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67 lines
3.0 KiB
JavaScript
67 lines
3.0 KiB
JavaScript
/*
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█████████████████████████████████████████████████████████████
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██ ██
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██ ███ ███ ██ ██ ███████ ██
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██ ████ ████ ██ ██ ██ ██
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██ ██ ████ ██ ██ ██ █████ ██
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██ ██ ██ ██ ██ ██ ██ ██
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██ ██ ██ ██████ ███████ ██
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██ ██
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██ ██
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██ Copyright 2018-2019 David Ralph (ohlookitsderpy) ██
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██ Licensed under MIT ██
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██ GitHub: https://github.com/ohlookitsderpy/Mue ██
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██ ██
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██ Special thanks to contributors! <3 ██
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█████████████████████████████████████████████████████████████
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*/
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module.exports = class Util {
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// Format time
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static formatTimeUnit(unit) {
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return unit < 10 ? '0' + unit : unit;
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}
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// Get random item
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static getRandIndex(array) {
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return Math.floor(Math.random() * (array.length - 1));
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}
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// Pick random from array
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static pickFromArray(array) {
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return array[Math.floor(Math.random() * (array.length - 1))];
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}
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static contains(needle) {
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const findNaN = needle !== needle;
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let indexOf;
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if (!findNaN && typeof Array.prototype.indexOf === 'function') indexOf = Array.prototype.indexOf;
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else {
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indexOf = (needle) => {
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let i = -1,
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index = -1;
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for (i = 0; i < this.length; i++) {
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const item = this[i];
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if ((findNaN && item !== item) || item === needle) {
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index = i;
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break;
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}
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}
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return index;
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};
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}
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return indexOf.call(this, needle) > -1;
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}
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static getJSON(url, callback) {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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xhr.responseType = 'json';
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xhr.onload = () => {
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var status = xhr.status;
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if (status === 200) callback(null, xhr.response);
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else callback(status, xhr.response);
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};
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xhr.send();
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};
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}; |