/
index.js
45 lines (41 loc) · 1.16 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
var kuromoji = require('kuromoji');
var fs = require('fs');
function availablePaths(paths) {
if ( ! Array.isArray(paths) ) {
paths = Array.prototype.slice.call(arguments);
}
return paths.filter(function(path) {
try { fs.statSync(path); }
catch(e) { return false; }
return true;
});
}
module.exports = function(robot) {
var dicPaths = [
process.env.HUBOT_KUROMOJI_DICTIONARY_PATH,
require.resolve('kuromoji').replace(/(\/node_modules\/kuromoji\/).*$/, '$1dist/dict'),
];
var dicPath = availablePaths(dicPaths)[0];
var tokenizer = null;
// register middleware
robot.receiveMiddleware(function(context, next, done) {
var message = context.response.message;
if ( tokenizer && message.tokenized === undefined && message.text ) {
message.tokenized = tokenizer.tokenize( message.text );
}
next();
});
return new Promise(function(resolve, reject) {
// initialize tokenizer
kuromoji.builder({ dicPath: dicPath }).build(function(err, _tokenizer) {
if ( err ) {
robot.logger.error(err);
reject(err);
}
else {
tokenizer = _tokenizer;
resolve();
}
});
});
}