🐭 Add full-text search function

exampleSite/config.toml

@@ -21,6 +21,9 @@ pygmentsUseClasses = true
     # custom_css = ["/css/custom.css"]
     # custom_js = ["/js/custom.js"]
 
+[outputs]
+    section = ["JSON", "HTML"]
+
 [[menu.main]]
     name = "Blog"
     url = "/blog/"

layouts/_default/list.html

@@ -1,5 +1,10 @@
 {{ define "main"}}
     <div>
+        <div class="searchBoxContainer">
+            <input type="text" id="searchBox" class="searchBox" placeholder="Search..." />
+            <img id="searchBoxIcon" class="searchBoxIcon" src="/img/search.png" />
+        </div>
+        <div id="searchResults" class="searchResults"></div>
         {{ range $index, $value := .Pages.GroupByDate .Site.Params.listPageDateFormat }}
         {{ if (ne $index 0) }}
         <hr class="separator">
@@ -10,5 +15,11 @@
         {{ end }}
         {{ end }}
     </div>
+    <script src="/js/jquery-3.3.1.min.js"></script>
+    <script src="/js/jquery.mark.es6.min.js"></script>
+    <script src="/js/lunr.js"></script>
+    <script src="/js/lunr.stemmer.support.js"></script>
+    <script src="/js/tinyseg.js"></script>
+    <script src="/js/lunr.ja.js"></script>
+    <script src="/js/search.js"></script>
 {{ end }}
-

layouts/_default/list.json

@@ -0,0 +1,9 @@
+[{{ range $index, $page := .Pages }}{{ if ne $index 0 }},{{ end }}
+    {
+        "ref": "{{ $page.Permalink }}",
+        "title": {{ $page.Title | jsonify }},
+        "section": "{{ $page.Section }}",
+        "date" : {{ $page.Date.Format "2006.01.02" | jsonify }},
+        "body": {{ $page.Plain | jsonify }}
+    }
+{{ end }}]

layouts/index.html

@@ -24,4 +24,3 @@
         {{- partial "footer.html" . -}}
     </body>
 </html>
-

layouts/partials/footer.html

@@ -5,7 +5,6 @@
         using the <a href="https://github.com/koirand/pulp/">pulp</a> theme.
     </p>
 </footer>
-<script src="/js/main.js"></script>
 {{- range .Site.Params.custom_js -}}
 <script src="{{ . }}"></script>
 {{ end }}

static/css/markdown.css

@@ -632,7 +632,7 @@
     overflow: auto;
     font-size: 85%;
     line-height: 1.45;
-    background-color: #f6f8fa;
+    background-color: #f6f6f6;
     border-radius: 3px;
 }
 

static/css/style.css

@@ -77,9 +77,11 @@ div.avatar img.avatar-mask {
 }
 
 div.main {
+    display: flex;
     justify-content: center;
     min-height: calc(100vh - 202px);
-    display: flex;
+    min-width: 300px;
+    margin: 0 10px;
 }
 
 div.markdown-body {
@@ -99,3 +101,72 @@ nav ul {
     list-style: none;
 }
 
+div.searchBoxContainer {
+    position: relative;
+    width: 300px;
+    height: 30px;
+    margin: 10px auto 50px auto;
+}
+
+input.searchBox {
+    position: absolute;
+    width: 100%;
+    padding: 0 35px 0 15px;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    border-radius: 15px;
+    outline: 0;
+    font-size: 15px;
+    color: #707070;
+    background-color:#f6f6f6;
+    border: solid 1px #c9c9c9;
+    box-sizing: border-box;
+}
+
+input.searchBox::placeholder {
+    color: #c9c9c9;
+}
+
+div.searchResults {
+    display: none;
+    position: absolute;
+    max-width: 600px;
+    min-width: 300px;
+    margin: 0 auto;
+    top: 210px;
+    left: 0;
+    right: 0;
+    padding: 5px;
+    background-color:#f6f6f6;
+    border: solid 1px #c9c9c9;
+    border-radius: 5px;
+    text-align: left;
+    box-sizing: border-box;
+}
+
+div.searchResultPage {
+    padding: 20px
+}
+
+div.searchResultTitle {
+    font-weight: bold;
+    margin: 5px 0;
+}
+
+div.searchResultBody {
+    font-size: 14px;
+}
+
+img.searchBoxIcon {
+    position: absolute;
+    height: 20px;
+    width: 20px;
+    top: 5px;
+    right: 10px;
+}
+
+mark {
+    background-color: #dddfdf;
+}

static/js/lunr.ja.js

@@ -0,0 +1,188 @@
+/*!
+ * Lunr languages, `Japanese` language
+ * https://github.com/MihaiValentin/lunr-languages
+ *
+ * Copyright 2014, Chad Liu
+ * http://www.mozilla.org/MPL/
+ */
+/*!
+ * based on
+ * Snowball JavaScript Library v0.3
+ * http://code.google.com/p/urim/
+ * http://snowball.tartarus.org/
+ *
+ * Copyright 2010, Oleg Mazko
+ * http://www.mozilla.org/MPL/
+ */
+
+/**
+ * export the module via AMD, CommonJS or as a browser global
+ * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js
+ */
+;
+(function(root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module.
+    define(factory)
+  } else if (typeof exports === 'object') {
+    /**
+     * Node. Does not work with strict CommonJS, but
+     * only CommonJS-like environments that support module.exports,
+     * like Node.
+     */
+    module.exports = factory()
+  } else {
+    // Browser globals (root is window)
+    factory()(root.lunr);
+  }
+}(this, function() {
+  /**
+   * Just return a value to define the module export.
+   * This example returns an object, but the module
+   * can return a function as the exported value.
+   */
+  return function(lunr) {
+    /* throw error if lunr is not yet included */
+    if ('undefined' === typeof lunr) {
+      throw new Error('Lunr is not present. Please include / require Lunr before this script.');
+    }
+
+    /* throw error if lunr stemmer support is not yet included */
+    if ('undefined' === typeof lunr.stemmerSupport) {
+      throw new Error('Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.');
+    }
+
+    /*
+    Japanese tokenization is trickier, since it does not
+    take into account spaces.
+    Since the tokenization function is represented different
+    internally for each of the Lunr versions, this had to be done
+    in order to try to try to pick the best way of doing this based
+    on the Lunr version
+     */
+    var isLunr2 = lunr.version[0] == "2";
+
+    /* register specific locale function */
+    lunr.ja = function() {
+      this.pipeline.reset();
+      this.pipeline.add(
+        lunr.ja.trimmer,
+        lunr.ja.stopWordFilter,
+        lunr.ja.stemmer
+      );
+
+      // change the tokenizer for japanese one
+      if (isLunr2) { // for lunr version 2.0.0
+        this.tokenizer = lunr.ja.tokenizer;
+      } else {
+        if (lunr.tokenizer) { // for lunr version 0.6.0
+          lunr.tokenizer = lunr.ja.tokenizer;
+        }
+        if (this.tokenizerFn) { // for lunr version 0.7.0 -> 1.0.0
+          this.tokenizerFn = lunr.ja.tokenizer;
+        }
+      }
+    };
+    var segmenter = new lunr.TinySegmenter(); // インスタンス生成
+
+    lunr.ja.tokenizer = function(obj) {
+      var i;
+      var str;
+      var len;
+      var segs;
+      var tokens;
+      var char;
+      var sliceLength;
+      var sliceStart;
+      var sliceEnd;
+      var segStart;
+
+      if (!arguments.length || obj == null || obj == undefined)
+        return [];
+
+      if (Array.isArray(obj)) {
+        return obj.map(
+          function(t) {
+            return isLunr2 ? new lunr.Token(t.toLowerCase()) : t.toLowerCase();
+          }
+        );
+      }
+
+      str = obj.toString().toLowerCase().replace(/^\s+/, '');
+      for (i = str.length - 1; i >= 0; i--) {
+        if (/\S/.test(str.charAt(i))) {
+          str = str.substring(0, i + 1);
+          break;
+        }
+      }
+
+      tokens = [];
+      len = str.length;
+      for (sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {
+        char = str.charAt(sliceEnd);
+        sliceLength = sliceEnd - sliceStart;
+
+        if ((char.match(/\s/) || sliceEnd == len)) {
+          if (sliceLength > 0) {
+            segs = segmenter.segment(str.slice(sliceStart, sliceEnd)).filter(
+              function(token) {
+                return !!token;
+              }
+            );
+
+            segStart = sliceStart;
+            for (i = 0; i < segs.length; i++) {
+              if (isLunr2) {
+                tokens.push(
+                  new lunr.Token(
+                    segs[i], {
+                      position: [segStart, segs[i].length],
+                      index: tokens.length
+                    }
+                  )
+                );
+              } else {
+                tokens.push(segs[i]);
+              }
+              segStart += segs[i].length;
+            }
+          }
+
+          sliceStart = sliceEnd + 1;
+        }
+      }
+
+      return tokens;
+    }
+
+    /* lunr stemmer function */
+    lunr.ja.stemmer = (function() {
+
+      /* TODO japanese stemmer  */
+      return function(word) {
+        return word;
+      }
+    })();
+    lunr.Pipeline.registerFunction(lunr.ja.stemmer, 'stemmer-ja');
+
+    /* lunr trimmer function */
+    lunr.ja.wordCharacters = "一二三四五六七八九十百千万億兆一-龠々〆ヵヶぁ-んァ-ヴーｱ-ﾝﾞa-zA-Zａ-ｚＡ-Ｚ0-9０-９";
+    lunr.ja.trimmer = lunr.trimmerSupport.generateTrimmer(lunr.ja.wordCharacters);
+    lunr.Pipeline.registerFunction(lunr.ja.trimmer, 'trimmer-ja');
+
+    /* lunr stop word filter. see http://www.ranks.nl/stopwords/japanese */
+    lunr.ja.stopWordFilter = lunr.generateStopWordFilter(
+      'これ それ あれ この その あの ここ そこ あそこ こちら どこ だれ なに なん 何 私 貴方 貴方方 我々 私達 あの人 あのかた 彼女 彼 です あります おります います は が の に を で え から まで より も どの と し それで しかし'.split(' '));
+    lunr.Pipeline.registerFunction(lunr.ja.stopWordFilter, 'stopWordFilter-ja');
+
+    // alias ja => jp for backward-compatibility.
+    // jp is the country code, while ja is the language code
+    // a new lunr.ja.js has been created, but in order to
+    // keep the backward compatibility, we'll leave the lunr.jp.js
+    // here for a while, and just make it use the new lunr.ja.js
+    lunr.jp = lunr.ja;
+    lunr.Pipeline.registerFunction(lunr.jp.stemmer, 'stemmer-jp');
+    lunr.Pipeline.registerFunction(lunr.jp.trimmer, 'trimmer-jp');
+    lunr.Pipeline.registerFunction(lunr.jp.stopWordFilter, 'stopWordFilter-jp');
+  };
+}))

static/js/lunr.stemmer.support.js

@@ -0,0 +1,304 @@
+/*!
+ * Snowball JavaScript Library v0.3
+ * http://code.google.com/p/urim/
+ * http://snowball.tartarus.org/
+ *
+ * Copyright 2010, Oleg Mazko
+ * http://www.mozilla.org/MPL/
+ */
+
+/**
+ * export the module via AMD, CommonJS or as a browser global
+ * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js
+ */
+;(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define(factory)
+    } else if (typeof exports === 'object') {
+        /**
+         * Node. Does not work with strict CommonJS, but
+         * only CommonJS-like environments that support module.exports,
+         * like Node.
+         */
+        module.exports = factory()
+    } else {
+        // Browser globals (root is window)
+        factory()(root.lunr);
+    }
+}(this, function () {
+    /**
+     * Just return a value to define the module export.
+     * This example returns an object, but the module
+     * can return a function as the exported value.
+     */
+    return function(lunr) {
+        /* provides utilities for the included stemmers */
+        lunr.stemmerSupport = {
+            Among: function(s, substring_i, result, method) {
+                this.toCharArray = function(s) {
+                    var sLength = s.length, charArr = new Array(sLength);
+                    for (var i = 0; i < sLength; i++)
+                        charArr[i] = s.charCodeAt(i);
+                    return charArr;
+                };
+
+                if ((!s && s != "") || (!substring_i && (substring_i != 0)) || !result)
+                    throw ("Bad Among initialisation: s:" + s + ", substring_i: "
+                        + substring_i + ", result: " + result);
+                this.s_size = s.length;
+                this.s = this.toCharArray(s);
+                this.substring_i = substring_i;
+                this.result = result;
+                this.method = method;
+            },
+            SnowballProgram: function() {
+                var current;
+                return {
+                    bra : 0,
+                    ket : 0,
+                    limit : 0,
+                    cursor : 0,
+                    limit_backward : 0,
+                    setCurrent : function(word) {
+                        current = word;
+                        this.cursor = 0;
+                        this.limit = word.length;
+                        this.limit_backward = 0;
+                        this.bra = this.cursor;
+                        this.ket = this.limit;
+                    },
+                    getCurrent : function() {
+                        var result = current;
+                        current = null;
+                        return result;
+                    },
+                    in_grouping : function(s, min, max) {
+                        if (this.cursor < this.limit) {
+                            var ch = current.charCodeAt(this.cursor);
+                            if (ch <= max && ch >= min) {
+                                ch -= min;
+                                if (s[ch >> 3] & (0X1 << (ch & 0X7))) {
+                                    this.cursor++;
+                                    return true;
+                                }
+                            }
+                        }
+                        return false;
+                    },
+                    in_grouping_b : function(s, min, max) {
+                        if (this.cursor > this.limit_backward) {
+                            var ch = current.charCodeAt(this.cursor - 1);
+                            if (ch <= max && ch >= min) {
+                                ch -= min;
+                                if (s[ch >> 3] & (0X1 << (ch & 0X7))) {
+                                    this.cursor--;
+                                    return true;
+                                }
+                            }
+                        }
+                        return false;
+                    },
+                    out_grouping : function(s, min, max) {
+                        if (this.cursor < this.limit) {
+                            var ch = current.charCodeAt(this.cursor);
+                            if (ch > max || ch < min) {
+                                this.cursor++;
+                                return true;
+                            }
+                            ch -= min;
+                            if (!(s[ch >> 3] & (0X1 << (ch & 0X7)))) {
+                                this.cursor++;
+                                return true;
+                            }
+                        }
+                        return false;
+                    },
+                    out_grouping_b : function(s, min, max) {
+                        if (this.cursor > this.limit_backward) {
+                            var ch = current.charCodeAt(this.cursor - 1);
+                            if (ch > max || ch < min) {
+                                this.cursor--;
+                                return true;
+                            }
+                            ch -= min;
+                            if (!(s[ch >> 3] & (0X1 << (ch & 0X7)))) {
+                                this.cursor--;
+                                return true;
+                            }
+                        }
+                        return false;
+                    },
+                    eq_s : function(s_size, s) {
+                        if (this.limit - this.cursor < s_size)
+                            return false;
+                        for (var i = 0; i < s_size; i++)
+                            if (current.charCodeAt(this.cursor + i) != s.charCodeAt(i))
+                                return false;
+                        this.cursor += s_size;
+                        return true;
+                    },
+                    eq_s_b : function(s_size, s) {
+                        if (this.cursor - this.limit_backward < s_size)
+                            return false;
+                        for (var i = 0; i < s_size; i++)
+                            if (current.charCodeAt(this.cursor - s_size + i) != s
+                                .charCodeAt(i))
+                                return false;
+                        this.cursor -= s_size;
+                        return true;
+                    },
+                    find_among : function(v, v_size) {
+                        var i = 0, j = v_size, c = this.cursor, l = this.limit, common_i = 0, common_j = 0, first_key_inspected = false;
+                        while (true) {
+                            var k = i + ((j - i) >> 1), diff = 0, common = common_i < common_j
+                                ? common_i
+                                : common_j, w = v[k];
+                            for (var i2 = common; i2 < w.s_size; i2++) {
+                                if (c + common == l) {
+                                    diff = -1;
+                                    break;
+                                }
+                                diff = current.charCodeAt(c + common) - w.s[i2];
+                                if (diff)
+                                    break;
+                                common++;
+                            }
+                            if (diff < 0) {
+                                j = k;
+                                common_j = common;
+                            } else {
+                                i = k;
+                                common_i = common;
+                            }
+                            if (j - i <= 1) {
+                                if (i > 0 || j == i || first_key_inspected)
+                                    break;
+                                first_key_inspected = true;
+                            }
+                        }
+                        while (true) {
+                            var w = v[i];
+                            if (common_i >= w.s_size) {
+                                this.cursor = c + w.s_size;
+                                if (!w.method)
+                                    return w.result;
+                                var res = w.method();
+                                this.cursor = c + w.s_size;
+                                if (res)
+                                    return w.result;
+                            }
+                            i = w.substring_i;
+                            if (i < 0)
+                                return 0;
+                        }
+                    },
+                    find_among_b : function(v, v_size) {
+                        var i = 0, j = v_size, c = this.cursor, lb = this.limit_backward, common_i = 0, common_j = 0, first_key_inspected = false;
+                        while (true) {
+                            var k = i + ((j - i) >> 1), diff = 0, common = common_i < common_j
+                                ? common_i
+                                : common_j, w = v[k];
+                            for (var i2 = w.s_size - 1 - common; i2 >= 0; i2--) {
+                                if (c - common == lb) {
+                                    diff = -1;
+                                    break;
+                                }
+                                diff = current.charCodeAt(c - 1 - common) - w.s[i2];
+                                if (diff)
+                                    break;
+                                common++;
+                            }
+                            if (diff < 0) {
+                                j = k;
+                                common_j = common;
+                            } else {
+                                i = k;
+                                common_i = common;
+                            }
+                            if (j - i <= 1) {
+                                if (i > 0 || j == i || first_key_inspected)
+                                    break;
+                                first_key_inspected = true;
+                            }
+                        }
+                        while (true) {
+                            var w = v[i];
+                            if (common_i >= w.s_size) {
+                                this.cursor = c - w.s_size;
+                                if (!w.method)
+                                    return w.result;
+                                var res = w.method();
+                                this.cursor = c - w.s_size;
+                                if (res)
+                                    return w.result;
+                            }
+                            i = w.substring_i;
+                            if (i < 0)
+                                return 0;
+                        }
+                    },
+                    replace_s : function(c_bra, c_ket, s) {
+                        var adjustment = s.length - (c_ket - c_bra), left = current
+                            .substring(0, c_bra), right = current.substring(c_ket);
+                        current = left + s + right;
+                        this.limit += adjustment;
+                        if (this.cursor >= c_ket)
+                            this.cursor += adjustment;
+                        else if (this.cursor > c_bra)
+                            this.cursor = c_bra;
+                        return adjustment;
+                    },
+                    slice_check : function() {
+                        if (this.bra < 0 || this.bra > this.ket || this.ket > this.limit
+                            || this.limit > current.length)
+                            throw ("faulty slice operation");
+                    },
+                    slice_from : function(s) {
+                        this.slice_check();
+                        this.replace_s(this.bra, this.ket, s);
+                    },
+                    slice_del : function() {
+                        this.slice_from("");
+                    },
+                    insert : function(c_bra, c_ket, s) {
+                        var adjustment = this.replace_s(c_bra, c_ket, s);
+                        if (c_bra <= this.bra)
+                            this.bra += adjustment;
+                        if (c_bra <= this.ket)
+                            this.ket += adjustment;
+                    },
+                    slice_to : function() {
+                        this.slice_check();
+                        return current.substring(this.bra, this.ket);
+                    },
+                    eq_v_b : function(s) {
+                        return this.eq_s_b(s.length, s);
+                    }
+                };
+            }
+        };
+
+        lunr.trimmerSupport = {
+            generateTrimmer: function(wordCharacters) {
+                var startRegex = new RegExp("^[^" + wordCharacters + "]+")
+                var endRegex = new RegExp("[^" + wordCharacters + "]+$")
+
+                return function(token) {
+                    // for lunr version 2
+                    if (typeof token.update === "function") {
+                        return token.update(function (s) {
+                            return s
+                                .replace(startRegex, '')
+                                .replace(endRegex, '');
+                        })
+                    } else { // for lunr version 1
+                        return token
+                            .replace(startRegex, '')
+                            .replace(endRegex, '');
+                    }
+                };
+            }
+        }
+    }
+}));

static/js/search.js

@@ -0,0 +1,122 @@
+var lunrIndex
+var lunrResult
+var pagesIndex
+
+/**
+ * Preparation for using lunr.js
+ */
+function initLunr () {
+  $.getJSON('index.json').done(function (index) {
+    pagesIndex = index
+    lunrIndex = lunr(function () {
+      this.use(lunr.ja)
+      this.ref('ref')
+      this.field('title', { boost: 10 })
+      this.field('body')
+      this.metadataWhitelist = ['position']
+      pagesIndex.forEach(function (page) {
+        this.add(page)
+      }, this)
+    })
+  }).fail(function (jqxhr, textStatus, error) {
+    var err = textStatus + ', ' + error
+    console.error('Error getting Hugo index flie:', err)
+  })
+}
+
+/**
+ * Searching pages using lunr
+ * @param {String} query Query string for searching
+ * @return {Object[]} Array of search results
+ */
+function search (query) {
+  lunrResult = lunrIndex.search(query)
+  return lunrResult.map(function (result) {
+    return pagesIndex.filter(function (page) {
+      return page.ref === result.ref
+    })[0]
+  })
+}
+
+/**
+ * Setup UI for Search
+ */
+function initUI () {
+
+  // Clear query when clear icon is clicked
+  $('#searchBoxIcon').click(function () {
+    $('#searchBox').val('')
+    $('#searchBox').trigger('keyup')
+  })
+
+  // Event when chenging query
+  $('#searchBox').keyup(function () {
+    var $searchResults = $('#searchResults')
+    var query = $(this).val()
+
+    // Icon switching
+    if (query.length) {
+      $('#searchBoxIcon').attr('src', '/img/clear.png')
+      $('#searchBoxIcon').css('cursor', 'pointer')
+    } else {
+      $('#searchBoxIcon').attr('src', '/img/search.png')
+      $('#searchBoxIcon').css('cursor', 'default')
+    }
+
+    // Only trigger a search when 2 chars. at least have been provided
+    if (query.length < 2) {
+      $searchResults.hide()
+      return
+    }
+
+    // Display search results
+    renderResults(search(query))
+    $searchResults.show()
+  })
+
+  // Emit keyup event for when the query is already setted with browser back etc.
+  $('#searchBox').trigger('keyup')
+}
+
+/**
+ * Rendering search results
+ * @param {Object[]} results Array of search results
+ */
+function renderResults (results) {
+  var $searchResults = $('#searchResults')
+  var query = $('#searchBox').val()
+  var BODY_LENGTH = 100
+  var MAX_PAGES = 10
+
+  // Clear search result
+  $searchResults.empty()
+
+  // Show message when results is empty
+  if (!results.length) {
+    $searchResults.append('<div class="searchResultPage">No results found for query "' + query + '"</div>')
+    return
+  }
+
+  // Only show the ten first results
+  results.slice(0, MAX_PAGES).forEach(function (result, idx) {
+    var $searchResultPage = $('<div class="searchResultPage">')
+    var metadata = lunrResult[idx].matchData.metadata
+    var matchPosition = metadata[Object.keys(metadata)[0]].body.position[0][0]
+    var bodyStartPosition = (matchPosition - (BODY_LENGTH / 2) > 0) ? matchPosition - (BODY_LENGTH / 2) : 0
+
+    $searchResultPage.append('<a class="searchResultTitle" href="' + result.ref + '">' + result.title + '</a>')
+
+    $searchResultPage.append('<div class="searchResultBody">' + result.body.substr(bodyStartPosition, BODY_LENGTH) + '</div>')
+    $searchResults.append($searchResultPage)
+
+    // Highlight keyword
+    $('#searchResults').mark(query)
+  })
+}
+
+initLunr()
+
+$(function () {
+  initUI()
+})
+

static/js/tinyseg.js

@@ -0,0 +1,207 @@
+/**
+ * export the module via AMD, CommonJS or as a browser global
+ * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js
+ */
+;(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define(factory)
+    } else if (typeof exports === 'object') {
+        /**
+         * Node. Does not work with strict CommonJS, but
+         * only CommonJS-like environments that support module.exports,
+         * like Node.
+         */
+        module.exports = factory()
+    } else {
+        // Browser globals (root is window)
+        factory()(root.lunr);
+    }
+}(this, function () {
+    /**
+     * Just return a value to define the module export.
+     * This example returns an object, but the module
+     * can return a function as the exported value.
+     */
+
+    return function(lunr) {
+        // TinySegmenter 0.1 -- Super compact Japanese tokenizer in Javascript
+        // (c) 2008 Taku Kudo <taku@chasen.org>
+        // TinySegmenter is freely distributable under the terms of a new BSD licence.
+        // For details, see http://chasen.org/~taku/software/TinySegmenter/LICENCE.txt
+
+        function TinySegmenter() {
+          var patterns = {
+            "[一二三四五六七八九十百千万億兆]":"M",
+            "[一-龠々〆ヵヶ]":"H",
+            "[ぁ-ん]":"I",
+            "[ァ-ヴーｱ-ﾝﾞｰ]":"K",
+            "[a-zA-Zａ-ｚＡ-Ｚ]":"A",
+            "[0-9０-９]":"N"
+          }
+          this.chartype_ = [];
+          for (var i in patterns) {
+            var regexp = new RegExp;
+            regexp.compile(i)
+            this.chartype_.push([regexp, patterns[i]]);
+          }
+
+          this.BIAS__ = -332
+          this.BC1__ = {"HH":6,"II":2461,"KH":406,"OH":-1378};
+          this.BC2__ = {"AA":-3267,"AI":2744,"AN":-878,"HH":-4070,"HM":-1711,"HN":4012,"HO":3761,"IA":1327,"IH":-1184,"II":-1332,"IK":1721,"IO":5492,"KI":3831,"KK":-8741,"MH":-3132,"MK":3334,"OO":-2920};
+          this.BC3__ = {"HH":996,"HI":626,"HK":-721,"HN":-1307,"HO":-836,"IH":-301,"KK":2762,"MK":1079,"MM":4034,"OA":-1652,"OH":266};
+          this.BP1__ = {"BB":295,"OB":304,"OO":-125,"UB":352};
+          this.BP2__ = {"BO":60,"OO":-1762};
+          this.BQ1__ = {"BHH":1150,"BHM":1521,"BII":-1158,"BIM":886,"BMH":1208,"BNH":449,"BOH":-91,"BOO":-2597,"OHI":451,"OIH":-296,"OKA":1851,"OKH":-1020,"OKK":904,"OOO":2965};
+          this.BQ2__ = {"BHH":118,"BHI":-1159,"BHM":466,"BIH":-919,"BKK":-1720,"BKO":864,"OHH":-1139,"OHM":-181,"OIH":153,"UHI":-1146};
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+          this.TC2__ = {"HHO":2088,"HII":-1023,"HMM":-1154,"IHI":-1965,"KKH":703,"OII":-2649};
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+          this.TQ3__ = {"BHHH":478,"BHHM":-1073,"BHIH":222,"BHII":-504,"BIIH":-116,"BIII":-105,"BMHI":-863,"BMHM":-464,"BOMH":620,"OHHH":346,"OHHI":1729,"OHII":997,"OHMH":481,"OIHH":623,"OIIH":1344,"OKAK":2792,"OKHH":587,"OKKA":679,"OOHH":110,"OOII":-685};
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+          this.UC1__ = {"A":484,"K":93,"M":645,"O":-505};
+          this.UC2__ = {"A":819,"H":1059,"I":409,"M":3987,"N":5775,"O":646};
+          this.UC3__ = {"A":-1370,"I":2311};
+          this.UC4__ = {"A":-2643,"H":1809,"I":-1032,"K":-3450,"M":3565,"N":3876,"O":6646};
+          this.UC5__ = {"H":313,"I":-1238,"K":-799,"M":539,"O":-831};
+          this.UC6__ = {"H":-506,"I":-253,"K":87,"M":247,"O":-387};
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+          this.UP2__ = {"B":69,"O":935};
+          this.UP3__ = {"B":189};
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+          this.UW5__ = {",":465,".":-299,"1":-514,"E2":-32768,"]":-2762,"、":465,"。":-299,"「":363,"あ":1655,"い":331,"う":-503,"え":1199,"お":527,"か":647,"が":-421,"き":1624,"ぎ":1971,"く":312,"げ":-983,"さ":-1537,"し":-1371,"す":-852,"だ":-1186,"ち":1093,"っ":52,"つ":921,"て":-18,"で":-850,"と":-127,"ど":1682,"な":-787,"に":-1224,"の":-635,"は":-578,"べ":1001,"み":502,"め":865,"ゃ":3350,"ょ":854,"り":-208,"る":429,"れ":504,"わ":419,"を":-1264,"ん":327,"イ":241,"ル":451,"ン":-343,"中":-871,"京":722,"会":-1153,"党":-654,"務":3519,"区":-901,"告":848,"員":2104,"大":-1296,"学":-548,"定":1785,"嵐":-1304,"市":-2991,"席":921,"年":1763,"思":872,"所":-814,"挙":1618,"新":-1682,"日":218,"月":-4353,"査":932,"格":1356,"機":-1508,"氏":-1347,"田":240,"町":-3912,"的":-3149,"相":1319,"省":-1052,"県":-4003,"研":-997,"社":-278,"空":-813,"統":1955,"者":-2233,"表":663,"語":-1073,"議":1219,"選":-1018,"郎":-368,"長":786,"間":1191,"題":2368,"館":-689,"１":-514,"Ｅ２":-32768,"｢":363,"ｲ":241,"ﾙ":451,"ﾝ":-343};
+          this.UW6__ = {",":227,".":808,"1":-270,"E1":306,"、":227,"。":808,"あ":-307,"う":189,"か":241,"が":-73,"く":-121,"こ":-200,"じ":1782,"す":383,"た":-428,"っ":573,"て":-1014,"で":101,"と":-105,"な":-253,"に":-149,"の":-417,"は":-236,"も":-206,"り":187,"る":-135,"を":195,"ル":-673,"ン":-496,"一":-277,"中":201,"件":-800,"会":624,"前":302,"区":1792,"員":-1212,"委":798,"学":-960,"市":887,"広":-695,"後":535,"業":-697,"相":753,"社":-507,"福":974,"空":-822,"者":1811,"連":463,"郎":1082,"１":-270,"Ｅ１":306,"ﾙ":-673,"ﾝ":-496};
+          
+          return this;
+        }
+        TinySegmenter.prototype.ctype_ = function(str) {
+          for (var i in this.chartype_) {
+            if (str.match(this.chartype_[i][0])) {
+              return this.chartype_[i][1];
+            }
+          }
+          return "O";
+        }
+
+        TinySegmenter.prototype.ts_ = function(v) {
+          if (v) { return v; }
+          return 0;
+        }
+
+        TinySegmenter.prototype.segment = function(input) {
+          if (input == null || input == undefined || input == "") {
+            return [];
+          }
+          var result = [];
+          var seg = ["B3","B2","B1"];
+          var ctype = ["O","O","O"];
+          var o = input.split("");
+          for (i = 0; i < o.length; ++i) {
+            seg.push(o[i]);
+            ctype.push(this.ctype_(o[i]))
+          }
+          seg.push("E1");
+          seg.push("E2");
+          seg.push("E3");
+          ctype.push("O");
+          ctype.push("O");
+          ctype.push("O");
+          var word = seg[3];
+          var p1 = "U";
+          var p2 = "U";
+          var p3 = "U";
+          for (var i = 4; i < seg.length - 3; ++i) {
+            var score = this.BIAS__;
+            var w1 = seg[i-3];
+            var w2 = seg[i-2];
+            var w3 = seg[i-1];
+            var w4 = seg[i];
+            var w5 = seg[i+1];
+            var w6 = seg[i+2];
+            var c1 = ctype[i-3];
+            var c2 = ctype[i-2];
+            var c3 = ctype[i-1];
+            var c4 = ctype[i];
+            var c5 = ctype[i+1];
+            var c6 = ctype[i+2];
+            score += this.ts_(this.UP1__[p1]);
+            score += this.ts_(this.UP2__[p2]);
+            score += this.ts_(this.UP3__[p3]);
+            score += this.ts_(this.BP1__[p1 + p2]);
+            score += this.ts_(this.BP2__[p2 + p3]);
+            score += this.ts_(this.UW1__[w1]);
+            score += this.ts_(this.UW2__[w2]);
+            score += this.ts_(this.UW3__[w3]);
+            score += this.ts_(this.UW4__[w4]);
+            score += this.ts_(this.UW5__[w5]);
+            score += this.ts_(this.UW6__[w6]);
+            score += this.ts_(this.BW1__[w2 + w3]);
+            score += this.ts_(this.BW2__[w3 + w4]);
+            score += this.ts_(this.BW3__[w4 + w5]);
+            score += this.ts_(this.TW1__[w1 + w2 + w3]);
+            score += this.ts_(this.TW2__[w2 + w3 + w4]);
+            score += this.ts_(this.TW3__[w3 + w4 + w5]);
+            score += this.ts_(this.TW4__[w4 + w5 + w6]);
+            score += this.ts_(this.UC1__[c1]);
+            score += this.ts_(this.UC2__[c2]);
+            score += this.ts_(this.UC3__[c3]);
+            score += this.ts_(this.UC4__[c4]);
+            score += this.ts_(this.UC5__[c5]);
+            score += this.ts_(this.UC6__[c6]);
+            score += this.ts_(this.BC1__[c2 + c3]);
+            score += this.ts_(this.BC2__[c3 + c4]);
+            score += this.ts_(this.BC3__[c4 + c5]);
+            score += this.ts_(this.TC1__[c1 + c2 + c3]);
+            score += this.ts_(this.TC2__[c2 + c3 + c4]);
+            score += this.ts_(this.TC3__[c3 + c4 + c5]);
+            score += this.ts_(this.TC4__[c4 + c5 + c6]);
+        //  score += this.ts_(this.TC5__[c4 + c5 + c6]);    
+            score += this.ts_(this.UQ1__[p1 + c1]);
+            score += this.ts_(this.UQ2__[p2 + c2]);
+            score += this.ts_(this.UQ3__[p3 + c3]);
+            score += this.ts_(this.BQ1__[p2 + c2 + c3]);
+            score += this.ts_(this.BQ2__[p2 + c3 + c4]);
+            score += this.ts_(this.BQ3__[p3 + c2 + c3]);
+            score += this.ts_(this.BQ4__[p3 + c3 + c4]);
+            score += this.ts_(this.TQ1__[p2 + c1 + c2 + c3]);
+            score += this.ts_(this.TQ2__[p2 + c2 + c3 + c4]);
+            score += this.ts_(this.TQ3__[p3 + c1 + c2 + c3]);
+            score += this.ts_(this.TQ4__[p3 + c2 + c3 + c4]);
+            var p = "O";
+            if (score > 0) {
+              result.push(word);
+              word = "";
+              p = "B";
+            }
+            p1 = p2;
+            p2 = p3;
+            p3 = p;
+            word += seg[i];
+          }
+          result.push(word);
+
+          return result;
+        }
+
+        lunr.TinySegmenter = TinySegmenter;
+    };
+
+}));