// ==UserScript==
// @name        H2P: utils
// @namespace   http://tampermonkey.net/
// @version     0.1.1
// @description 针对 Date、localStorage 的操作
// @author      H2P
// @compatible  chrome
// ==/UserScript==
((w) => {
'use strict';
/**
* 在字符串前（后）添加 0
* @param {String} s
* @param {Number} len
* @param {Boolean} isAddFront
*/
function add0(s = '', len = 0, isAddFront = true) {
s = s.toString();
while (s.length < len) { s = isAddFront ? '0' + s : s + '0'; }
return s;
}
w.$util = (() => {
function Util() {
/**
* 键盘按键对应的 event code
*/
this.keyCode = {
'a': 65, 'b': 66, 'c': 67, 'd': 68, 'e': 69, 'f': 70, 'g': 71,
'h': 72, 'i': 73, 'j': 74, 'k': 75, 'l': 76, 'm': 77, 'n': 78,
'o': 79, 'p': 80, 'q': 81, 'r': 82, 's': 83, 't': 84,
'u': 85, 'v': 86, 'w': 87, 'x': 88, 'y': 89, 'z': 90,
}
/**
* 返回毫秒
* @param {Number} num
*/
this.timeMS = (num = 0) => {
num = Number.parseInt(num);
return num < 946684800000 ? num * 1000 : num;
}
/**
* localStorage 相关操作
*/
this.LS = (() => {
function LS() {
this.init = (itemKey = '', itemPre = {}) => {
let item = Object.assign({}, itemPre, this.get(itemKey));
for (let key in item) { if (!(key in itemPre)) { delete item[key]; } }
localStorage.removeItem(itemKey);
localStorage.setItem(itemKey, JSON.stringify(item));
return item;
}
this.set = (itemKey = '', item = {}) => { localStorage.setItem(itemKey, JSON.stringify(item)); },
this.get = (itemKey = '') => JSON.parse(localStorage.getItem(itemKey)) || {},
this.remove = (itemKey = '') => { localStorage.removeItem(itemKey); }
}
return new LS();
})();
this.HMS = (time = 0) => {
let h = Number.parseInt(time / 3600000);
let m = Number.parseInt(time % 3600000 / 60000);
let s = Number.parseInt(time % 3600000 % 60000 / 1000);
return {
h: add0(h, 2),
m: add0(m, 2),
s: add0(s, 2),
}
}
}
return new Util();
})();
// return millisecond
Date.prototype.$timems = Date.prototype.getTime;
// return second
Date.prototype.$times = function() { return Number.parseInt(this.getTime() / 1000); }
// format time: yyyy-MM-dd hh-mm-ss
Date.prototype.$formatTime = function() { return `${this.getFullYear()}-${add0(this.getMonth() + 1, 2)}-${add0(this.getDate(), 2)} ${add0(this.getHours(), 2)}:${add0(this.getMinutes(), 2)}:${add0(this.getSeconds(), 2)}`; }
// format date: yyyy-MM-dd
Date.prototype.$formatDate = function() { return `${this.getFullYear()}-${add0(this.getMonth() + 1, 2)}-${add0(this.getDate(), 2)}`; }
/**
* 根据 xpath 查询元素
* @param {String} xpath
* @param {Boolean} queryOneElement
*/
w.$H2P = (xpath = 'body', queryOneElement = true) => queryOneElement ? document.querySelector(xpath) : Array.from(document.querySelectorAll(xpath));
})(window);