v0.5.0 Where / Find / Tags / Custom Sort

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+#### v0.5.0
+
+- Where / Find Documents
+- Document Tags
+- Custom Sort
+
 #### v0.4.0
 
 - Index Documents (Field-Search)

README.md

@@ -21,7 +21,7 @@ FlexSearch also provides you a non-blocking asynchronous processing model as wel
 
 FlexSearch Server is also available here: <a target="_blank" href="https://github.com/nextapps-de/flexsearch-server">https://github.com/nextapps-de/flexsearch-server</a>.
 
-<a href="#installation">Installation Guide</a> &ensp;&bull;&ensp; <a href="#api">API Reference</a> &ensp;&bull;&ensp; <a href="#presets">Presets</a> &ensp;&bull;&ensp; <a href="#builds">Custom Builds</a> &ensp;&bull;&ensp; <a target="_blank" href="https://github.com/nextapps-de/flexsearch-server">Flexsearch Server</a> &ensp;&bull;&ensp; <a href="CHANGELOG.md">Changelog</a>
+<a href="#installation">Installation Guide</a> &ensp;&bull;&ensp; <a href="#api">API Reference</a> &ensp;&bull;&ensp; <a href="#builds">Custom Builds</a> &ensp;&bull;&ensp; <a target="_blank" href="https://github.com/nextapps-de/flexsearch-server">Flexsearch Server</a> &ensp;&bull;&ensp; <a href="CHANGELOG.md">Changelog</a>
 
 Supported Platforms:
 - Browser
@@ -123,6 +123,15 @@ All Features:
         <td>-</td>
     </tr>
     <tr></tr>
+    <tr>
+        <td>
+            <a href="#where">Where / Find</a> / <a href="#tags">Tags</a>
+        </td>
+        <td>✔</td>
+        <td>-</td>
+        <td>-</td>
+    </tr>
+    <tr></tr>
     <tr>
         <td>
             Partial Matching
@@ -681,7 +690,9 @@ index.search({
     limit: 1000,
     threshold: 5, // >= threshold
     depth: 3,     // <= depth
-    callback: function(results){/* ... */}
+    callback: function(results){
+        // ...
+    }
 });
 ```
 
@@ -1080,23 +1091,23 @@ Assume the document array looks more complex (has nested branches etc.), e.g.:
 var docs = [{
     data:{
         id: 0,
-        title: "Title",
+        title: "Foo",
         body: {
-            content: "Body"
+            content: "Foobar"
         }
     }
 },{
     data:{
         id: 1,
-        title: "Title",
+        title: "Bar",
         body: {
-            content: "Body"
+            content: "Foobar"
         }
     }
 }];
 ```
 
-Then use the colon separated notation ___"root:child"___ to define hierarchy within the document descriptor:
+Then use the colon separated notation ___"root:child:child"___ to define hierarchy within the document descriptor:
 
 ```js
 var index = new FlexSearch({
@@ -1104,7 +1115,7 @@ var index = new FlexSearch({
         id: "data:id",
         field: [
             "data:title",
-            "data:content:body"
+            "data:body:content"
         ]
     }
 });
@@ -1146,7 +1157,9 @@ index.remove(id);
 
 #### Field-Search
 
-Searching gives you several options when using documents.
+The search gives you several options when using documents.
+
+> The colon notation also has to be applied for the searching respectively.
 
 This will search through all indexed fields:
 
@@ -1159,24 +1172,22 @@ This will search on a specific field):
 ```js
 var results = index.search({
     field: "title",
-    query: "title"
+    query: "foobar"
 });
 ```
 
-The colon notation also has to be applied for the searching respectively, e.g.:
-
 ```js
 var results = index.search({
-    field: "data:body",
-    query: "body"
+    field: "data:body:content",
+    query: "foobar"
 });
 ```
 
 This could also be written as:
 
 ```js
-var results = index.search("body", {
-    field: "data:body",
+var results = index.search("foobar", {
+    field: "data:body:content",
 });
 ```
 
@@ -1184,7 +1195,7 @@ Search the same query on multiple fields:
 
 ```js
 var results = index.search({
-    query: "title",
+    query: "foobar",
     field: ["title", "body"]
 });
 ```
@@ -1202,10 +1213,10 @@ Search different queries on multiple fields:
 ```js
 var results = index.search([{
     field: "title",
-    query: "title"
+    query: "foo"
 },{
     field: "body",
-    query: "body"
+    query: "bar"
 }]);
 ```
 
@@ -1214,15 +1225,206 @@ Boost scoring on specific fields:
 ```js
 var results = index.search([{
     field: "title",
-    query: "title",
+    query: "foo",
     boost: 2
 },{
     field: "body",
-    query: "body",
+    query: "bar",
     boost: 0.5
 }]);
 ```
 
+<a name="where"></a>
+## Find / Where
+
+When indexing documents, you are also able to get results by specific attributes.
+
+> The colon notation also has to be applied for using "where" and "find" respectively.
+
+#### Find a document by an attribute
+
+```js
+index.find("cat", "comedy");
+```
+
+Same as:
+```js
+index.find({"cat": "comedy"});
+```
+
+To get by ID, you can also use short form:
+```js
+index.find(1);
+```
+
+Find by a custom function:
+```js
+index.find(function(item){
+    return item.cat === "comedy";
+});
+```
+
+#### Find documents by multiple attributes
+
+Get just the first result:
+```js
+index.find({
+    cat: "comedy", 
+    year: "2018"
+});
+```
+
+Get all matched results:
+```js
+index.where({
+    cat: "comedy",
+    year: "2018"
+});
+```
+
+Get all results and set a limit:
+```js
+index.where({
+    cat: "comedy",
+    year: "2018"
+ }, 100);
+```
+
+Get all by a custom function:
+```js
+index.where(function(item){
+    return item.cat === "comedy";
+});
+```
+
+#### Combine fuzzy search with a where-clause:
+
+Add some content, e.g.:
+```js
+index.add([{
+    id: 0,
+    title: "Foobar",
+    cat: "adventure",
+    content: "Body"
+},{
+    id: 1,
+    title: "Title",
+    cat: "comedy",
+    content: "Foobar"
+}]);
+```
+
+Using search and also apply a where-clause:
+```js
+index.search("foo", {
+    field: [
+        "title", 
+        "body"
+    ],
+    where: {
+        "cat": "comedy"
+    },
+    limit: 10
+});
+```
+
+<a name="tags"></a>
+## Tags
+
+Tagging is pretty much the same like adding an index to a database column. Whenever you use ___where___ on an indexed/tagged attribute will improve performance drastically but also at a cost of additional memory.
+
+> The colon notation also has to be applied for tags respectively.
+
+Add one single tag to the index:
+```js
+var index = new FlexSearch({
+    doc: {
+        id: "id",
+        field: ["title", "content"],
+        tag: "cat"
+    }
+});
+```
+
+Or add multiple tags to the index:
+```js
+var index = new FlexSearch({
+    doc: {
+        id: "id",
+        field: ["title", "content"],
+        tag: ["cat", "year"]
+    }
+});
+```
+
+Add some content:
+```js
+index.add([{
+    id: 0,
+    title: "Foobar",
+    cat: "adventure",
+    year: "2018",
+    content: "Body"
+},{
+    id: 1,
+    title: "Title",
+    cat: "comedy",
+    year: "2018",
+    content: "Foobar"
+}]);
+```
+
+Find all documents by an attribute:
+```js
+index.where({"cat": "comedy"}, 10);
+```
+
+Since the attribute "cat" was tagged (has its own index) this expression performs extremely fast. This is actually the fastest way to retrieve results from documents.
+
+Search documents and also apply a where-clause:
+```js
+index.search("foo", {
+    field: [
+        "title", 
+        "content"
+    ],
+    where: {
+        "cat": "comedy"
+    },
+    limit: 10
+});
+```
+
+For a better understanding, using the same expression without the where clause has pretty much the same performance. On the other hand, using a where-clause without a tag on its property has an additional cost.
+
+<a name="sort"></a>
+## Custom Sort
+
+> The colon notation also has to be applied for a custom sort respectively.
+
+Sort by an attribute:
+```js
+var results = index.search("John", {
+
+    limit: 100,
+    sort: "data:title"
+});
+```
+
+Sort by a custom function:
+```js
+var results = index.search("John", {
+
+    limit: 100,
+    sort: function(a, b){
+        return (
+            a.id < b.id ? -1 : (
+                a.id > b.id ? 1 : 0
+        ));
+    }
+});
+```
+
 <a name="chaining"></a>
 ### Chaining
 
@@ -1864,45 +2066,36 @@ var comedy = new FlexSearch();
 
 This way you can also provide different settings for each category.
 
-To make this workaround more extendable you can define a tiny helper:
+You can also gets the same effect when using documents in combination with tags and a ___where___ clause, e.g.:
+
 ```js
-var settings = {};
-var index = {};
-
-function add(id, cat, content){
-    (index[cat] || (
-        index[cat] = new FlexSearch(settings[cat])
-    )).add(id, content);
-}
-
-function search(cat, query){
-    return index[cat] ? index[cat].search(query) : [];
-}
-```
-
-Provide settings optionally (or skip and use defaults):
-```js
-settings = {
-    action: "score", 
-    adventure: "match", 
-    comedy: {
-        encode: "advanced",
-        tokenize: "forward",
-        threshold: 5
+var movies = new FlexSearch({
+    doc: {
+        id: "id",
+        title: "title"
+    },
+    tag:{
+        cat: "cat",
     }
-};
+});
 ```
 
 Add content to the index:
+
 ```js
-add(1, "action", "Movie Title");
-add(2, "adventure", "Movie Title");
-add(3, "comedy", "Movie Title");
+add({ id: 1, cat: "action", title: "Movie Title" });
+add({ id: 2, cat: "adventure", title: "Movie Title" });
+add({ id: 3, cat: "comedy", title: "Movie Title" });
 ```
 
 Perform queries:
 ```js
-var results = search("action", "movie title"); // --> [1]
+var results = search("movie title", {
+    field: "title",
+    where: {
+        cat: "adventure"
+    }
+});
 ```
 
 Filter queries by categories will hugely improve performance.

demo/autocomplete.html

@@ -14,7 +14,7 @@
         table{
             width: 300px;
             table-layout: fixed;
-            position: sticky;
+            position: fixed;
             top: 0;
             padding-top: 10px;
             background-color: #fff;
@@ -43,7 +43,7 @@
         }
         #suggestions{
             position: relative;
-            top: 35px;
+            top: 50px;
         }
         #suggestions div{
             padding: 10px 0;
@@ -58,7 +58,7 @@
             td,
             tr,
             input{
-                width: 100%;
+                width: 97%;
             }
         }
     </style>
@@ -83,15 +83,15 @@
             suggest: true
         });
 
-        var suggestions = document.getElementById("suggestions");
-        var autocomplete = document.getElementById("autocomplete");
-        var userinput = document.getElementById("userinput");
-
         for(var i = 0; i < data.length; i++){
 
             index.add(i, data[i]);
         }
 
+        var suggestions = document.getElementById("suggestions");
+        var autocomplete = document.getElementById("autocomplete");
+        var userinput = document.getElementById("userinput");
+
         userinput.addEventListener("input", show_results, true);
         userinput.addEventListener("keyup", accept_autocomplete, true);
         suggestions.addEventListener("click", accept_suggestion, true);
@@ -99,7 +99,7 @@
         function show_results(){
 
             var value = this.value;
-            var results = index.search(value, 20);
+            var results = index.search(value, 25);
             var entry, childs = suggestions.childNodes;
             var i = 0, len = results.length;
 
@@ -131,8 +131,7 @@
             }
             else{
 
-                autocomplete.value = value;
-                autocomplete.current = value;
+                autocomplete.value = autocomplete.current = value;
             }
         }
 
@@ -157,7 +156,6 @@
 
             return false;
         }
-
     }());
 </script>
 </body>

dist/flexsearch.compact.js

@@ -1,27 +1,27 @@
 /*
- FlexSearch v0.4.0
+ FlexSearch v0.5.0
  Copyright 2019 Nextapps GmbH
  Author: Thomas Wilkerling
  Released under the Apache 2.0 Licence
  https://github.com/nextapps-de/flexsearch
 */
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dist/flexsearch.es5.js

@@ -1,41 +1,44 @@
 /*
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  Copyright 2019 Nextapps GmbH
  Author: Thomas Wilkerling
  Released under the Apache 2.0 Licence
  https://github.com/nextapps-de/flexsearch
 */
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dist/flexsearch.light.js

@@ -1,5 +1,5 @@
 /*
- FlexSearch v0.4.0
+ FlexSearch v0.5.0
  Copyright 2019 Nextapps GmbH
  Author: Thomas Wilkerling
  Released under the Apache 2.0 Licence

dist/flexsearch.min.js

@@ -1,35 +1,37 @@
 /*
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+ FlexSearch v0.5.0
  Copyright 2019 Nextapps GmbH
  Author: Thomas Wilkerling
  Released under the Apache 2.0 Licence
  https://github.com/nextapps-de/flexsearch
 */
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dist/flexsearch.node.js

@@ -1,31 +1,33 @@
 /*
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+ FlexSearch v0.5.0
  Copyright 2019 Nextapps GmbH
  Author: Thomas Wilkerling
  Released under the Apache 2.0 Licence
  https://github.com/nextapps-de/flexsearch
 */
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+f("[\u00ec\u00ed\u00ee\u00ef]"),"i",f("[\u00f2\u00f3\u00f4\u00f5\u00f6\u0151]"),"o",f("[\u00f9\u00fa\u00fb\u00fc\u0171]"),"u",f("[\u00fd\u0177\u00ff]"),"y",f("\u00f1"),"n",f("\u00e7"),"c",f("\u00df"),"s",f(" & ")," and ",f("[-/]")," ",f("[^a-z0-9 ]"),"",f("\\s+")," "];return function(b){b=y(b.toLowerCase(),a);return" "===b?"":b}}(),advanced:function(){const a=[f("ae"),"a",f("ai"),"ei",f("ay"),"ei",f("ey"),"ei",f("oe"),"o",f("ue"),"u",f("ie"),"i",f("sz"),"s",f("zs"),"s",f("sh"),"s",f("ck"),"k",f("cc"),
+"k",f("dt"),"t",f("ph"),"f",f("pf"),"f",f("ou"),"o",f("uo"),"u"];return function(b,c){if(!b)return b;b=this.simple(b);2<b.length&&(b=y(b,a));c||1<b.length&&(b=L(b));return b}}(),extra:function(){const a=[f("p"),"b",f("z"),"s",f("[cgq]"),"k",f("n"),"m",f("d"),"t",f("[vw]"),"f",f("[aeiouy]"),""];return function(b){if(!b)return b;b=this.advanced(b,!0);if(1<b.length){b=b.split(" ");for(let c=0;c<b.length;c++){const d=b[c];1<d.length&&(b[c]=d[0]+y(d.substring(1),a))}b=b.join(" ");b=L(b)}return b}}(),balance:function(){const a=
+[f("[-/]")," ",f("[^a-z0-9 ]"),"",f("\\s+")," "];return function(b){return L(y(b.toLowerCase(),a))}}()},X=function(){function a(a){this.clear();this.A=!0!==a&&a}a.prototype.clear=function(){this.cache=u();this.count=u();this.index=u();this.i=[]};a.prototype.set=function(a,c){if(this.A&&B(this.cache[a])){let b=this.i.length;if(b===this.A){b--;const a=this.i[b];delete this.cache[a];delete this.count[a];delete this.index[a]}this.index[a]=b;this.i[b]=a;this.count[a]=-1;this.cache[a]=c;this.get(a)}else this.cache[a]=
+c};a.prototype.get=function(a){const b=this.cache[a];if(this.A&&b){var d=++this.count[a];const b=this.index;let c=b[a];if(0<c){const f=this.i;for(var e=c;this.count[f[--c]]<=d&&-1!==c;);c++;if(c!==e){for(d=e;d>c;d--)e=f[d-1],f[d]=e,b[e]=d;f[c]=a;b[a]=c}}}return b};return a}();return h}(!1),this);

flexsearch.js

@@ -1,5 +1,5 @@
 /**!
- * @preserve FlexSearch v0.4.0
+ * @preserve FlexSearch v0.5.0
  * Copyright 2019 Nextapps GmbH
  * Author: Thomas Wilkerling
  * Released under the Apache 2.0 Licence
@@ -18,6 +18,7 @@
 /** @define {boolean} */ const SUPPORT_SERIALIZE = true;
 /** @define {boolean} */ const SUPPORT_INFO = true;
 /** @define {boolean} */ const SUPPORT_DOCUMENTS = true;
+/** @define {boolean} */ const SUPPORT_WHERE = true;
 
 // noinspection ThisExpressionReferencesGlobalObjectJS
 (function(){
@@ -494,7 +495,10 @@
 
             let doc;
 
-            if(SUPPORT_DOCUMENTS) /** @private */ this.doc = doc = (
+            if(SUPPORT_DOCUMENTS) {
+
+                /** @private */
+                this.doc = doc = (
 
                     (custom = options["doc"]) ?
 
@@ -502,6 +506,7 @@
                     :
                         this.doc || defaults.doc
                 );
+            }
 
             // initialize primary index
 
@@ -512,28 +517,43 @@
             /** @private */
             this._ids = create_object();
 
-            if(SUPPORT_DOCUMENTS){
-
-                /** @private */
-                this._doc = doc && create_object();
-            }
-
-            /** @private */
-            //this._stack = create_object();
-            /** @private */
-            //this._stack_keys = [];
-
             if(doc){
 
+                this._doc = create_object();
+
                 options["doc"] = null;
 
-                const field = doc["field"];
                 const index = doc["index"] = [];
                 const ref = doc["ref"] = {};
 
+                let field = doc["field"];
+                let tag = doc["tag"];
+
                 doc["id"] = doc["id"].split(":");
 
-                if(is_array(field)){
+                if(SUPPORT_WHERE && tag){
+
+                    this._tag = create_object();
+
+                    if(!is_array(tag)){
+
+                        doc["tag"] = tag = [tag];
+                    }
+
+                    for(let i = 0; i < tag.length; i++){
+
+                        this._tag[tag[i]] = create_object();
+
+                        tag[i] = tag[i].split(":");
+                    }
+                }
+
+                if(field){
+
+                    if(!is_array(field)){
+
+                        doc["field"] = field = [field];
+                    }
 
                     for(let i = 0; i < field.length; i++){
 
@@ -541,14 +561,12 @@
                         field[i] = field[i].split(":");
                         index[i] = new FlexSearch(options);
                         index[i]._doc = this._doc;
-                    }
-                }
-                else{
 
-                    ref[field] = 0;
-                    doc["field"] = [field.split(":")];
-                    index[0] = new FlexSearch(options);
-                    index[0]._doc = this._doc;
+                        if(SUPPORT_WHERE && tag){
+
+                            index[i]._tag = this._tag;
+                        }
+                    }
                 }
             }
 
@@ -992,14 +1010,24 @@
                 else{
 
                     const index = this.doc["index"];
+                    const tags = this.doc["tag"];
                     let tree = this.doc["id"];
                     let id;
+                    let tag;
 
                     for(let i = 0; i < tree.length; i++){
 
                         id = (id || docs)[tree[i]];
                     }
 
+                    if(tags){
+
+                        for(let i = 0; i < tags.length; i++){
+
+                            tag = (tag || docs)[tags[i]];
+                        }
+                    }
+
                     if(job === "remove"){
 
                         delete this._doc["@" + id];
@@ -1197,6 +1225,37 @@
             return this;
         };
 
+        let field_to_sort;
+
+        // TODO: apply intersect here
+
+        function merge_and_sort(arrays, sort){
+
+            arrays = arrays.concat.apply([], arrays);
+
+            if(sort){
+
+                if(!is_function(sort)){
+
+                    field_to_sort = sort.split(":");
+
+                    if(field_to_sort.length > 1){
+
+                        sort = sort_by_deep_field_up;
+                    }
+                    else{
+
+                        field_to_sort = field_to_sort[0];
+                        sort = sort_by_field_up;
+                    }
+                }
+
+                arrays.sort(sort);
+            }
+
+            return arrays;
+        }
+
         /**
          * @param {!string|Object|Array<Object>} query
          * @param {number|Function=} limit
@@ -1229,6 +1288,8 @@
             let _query = query;
             let threshold;
             let boost;
+            let where;
+            let sort;
             let result = [];
 
             if(is_object(query) && (!SUPPORT_DOCUMENTS || !is_array(query))){
@@ -1245,9 +1306,15 @@
                     }
                 }
 
+                if(SUPPORT_DOCUMENTS){
+
+                    boost = query["boost"];
+                    where = query["where"];
+                    sort = query["sort"];
+                }
+
                 limit = query["limit"];
                 threshold = query["threshold"];
-                boost = query["boost"];
                 query = query["query"];
             }
 
@@ -1303,7 +1370,7 @@
 
                     if(SUPPORT_ASYNC && callback){
 
-                        return callback(result.concat.apply([], result));
+                        return callback(merge_and_sort(result, sort));
                     }
                     else if(SUPPORT_ASYNC && this.async){
 
@@ -1311,13 +1378,13 @@
 
                             Promise.all(/** @type {!Iterable<Promise>} */ (result)).then(function(values){
 
-                                resolve(values.concat.apply([], values));
+                                resolve(merge_and_sort(values, sort));
                             });
                         });
                     }
                     else{
 
-                        return result.concat.apply([], result);
+                        return merge_and_sort(result, sort);
                     }
                 }
                 else{
@@ -1579,6 +1646,16 @@
                 //result = intersect_3d(check, limit, this.suggest);
             }
 
+            if(SUPPORT_WHERE && where){
+
+                result = this.where(where, null, limit, result);
+            }
+
+            if(sort){
+
+                result = merge_and_sort([result], sort);
+            }
+
             // store result to cache
 
             if(SUPPORT_CACHE && this.cache){
@@ -1594,6 +1671,137 @@
             return result;
         };
 
+        if(SUPPORT_DOCUMENTS && SUPPORT_WHERE){
+
+            /**
+             * @export
+             */
+
+            FlexSearch.prototype.find = function(key, value){
+
+                return this.where(key, value, 1)[0] || null;
+            };
+
+            /**
+             * @param key
+             * @param value
+             * @param limit
+             * @param {Array<Object>=} result
+             * @returns {Array<Object>}
+             * @export
+             */
+
+            FlexSearch.prototype.where = function(key, value, limit, result){
+
+                const doc = result || this._doc;
+                const results = [];
+
+                let count = 0;
+                let keys;
+                let keys_len;
+                let has_value;
+                let tree;
+
+                if(is_string(key)){
+
+                    if(key === "id"){
+
+                        return [doc["@" + value]];
+                    }
+
+                    //keys = [key];
+                    keys_len = 1;
+                    tree = [key.split(":")];
+                    has_value = true;
+                }
+                else if(is_function(key)){
+
+                    const ids = result || get_keys(doc);
+                    const length = ids.length;
+
+                    for(let x = 0; x < length; x++){
+
+                        const obj = result ? result[x] : doc[ids[x]];
+
+                        if(key(obj)){
+
+                            results[count++] = obj;
+                        }
+                    }
+
+                    return results;
+                }
+                else{
+
+                    limit || (limit = value);
+                    keys = get_keys(key);
+                    keys_len = keys.length;
+                    has_value = false;
+
+                    if((keys_len === 1) && (keys[0] === "id")){
+
+                        return [doc["@" + key["id"]]];
+                    }
+
+                    tree = new Array(keys_len);
+
+                    for(let i = 0; i < keys_len; i++){
+
+                        tree[i] = keys[i].split(":");
+                    }
+                }
+
+                const ids = result || get_keys(doc); // this._ids;
+                const length = ids.length;
+
+                for(let x = 0; x < length; x++){
+
+                    const obj = result ? result[x] : doc[ids[x]];
+                    let found = true;
+
+                    for(let i = 0; i < keys_len; i++){
+
+                        has_value || (value = key[keys[i]]);
+
+                        const tree_cur = tree[i];
+                        const tree_len = tree_cur.length;
+
+                        let ref = obj;
+
+                        if(tree_len > 1){
+
+                            for(let z = 0; z < tree_len; z++){
+
+                                ref = ref[tree_cur[z]];
+                            }
+                        }
+                        else{
+
+                            ref = ref[tree_cur[0]];
+                        }
+
+                        if(ref !== value){
+
+                            found = false;
+                            break;
+                        }
+                    }
+
+                    if(found){
+
+                        results[count++] = obj;
+
+                        if(limit && (count === limit)){
+
+                            break;
+                        }
+                    }
+                }
+
+                return results;
+            }
+        }
+
         if(SUPPORT_INFO){
 
             /**
@@ -1704,6 +1912,7 @@
         if(SUPPORT_SERIALIZE){
 
             /**
+             * TODO: also export settings?
              * @export
              */
 
@@ -2592,6 +2801,51 @@
             );
         }
 
+        function sort_by_field_up(a, b){
+
+            a = a[field_to_sort];
+            b = b[field_to_sort];
+
+            return (
+
+                a < b ?
+
+                    -1
+                :(
+                    a > b ?
+
+                        1
+                    :
+                        0
+                )
+            );
+        }
+
+        function sort_by_deep_field_up(a, b){
+
+            const field_len = field_to_sort.length;
+
+            for(let i = 0; i < field_len; i++){
+
+                a = a[field_to_sort[i]];
+                b = b[field_to_sort[i]];
+            }
+
+            return (
+
+                a < b ?
+
+                    -1
+                :(
+                    a > b ?
+
+                        1
+                    :
+                        0
+                )
+            );
+        }
+
         /**
          * @param {!Array<Array<number|string>>} arrays
          * @param {number=} limit
@@ -3269,6 +3523,7 @@
                                         "var SUPPORT_SERIALIZE = " + (SUPPORT_SERIALIZE ? "true" : "false") + ";" +
                                         "var SUPPORT_INFO = " + (SUPPORT_INFO ? "true" : "false") + ";" +
                                         "var SUPPORT_DOCUMENTS = " + (SUPPORT_DOCUMENTS ? "true" : "false") + ";" +
+                                        "var SUPPORT_WHERE = " + (SUPPORT_WHERE ? "true" : "false") + ";" +
                                         "var SUPPORT_WORKER = true;"
 
                                     ) + "(" + _worker.toString() + ")()"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "flexsearch",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Next-Generation full text search library with zero dependencies.",
   "homepage": "https://github.com/nextapps-de/flexsearch/",
   "author": "Thomas Wilkerling",
@@ -26,12 +26,12 @@
     "url": "https://github.com/nextapps-de/flexsearch.git"
   },
   "scripts": {
-    "build": "node compile RELEASE=min DEBUG=false PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=true SUPPORT_SERIALIZE=true SUPPORT_INFO=true SUPPORT_DOCUMENTS=true SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
-    "build-light": "node compile RELEASE=light DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_PRESETS=false SUPPORT_SUGGESTIONS=false SUPPORT_SERIALIZE=false SUPPORT_INFO=false SUPPORT_DOCUMENTS=false SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
-    "build-compact": "node compile RELEASE=compact DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CACHE=false SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=false SUPPORT_SERIALIZE=false SUPPORT_INFO=false SUPPORT_DOCUMENTS=true SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
-    "build-custom": "node compile RELEASE=custom DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_PRESETS=false SUPPORT_SUGGESTIONS=false SUPPORT_SERIALIZE=false SUPPORT_INFO=false SUPPORT_DOCUMENTS=false  SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
-    "build-es5": "node compile RELEASE=es5 DEBUG=true PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=true SUPPORT_SERIALIZE=true SUPPORT_INFO=true SUPPORT_DOCUMENTS=true SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false LANGUAGE_OUT=ECMASCRIPT5_STRICT",
-    "build-node": "node compile RELEASE=node DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=true SUPPORT_SERIALIZE=true SUPPORT_INFO=true SUPPORT_DOCUMENTS=true SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
+    "build": "node compile RELEASE=min DEBUG=false PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=true SUPPORT_SERIALIZE=true SUPPORT_INFO=true SUPPORT_DOCUMENTS=true SUPPORT_WHERE=true SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
+    "build-light": "node compile RELEASE=light DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_PRESETS=false SUPPORT_SUGGESTIONS=false SUPPORT_SERIALIZE=false SUPPORT_INFO=false SUPPORT_DOCUMENTS=false SUPPORT_WHERE=false SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
+    "build-compact": "node compile RELEASE=compact DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CACHE=false SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=false SUPPORT_SERIALIZE=false SUPPORT_INFO=false SUPPORT_DOCUMENTS=true SUPPORT_WHERE=false SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
+    "build-custom": "node compile RELEASE=custom DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=false SUPPORT_CACHE=false SUPPORT_ASYNC=false SUPPORT_PRESETS=false SUPPORT_SUGGESTIONS=false SUPPORT_SERIALIZE=false SUPPORT_INFO=false SUPPORT_DOCUMENTS=false SUPPORT_WHERE=false SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
+    "build-es5": "node compile RELEASE=es5 DEBUG=true PROFILER=false SUPPORT_WORKER=true SUPPORT_ENCODER=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=true SUPPORT_SERIALIZE=true SUPPORT_INFO=true SUPPORT_DOCUMENTS=true SUPPORT_WHERE=true SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false LANGUAGE_OUT=ECMASCRIPT5_STRICT",
+    "build-node": "node compile RELEASE=node DEBUG=false PROFILER=false SUPPORT_WORKER=false SUPPORT_ENCODER=true SUPPORT_CACHE=true SUPPORT_ASYNC=true SUPPORT_PRESETS=true SUPPORT_SUGGESTIONS=true SUPPORT_SERIALIZE=true SUPPORT_INFO=true SUPPORT_DOCUMENTS=true SUPPORT_WHERE=true SUPPORT_LANG_DE=false SUPPORT_LANG_EN=false",
     "build-lang": "node compile RELEASE=lang",
     "build-all": "npm run build && npm run build-light && npm run build-compact && npm run build-es5 && npm run build-node && npm run build-lang",
     "test-production": "nyc --reporter=html --reporter=text mocha --timeout=3000 test --exit",

test/test.es6.js

@@ -13,41 +13,41 @@ module.exports = function(FlexSearch, env){
 
         var data = [{
 
+            id: 2,
             data:{
-                id: 0,
-                title: "Title 1",
-                body: "Body 1"
+                title: "Title 3",
+                body: "Body 3"
             }
         },{
-            data:{
             id: 1,
+            data:{
                 title: "Title 2",
                 body: "Body 2"
             }
         },{
+            id: 0,
             data:{
-                id: 2,
-                title: "Title 3",
-                body: "Body 3"
+                title: "Title 1",
+                body: "Body 1"
             }
         }];
 
         var update = [{
 
-            data:{
             id: 0,
+            data:{
                 title: "Foo 1",
                 body: "Bar 1"
             }
         },{
-            data:{
             id: 1,
+            data:{
                 title: "Foo 2",
                 body: "Bar 2"
             }
         },{
-            data:{
             id: 2,
+            data:{
                 title: "Foo 3",
                 body: "Bar 3"
             }
@@ -59,7 +59,7 @@ module.exports = function(FlexSearch, env){
 
                 doc: {
 
-                    id: "data:id",
+                    id: "id",
                     field: [
                         "data:title",
                         "data:body"
@@ -200,7 +200,7 @@ module.exports = function(FlexSearch, env){
                 async: true,
                 doc: {
 
-                    id: "data:id",
+                    id: "id",
                     field: [
                         "data:title",
                         "data:body"
@@ -246,7 +246,7 @@ module.exports = function(FlexSearch, env){
                 async: true,
                 doc: {
 
-                    id: "data:id",
+                    id: "id",
                     field: [
                         "data:title",
                         "data:body"
@@ -283,6 +283,69 @@ module.exports = function(FlexSearch, env){
             expect(await index.doc.index[0].length).to.equal(0);
             expect(await index.doc.index[1].length).to.equal(0);
         });
+
+        it("Should have been sorted properly", function(){
+
+            var index = new FlexSearch({
+
+                doc: {
+
+                    id: "id",
+                    field: [
+                        "data:title"
+                    ]
+                }
+            });
+
+            index.add(data);
+
+            var results = index.search({
+
+                field: "data:title",
+                query: "title"
+            });
+
+            expect(results[0]).to.equal(data[0]);
+            expect(results[1]).to.equal(data[1]);
+            expect(results[2]).to.equal(data[2]);
+
+            results = index.search({
+
+                query: "title",
+                field: "data:title",
+                sort: function(a, b){
+
+                    const diff = a.id - b.id;
+                    return (diff < 0 ? -1 : (diff ? 1 : 0));
+                }
+            });
+
+            expect(results[0]).to.equal(data[2]);
+            expect(results[1]).to.equal(data[1]);
+            expect(results[2]).to.equal(data[0]);
+
+            results = index.search({
+
+                query: "title",
+                field: "data:title",
+                sort: "id"
+            });
+
+            expect(results[0]).to.equal(data[2]);
+            expect(results[1]).to.equal(data[1]);
+            expect(results[2]).to.equal(data[0]);
+
+            results = index.search({
+
+                query: "title",
+                field: "data:title",
+                sort: "data:title"
+            });
+
+            expect(results[0]).to.equal(data[2]);
+            expect(results[1]).to.equal(data[1]);
+            expect(results[2]).to.equal(data[0]);
+        });
     });
 
     // ------------------------------------------------------------------------

test/test.js

@@ -1077,7 +1077,7 @@ describe("Relevance", function(){
 // Suggestion Tests
 // ------------------------------------------------------------------------
 
-if(env !== "light") describe("Suggestion", function(){
+if(env !== "light") describe("Suggestions", function(){
 
     it("Should have been suggested properly by relevance", function(){
 
@@ -1100,11 +1100,82 @@ if(env !== "light") describe("Suggestion", function(){
     });
 });
 
+// ------------------------------------------------------------------------
+// Where Clause
+// ------------------------------------------------------------------------
+
+if(env === "") describe("Where/Find", function(){
+
+    var data = [{
+        id: 0,
+        title: "Title 1",
+        cat: "1",
+        flag: false
+    },{
+        id: 1,
+        title: "Title 2",
+        cat: "2",
+        flag: false
+    },{
+        id: 2,
+        title: "Title 3",
+        cat: "1",
+        flag: true
+    }];
+
+    it("Should have been found properly", function(){
+
+        var index = new FlexSearch({
+            doc: {
+                id: "id",
+                field: "title",
+                tag: "cat"
+            }
+        });
+
+        index.add(data);
+
+        //expect(index.length).to.equal(3);
+
+        //expect(index.find(0)).to.equal(data[0]);
+        expect(index.find("id", 0)).to.equal(data[0]);
+        expect(index.where("id", 0)).to.have.members([data[0]]);
+        expect(index.find(function(val){return val.id === 0;})).to.equal(data[0]);
+
+        expect(index.find({id: 1})).to.equal(data[1]);
+        expect(index.where({id: 1})).to.have.members([data[1]]);
+        expect(index.where(function(val){return val.id === 1;})).to.have.members([data[1]]);
+
+        expect(index.find({cat: "1"})).to.equal(data[0]);
+        expect(index.find({cat: "2"})).to.equal(data[1]);
+        expect(index.find({cat: "2", flag: true})).to.equal(null);
+        expect(index.find(data[2])).to.equal(data[2]);
+        expect(index.where(data[2])).to.have.members([data[2]]);
+
+        expect(index.where({cat: "1"})).to.have.members([data[0], data[2]]);
+        expect(index.search("title", {sort: "cat"})[1]).to.equal(data[2]);
+        expect(index.search("title")).to.have.members(data);
+
+        expect(index.search("title", {
+            where: {
+                cat: "1"
+            }
+        })).to.have.members([data[0], data[2]]);
+
+        expect(index.search("title", {
+            where: {
+                cat: "1",
+                flag: true
+            }
+        })).to.have.members([data[2]]);
+    });
+});
+
 // ------------------------------------------------------------------------
 //  Multi-Field Documents
 // ------------------------------------------------------------------------
 
-if(!this._phantom){
+if((typeof require !== "undefined") && !this._phantom){
 
     require("./test.es6.js")(FlexSearch, env);
 }