node-nlp/lib/nlp/tokenizers/aggressive-tokenizer-pl.js

Library for NLU (Natural Language Understanding) done in Node.js

/*
 * Copyright (c) AXA Shared Services Spain S.A.
 *
 * 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.
 */

const AggressiveTokenizer = require('./aggressive-tokenizer');

class AggressiveTokenizerPl extends AggressiveTokenizer {
  clearText(text) {
    return text
      .replace(/[^a-zążśźęćńół0-9]/gi, ' ')
      .replace(/[\s\n]+/g, ' ')
      .trim();
  }

  tokenize(text, normalize) {
    const normalized = normalize
      ? this.clearText(text)
          .normalize('NFD')
          .replace(/[\u0300-\u036f]/g, '')
      : this.clearText(text);
    return this.clearEmptyString(normalized.split(' '));
  }
}

module.exports = AggressiveTokenizerPl;