├── README.md
├── scripts
    ├── data
    │   ├── dict.js
    │   ├── dict.txt.big
    │   └── dictionary.js
    ├── finalseg.js
    ├── finalseg
    │   ├── prob_emit.js
    │   ├── prob_start.js
    │   └── prob_trans.js
    ├── main.js
    └── require.js
└── test.html


/README.md:
--------------------------------------------------------------------------------
1 | jieba-js
2 | ========
3 | 
4 | A JavaScript Chinese word segmentation tool based on Python Jieba
5 | 
6 | To run, import `dictionary.js` and `main.js`, and then call `jieba.cut("我的中文東西。")` to get a result `["我", "的", "中文", "東西", "。"]`


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/scripts/data/dict.js:
--------------------------------------------------------------------------------
  1 | var dict = [
  2 | "1号店", 3, "n",
  3 | "1號店", 3, "n",
  4 | "4S店", 3, "n",
  5 | "4s店", 3, "n",
  6 | "AA制", 3, "n",
  7 | "AB型", 3, "n",
  8 | "AT&T", 3, "nz",
  9 | "A型", 3, "n",
 10 | "A座", 3, "n",
 11 | "A股", 3, "n",
 12 | "A輪", 3, "n",
 13 | "A轮", 3, "n",
 14 | "BB机", 3, "n",
 15 | "BB機", 3, "n",
 16 | "BP机", 3, "n",
 17 | "BP機", 3, "n",
 18 | "B型", 3, "n",
 19 | "B座", 3, "n",
 20 | "B股", 3, "n",
 21 | "B超", 3, "n",
 22 | "B輪", 3, "n",
 23 | "B轮", 3, "n",
 24 | "C#", 3, "nz",
 25 | "C++", 3, "nz",
 26 | "CALL机", 3, "n",
 27 | "CALL機", 3, "n",
 28 | "CD机", 3, "n",
 29 | "CD機", 3, "n",
 30 | "CD盒", 3, "n",
 31 | "C座", 3, "n",
 32 | "C盘", 3, "n",
 33 | "C盤", 3, "n",
 34 | "C語言", 3, "n",
 35 | "C语言", 3, "n",
 36 | "D座", 3, "n",
 37 | "D版", 3, "n",
 38 | "D盘", 3, "n",
 39 | "D盤", 3, "n",
 40 | "E化", 3, "n",
 41 | "E座", 3, "n",
 42 | "E盘", 3, "n",
 43 | "E盤", 3, "n",
 44 | "E通", 3, "n",
 45 | "F座", 3, "n",
 46 | "F盘", 3, "n",
 47 | "F盤", 3, "n",
 48 | "G盘", 3, "n",
 49 | "G盤", 3, "n",
 50 | "H盘", 3, "n",
 51 | "H盤", 3, "n",
 52 | "H股", 3, "n",
 53 | "IC卡", 3, "n",
 54 | "IP卡", 3, "n",
 55 | "IP地址", 3, "n",
 56 | "IP电话", 3, "n",
 57 | "IP電話", 3, "n",
 58 | "I盘", 3, "n",
 59 | "I盤", 3, "n",
 60 | "K党", 3, "n",
 61 | "K歌之王", 3, "n",
 62 | "K黨", 3, "n",
 63 | "N年", 3, "n",
 64 | "O型", 3, "n",
 65 | "PC机", 3, "n",
 66 | "PC機", 3, "n",
 67 | "PH值", 3, "n",
 68 | "QQ号", 3, "n",
 69 | "QQ號", 3, "n",
 70 | "Q版", 3, "n",
 71 | "RSS訂閱", 3, "n",
 72 | "RSS订阅", 3, "n",
 73 | "SIM卡", 3, "n",
 74 | "T台", 3, "n",
 75 | "T型台", 3, "n",
 76 | "T型臺", 3, "n",
 77 | "T恤", 4, "n",
 78 | "T恤衫", 3, "n",
 79 | "T盘", 3, "n",
 80 | "T盤", 3, "n",
 81 | "T臺", 3, "n",
 82 | "U盘", 3, "n",
 83 | "U盤", 3, "n",
 84 | "VISA卡", 3, "n",
 85 | "X光", 3, "n",
 86 | "X光線", 3, "n",
 87 | "X光线", 3, "n",
 88 | "X射線", 3, "n",
 89 | "X射线", 3, "n",
 90 | "Z盘", 3, "n",
 91 | "Z盤", 3, "n",
 92 | "c#", 3, "nz",
 93 | "c++", 3, "nz",
 94 | "γ射線", 3, "n",
 95 | "γ射线", 3, "n",
 96 | "䰾", 7, "zg",
 97 | "䲁", 17, "zg",
 98 | "䴉", 22, "zg",
 99 | "一", 217830, "m",
100 | "一一", 1670, "m",
101 | "一一二", 11, "m",
102 | "一一例", 3, "m",
103 | "一一分", 8, "m",
104 | "一一列举", 34, "i",
105 | "一一列舉", 34, "i",
106 | "一一对", 9, "m",
107 | "一一对应", 43, "l",
108 | "一一對", 9, "m",
109 | "一一對應", 43, "l",
110 | "一一記", 2, "m",
111 | "一一记", 2, "m",
112 | "一一道來", 4, "l",
113 | "一一道来", 4, "l",
114 | "一丁", 18, "d",
115 | "一丁不識", 3, "i"
116 | ];
117 | 
118 | define(function (require) {
119 |     return dict;
120 | });


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/scripts/finalseg.js:
--------------------------------------------------------------------------------
 1 | require(["finalseg/prob_emit", "finalseg/prob_start", "finalseg/prob_trans"], function(prob_emit, prob_trans, prob_emit) {
 2 | 
 3 | 
 4 | }
 5 | 
 6 |  define(function (require) {
 7 |         var re_han = /([\u4E00-\u9FA5a-zA-Z0-9+#&\._]+)/,
 8 |             re_skip = /(\r\n|\s)/;
 9 | 
10 | def viterbi(obs, states, start_p, trans_p, emit_p):
11 |     V = [{}] #tabular
12 |     path = {}
13 |     for y in states: #init
14 |         V[0][y] = start_p[y] + emit_p[y].get(obs[0],MIN_FLOAT)
15 |         path[y] = [y]
16 |     for t in range(1,len(obs)):
17 |         V.append({})
18 |         newpath = {}
19 |         for y in states:
20 |             em_p = emit_p[y].get(obs[t],MIN_FLOAT)
21 |             (prob,state ) = max([(V[t-1][y0] + trans_p[y0].get(y,MIN_FLOAT) + em_p ,y0) for y0 in PrevStatus[y] ])
22 |             V[t][y] =prob
23 |             newpath[y] = path[state] + [y]
24 |         path = newpath
25 | 
26 |     (prob, state) = max([(V[len(obs) - 1][y], y) for y in ('E','S')])
27 | 
28 |     return (prob, path[state])
29 | 
30 | 
31 | def __cut(sentence):
32 |     global emit_P
33 |     prob, pos_list =  viterbi(sentence,('B','M','E','S'), start_P, trans_P, emit_P)
34 |     begin, next = 0,0
35 |     #print pos_list, sentence
36 |     for i,char in enumerate(sentence):
37 |         pos = pos_list[i]
38 |         if pos=='B':
39 |             begin = i
40 |         elif pos=='E':
41 |             yield sentence[begin:i+1]
42 |             next = i+1
43 |         elif pos=='S':
44 |             yield char
45 |             next = i+1
46 |     if next<len(sentence):
47 |         yield sentence[next:]
48 | 
49 |     var __cut = function(sentence) {
50 |         var v = viterbi(sentence,('B','M','E','S'), start_P, trans_P, emit_P);
51 | 
52 |     }
53 | 
54 |     return {
55 |         cut: function(sentence) {
56 |             var yieldValues = [];
57 |             var blocks = sentence.split(re_han);
58 |             for (blk in blocks) {
59 |                 if (blk.match(re_han)) {
60 |                     for (word in __cut(blk)) {
61 |                         yieldValues.push(word);
62 |                     }
63 |                 }
64 |                 else {
65 |                     var tmp = blk.split(re_skip);
66 |                     for (x in tmp) {
67 |                         if (x != "") {
68 |                             yieldValues.push(x);
69 |                         }
70 |                     }
71 |                 }
72 |             }
73 |             return yieldValues;
74 |         }
75 |     };
76 | });


--------------------------------------------------------------------------------
/scripts/finalseg/prob_start.js:
--------------------------------------------------------------------------------
1 | P={'B': -0.26268660809250016,
2 |  'E': -3.14e+100,
3 |  'M': -3.14e+100,
4 |  'S': -1.4652633398537678}
5 | 


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/scripts/finalseg/prob_trans.js:
--------------------------------------------------------------------------------
1 | P={'B': {'E': -0.510825623765990, 'M': -0.916290731874155},
2 |  'E': {'B': -0.5897149736854513, 'S': -0.8085250474669937},
3 |  'M': {'E': -0.33344856811948514, 'M': -1.2603623820268226},
4 |  'S': {'B': -0.7211965654669841, 'S': -0.6658631448798212}}
5 | 


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/scripts/main.js:
--------------------------------------------------------------------------------
  1 | require(["data/dictionary"], function(dictionary) {
  2 |     var trie = {}, // to be initialized
  3 |         FREQ = {},
  4 |         total = 0.0,
  5 |         min_freq = 0.0,
  6 |         initialized = false;
  7 | 
  8 |     var max_of_array = function(array){return Math.max.apply(Math, array)},
  9 |         min_of_array = function(array){return Math.min.apply(Math, array)};
 10 | 
 11 |     var gen_trie = function () {
 12 |         var lfreq = {},
 13 |             trie = {},
 14 |             ltotal = 0.0;
 15 | 
 16 |         for (var i = 0; i < dictionary.length; i++) {
 17 |             var entry = dictionary[i],
 18 |                 word = entry[0],
 19 |                 freq = entry[1];
 20 |             lfreq[word] = freq;
 21 |             ltotal += freq;
 22 |             p = trie;
 23 |             for (var ci = 0; ci < word.length; ci++) {
 24 |                 var c = word[ci];
 25 |                 if (!(c in p)) {
 26 |                     p[c] = {};
 27 |                 }
 28 |                 p = p[c];
 29 |             }
 30 |             p[''] = ''; // ending flag
 31 |         }
 32 | 
 33 |         return [trie, lfreq, ltotal];
 34 |     }
 35 | 
 36 |     var initialize = function() {
 37 |         if (initialized === true) {
 38 |             return;
 39 |         }
 40 |         if (trie) {
 41 |             trie = {};
 42 |         }
 43 |         console.log("Building Trie...");
 44 | 
 45 |         var gar = gen_trie();
 46 |         trie = gar[0];
 47 |         FREQ = gar[1];
 48 |         total = gar[2];
 49 | 
 50 |         var min_freq = Infinity;
 51 |         // normalize:
 52 |         for (k in FREQ) {
 53 |             var v = FREQ[k];
 54 |             FREQ[k] = Math.log(v / total);
 55 |             if (FREQ[k] < min_freq) {
 56 |                 min_freq = FREQ[k];
 57 |             }
 58 |         }
 59 |         initialized = true;
 60 | 
 61 |         console.log("Trie built!", trie);
 62 |     }
 63 | 
 64 |     var get_DAG = function(sentence) {
 65 |         var N = sentence.length,
 66 |             i = 0,
 67 |             j = 0,
 68 |             p = trie,
 69 |             DAG = {};
 70 | 
 71 |         while (i < N) {
 72 |             var c = sentence[j];
 73 |             if (c in p) {
 74 |                 p = p[c];
 75 |                 if ('' in p) {
 76 |                     if (!(i in DAG)){
 77 |                         DAG[i] = [];
 78 |                     }
 79 |                     DAG[i].push(j);
 80 |                 }
 81 |                 j += 1;
 82 |                 if (j >= N) {
 83 |                     i += 1;
 84 |                     j = i;
 85 |                     p = trie;
 86 |                 }
 87 |             }
 88 |             else {
 89 |                 p = trie;
 90 |                 i += 1;
 91 |                 j = i;
 92 |             }
 93 |         }
 94 |         for (i = 0; i < sentence.length; i++) {
 95 |             if (!(i in DAG)) {
 96 |                 DAG[i] = [i];
 97 |             }
 98 |         }
 99 |         return DAG;
100 |     }
101 | 
102 |     var calc = function( sentence, DAG, idx, route ) {
103 |         var N = sentence.length;
104 |         route[N] = [0.0, ''];
105 |         for (idx = N - 1; idx > -1; idx--) {
106 |             candidates = [];
107 |             candidates_x = [];
108 |             for (xi in DAG[idx]) {
109 |                 var x = DAG[idx][xi];
110 |                 var f = ((sentence.substring(idx, x+1) in FREQ) ? FREQ[sentence.substring(idx, x+1)] : min_freq);
111 |                 candidates.push(f + route[x+1][0]);
112 |                 candidates_x.push(x);
113 |             }
114 |             var m = max_of_array(candidates);
115 |             console.log('max is', m);
116 |             route[idx] = [m, candidates_x[candidates.indexOf(m)]];
117 |         }
118 |     }
119 | 
120 |     var __cut_DAG = function(sentence) {
121 |         // finalseg is still to be implemented,
122 |         // so this is also unfinished. Use __cut_DAG_NO_HMM
123 |         // for now
124 | 
125 |         var DAG = get_DAG(sentence);
126 |         var route = {};
127 |         var yieldValues = [];
128 | 
129 |         calc(sentence, DAG, 0, route);
130 | 
131 |         var x = 0,
132 |             buf = '',
133 |             N = sentence.length;
134 | 
135 |         while(x < N) {
136 |             var y = route[x][1]+1,
137 |                 l_word = sentence.substring(x, y);
138 |             if (y - x == 1) {
139 |                 buf += l_word;
140 |             }
141 |             else {
142 |                 if (buf.length > 0) {
143 |                     if (buf.length == 1) {
144 |                         yieldValues.push(buf);
145 |                     }
146 |                     else {
147 |                         if (!(buf in FREQ)) {
148 |                             var recognized = finalseg.cut(buf);
149 |                             for (t in recognized) {
150 |                                 yieldValues.push(recognized[t]);
151 |                             }
152 |                         }
153 |                         else {
154 |                             for (elem in buf) {
155 |                                 yieldValues.push(buf[elem]);
156 |                             }
157 |                         }
158 |                         buf = "";
159 |                     }
160 |                 }
161 |                 yieldValues.push(l_word);
162 |             }
163 |             x = y;
164 |         }
165 | 
166 | 
167 |         if (buf.length > 0) {
168 |             if (buf.length == 1) {
169 |                 yieldValues.push(buf);
170 |             }
171 |             else {
172 |                 if (!(buf in FREQ)) {
173 |                     var recognized = finalseg.cut(buf);
174 |                     for (t in recognized) {
175 |                         yieldValues.push(recognized[t]);
176 |                     }
177 |                 }
178 |                 else {
179 |                     for (elem in buf) {
180 |                         yieldValues.push(buf[elem]);
181 |                     }
182 |                 }
183 |             }
184 |         }
185 |         return yieldValues;
186 |     }
187 | 
188 |     var __cut_DAG_NO_HMM = function (sentence) {
189 |         var re_eng = /[a-zA-Z0-9]/,
190 |             route = {},
191 |             yieldValues = [];
192 | 
193 |         var DAG = get_DAG(sentence);
194 |         console.log("DAG", DAG);
195 |         calc(sentence, DAG, 0, route);
196 | 
197 |         console.log(route);
198 | 
199 |         var x = 0,
200 |             buf = '',
201 |             N = sentence.length;
202 | 
203 |         while (x < N) {
204 |             y = route[x][1] + 1;
205 |             l_word = sentence.substring(x, y);
206 |             console.log(l_word, l_word.match(re_eng))
207 |             if (l_word.match(re_eng) && l_word.length == 1) {
208 |                 buf += l_word;
209 |                 x = y;
210 |             }
211 |             else {
212 |                 if (buf.length > 0) {
213 |                     yieldValues.push(buf);
214 |                     buf = '';
215 |                 }
216 |                 yieldValues.push(l_word);
217 |                 x = y;
218 |             }
219 |         }
220 |         if (buf.length > 0) {
221 |             yieldValues.push(buf);
222 |             buf = '';
223 |         }
224 |         return yieldValues;
225 |     }
226 | 
227 |     var cut = function(sentence){
228 |         var cut_all = false,
229 |             HMM = false,
230 |             yieldValues = [];
231 | 
232 |         var re_han = /([\u4E00-\u9FA5a-zA-Z0-9+#&\._]+)/,
233 |             re_skip = /(\r\n|\s)/;
234 | 
235 |         var blocks = sentence.split(re_han);
236 |         var cut_block = HMM ? __cut_DAG : __cut_DAG_NO_HMM;
237 | 
238 |         for (b in blocks) {
239 |             var blk = blocks[b];
240 |             console.log(b, blk);
241 |             if (blk.length == 0) {
242 |                 continue;
243 |             }
244 | 
245 |             if (blk.match(re_han)) {
246 |                 var cutted = cut_block(blk);
247 |                 console.log("matches", cutted);
248 |                 for (w in cutted) {
249 |                     var word = cutted[w];
250 |                     yieldValues.push(word);
251 |                 }
252 |             }
253 |             else {
254 |                 var tmp = blk.split(re_skip);
255 |                 for (var i = 0; i < tmp.length; i++) {
256 |                     var x = tmp[i];
257 |                     if (x.match(re_skip)) {
258 |                         yieldValues.push(x);
259 |                     }
260 |                     else if (!cut_all) {
261 |                         for (xi in x) {
262 |                             yieldValues.push(x[xi]);
263 |                         }
264 |                     }
265 |                     else {
266 |                         yieldValues.push(x);
267 |                     }
268 |                 }
269 |             }
270 |         }
271 |         return yieldValues;
272 |     }
273 | 
274 |     // initialize when the file loads (no lazy-loading yet):
275 |     initialize();
276 | 
277 |     console.log(cut("我爸新学会了一项解决日常烦闷的活动，就是把以前的照片抱回办公室扫描保存，弄成电子版的。更无法接受的是，还居然放到网上来，时不时给我两张。这些积尘的化石居然突然重现，简直是招架不住。这个怀旧的阀门一旦打开，那就直到意识模糊都没停下来。"));
278 | });


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/scripts/require.js:
--------------------------------------------------------------------------------
 1 | /*
 2 |  RequireJS 2.1.9 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
 3 |  Available via the MIT or new BSD license.
 4 |  see: http://github.com/jrburke/requirejs for details
 5 | */
 6 | var requirejs,require,define;
 7 | (function(Z){function H(b){return"[object Function]"===L.call(b)}function I(b){return"[object Array]"===L.call(b)}function y(b,c){if(b){var e;for(e=0;e<b.length&&(!b[e]||!c(b[e],e,b));e+=1);}}function M(b,c){if(b){var e;for(e=b.length-1;-1<e&&(!b[e]||!c(b[e],e,b));e-=1);}}function t(b,c){return ga.call(b,c)}function l(b,c){return t(b,c)&&b[c]}function F(b,c){for(var e in b)if(t(b,e)&&c(b[e],e))break}function Q(b,c,e,h){c&&F(c,function(c,j){if(e||!t(b,j))h&&"string"!==typeof c?(b[j]||(b[j]={}),Q(b[j],
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19 | this.exports?d=b.exports:void 0===d&&this.usingExports&&(d=this.exports));if(a)return a.requireMap=this.map,a.requireModules=this.map.isDefine?[this.map.id]:null,a.requireType=this.map.isDefine?"define":"require",v(this.error=a)}else d=m;this.exports=d;if(this.map.isDefine&&!this.ignore&&(r[c]=d,j.onResourceLoad))j.onResourceLoad(i,this.map,this.depMaps);x(c);this.defined=!0}this.defining=!1;this.defined&&!this.defineEmitted&&(this.defineEmitted=!0,this.emit("defined",this.exports),this.defineEmitComplete=
20 | !0)}}else this.fetch()}},callPlugin:function(){var a=this.map,b=a.id,e=n(a.prefix);this.depMaps.push(e);s(e,"defined",u(this,function(d){var m,e;e=this.map.name;var g=this.map.parentMap?this.map.parentMap.name:null,h=i.makeRequire(a.parentMap,{enableBuildCallback:!0});if(this.map.unnormalized){if(d.normalize&&(e=d.normalize(e,function(a){return c(a,g,!0)})||""),d=n(a.prefix+"!"+e,this.map.parentMap),s(d,"defined",u(this,function(a){this.init([],function(){return a},null,{enabled:!0,ignore:!0})})),
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32 | typeof setTimeout?function(b){setTimeout(b,4)}:function(b){b()};require||(require=j);j.version="2.1.9";j.jsExtRegExp=/^\/|:|\?|\.js$/;j.isBrowser=z;w=j.s={contexts:E,newContext:ha};j({});y(["toUrl","undef","defined","specified"],function(b){j[b]=function(){var c=E._;return c.require[b].apply(c,arguments)}});if(z&&(x=w.head=document.getElementsByTagName("head")[0],C=document.getElementsByTagName("base")[0]))x=w.head=C.parentNode;j.onError=aa;j.createNode=function(b){var c=b.xhtml?document.createElementNS("http://www.w3.org/1999/xhtml",
33 | "html:script"):document.createElement("script");c.type=b.scriptType||"text/javascript";c.charset="utf-8";c.async=!0;return c};j.load=function(b,c,e){var h=b&&b.config||{};if(z)return h=j.createNode(h,c,e),h.setAttribute("data-requirecontext",b.contextName),h.setAttribute("data-requiremodule",c),h.attachEvent&&!(h.attachEvent.toString&&0>h.attachEvent.toString().indexOf("[native code"))&&!W?(O=!0,h.attachEvent("onreadystatechange",b.onScriptLoad)):(h.addEventListener("load",b.onScriptLoad,!1),h.addEventListener("error",
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37 | 


--------------------------------------------------------------------------------
/test.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 | <head>
 4 | 	<title></title>
 5 | </head>
 6 | <body>
 7 | 
 8 | <script data-main="scripts/main" src="scripts/require.js"></script>
 9 | </body>
10 | </html>


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