Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
664 bytes
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1 | 'use strict';
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2 |
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3 | var toRegex = require('to-regex');
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4 | var regexNot = require('regex-not');
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5 | var cached;
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6 |
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7 | /**
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8 | * Get the last element from `array`
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9 | * @param {Array} `array`
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10 | * @return {*}
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11 | */
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12 |
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13 | exports.last = function(arr) {
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14 | return arr[arr.length - 1];
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15 | };
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16 |
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17 | /**
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18 | * Create and cache regex to use for text nodes
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19 | */
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20 |
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21 | exports.createRegex = function(pattern, include) {
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22 | if (cached) return cached;
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23 | var opts = {contains: true, strictClose: false};
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24 | var not = regexNot.create(pattern, opts);
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25 | var re;
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26 |
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27 | if (typeof include === 'string') {
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28 | re = toRegex('^(?:' + include + '|' + not + ')', opts);
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29 | } else {
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30 | re = toRegex(not, opts);
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31 | }
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32 |
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33 | return (cached = re);
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34 | };
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