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34 lines
664 B
JavaScript
34 lines
664 B
JavaScript
'use strict';
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var toRegex = require('to-regex');
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var regexNot = require('regex-not');
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var cached;
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/**
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* Get the last element from `array`
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* @param {Array} `array`
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* @return {*}
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*/
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exports.last = function(arr) {
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return arr[arr.length - 1];
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};
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/**
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* Create and cache regex to use for text nodes
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*/
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exports.createRegex = function(pattern, include) {
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if (cached) return cached;
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var opts = {contains: true, strictClose: false};
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var not = regexNot.create(pattern, opts);
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var re;
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if (typeof include === 'string') {
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re = toRegex('^(?:' + include + '|' + not + ')', opts);
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} else {
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re = toRegex(not, opts);
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}
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return (cached = re);
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};
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