyrillic/default.js
+++ /dev/null
@@ -1 +0,0 @@
-import{EncoderOptions}from"../../type.js";const regex=/[\x00-\x7F]+/g,options={normalize:!1,dedupe:!0,prepare:function(a){return(""+a).replace(regex," ")}};export default options;
\ No newline at end of file
diff --git a/dist/module-min/charset/latin/default.js b/dist/module-min/charset/latin/default.js
index 3e2e7ef..5b7192e 100644
--- a/dist/module-min/charset/latin/default.js
+++ b/dist/module-min/charset/latin/default.js
@@ -1 +1 @@
-import{EncoderOptions}from"../../type.js";const options={normalize:function(a){return a.toLowerCase()}};export default options;
\ No newline at end of file
+import{EncoderOptions}from"../../type.js";const options={normalize:!0};export default options;
\ No newline at end of file
diff --git a/dist/module-min/charset/latin/exact.js b/dist/module-min/charset/latin/exact.js
index d842cb3..e674552 100644
--- a/dist/module-min/charset/latin/exact.js
+++ b/dist/module-min/charset/latin/exact.js
@@ -1 +1 @@
-import{EncoderOptions}from"../../type.js";const options={split:/\s+/,normalize:!1};export default options;
\ No newline at end of file
+import{EncoderOptions}from"../../type.js";const options={normalize:!1,numeric:!1,split:/\s+/};export default options;
\ No newline at end of file
diff --git a/dist/module-min/encoder.js b/dist/module-min/encoder.js
index bfb3b58..4861ece 100644
--- a/dist/module-min/encoder.js
+++ b/dist/module-min/encoder.js
@@ -1 +1 @@
-import{merge_option}from"./common.js";import normalize_polyfill from"./charset/normalize.js";import{EncoderOptions}from"./type.js";const whitespace=/[^\p{L}\p{N}]+/u,numeric_split_length=/(\d{3})/g,numeric_split_prev_char=/(\D)(\d{3})/g,numeric_split_next_char=/(\d{3})(\D)/g,normalize=/[\u0300-\u036f]/g;export default function Encoder(a={}){if(!this||this.constructor!==Encoder)return new Encoder(...arguments);if(arguments.length)for(let a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}Encoder.prototype.assign=function(a){this.normalize=merge_option(a.normalize,!0,this.normalize);let b,c=a.include,d=c||a.exclude||a.split;if(d||""===d){if("object"==typeof d&&d.constructor!==RegExp){let a="";b=!c,c||(a+="\\p{Z}"),d.letter&&(a+="\\p{L}"),d.number&&(a+="\\p{N}",b=!!c),d.symbol&&(a+="\\p{S}"),d.punctuation&&(a+="\\p{P}"),d.control&&(a+="\\p{C}"),(d=d.char)&&(a+="object"==typeof d?d.join(""):d);try{this.split=new RegExp("["+(c?"^":"")+a+"]+","u")}catch(a){!1,this.split=/\s+/}}else this.split=d,b=!1===d||2>"a1a".split(d).length;this.numeric=merge_option(a.numeric,b)}else{try{this.split=merge_option(this.split,whitespace)}catch(a){!1,this.split=/\s+/}this.numeric=merge_option(a.numeric,merge_option(this.numeric,!0))}if(this.prepare=merge_option(a.prepare,null,this.prepare),this.finalize=merge_option(a.finalize,null,this.finalize),!normalize&&(this.mapper=new Map(normalize_polyfill)),d=a.filter,this.filter="function"==typeof d?d:merge_option(d&&new Set(d),null,this.filter),this.dedupe=merge_option(a.dedupe,!1,this.dedupe),this.matcher=merge_option((d=a.matcher)&&new Map(d),null,this.matcher),this.mapper=merge_option((d=a.mapper)&&new Map(d),null,this.mapper),this.stemmer=merge_option((d=a.stemmer)&&new Map(d),null,this.stemmer),this.replacer=merge_option(a.replacer,null,this.replacer),this.minlength=merge_option(a.minlength,1,this.minlength),this.maxlength=merge_option(a.maxlength,0,this.maxlength),this.rtl=merge_option(a.rtl,!1,this.rtl),this.cache=d=merge_option(a.cache,!0,this.cache),d&&(this.timer=null,this.cache_size="number"==typeof d?d:2e5,this.cache_enc=new Map,this.cache_term=new Map,this.cache_enc_length=128,this.cache_term_length=128),this.matcher_str="",this.matcher_test=null,this.stemmer_str="",this.stemmer_test=null,this.matcher)for(const a of this.matcher.keys())this.matcher_str+=(this.matcher_str?"|":"")+a;if(this.stemmer)for(const a of this.stemmer.keys())this.stemmer_str+=(this.stemmer_str?"|":"")+a;return this},Encoder.prototype.addStemmer=function(a,b){return this.stemmer||(this.stemmer=new Map),this.stemmer.set(a,b),this.stemmer_str+=(this.stemmer_str?"|":"")+a,this.stemmer_test=null,this.cache&&clear(this),this},Encoder.prototype.addFilter=function(a){return"function"==typeof a?this.filter=a:(this.filter||(this.filter=new Set),this.filter.add(a)),this.cache&&clear(this),this},Encoder.prototype.addMapper=function(a,b){return"object"==typeof a?this.addReplacer(a,b):1<a.length?this.addMatcher(a,b):(this.mapper||(this.mapper=new Map),this.mapper.set(a,b),this.cache&&clear(this),this)},Encoder.prototype.addMatcher=function(a,b){return"object"==typeof a?this.addReplacer(a,b):2>a.length&&(this.dedupe||this.mapper)?this.addMapper(a,b):(this.matcher||(this.matcher=new Map),this.matcher.set(a,b),this.matcher_str+=(this.matcher_str?"|":"")+a,this.matcher_test=null,this.cache&&clear(this),this)},Encoder.prototype.addReplacer=function(a,b){return"string"==typeof a?this.addMatcher(a,b):(this.replacer||(this.replacer=[]),this.replacer.push(a,b),this.cache&&clear(this),this)},Encoder.prototype.encode=function(a){if(this.cache&&a.length<=this.cache_enc_length)if(!this.timer)this.timer=setTimeout(clear,50,this);else if(this.cache_enc.has(a))return this.cache_enc.get(a);this.normalize&&("function"==typeof this.normalize?a=this.normalize(a):normalize?a=a.normalize("NFKD").replace(normalize,"").toLowerCase():a=a.toLowerCase()),this.prepare&&(a=this.prepare(a)),this.numeric&&3<a.length&&(a=a.replace(numeric_split_prev_char,"$1 $2").replace(numeric_split_next_char,"$1 $2").replace(numeric_split_length,"$1 "));const b=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let c=[],d=this.split||""===this.split?a.split(this.split):a;for(let e,f,g=0;g<d.length;g++)if((e=f=d[g])&&!(e.length<this.minlength)){if(b){c.push(e);continue}if(!(this.filter&&("function"==typeof this.filter?!this.filter(e):this.filter.has(e)))){if(this.cache&&e.length<=this.cache_term_length)if(this.timer){const a=this.cache_term.get(e);if(a||""===a){a&&c.push(a);continue}}else this.timer=setTimeout(clear,50,this);if(this.stemmer&&2<e.length){this.stemmer_test||(this.stemmer_test=new RegExp("(?!^)("+this.stemmer_str+")$"));const a=e;e=e.replace(this.stemmer_test,a=>this.stemmer.get(a)),a!==e&&this.filter&&e.length>=this.minlength&&("function"==typeof this.filter?!this.filter(e):this.filter.has(e))&&(e="")}if(e&&(this.mapper||this.dedupe&&1<e.length)){let a="";for(let b,c,d=0,f="";d<e.length;d++)b=e.charAt(d),b===f&&this.dedupe||(c=this.mapper&&this.mapper.get(b),c||""===c?(c!==f||!this.dedupe)&&(f=c)&&(a+=c):a+=f=b);e=a}if(this.matcher&&1<e.length&&(this.matcher_test||(this.matcher_test=new RegExp("("+this.matcher_str+")","g")),e=e.replace(this.matcher_test,a=>this.matcher.get(a))),e&&this.replacer)for(let a=0;e&&a<this.replacer.length;a+=2)e=e.replace(this.replacer[a],this.replacer[a+1]);this.cache&&f.length<=this.cache_term_length&&(this.cache_term.set(f,e),this.cache_term.size>this.cache_size&&(this.cache_term.clear(),this.cache_term_length=0|this.cache_term_length/1.1)),e&&c.push(e)}}return this.finalize&&(c=this.finalize(c)||c),this.cache&&a.length<=this.cache_enc_length&&(this.cache_enc.set(a,c),this.cache_enc.size>this.cache_size&&(this.cache_enc.clear(),this.cache_enc_length=0|this.cache_enc_length/1.1)),c};function clear(a){a.timer=null,a.cache_enc.clear(),a.cache_term.clear()}
\ No newline at end of file
+import{merge_option}from"./common.js";import normalize_polyfill from"./charset/normalize.js";import{EncoderOptions}from"./type.js";const whitespace=/[^\p{L}\p{N}]+/u,numeric_split_length=/(\d{3})/g,numeric_split_prev_char=/(\D)(\d{3})/g,numeric_split_next_char=/(\d{3})(\D)/g,normalize=/[\u0300-\u036f]/g;export default function Encoder(a={}){if(!this||this.constructor!==Encoder)return new Encoder(...arguments);if(arguments.length)for(let a=0;a<arguments.length;a++)this.assign(arguments[a]);else this.assign(a)}Encoder.prototype.assign=function(a){this.normalize=merge_option(a.normalize,!0,this.normalize);let b,c=a.include,d=c||a.exclude||a.split;if(d||""===d){if("object"==typeof d&&d.constructor!==RegExp){let a="";b=!c,c||(a+="\\p{Z}"),d.letter&&(a+="\\p{L}"),d.number&&(a+="\\p{N}",b=!!c),d.symbol&&(a+="\\p{S}"),d.punctuation&&(a+="\\p{P}"),d.control&&(a+="\\p{C}"),(d=d.char)&&(a+="object"==typeof d?d.join(""):d);try{this.split=new RegExp("["+(c?"^":"")+a+"]+","u")}catch(a){!1,this.split=/\s+/}}else this.split=d,b=!1===d||2>"a1a".split(d).length;this.numeric=merge_option(a.numeric,b)}else{try{this.split=merge_option(this.split,whitespace)}catch(a){!1,this.split=/\s+/}this.numeric=merge_option(a.numeric,merge_option(this.numeric,!0))}if(this.prepare=merge_option(a.prepare,null,this.prepare),this.finalize=merge_option(a.finalize,null,this.finalize),d=a.filter,this.filter="function"==typeof d?d:merge_option(d&&new Set(d),null,this.filter),this.dedupe=merge_option(a.dedupe,!1,this.dedupe),this.matcher=merge_option((d=a.matcher)&&new Map(d),null,this.matcher),this.mapper=merge_option((d=a.mapper)&&new Map(d),null,this.mapper),this.stemmer=merge_option((d=a.stemmer)&&new Map(d),null,this.stemmer),this.replacer=merge_option(a.replacer,null,this.replacer),this.minlength=merge_option(a.minlength,1,this.minlength),this.maxlength=merge_option(a.maxlength,0,this.maxlength),this.rtl=merge_option(a.rtl,!1,this.rtl),this.cache=d=merge_option(a.cache,!0,this.cache),d&&(this.timer=null,this.cache_size="number"==typeof d?d:2e5,this.cache_enc=new Map,this.cache_term=new Map,this.cache_enc_length=128,this.cache_term_length=128),this.matcher_str="",this.matcher_test=null,this.stemmer_str="",this.stemmer_test=null,this.matcher)for(const a of this.matcher.keys())this.matcher_str+=(this.matcher_str?"|":"")+a;if(this.stemmer)for(const a of this.stemmer.keys())this.stemmer_str+=(this.stemmer_str?"|":"")+a;return this},Encoder.prototype.addStemmer=function(a,b){return this.stemmer||(this.stemmer=new Map),this.stemmer.set(a,b),this.stemmer_str+=(this.stemmer_str?"|":"")+a,this.stemmer_test=null,this.cache&&clear(this),this},Encoder.prototype.addFilter=function(a){return"function"==typeof a?this.filter=a:(this.filter||(this.filter=new Set),this.filter.add(a)),this.cache&&clear(this),this},Encoder.prototype.addMapper=function(a,b){return"object"==typeof a?this.addReplacer(a,b):1<a.length?this.addMatcher(a,b):(this.mapper||(this.mapper=new Map),this.mapper.set(a,b),this.cache&&clear(this),this)},Encoder.prototype.addMatcher=function(a,b){return"object"==typeof a?this.addReplacer(a,b):2>a.length&&(this.dedupe||this.mapper)?this.addMapper(a,b):(this.matcher||(this.matcher=new Map),this.matcher.set(a,b),this.matcher_str+=(this.matcher_str?"|":"")+a,this.matcher_test=null,this.cache&&clear(this),this)},Encoder.prototype.addReplacer=function(a,b){return"string"==typeof a?this.addMatcher(a,b):(this.replacer||(this.replacer=[]),this.replacer.push(a,b),this.cache&&clear(this),this)},Encoder.prototype.encode=function(a){if(this.cache&&a.length<=this.cache_enc_length)if(!this.timer)this.timer=setTimeout(clear,50,this);else if(this.cache_enc.has(a))return this.cache_enc.get(a);this.normalize&&("function"==typeof this.normalize?a=this.normalize(a):normalize?a=a.normalize("NFKD").replace(normalize,"").toLowerCase():a=a.toLowerCase()),this.prepare&&(a=this.prepare(a)),this.numeric&&3<a.length&&(a=a.replace(numeric_split_prev_char,"$1 $2").replace(numeric_split_next_char,"$1 $2").replace(numeric_split_length,"$1 "));const b=!(this.dedupe||this.mapper||this.filter||this.matcher||this.stemmer||this.replacer);let c=[],d=this.split||""===this.split?a.split(this.split):a;for(let e,f,g=0;g<d.length;g++)if((e=f=d[g])&&!(e.length<this.minlength)){if(b){c.push(e);continue}if(!(this.filter&&("function"==typeof this.filter?!this.filter(e):this.filter.has(e)))){if(this.cache&&e.length<=this.cache_term_length)if(this.timer){const a=this.cache_term.get(e);if(a||""===a){a&&c.push(a);continue}}else this.timer=setTimeout(clear,50,this);if(this.stemmer&&2<e.length){this.stemmer_test||(this.stemmer_test=new RegExp("(?!^)("+this.stemmer_str+")$"));const a=e;e=e.replace(this.stemmer_test,a=>this.stemmer.get(a)),a!==e&&this.filter&&e.length>=this.minlength&&("function"==typeof this.filter?!this.filter(e):this.filter.has(e))&&(e="")}if(e&&(this.mapper||this.dedupe&&1<e.length)){let a="";for(let b,c,d=0,f="";d<e.length;d++)b=e.charAt(d),b===f&&this.dedupe||(c=this.mapper&&this.mapper.get(b),c||""===c?(c!==f||!this.dedupe)&&(f=c)&&(a+=c):a+=f=b);e=a}if(this.matcher&&1<e.length&&(this.matcher_test||(this.matcher_test=new RegExp("("+this.matcher_str+")","g")),e=e.replace(this.matcher_test,a=>this.matcher.get(a))),e&&this.replacer)for(let a=0;e&&a<this.replacer.length;a+=2)e=e.replace(this.replacer[a],this.replacer[a+1]);this.cache&&f.length<=this.cache_term_length&&(this.cache_term.set(f,e),this.cache_term.size>this.cache_size&&(this.cache_term.clear(),this.cache_term_length=0|this.cache_term_length/1.1)),e&&c.push(e)}}return this.finalize&&(c=this.finalize(c)||c),this.cache&&a.length<=this.cache_enc_length&&(this.cache_enc.set(a,c),this.cache_enc.size>this.cache_size&&(this.cache_enc.clear(),this.cache_enc_length=0|this.cache_enc_length/1.1)),c};function clear(a){a.timer=null,a.cache_enc.clear(),a.cache_term.clear()}
\ No newline at end of file
diff --git a/dist/module-min/index.js b/dist/module-min/index.js
index 66f7bea..cba1dee 100644
--- a/dist/module-min/index.js
+++ b/dist/module-min/index.js
@@ -1 +1 @@
-import{IndexOptions,ContextOptions,EncoderOptions}from"./type.js";import Encoder from"./encoder.js";import Cache,{searchCache}from"./cache.js";import Charset from"./charset.js";import{KeystoreMap,KeystoreSet}from"./keystore.js";import{is_array,is_string}from"./common.js";import{exportIndex,importIndex,serialize}from"./serialize.js";import default_encoder from"./charset/latin/default.js";import apply_preset from"./preset.js";import apply_async from"./async.js";import tick from"./profiler.js";import"./index/add.js";import"./index/search.js";import"./index/remove.js";export default function Index(a,b){if(!this||this.constructor!==Index)return new Index(a);!1,a=a?apply_preset(a):{};let c=a.context;const d=!0===c?{depth:1}:c||{},e=is_string(a.encoder)?Charset[a.encoder]:a.encode||a.encoder||default_encoder;this.encoder=e.encode?e:"object"==typeof e?new Encoder(e):{encode:e},this.compress=a.compress||a.compression||!1,this.resolution=a.resolution||9,this.tokenize=c=(c=a.tokenize)&&"default"!==c&&c||"strict",this.depth="strict"===c&&d.depth||0,this.bidirectional=!1!==d.bidirectional,this.fastupdate=!!a.fastupdate,this.score=a.score||null,!1,c=a.keystore||0,c&&(this.keystore=c),this.map=c&&!0?new KeystoreMap(c):new Map,this.ctx=c&&!0?new KeystoreMap(c):new Map,this.reg=b||(this.fastupdate?c&&!0?new KeystoreMap(c):new Map:c&&!0?new KeystoreSet(c):new Set),this.resolution_ctx=d.resolution||3,this.rtl=e.rtl||a.rtl||!1,this.cache=(c=a.cache||null)&&new Cache(c),this.resolve=!1!==a.resolve,(c=a.db)&&(this.db=this.mount(c)),this.commit_auto=!1!==a.commit,this.commit_task=[],this.commit_timer=null,this.priority=a.priority||4}Index.prototype.mount=function(a){return this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null),a.mount(this)},Index.prototype.commit=function(a,b){return this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null),this.db.commit(this,a,b)},Index.prototype.destroy=function(){return this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null),this.db.destroy()};export function autoCommit(a,b,c){a.commit_timer||(a.commit_timer=setTimeout(function(){a.commit_timer=null,a.db.commit(a,b,c)},1))}Index.prototype.clear=function(){return this.map.clear(),this.ctx.clear(),this.reg.clear(),this.cache&&this.cache.clear(),this.db&&(this.commit_timer&&clearTimeout(this.commit_timer),this.commit_timer=null,this.commit_task=[{clear:!0}]),this},Index.prototype.append=function(a,b){return this.add(a,b,!0)},Index.prototype.contain=function(a){return this.db?this.db.has(a):this.reg.has(a)},Index.prototype.update=function(a,b){const c=this,d=this.remove(a);return d&&d.then?d.then(()=>c.add(a,b)):this.add(a,b)};function cleanup_index(a){let b=0;if(is_array(a))for(let c,d=0;d<a.length;d++)(c=a[d])&&(b+=c.length);else for(const c of a.entries()){const d=c[0],e=c[1],f=cleanup_index(e);f?b+=f:a.delete(d)}return b}Index.prototype.cleanup=function(){return this.fastupdate?(cleanup_index(this.map),this.depth&&cleanup_index(this.ctx),this):(!1,this)},Index.prototype.searchCache=searchCache,Index.prototype.export=exportIndex,Index.prototype.import=importIndex,Index.prototype.serialize=serialize,apply_async(Index.prototype);
\ No newline at end of file
+import{IndexOptions,ContextOptions,EncoderOptions}from"./type.js";import Encoder from"./encoder.js";import Cache,{searchCache}from"./cache.js";import Charset from"./charset.js";import{KeystoreMap,KeystoreSet}from"./keystore.js";import{is_array,is_string}from"./common.js";import{exportIndex,importIndex,serialize}from"./serialize.js";import default_encoder from"./charset/latin/default.js";import apply_preset from"./preset.js";import apply_async from"./async.js";import tick from"./profiler.js";import"./index/add.js";import"./index/search.js";import"./index/remove.js";export default function Index(a,b){if(!this||this.constructor!==Index)return new Index(a);!1,a=a?apply_preset(a):{};let c=a.context;const d=!0===c?{depth:1}:c||{},e=is_string(a.encoder)?Charset[a.encoder]:a.encode||a.encoder||default_encoder;this.encoder=e.encode?e:"object"==typeof e?new Encoder(e):{encode:e},this.compress=a.compress||a.compression||!1,this.resolution=a.resolution||9,this.tokenize=c=(c=a.tokenize)&&"default"!==c&&"exact"!==c&&c||"strict",this.depth="strict"===c&&d.depth||0,this.bidirectional=!1!==d.bidirectional,this.fastupdate=!!a.fastupdate,this.score=a.score||null,!1,c=a.keystore||0,c&&(this.keystore=c),this.map=c&&!0?new KeystoreMap(c):new Map,this.ctx=c&&!0?new KeystoreMap(c):new Map,this.reg=b||(this.fastupdate?c&&!0?new KeystoreMap(c):new Map:c&&!0?new KeystoreSet(c):new Set),this.resolution_ctx=d.resolution||3,this.rtl=e.rtl||a.rtl||!1,this.cache=(c=a.cache||null)&&new Cache(c),this.resolve=!1!==a.resolve,(c=a.db)&&(this.db=this.mount(c)),this.commit_auto=!1!==a.commit,this.commit_task=[],this.commit_timer=null,this.priority=a.priority||4}Index.prototype.mount=function(a){return this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null),a.mount(this)},Index.prototype.commit=function(a,b){return this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null),this.db.commit(this,a,b)},Index.prototype.destroy=function(){return this.commit_timer&&(clearTimeout(this.commit_timer),this.commit_timer=null),this.db.destroy()};export function autoCommit(a,b,c){a.commit_timer||(a.commit_timer=setTimeout(function(){a.commit_timer=null,a.db.commit(a,b,c)},1))}Index.prototype.clear=function(){return this.map.clear(),this.ctx.clear(),this.reg.clear(),this.cache&&this.cache.clear(),this.db&&(this.commit_timer&&clearTimeout(this.commit_timer),this.commit_timer=null,this.commit_task=[{clear:!0}]),this},Index.prototype.append=function(a,b){return this.add(a,b,!0)},Index.prototype.contain=function(a){return this.db?this.db.has(a):this.reg.has(a)},Index.prototype.update=function(a,b){const c=this,d=this.remove(a);return d&&d.then?d.then(()=>c.add(a,b)):this.add(a,b)};function cleanup_index(a){let b=0;if(is_array(a))for(let c,d=0;d<a.length;d++)(c=a[d])&&(b+=c.length);else for(const c of a.entries()){const d=c[0],e=c[1],f=cleanup_index(e);f?b+=f:a.delete(d)}return b}Index.prototype.cleanup=function(){return this.fastupdate?(cleanup_index(this.map),this.depth&&cleanup_index(this.ctx),this):(!1,this)},Index.prototype.searchCache=searchCache,Index.prototype.export=exportIndex,Index.prototype.import=importIndex,Index.prototype.serialize=serialize,apply_async(Index.prototype);
\ No newline at end of file
diff --git a/dist/module-min/index/add.js b/dist/module-min/index/add.js
index 929a81a..8180c36 100644
--- a/dist/module-min/index/add.js
+++ b/dist/module-min/index/add.js
@@ -1 +1 @@
-import{create_object}from"../common.js";import Index,{autoCommit}from"../index.js";import default_compress from"../compress.js";import{KeystoreArray}from"../keystore.js";Index.prototype.add=function(a,b,c,d){if(b&&(a||0===a)){if(!d&&!c&&this.reg.has(a))return this.update(a,b);b=this.encoder.encode(b);const e=b.length;if(e){const d=create_object(),f=create_object(),g=this.depth,h=this.resolution;for(let j=0;j<e;j++){let i=b[this.rtl?e-1-j:j],k=i.length;if(k&&(g||!f[i])){let l=this.score?this.score(b,i,j,null,0):get_score(h,e,j),m="";switch(this.tokenize){case"full":if(2<k){for(let d,g=0;g<k;g++)for(let l=k;l>g;l--){m=i.substring(g,l),d=this.rtl?k-1-g:g;const n=this.score?this.score(b,i,j,m,d):get_score(h,e,j,k,d);this.push_index(f,m,n,a,c)}break}case"reverse":if(1<k){for(let d=k-1;0<d;d--){m=i[this.rtl?k-1-d:d]+m;const g=this.score?this.score(b,i,j,m,d):get_score(h,e,j,k,d);this.push_index(f,m,g,a,c)}m=""}case"forward":if(1<k){for(let b=0;b<k;b++)m+=i[this.rtl?k-1-b:b],this.push_index(f,m,l,a,c);break}default:if(this.push_index(f,i,l,a,c),g&&1<e&&j<e-1){const f=create_object(),h=this.resolution_ctx,k=i,l=Math.min(g+1,this.rtl?j+1:e-j);f[k]=1;for(let g=1;g<l;g++)if(i=b[this.rtl?e-1-j-g:j+g],i&&!f[i]){f[i]=1;const m=this.score?this.score(b,k,j,i,g-1):get_score(h+(e/2>h?0:1),e,j,l-1,g-1),n=this.bidirectional&&i>k;this.push_index(d,n?k:i,m,a,c,n?i:k)}}}}}this.fastupdate||this.reg.add(a)}else b=""}return this.db&&(b||this.commit_task.push({del:a}),this.commit_auto&&autoCommit(this)),this},Index.prototype.push_index=function(a,b,c,d,e,f){let g,h=f?this.ctx:this.map;if((!a[b]||f&&!(g=a[b])[f])&&(f?(a=g||(a[b]=create_object()),a[f]=1,this.compress&&(f=default_compress(f)),g=h.get(f),g?h=g:h.set(f,h=new Map)):a[b]=1,this.compress&&(b=default_compress(b)),g=h.get(b),g?h=g:h.set(b,h=g=[]),h=h[c]||(h[c]=[]),!e||!h.includes(d))){if(2147483647===h.length){const a=new KeystoreArray(h);if(this.fastupdate)for(let b of this.reg.values())b.includes(h)&&(b[b.indexOf(h)]=a);g[c]=h=a}if(h.push(d),this.fastupdate){const a=this.reg.get(d);a?a.push(h):this.reg.set(d,[h])}}};function get_score(a,b,c,d,e){return c&&1<a?b+(d||0)<=a?c+(e||0):0|(a-1)/(b+(d||0))*(c+(e||0))+1:0}
\ No newline at end of file
+import{create_object}from"../common.js";import Index,{autoCommit}from"../index.js";import default_compress from"../compress.js";import{KeystoreArray}from"../keystore.js";Index.prototype.add=function(a,b,c,d){if(b&&(a||0===a)){if(!d&&!c&&this.reg.has(a))return this.update(a,b);b=this.encoder.encode(b);const e=b.length;if(e){const d=create_object(),f=create_object(),g=this.depth,h=this.resolution;for(let j=0;j<e;j++){let i=b[this.rtl?e-1-j:j],k=i.length;if(k&&(g||!f[i])){let l=this.score?this.score(b,i,j,null,0):get_score(h,e,j),m="";switch(this.tokenize){case"full":if(2<k){for(let d,g=0;g<k;g++)for(let l=k;l>g;l--){m=i.substring(g,l),d=this.rtl?k-1-g:g;const n=this.score?this.score(b,i,j,m,d):get_score(h,e,j,k,d);this.push_index(f,m,n,a,c)}break}case"bidirectional":case"reverse":if(1<k){for(let d=k-1;0<d;d--){m=i[this.rtl?k-1-d:d]+m;const g=this.score?this.score(b,i,j,m,d):get_score(h,e,j,k,d);this.push_index(f,m,g,a,c)}m=""}case"forward":if(1<k){for(let b=0;b<k;b++)m+=i[this.rtl?k-1-b:b],this.push_index(f,m,l,a,c);break}default:if(this.push_index(f,i,l,a,c),g&&1<e&&j<e-1){const f=create_object(),h=this.resolution_ctx,k=i,l=Math.min(g+1,this.rtl?j+1:e-j);f[k]=1;for(let g=1;g<l;g++)if(i=b[this.rtl?e-1-j-g:j+g],i&&!f[i]){f[i]=1;const m=this.score?this.score(b,k,j,i,g-1):get_score(h+(e/2>h?0:1),e,j,l-1,g-1),n=this.bidirectional&&i>k;this.push_index(d,n?k:i,m,a,c,n?i:k)}}}}}this.fastupdate||this.reg.add(a)}else b=""}return this.db&&(b||this.commit_task.push({del:a}),this.commit_auto&&autoCommit(this)),this},Index.prototype.push_index=function(a,b,c,d,e,f){let g,h=f?this.ctx:this.map;if((!a[b]||f&&!(g=a[b])[f])&&(f?(a=g||(a[b]=create_object()),a[f]=1,this.compress&&(f=default_compress(f)),g=h.get(f),g?h=g:h.set(f,h=new Map)):a[b]=1,this.compress&&(b=default_compress(b)),g=h.get(b),g?h=g:h.set(b,h=g=[]),h=h[c]||(h[c]=[]),!e||!h.includes(d))){if(2147483647===h.length){const a=new KeystoreArray(h);if(this.fastupdate)for(let b of this.reg.values())b.includes(h)&&(b[b.indexOf(h)]=a);g[c]=h=a}if(h.push(d),this.fastupdate){const a=this.reg.get(d);a?a.push(h):this.reg.set(d,[h])}}};function get_score(a,b,c,d,e){return c&&1<a?b+(d||0)<=a?c+(e||0):0|(a-1)/(b+(d||0))*(c+(e||0))+1:0}
\ No newline at end of file
diff --git a/dist/module/charset.js b/dist/module/charset.js
index ae8cf2a..1b9b560 100644
--- a/dist/module/charset.js
+++ b/dist/module/charset.js
@@ -5,60 +5,33 @@ import charset_latin_balance from "./charset/latin/balance.js";
 import charset_latin_advanced from "./charset/latin/advanced.js";
 import charset_latin_extra from "./charset/latin/extra.js";
 import charset_latin_soundex from "./charset/latin/soundex.js";
-import charset_arabic_default from "./charset/arabic/default.js";
-import charset_cjk_default from "./charset/cjk/default.js";
-import charset_cyrillic_default from "./charset/cyrillic/default.js";
 
-export const LatinExact = charset_latin_exact;
-export const LatinDefault = charset_latin_default;
-export const LatinSimple = charset_latin_simple;
+// all charset
+export const Exact = charset_latin_exact;
+export const Default = charset_latin_default;
+export const Normalize = charset_latin_simple;
+// latin charset
 export const LatinBalance = charset_latin_balance;
 export const LatinAdvanced = charset_latin_advanced;
 export const LatinExtra = charset_latin_extra;
 export const LatinSoundex = charset_latin_soundex;
-export const ArabicDefault = charset_arabic_default;
-export const CjkDefault = charset_cjk_default;
-export const CyrillicDefault = charset_cyrillic_default;
-
-// export const global_lang = create_object();
-//export const global_charset = create_object();
+// deprecated
+export const LatinExact = charset_latin_exact;
+export const LatinDefault = charset_latin_default;
+export const LatinSimple = charset_latin_simple;
 
 export default {
-  LatinExact: charset_latin_exact,
-  LatinDefault: charset_latin_default,
-  LatinSimple: charset_latin_simple,
-  LatinBalance: charset_latin_balance,
-  LatinAdvanced: charset_latin_advanced,
-  LatinExtra: charset_latin_extra,
-  LatinSoundex: charset_latin_soundex,
-  ArabicDefault: charset_arabic_default,
-  CjkDefault: charset_cjk_default,
-  CyrillicDefault: charset_cyrillic_default
-};
-
-// global_charset["latin:exact"] = charset_exact;
-// global_charset["latin:default"] = charset_default;
-// global_charset["latin:simple"] = charset_simple;
-// global_charset["latin:balance"] = charset_balance;
-// global_charset["latin:advanced"] = charset_advanced;
-// global_charset["latin:extra"] = charset_extra;
-// global_charset["latin:soundex"] = charset_soundex;
-
-
-/**
- * @param {!string} name
- * @param {Object} charset
- */
-
-// export function registerCharset(name, charset){
-//     global_charset[name] = charset;
-// }
-
-/**
- * @param {!string} name
- * @param {Object} lang
- */
-
-// export function registerLanguage(name, lang){
-//     global_lang[name] = lang;
-// }
\ No newline at end of file
+    // all charset
+    Exact: charset_latin_exact,
+    Default: charset_latin_default,
+    Normalize: charset_latin_simple,
+    // latin charset
+    LatinBalance: charset_latin_balance,
+    LatinAdvanced: charset_latin_advanced,
+    LatinExtra: charset_latin_extra,
+    LatinSoundex: charset_latin_soundex,
+    // deprecated
+    LatinExact: charset_latin_exact,
+    LatinDefault: charset_latin_default,
+    LatinSimple: charset_latin_simple
+};
\ No newline at end of file
diff --git a/dist/module/charset/arabic/default.js b/dist/module/charset/arabic/default.js
deleted file mode 100644
index 2dae8cf..0000000
--- a/dist/module/charset/arabic/default.js
+++ /dev/null
@@ -1,17 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g,
-      split = /\s+/,
-      options = {
-    // the string is already encoded as RTL by default
-    //rtl: true,
-    normalize: !1,
-    dedupe: !0,
-    prepare: function (str) {
-        return ("" + str).replace(regex, " ");
-    }
-};
-
-/** @type EncoderOptions */
-
-export default options;
\ No newline at end of file
diff --git a/dist/module/charset/cjk/default.js b/dist/module/charset/cjk/default.js
deleted file mode 100644
index 7e1a110..0000000
--- a/dist/module/charset/cjk/default.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g,
-      options = {
-    normalize: !1,
-    dedupe: !0,
-    split: "",
-    prepare: function (str) {
-        return ("" + str).replace(regex, "");
-    }
-};
-
-/** @type EncoderOptions */
-
-export default options;
\ No newline at end of file
diff --git a/dist/module/charset/cyrillic/default.js b/dist/module/charset/cyrillic/default.js
deleted file mode 100644
index f2937b2..0000000
--- a/dist/module/charset/cyrillic/default.js
+++ /dev/null
@@ -1,14 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g,
-      options = {
-    normalize: !1,
-    dedupe: !0,
-    prepare: function (str) {
-        return ("" + str).replace(regex, " ");
-    }
-};
-
-/** @type EncoderOptions */
-
-export default options;
\ No newline at end of file
diff --git a/dist/module/charset/latin/default.js b/dist/module/charset/latin/default.js
index 29822e5..4ba0cad 100644
--- a/dist/module/charset/latin/default.js
+++ b/dist/module/charset/latin/default.js
@@ -2,10 +2,10 @@ import { EncoderOptions } from "../../type.js";
 
 /** @type EncoderOptions */
 const options = {
-    normalize: function (str) {
-        return str.toLowerCase();
-    }
-    //numeric: false,
+    normalize: !0
+    // normalize: function(str){
+    //     return str.toLowerCase();
+    // },
     //dedupe: false
 };
 export default options;
\ No newline at end of file
diff --git a/dist/module/charset/latin/exact.js b/dist/module/charset/latin/exact.js
index 32d91cb..9fa871f 100644
--- a/dist/module/charset/latin/exact.js
+++ b/dist/module/charset/latin/exact.js
@@ -2,8 +2,10 @@ import { EncoderOptions } from "../../type.js";
 
 /** @type EncoderOptions */
 const options = {
-    split: /\s+/,
-    normalize: !1
+    normalize: !1,
+    numeric: !1,
+    split: /\s+/
+    //normalize: false,
     //dedupe: false
 };
 export default options;
\ No newline at end of file
diff --git a/dist/module/encoder.js b/dist/module/encoder.js
index 62c0b1e..0d18ae0 100644
--- a/dist/module/encoder.js
+++ b/dist/module/encoder.js
@@ -49,7 +49,7 @@ const whitespace = /[^\p{L}\p{N}]+/u,
       numeric_split_length = /(\d{3})/g,
       numeric_split_prev_char = /(\D)(\d{3})/g,
       numeric_split_next_char = /(\d{3})(\D)/g,
-      normalize = /[\u0300-\u036f]/g; // /[\p{Z}\p{S}\p{P}\p{C}]+/u;
+      normalize = /*"".normalize &&*//[\u0300-\u036f]/g; // /[\p{Z}\p{S}\p{P}\p{C}]+/u;
 //const numeric_split = /(\d{3})/g;
 
 //.replace(/(\d{3})/g, "$1 ")
@@ -176,10 +176,13 @@ Encoder.prototype.assign = function (options) {
     this.finalize = /** @type {Function|null} */merge_option(options.finalize, null, this.finalize);
 
     // assign the normalization fallback to the mapper
-    if (!normalize) {
-        this.mapper = new Map(
-        /** @type {Array<Array<string, string>>} */normalize_polyfill);
-    }
+    // if(SUPPORT_CHARSET && !normalize){
+    //     this.mapper = new Map(
+    //         /** @type {Array<Array<string, string>>} */ (
+    //             normalize_polyfill
+    //         )
+    //     );
+    // }
 
     tmp = options.filter;
     this.filter = "function" == typeof tmp ? tmp : merge_option(tmp && new Set(tmp), null, this.filter);
@@ -193,6 +196,7 @@ Encoder.prototype.assign = function (options) {
     this.rtl = merge_option(options.rtl, !1, this.rtl);
 
     // auto-balanced cache
+    //if(SUPPORT_CACHE){
     this.cache = tmp = merge_option(options.cache, !0, this.cache);
     if (tmp) {
         this.timer = null;
@@ -202,6 +206,7 @@ Encoder.prototype.assign = function (options) {
         this.cache_enc_length = 128;
         this.cache_term_length = 128;
     }
+    //}
 
     // regex temporary state
     this.matcher_str = "";
@@ -247,7 +252,7 @@ Encoder.prototype.addStemmer = function (match, replace) {
     this.stemmer.set(match, replace);
     this.stemmer_str += (this.stemmer_str ? "|" : "") + match;
     this.stemmer_test = null;
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -259,7 +264,7 @@ Encoder.prototype.addFilter = function (term) {
         this.filter || (this.filter = new Set());
         this.filter.add(term);
     }
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -281,7 +286,7 @@ Encoder.prototype.addMapper = function (char_match, char_replace) {
     }
     this.mapper || (this.mapper = new Map());
     this.mapper.set(char_match, char_replace);
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -306,7 +311,7 @@ Encoder.prototype.addMatcher = function (match, replace) {
     this.matcher.set(match, replace);
     this.matcher_str += (this.matcher_str ? "|" : "") + match;
     this.matcher_test = null;
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -322,7 +327,7 @@ Encoder.prototype.addReplacer = function (regex, replace) {
     }
     this.replacer || (this.replacer = []);
     this.replacer.push(regex, replace);
-    this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/this.cache && clear(this);
     return this;
 };
 
@@ -335,7 +340,7 @@ Encoder.prototype.encode = function (str) {
     //if(!str) return str;
     // todo remove dupe terms
 
-    if (this.cache && str.length <= this.cache_enc_length) {
+    if ( /*SUPPORT_CACHE &&*/this.cache && str.length <= this.cache_enc_length) {
         if (this.timer) {
             if (this.cache_enc.has(str)) {
                 return this.cache_enc.get(str);
@@ -402,7 +407,7 @@ Encoder.prototype.encode = function (str) {
             continue;
         }
 
-        if (this.cache && word.length <= this.cache_term_length) {
+        if ( /*SUPPORT_CACHE &&*/this.cache && word.length <= this.cache_term_length) {
             if (this.timer) {
                 const tmp = this.cache_term.get(word);
                 if (tmp || "" === tmp) {
@@ -477,7 +482,7 @@ Encoder.prototype.encode = function (str) {
         //word = word.replace(/(.)\1+/g, "$1");
         //word = word.replace(/(?<=(.))\1+/g, "");
 
-        if (this.cache && base.length <= this.cache_term_length) {
+        if ( /*SUPPORT_CACHE &&*/this.cache && base.length <= this.cache_term_length) {
             this.cache_term.set(base, word);
             if (this.cache_term.size > this.cache_size) {
                 this.cache_term.clear();
@@ -492,7 +497,7 @@ Encoder.prototype.encode = function (str) {
         final = this.finalize(final) || final;
     }
 
-    if (this.cache && str.length <= this.cache_enc_length) {
+    if ( /*SUPPORT_CACHE &&*/this.cache && str.length <= this.cache_enc_length) {
         this.cache_enc.set(str, final);
         if (this.cache_enc.size > this.cache_size) {
             this.cache_enc.clear();
diff --git a/dist/module/index.js b/dist/module/index.js
index 4aa1ce7..7c3c6be 100644
--- a/dist/module/index.js
+++ b/dist/module/index.js
@@ -48,7 +48,7 @@ export default function Index(options, _register) {
 
 
     this.resolution = options.resolution || 9;
-    this.tokenize = tmp = (tmp = options.tokenize) && "default" !== tmp && tmp || "strict";
+    this.tokenize = tmp = (tmp = options.tokenize) && "default" !== tmp && "exact" !== tmp && tmp || "strict";
     this.depth = "strict" === tmp && context.depth || 0;
     this.bidirectional = !1 !== context.bidirectional;
     this.fastupdate = !!options.fastupdate;
diff --git a/dist/module/index/add.js b/dist/module/index/add.js
index 211c72c..60435fe 100644
--- a/dist/module/index/add.js
+++ b/dist/module/index/add.js
@@ -72,6 +72,7 @@ Index.prototype.add = function (id, content, _append, _skip_update) {
                                 break;
                             }
                         // fallthrough to next case when term length < 3
+                        case "bidirectional":
                         case "reverse":
                             // skip last round (this token exist already in "forward")
                             if (1 < term_length) {
diff --git a/index.d.ts b/index.d.ts
index 6d5d732..808e088 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -35,28 +35,30 @@ declare module "flexsearch" {
      * * Add custom tokenizer: https://github.com/nextapps-de/flexsearch#add-custom-tokenizer
      */
     type Tokenizer =
-        | "strict"
+        | "strict" | "exact" | "default"
         | "forward"
-        | "reverse"
-        | "full"
-        | "default";
+        | "reverse" | "bidirectional"
+        | "full";
 
     /**
      * **Document:**
      * * Encoders: https://github.com/nextapps-de/flexsearch#encoders
      */
     type Encoders =
+        | "Exact"
+        | "Default"
+        | "Normalize"
+        /** @deprecated */
         | "LatinExact"
+        /** @deprecated */
         | "LatinDefault"
+        /** @deprecated */
         | "LatinSimple"
         | "LatinBalance"
         | "LatinAdvanced"
         | "LatinExtra"
         | "LatinSoundex"
-        | "ArabicDefault"
-        | "CjkDefault"
-        | "CryllicDefault"
-        | ((x: string) => string[]);
+        | ((term: string) => string[]);
 
     /**
      * **Document:**
@@ -93,7 +95,7 @@ declare module "flexsearch" {
         field?: FieldName | FieldName[] | FieldOptions | Array<FieldOptions>;
         index?: FieldName | FieldName[] | FieldOptions | Array<FieldOptions>;
         tag?: FieldName | FieldName[] | TagOptions | Array<TagOptions>;
-        store?: FieldName | FieldName[] | StoreOptions | Array<StoreOptions>;
+        store?: FieldName | FieldName[] | StoreOptions | Array<StoreOptions> | boolean;
     };
 
     type WorkerURL = string;
@@ -581,3 +583,8 @@ declare module "flexsearch" {
         db: IDBDatabase
     }
 }
+
+// https://www.typescriptlang.org/docs/handbook/jsdoc-supported-types.html
+// https://github.com/futurGH/ts-to-jsdoc
+// https://sethmac.com/typescript-to-jsdoc/
+
diff --git a/package.json b/package.json
index d52e0f6..b8d7f4b 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "public": true,
   "preferGlobal": false,
   "name": "flexsearch",
-  "version": "0.8.142",
+  "version": "0.8.143",
   "description": "Next-Generation full-text search library for Browser and Node.js",
   "homepage": "https://github.com/nextapps-de/flexsearch/",
   "author": "Thomas Wilkerling",
@@ -68,8 +68,8 @@
     "build:bundle:debug": "node task/build RELEASE=bundle DEBUG=true PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=false SUPPORT_PERSISTENT=true SUPPORT_RESOLVER=true SUPPORT_KEYSTORE=true SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
     "build:compact": "node task/build RELEASE=compact DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false",
     "build:compact:debug": "node task/build RELEASE=compact DEBUG=true PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
-    "build:light": "node task/build RELEASE=light DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=true SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false",
-    "build:light:debug": "node task/build RELEASE=light DEBUG=true PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=true SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
+    "build:light": "node task/build RELEASE=light DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false",
+    "build:light:debug": "node task/build RELEASE=light DEBUG=true PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
     "build:es5": "node task/build RELEASE=es5 DEBUG=false PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=true SUPPORT_PERSISTENT=true SUPPORT_RESOLVER=true SUPPORT_KEYSTORE=true SUPPORT_COMPRESSION=false LANGUAGE_OUT=ECMASCRIPT5_STRICT",
     "build:es5:debug": "node task/build RELEASE=es5 DEBUG=true PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=true SUPPORT_PERSISTENT=true SUPPORT_RESOLVER=true SUPPORT_KEYSTORE=true SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT LANGUAGE_OUT=ECMASCRIPT5_STRICT",
     "build:lang": "node task/build RELEASE=lang",
@@ -81,8 +81,8 @@
     "build:module:bundle:debug": "node task/build RELEASE=bundle.module DEBUG=true PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=false SUPPORT_PERSISTENT=true SUPPORT_RESOLVER=true SUPPORT_KEYSTORE=true SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
     "build:module:compact": "node task/build RELEASE=compact.module DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false",
     "build:module:compact:debug": "node task/build RELEASE=compact.module DEBUG=true PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_STORE=true SUPPORT_TAGS=true SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=true SUPPORT_DOCUMENT=true POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
-    "build:module:light": "node task/build RELEASE=light.module DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=true SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false",
-    "build:module:light:debug": "node task/build RELEASE=light.module DEBUG=true PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=true SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
+    "build:module:light": "node task/build RELEASE=light.module DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false",
+    "build:module:light:debug": "node task/build RELEASE=light.module DEBUG=true PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CHARSET=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_STORE=false SUPPORT_TAGS=false SUPPORT_SUGGESTION=true SUPPORT_SERIALIZE=false SUPPORT_DOCUMENT=false POLYFILL=false SUPPORT_PERSISTENT=false SUPPORT_RESOLVER=false SUPPORT_KEYSTORE=false SUPPORT_COMPRESSION=false FORMATTING=PRETTY_PRINT",
     "build:all": "npm run build:bundle && npm run build:bundle:debug && npm run build:light && npm run build:light:debug && npm run build:compact && npm run build:compact:debug && npm run build:module && npm run build:module:debug && npm run build:module:min && npm run build:module:bundle && npm run build:module:bundle:debug && npm run build:module:light && npm run build:module:light:debug && npm run build:module:compact && npm run build:module:compact:debug && npm run build:es5 && npm run build:es5:debug && npm run build:lang && npm run build:db",
     "build:custom": "node task/build RELEASE=custom",
     "test:all": "cd test/ && npm install && npm run test:all && cd ..",
diff --git a/src/charset.js b/src/charset.js
index a3acb5a..8b84572 100644
--- a/src/charset.js
+++ b/src/charset.js
@@ -5,60 +5,33 @@ import charset_latin_balance from "./charset/latin/balance.js";
 import charset_latin_advanced from "./charset/latin/advanced.js";
 import charset_latin_extra from "./charset/latin/extra.js";
 import charset_latin_soundex from "./charset/latin/soundex.js";
-import charset_arabic_default from "./charset/arabic/default.js";
-import charset_cjk_default from "./charset/cjk/default.js";
-import charset_cyrillic_default from "./charset/cyrillic/default.js";
 
-export const LatinExact = charset_latin_exact;
-export const LatinDefault = charset_latin_default;
-export const LatinSimple = charset_latin_simple;
+// all charset
+export const Exact = charset_latin_exact;
+export const Default = charset_latin_default;
+export const Normalize = charset_latin_simple;
+// latin charset
 export const LatinBalance = charset_latin_balance;
 export const LatinAdvanced = charset_latin_advanced;
 export const LatinExtra = charset_latin_extra;
 export const LatinSoundex = charset_latin_soundex;
-export const ArabicDefault = charset_arabic_default;
-export const CjkDefault = charset_cjk_default;
-export const CyrillicDefault = charset_cyrillic_default;
-
-// export const global_lang = create_object();
-//export const global_charset = create_object();
+// deprecated
+export const LatinExact = charset_latin_exact;
+export const LatinDefault = charset_latin_default;
+export const LatinSimple = charset_latin_simple;
 
 export default {
-    LatinExact: charset_latin_exact,
-    LatinDefault: charset_latin_default,
-    LatinSimple: charset_latin_simple,
+    // all charset
+    Exact: charset_latin_exact,
+    Default: charset_latin_default,
+    Normalize: charset_latin_simple,
+    // latin charset
     LatinBalance: charset_latin_balance,
     LatinAdvanced: charset_latin_advanced,
     LatinExtra: charset_latin_extra,
     LatinSoundex: charset_latin_soundex,
-    ArabicDefault: charset_arabic_default,
-    CjkDefault: charset_cjk_default,
-    CyrillicDefault: charset_cyrillic_default
+    // deprecated
+    LatinExact: charset_latin_exact,
+    LatinDefault: charset_latin_default,
+    LatinSimple: charset_latin_simple,
 };
-
-// global_charset["latin:exact"] = charset_exact;
-// global_charset["latin:default"] = charset_default;
-// global_charset["latin:simple"] = charset_simple;
-// global_charset["latin:balance"] = charset_balance;
-// global_charset["latin:advanced"] = charset_advanced;
-// global_charset["latin:extra"] = charset_extra;
-// global_charset["latin:soundex"] = charset_soundex;
-
-
-/**
- * @param {!string} name
- * @param {Object} charset
- */
-
-// export function registerCharset(name, charset){
-//     global_charset[name] = charset;
-// }
-
-/**
- * @param {!string} name
- * @param {Object} lang
- */
-
-// export function registerLanguage(name, lang){
-//     global_lang[name] = lang;
-// }
diff --git a/src/charset/arabic/default.js b/src/charset/arabic/default.js
deleted file mode 100644
index 2d71351..0000000
--- a/src/charset/arabic/default.js
+++ /dev/null
@@ -1,16 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g;
-const split = /\s+/;
-
-/** @type EncoderOptions */
-const options = {
-    // the string is already encoded as RTL by default
-    //rtl: true,
-    normalize: false,
-    dedupe: true,
-    prepare: function(str){
-        return ("" + str).replace(regex, " ")
-    }
-};
-export default options;
diff --git a/src/charset/cjk/default.js b/src/charset/cjk/default.js
deleted file mode 100644
index f3b8338..0000000
--- a/src/charset/cjk/default.js
+++ /dev/null
@@ -1,14 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g;
-
-/** @type EncoderOptions */
-const options = {
-    normalize: false,
-    dedupe: true,
-    split: "",
-    prepare: function(str){
-        return ("" + str).replace(regex, "")
-    }
-};
-export default options;
diff --git a/src/charset/cyrillic/default.js b/src/charset/cyrillic/default.js
deleted file mode 100644
index 18cc7a1..0000000
--- a/src/charset/cyrillic/default.js
+++ /dev/null
@@ -1,13 +0,0 @@
-import { EncoderOptions } from "../../type.js";
-// non ascii control chars 0-31
-const regex = /[\x00-\x7F]+/g;
-
-/** @type EncoderOptions */
-const options = {
-    normalize: false,
-    dedupe: true,
-    prepare: function(str){
-        return ("" + str).replace(regex, " ")
-    }
-};
-export default options;
diff --git a/src/charset/latin/default.js b/src/charset/latin/default.js
index 4c55e28..3fd6dd9 100644
--- a/src/charset/latin/default.js
+++ b/src/charset/latin/default.js
@@ -2,10 +2,10 @@ import { EncoderOptions } from "../../type.js";
 
 /** @type EncoderOptions */
 const options = {
-    normalize: function(str){
-        return str.toLowerCase();
-    },
-    //numeric: false,
+    normalize: true
+    // normalize: function(str){
+    //     return str.toLowerCase();
+    // },
     //dedupe: false
 };
 export default options;
diff --git a/src/charset/latin/exact.js b/src/charset/latin/exact.js
index aefdb18..5f7adb2 100644
--- a/src/charset/latin/exact.js
+++ b/src/charset/latin/exact.js
@@ -2,8 +2,10 @@ import { EncoderOptions } from "../../type.js";
 
 /** @type EncoderOptions */
 const options = {
-    split: /\s+/,
     normalize: false,
+    numeric: false,
+    split: /\s+/
+    //normalize: false,
     //dedupe: false
 };
 export default options;
\ No newline at end of file
diff --git a/src/encoder.js b/src/encoder.js
index c637bd5..217db51 100644
--- a/src/encoder.js
+++ b/src/encoder.js
@@ -59,7 +59,7 @@ const numeric_split_next_char = /(\d{3})(\D)/g;
 //.replace(/(\d{3})/g, "$1 ")
 //.replace(/([^\d])([\d])/g, "$1 $2")
 //.replace(/([\d])([^\d])/g, "$1 $2")
-const normalize = "".normalize && /[\u0300-\u036f]/g; // '´`’ʼ.,
+const normalize = /*"".normalize &&*/ /[\u0300-\u036f]/g; // '´`’ʼ.,
 //const normalize_mapper = SUPPORT_CHARSET && !normalize && normalize_polyfill;
 
 /**
@@ -201,13 +201,13 @@ Encoder.prototype.assign = function(options){
     );
 
     // assign the normalization fallback to the mapper
-    if(SUPPORT_CHARSET && !normalize){
-        this.mapper = new Map(
-            /** @type {Array<Array<string, string>>} */ (
-                normalize_polyfill
-            )
-        );
-    }
+    // if(SUPPORT_CHARSET && !normalize){
+    //     this.mapper = new Map(
+    //         /** @type {Array<Array<string, string>>} */ (
+    //             normalize_polyfill
+    //         )
+    //     );
+    // }
 
     tmp = options.filter;
     this.filter = typeof tmp === "function" ? tmp : merge_option(tmp && new Set(tmp), null, this.filter);
@@ -221,7 +221,7 @@ Encoder.prototype.assign = function(options){
     this.rtl = merge_option(options.rtl, false, this.rtl);
 
     // auto-balanced cache
-    if(SUPPORT_CACHE){
+    //if(SUPPORT_CACHE){
         this.cache = tmp = merge_option(options.cache, true, this.cache);
         if(tmp){
             this.timer = null;
@@ -231,7 +231,7 @@ Encoder.prototype.assign = function(options){
             this.cache_enc_length = 128;
             this.cache_term_length = 128;
         }
-    }
+    //}
 
     // regex temporary state
     this.matcher_str = "";
@@ -277,7 +277,7 @@ Encoder.prototype.addStemmer = function(match, replace){
     this.stemmer.set(match, replace);
     this.stemmer_str += (this.stemmer_str ? "|" : "") + match;
     this.stemmer_test = null;
-    SUPPORT_CACHE && this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/ this.cache && clear(this);
     return this;
 };
 
@@ -290,7 +290,7 @@ Encoder.prototype.addFilter = function(term){
         this.filter || (this.filter = new Set());
         this.filter.add(term);
     }
-    SUPPORT_CACHE && this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/ this.cache && clear(this);
     return this;
 };
 
@@ -312,7 +312,7 @@ Encoder.prototype.addMapper = function(char_match, char_replace){
     }
     this.mapper || (this.mapper = new Map());
     this.mapper.set(char_match, char_replace);
-    SUPPORT_CACHE && this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/ this.cache && clear(this);
     return this;
 };
 
@@ -337,7 +337,7 @@ Encoder.prototype.addMatcher = function(match, replace){
     this.matcher.set(match , replace);
     this.matcher_str += (this.matcher_str ? "|" : "") + match;
     this.matcher_test = null;
-    SUPPORT_CACHE && this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/ this.cache && clear(this);
     return this;
 };
 
@@ -353,7 +353,7 @@ Encoder.prototype.addReplacer = function(regex, replace){
     }
     this.replacer || (this.replacer = []);
     this.replacer.push(regex, replace);
-    SUPPORT_CACHE && this.cache && clear(this);
+    /*SUPPORT_CACHE &&*/ this.cache && clear(this);
     return this;
 };
 
@@ -366,7 +366,7 @@ Encoder.prototype.encode = function(str){
     //if(!str) return str;
     // todo remove dupe terms
 
-    if(SUPPORT_CACHE && this.cache && str.length <= this.cache_enc_length){
+    if(/*SUPPORT_CACHE &&*/ this.cache && str.length <= this.cache_enc_length){
         if(this.timer){
             if(this.cache_enc.has(str)){
                 return this.cache_enc.get(str);
@@ -444,7 +444,7 @@ Encoder.prototype.encode = function(str){
             continue;
         }
 
-        if(SUPPORT_CACHE && this.cache && word.length <= this.cache_term_length){
+        if(/*SUPPORT_CACHE &&*/ this.cache && word.length <= this.cache_term_length){
             if(this.timer){
                 const tmp = this.cache_term.get(word);
                 if(tmp || tmp === ""){
@@ -530,7 +530,7 @@ Encoder.prototype.encode = function(str){
         //word = word.replace(/(.)\1+/g, "$1");
         //word = word.replace(/(?<=(.))\1+/g, "");
 
-        if(SUPPORT_CACHE && this.cache && base.length <= this.cache_term_length){
+        if(/*SUPPORT_CACHE &&*/ this.cache && base.length <= this.cache_term_length){
             this.cache_term.set(base, word);
             if(this.cache_term.size > this.cache_size){
                 this.cache_term.clear();
@@ -545,7 +545,7 @@ Encoder.prototype.encode = function(str){
         final = this.finalize(final) || final;
     }
 
-    if(SUPPORT_CACHE && this.cache && str.length <= this.cache_enc_length){
+    if(/*SUPPORT_CACHE &&*/ this.cache && str.length <= this.cache_enc_length){
         this.cache_enc.set(str, final);
         if(this.cache_enc.size > this.cache_size){
             this.cache_enc.clear();
diff --git a/src/index.js b/src/index.js
index 9ef84f9..797311c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -88,7 +88,7 @@ export default function Index(options, _register){
     }
 
     this.resolution = options.resolution || 9;
-    this.tokenize = tmp = ((tmp = options.tokenize) && (tmp !== "default") && tmp) || "strict";
+    this.tokenize = tmp = ((tmp = options.tokenize) && (tmp !== "default") && (tmp !== "exact") && tmp) || "strict";
     this.depth = (tmp === "strict" && context.depth) || 0;
     this.bidirectional = context.bidirectional !== false;
     this.fastupdate = !!options.fastupdate;
diff --git a/src/index/add.js b/src/index/add.js
index 1a7b0fd..0899f7f 100644
--- a/src/index/add.js
+++ b/src/index/add.js
@@ -81,6 +81,7 @@ Index.prototype.add = function(id, content, _append, _skip_update){
                                 break;
                             }
                         // fallthrough to next case when term length < 3
+                        case "bidirectional":
                         case "reverse":
                             // skip last round (this token exist already in "forward")
                             if(term_length > 1){
diff --git a/task/babel.js b/task/babel.js
index 1804ee0..faf16ab 100644
--- a/task/babel.js
+++ b/task/babel.js
@@ -6,7 +6,7 @@ const minify = process.argv[2] && process.argv[2].toLowerCase().includes("releas
 console.log("Start build .....");
 console.log('Bundle: ' + ('module' /* 'custom' */) + (debug ?  ":debug" : (minify ?  ":min" : "")));
 
-fs.rmSync("tmp/", { recursive: true });
+fs.existsSync("tmp") && fs.rmSync("tmp/", { recursive: true });
 fs.mkdirSync("tmp");
 fs.existsSync("dist") || fs.mkdirSync("dist");
 
@@ -49,9 +49,9 @@ fs.existsSync("dist") || fs.mkdirSync("dist");
         "lang",
         "charset/",
         "charset/latin",
-        "charset/arabic",
-        "charset/cjk",
-        "charset/cyrillic"
+        //"charset/arabic",
+        //"charset/cjk",
+        //"charset/cyrillic"
     ];
 
     for(let i = 0, path; i < dirs.length; i++){
diff --git a/task/build.js b/task/build.js
index df5727f..1e9e444 100644
--- a/task/build.js
+++ b/task/build.js
@@ -3,7 +3,7 @@ const fs = require("fs");
 
 console.log("Start build .....");
 
-fs.rmSync("tmp/", { recursive: true });
+fs.existsSync("tmp") && fs.rmSync("tmp/", { recursive: true });
 fs.mkdirSync("tmp");
 fs.existsSync("dist") || fs.mkdirSync("dist");
 
diff --git a/test/encoder.js b/test/encoder.js
index 77dd34b..99c3a58 100644
--- a/test/encoder.js
+++ b/test/encoder.js
@@ -27,29 +27,29 @@ describe("Encoder", function(){
     });
 });
 
-describe("Encoder: Latin Charset", function(){
+describe("Encoder: Charset", function(){
 
-    it("Should have been encoded properly: LatinDefault", function(){
+    it("Should have been encoded properly: Default", function(){
 
-        const index = new Index({ encoder: Charset.LatinDefault });
+        const index = new Index({ encoder: Charset.Default });
         expect(index.encoder.encode("Björn-Phillipp Mayer")).to.eql(
-            ["björn", "phillipp", "mayer"]
+            ["bjorn", "phillipp", "mayer"]
         );
     });
 
     if(!build_light){
 
-        it("Should have been encoded properly: LatinExact", function(){
+        it("Should have been encoded properly: Exact", function(){
 
-            const index = new Index({ encoder: Charset.LatinExact });
+            const index = new Index({ encoder: Charset.Exact });
             expect(index.encoder.encode("Björn-Phillipp Mayer")).to.eql(
                 ["Björn-Phillipp", "Mayer"]
             );
         });
 
-        it("Should have been encoded properly: LatinSimple", function(){
+        it("Should have been encoded properly: Normalize", function(){
 
-            const index = new Index({ encoder: Charset.LatinSimple });
+            const index = new Index({ encoder: Charset.Normalize });
             expect(index.encoder.encode("Björn-Phillipp Mayer")).to.eql(
                 index.encoder.encode("bjorn/phillipp mayer")
             );
@@ -99,14 +99,11 @@ describe("Encoder: Latin Charset", function(){
     });
 });
 
-describe("Encoder: CJK Word Break", function(){
+describe("Encoder: CJK Charset", function(){
 
     it("Should have been tokenized properly", function(){
 
-        const index = Index({
-            encoder: Charset.CjkDefault,
-            tokenize: "forward"
-        });
+        const index = Index({ tokenize: "forward" });
 
         index.add(0, "서울시가 잠이 든 시간에 아무 말, 미뤄, 미뤄");
         expect(index.search("든")).to.include(0);
@@ -117,14 +114,11 @@ describe("Encoder: CJK Word Break", function(){
     });
 });
 
-describe("Encoder: Cyrillic Word Break", function(){
+describe("Encoder: Cyrillic Charset", function(){
 
     it("Should have been tokenized properly", function(){
 
-        const index = Index({
-            encoder: Charset.CyrillicDefault,
-            tokenize: "forward"
-        });
+        const index = Index({ tokenize: "forward" });
 
         index.add(0, "Фообар");
         expect(index.search("Фообар")).to.include(0);
@@ -132,28 +126,33 @@ describe("Encoder: Cyrillic Word Break", function(){
     });
 });
 
-describe("Encoder: Arabic Word Break", function(){
+describe("Encoder: Arabic Charset", function(){
 
     it("Should have been tokenized properly", function(){
 
-        let index = Index({
-            encoder: Charset.ArabicDefault,
-            tokenize: "forward"
-        });
+        let index = Index({ tokenize: "forward" });
 
         index.add(0, "لكن لا بد أن أوضح لك أن كل");
         expect(index.search("بد أن")).to.include(0);
         expect(index.search("أو")).to.include(0);
-        index = Index({
-            encoder: Charset.ArabicDefault,
-            tokenize: "reverse"
-        });
+
+        index = Index({ tokenize: "reverse" });
 
         index.add(0, "لكن لا بد أن أوضح لك أن كل");
         expect(index.search("ضح")).to.include(0);
     });
 });
 
+describe("Encoder: Greek Charset", function(){
+
+    it("Should have been tokenized properly", function(){
+
+        const index = Index({ tokenize: "forward" });
+        index.add(0, "Μήγαρις ἔχω ἄλλο στὸ νοῦ μου πάρεξ ἐλευθερία καὶ γλώσσα");
+        expect(index.search("Μηγαρις εχω αλλο στο νου μου παρε ελευθ και γλωσσα")).to.include(0);
+    });
+});
+
 describe("Encoder: Right-to-Left", function(){
 
     it("Should have been scored properly", function(){