From 66a215ad59192db2833fde40b37aaec8b2760cb7 Mon Sep 17 00:00:00 2001
From: Thomas Wilkerling <thomas@nextapps.de>
Date: Thu, 20 May 2021 14:04:29 +0200
Subject: [PATCH] fix circular module dependencies

---
 dist/flexsearch.min.js        | 40 +++++++++++++-------------
 doc/0.7.0.md                  | 12 +-------
 src/async.js                  |  2 --
 src/cache.js                  |  5 ++--
 src/document.js               |  4 ++-
 src/engine.js                 |  2 --
 src/index.js                  |  6 ++--
 src/lang.js                   |  4 +--
 src/lang/arabic/default.js    |  6 ----
 src/lang/cjk/default.js       |  6 ----
 src/lang/cyrillic/default.js  |  6 ----
 src/lang/latin/advanced.js    |  2 +-
 src/lang/latin/extra.js       |  2 +-
 src/{presets.js => preset.js} | 10 +++----
 src/serialize.js              | 11 ++++---
 src/type.js                   | 54 +++++++++++++++++++++++++++++++++++
 16 files changed, 98 insertions(+), 74 deletions(-)
 rename src/{presets.js => preset.js} (87%)
 create mode 100644 src/type.js

diff --git a/dist/flexsearch.min.js b/dist/flexsearch.min.js
index 2db82f7..86f0c83 100644
--- a/dist/flexsearch.min.js
+++ b/dist/flexsearch.min.js
@@ -1,31 +1,31 @@
 /**!
- * FlexSearch.js v0.7.0-beta (Bundle)
+ * FlexSearch.js v0.7.0-beta
  * Copyright 2019 Nextapps GmbH
  * Author: Thomas Wilkerling
  * Licence: Apache-2.0
  * https://github.com/nextapps-de/flexsearch
  */
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+t.add=function(a,b,d){G(a)&&(b=a,a=ra(b,this.key));if(b&&(a||0===a)){if(this.register[a])return this.update(a,b);for(let c=0,e,f;c<this.g.length;c++)f=this.g[c],e=this.F[c],E(e)&&(e=[e]),W(b,e,this.s,0,this.index[f],a,e[0],d);if(this.A){let c=ra(b,this.A),e=A();E(c)&&(c=[c]);for(let f=0,g,h;f<c.length;f++)if(g=c[f],!e[g]&&(e[g]=1,h=this.h[g]||(this.h[g]=[]),!d||-1===h.indexOf(a)))if(h[h.length]=a,this.i){const k=this.register[a]||(this.register[a]=[]);k[k.length]=h}}if(this.store){let c;if(this.v){c=
+A();for(let e=0,f;e<this.v.length;e++)f=this.v[e],E(f)?c[f]=b[f]:V(b,c,f,0,f[0])}this.store[a]=c||b}}return this};t.append=function(a,b){return this.add(a,b,!0)};t.update=function(a,b){return this.remove(a).add(a,b)};
+t.remove=function(a){G(a)&&(a=a[this.key]);if(this.register[a]){for(var b=0;b<this.g.length&&(this.index[this.g[b]].remove(a,!0),!this.i||this.l);b++);if(this.A&&(!this.i||this.l))for(let d in this.h){b=this.h[d];const c=b.indexOf(a);-1!==c&&(1<b.length?b.splice(c,1):delete this.h[d])}this.store&&delete this.store[a];delete this.register[a]}return this};
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+t.import=function(a,b){if(b)switch(E(b)&&(b=JSON.parse(b)),a){case "tag":this.h=b;break;case "reg":this.i=!1;this.register=b;for(let c=0,e;c<this.g.length;c++)e=this.index[this.g[c]],e.register=b,e.i=!1;break;case "store":this.store=b;break;default:a=a.split(".");const d=a[0];a=a[1];d&&a&&this.index[d].import(a,b)}};ja(T.prototype);window.FlexSearch={Index:O,Document:T,registerCharset:function(a,b){ia[a]=b},registerLanguage:function(a,b){ha[a]=b}};}).call(this);
diff --git a/doc/0.7.0.md b/doc/0.7.0.md
index 2c6c012..5b977ab 100644
--- a/doc/0.7.0.md
+++ b/doc/0.7.0.md
@@ -669,11 +669,9 @@ function add(sequential_data){
 
 // now just use add() helper method as usual:
 
-add([{ 
-    
+add([{
     // sequential structured data
     // take the data example above
-    
 }]);
 ```
 
@@ -879,10 +877,6 @@ index.add({
     id: 0,
     tag: "cat",
     content: "Some content ..."
-},{
-    id: 1,
-    tag: "dog",
-    content: "Some content ..."
 });
 ```
 
@@ -890,10 +884,6 @@ Your data also can have multiple tags as an array:
 
 ```js
 index.add({
-    id: 0,
-    tag: ["animal", "cat"],
-    content: "Some content ..."
-},{
     id: 1,
     tag: ["animal", "dog"],
     content: "Some content ..."
diff --git a/src/async.js b/src/async.js
index 5dac75d..f022a60 100644
--- a/src/async.js
+++ b/src/async.js
@@ -1,5 +1,3 @@
-import Index from "./index.js";
-import Document from "./document.js";
 import { promise as Promise } from "./polyfill.js";
 import { is_function, is_object } from "./common.js";
 
diff --git a/src/cache.js b/src/cache.js
index c1f9b06..4514947 100644
--- a/src/cache.js
+++ b/src/cache.js
@@ -1,5 +1,4 @@
-import Index from "./index.js";
-import Document from "./index.js";
+import { IndexInterface, DocumentInterface } from "./type.js";
 import { create_object, is_object } from "./common.js";
 
 /**
@@ -27,7 +26,7 @@ export default CacheClass;
  * @param {string|Object} query
  * @param {number|Object=} limit
  * @param {Object=} options
- * @this {Document|Index}
+ * @this {IndexInterface}
  * @returns {Array<number|string>}
  */
 
diff --git a/src/document.js b/src/document.js
index 9659ba1..179ca82 100644
--- a/src/document.js
+++ b/src/document.js
@@ -18,6 +18,7 @@ import {
 } from "./config.js";
 
 import Index from "./index.js";
+import { DocumentInterface } from "./type.js";
 import Cache, { searchCache } from "./cache.js";
 import { create_object, is_array, is_string, is_object, parse_option } from "./common.js";
 import apply_async from "./async.js";
@@ -26,9 +27,10 @@ import { exportDocument, importDocument } from "./serialize.js";
 import WorkerAdapter from "./adapter.js";
 
 /**
+ * @constructor
+ * @implements DocumentInterface
  * @param {Object=} options
  * @return {Document}
- * @constructor
  */
 
 function Document(options){
diff --git a/src/engine.js b/src/engine.js
index cc70df9..57da76b 100644
--- a/src/engine.js
+++ b/src/engine.js
@@ -1,5 +1,3 @@
-import { addAsync, appendAsync, removeAsync, searchAsync, updateAsync } from "./async.js";
-import Document from "./document";
 import { DEBUG, SUPPORT_ASYNC, SUPPORT_CACHE } from "./config";
 import { searchCache } from "./cache";
 
diff --git a/src/index.js b/src/index.js
index 1b52f0d..0ad00ce 100644
--- a/src/index.js
+++ b/src/index.js
@@ -16,6 +16,7 @@ import {
 
 } from "./config.js";
 
+import { IndexInterface } from "./type.js";
 import { encode as default_encoder } from "./lang/latin/default.js";
 import { create_object, create_object_array, concat, sort_by_length_down, is_array, is_string, is_object, parse_option } from "./common.js";
 import { pipeline, init_stemmer_or_matcher, init_filter } from "./lang.js";
@@ -23,14 +24,15 @@ import { global_lang, global_charset } from "./global.js";
 import apply_async from "./async.js";
 import { intersect } from "./intersect.js";
 import Cache, { searchCache } from "./cache.js";
-import apply_preset from "./presets.js";
+import apply_preset from "./preset.js";
 import { exportIndex, importIndex } from "./serialize.js";
 
 /**
+ * @constructor
+ * @implements IndexInterface
  * @param {Object=} options
  * @param {Object=} _register
  * @return {Index}
- * @constructor
  */
 
 function Index(options, _register){
diff --git a/src/lang.js b/src/lang.js
index 45e0aa6..b607a15 100644
--- a/src/lang.js
+++ b/src/lang.js
@@ -1,4 +1,4 @@
-import Index from "./index.js";
+import { IndexInterface, DocumentInterface } from "./type.js";
 import { create_object } from "./common.js";
 
 /**
@@ -7,7 +7,7 @@ import { create_object } from "./common.js";
  * @param {boolean|string|RegExp=} split
  * @param {boolean=} _collapse
  * @returns {string|Array<string>}
- * @this Index
+ * @this IndexInterface
  */
 
 export function pipeline(str, normalize, split, _collapse){
diff --git a/src/lang/arabic/default.js b/src/lang/arabic/default.js
index 91a0726..1ed5765 100644
--- a/src/lang/arabic/default.js
+++ b/src/lang/arabic/default.js
@@ -1,5 +1,3 @@
-import Document from "../../flexsearch.js";
-
 export const rtl = true;
 export const tokenize = "";
 export default {
@@ -9,10 +7,6 @@ export default {
 
 const regex = /[\x00-\x7F]+/g;
 
-/**
- * @this Document
- */
-
 export function encode(str){
 
     return this.pipeline(
diff --git a/src/lang/cjk/default.js b/src/lang/cjk/default.js
index 78cd6ce..b5f3076 100644
--- a/src/lang/cjk/default.js
+++ b/src/lang/cjk/default.js
@@ -1,5 +1,3 @@
-import Document from "../../flexsearch.js";
-
 export const rtl = false;
 export const tokenize = "strict";
 export default {
@@ -10,10 +8,6 @@ export default {
 
 const regex = /[\x00-\x7F]+/g;
 
-/**
- * @this Document
- */
-
 export function encode(str){
 
     return this.pipeline(
diff --git a/src/lang/cyrillic/default.js b/src/lang/cyrillic/default.js
index b3bc8c9..b86b6a6 100644
--- a/src/lang/cyrillic/default.js
+++ b/src/lang/cyrillic/default.js
@@ -1,5 +1,3 @@
-import Document from "../../flexsearch.js";
-
 export const rtl = false;
 export const tokenize = "";
 export default {
@@ -9,10 +7,6 @@ export default {
 
 const regex = /[\x00-\x7F]+/g;
 
-/**
- * @this Document
- */
-
 export function encode(str){
 
     return this.pipeline(
diff --git a/src/lang/latin/advanced.js b/src/lang/latin/advanced.js
index 49090b5..d336ac6 100644
--- a/src/lang/latin/advanced.js
+++ b/src/lang/latin/advanced.js
@@ -54,7 +54,7 @@ export function encode(str, self, _skip_postprocessing){
 
     if(str){
 
-        str = encode_simple(str, /** @type {Document} */ (self || this)).join(" ");
+        str = encode_simple(str, self || this).join(" ");
 
         if(str.length > 2){
 
diff --git a/src/lang/latin/extra.js b/src/lang/latin/extra.js
index 6311e6f..93fa286 100644
--- a/src/lang/latin/extra.js
+++ b/src/lang/latin/extra.js
@@ -34,7 +34,7 @@ export function encode(str){
 
     if(str){
 
-        str = encode_advanced(str, /** @type {Document} */ (this), /* skip post-processing: */ true);
+        str = encode_advanced(str, this, /* skip post-processing: */ true);
 
         if(str.length > 1){
 
diff --git a/src/presets.js b/src/preset.js
similarity index 87%
rename from src/presets.js
rename to src/preset.js
index c39f5dc..cbfb6f2 100644
--- a/src/presets.js
+++ b/src/preset.js
@@ -6,7 +6,7 @@ import { is_string } from "./common.js";
  * @const
  */
 
-const presets = {
+const preset = {
 
     "memory": {
         charset: "latin:extra",
@@ -70,12 +70,12 @@ export default function apply_preset(options){
 
     if(is_string(options)){
 
-        if(DEBUG && !presets[options]){
+        if(DEBUG && !preset[options]){
 
             console.warn("Preset not found: " + options);
         }
 
-        options = presets[options];
+        options = preset[options];
     }
     else{
 
@@ -83,12 +83,12 @@ export default function apply_preset(options){
 
         if(preset){
 
-            if(DEBUG && !presets[preset]){
+            if(DEBUG && !preset[preset]){
 
                 console.warn("Preset not found: " + preset);
             }
 
-            options = Object.assign({}, presets[preset], /** @type {Object} */ (options));
+            options = Object.assign({}, preset[preset], /** @type {Object} */ (options));
         }
     }
 
diff --git a/src/serialize.js b/src/serialize.js
index 33d20db..14a00c6 100644
--- a/src/serialize.js
+++ b/src/serialize.js
@@ -1,5 +1,4 @@
-import Index from "./index.js";
-import Document from "./document.js";
+import { IndexInterface, DocumentInterface } from "./type.js";
 import { create_object, is_string } from "./common.js";
 
 function async(callback, self, key, index_doc, index, data){
@@ -25,7 +24,7 @@ function async(callback, self, key, index_doc, index, data){
 }
 
 /**
- * @this Index
+ * @this IndexInterface
  */
 
 export function exportIndex(callback, self, field, index_doc, index){
@@ -89,7 +88,7 @@ export function exportIndex(callback, self, field, index_doc, index){
 }
 
 /**
- * @this Index
+ * @this IndexInterface
  */
 
 export function importIndex(key, data){
@@ -132,7 +131,7 @@ export function importIndex(key, data){
 }
 
 /**
- * @this Document
+ * @this DocumentInterface
  */
 
 export function exportDocument(callback, self, field, index_doc, index){
@@ -192,7 +191,7 @@ export function exportDocument(callback, self, field, index_doc, index){
 }
 
 /**
- * @this Document
+ * @this DocumentInterface
  */
 
 export function importDocument(key, data){
diff --git a/src/type.js b/src/type.js
new file mode 100644
index 0000000..10772bd
--- /dev/null
+++ b/src/type.js
@@ -0,0 +1,54 @@
+/**
+ * @interface
+ */
+
+export function IndexInterface(){
+
+    this.cache = null;
+}
+
+/**
+ * @param {!number|string} id
+ * @param {!string} content
+ */
+
+IndexInterface.prototype.add;
+
+/**
+ * @param {!number|string} id
+ * @param {!string} content
+ */
+
+IndexInterface.prototype.append;
+
+/**
+ * @param {!string|Object} query
+ * @param {number|Object=} limit
+ * @param {Object=} options
+ * @returns {Array<number|string>}
+ */
+
+IndexInterface.prototype.search;
+
+/**
+ * @param {!number|string} id
+ * @param {!string} content
+ */
+
+IndexInterface.prototype.update;
+
+/**
+ * @param {!number|string} id
+ */
+
+IndexInterface.prototype.remove;
+
+/**
+ * @interface
+ */
+
+export function DocumentInterface(){
+
+    this.field = null;
+    this.index = null;
+}