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