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mecab-async

v0.1.2

Published

Asynchronous japanese morphological analyzer using MeCab.

Downloads

19,032

Readme

Asynchronous japanese morphological analyser using MeCab

これは何?

非同期で MeCab で結果をパースする Node.js 用モジュールです。

インストール

$ npm install mecab-async

使い方

以下のようにコールバック経由で解析結果を取得します。

var MeCab = new require('mecab-async')
  , mecab = new MeCab()
;
mecab.parse('いつもニコニコあなたの隣に這い寄る混沌ニャルラトホテプです!', function(err, result) {
    if (err) throw err;
    console.log(result);
});

結果:

[ [ 'いつも', '副詞', '一般', '*', '*', '*', '*', 'いつも', 'イツモ', 'イツモ' ],
  [ 'ニコニコ', '副詞', '助詞類接続', '*', '*', '*', '*', 'ニコニコ', 'ニコニコ', 'ニコニコ' ],
  [ 'あなた', '名詞', '代名詞', '一般', '*', '*', '*', 'あなた', 'アナタ', 'アナタ' ],
  [ 'の', '助詞', '連体化', '*', '*', '*', '*', 'の', 'ノ', 'ノ' ],
  [ '隣', '名詞', '一般', '*', '*', '*', '*', '隣', 'トナリ', 'トナリ' ],
  [ 'に', '助詞', '格助詞', '一般', '*', '*', '*', 'に', 'ニ', 'ニ' ],
  [ '這い', '動詞', '自立', '*', '*', '五段・ワ行促音便', '連用形', '這う', 'ハイ', 'ハイ' ],
  [ '寄る', '動詞', '自立', '*', '*', '五段・ラ行', '基本形', '寄る', 'ヨル', 'ヨル' ],
  [ '混沌', '名詞', '一般', '*', '*', '*', '*', '混沌', 'コントン', 'コントン' ],
  [ 'ニャルラトホテプ', '名詞', '一般', '*', '*', '*', '*', '*' ],
  [ 'です', '助動詞', '*', '*', '*', '特殊・デス', '基本形', 'です', 'デス', 'デス' ],
  [ '!', '記号', '一般', '*', '*', '*', '*', '!', '!', '!' ] ]

わかち書きもできます。

var MeCab = new require('mecab-async')
  , mecab = new MeCab()
;
mecab.wakachi('いつもニコニコあなたの隣に這い寄る混沌ニャルラトホテプです!', function(err, result) {
    if (err) throw err;
    console.log(result);
});

結果:

[ 'いつも',
  'ニコニコ',
  'あなた',
  'の',
  '隣',
  'に',
  '這い',
  '寄る',
  '混沌',
  'ニャルラトホテプ',
  'です',
  '!' ]

同期版として parseSync および wakachiSync を使用することもできます。

その他

コマンドの変更

実行される mecab コマンドのパスを明示的に指定したかったり、より詳細なオプションを指定したかったりする場合、 シェルコマンドをカスタマイズして使うこともできます。

var MeCab = new require('mecab-async')
  , mecab = new MeCab()
;
mecab.command = '/usr/local/bin/mecab -E "<改行>\\n"';   // EOSを <改行> と表示

オプション

exec コマンドの与えるオプションを以下のように指定できます。

var MeCab = new require('mecab-async')
  , mecab = new MeCab()
;
mecab.options = {
    maxBuffer: 300 * 1024,
    timeout: 1000
};

パーサ

辞書によって結果が異なる場合はparseFormatおよびparseSyncFormatで使用されるパーサをカスタマイズできます。

var MeCab = new require('mecab-async')
  , mecab = new MeCab()
;
mecab.parser = data => {
    kanji         : data[0],
    lexical       : data[1],
    compound      : data[2],
    compound2     : data[3],
    compound3     : data[4],
    conjugation   : data[5],
    inflection    : data[6],
    original      : data[7],
    reading       : data[8],
    pronunciation : data[9] || ''
};

ライセンス

The MIT License (MIT)

Copyright (c) 2017 hecomi

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.