H2P: utils

H2P: 通用脚本

通用脚本

目前為 2020-09-13 提交的版本，檢視最新版本。

此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.cn-greasyfork.org/scripts/411278/847384/H2P%3A%20%E9%80%9A%E7%94%A8%E8%84%9A%E6%9C%AC.js

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換行

// ==UserScript==
// @name        H2P: 通用脚本
// @namespace   http://tampermonkey.net/
// @version     0.0.1
// @icon        http://www.douyutv.com/favicon.ico
// @description 通用脚本
// @author      H2P
// @compatible  chrome
// ==/UserScript==

(() => {
  'use strict';

  // 在字符串前（后）添加 0
  function add0(s = '', len = 0, isAddFront = true) {
    s = s.toString();
    while (s.length < len) { s = isAddFront ? '0' + s : s + '0'; }
    return s;
  }
  // 返回毫秒
  function timeMS(num = 0) {
    num = Number.parseInt(num);
    return num < 946684800000 ? num * 1000 : num;
  }

  const $H2P  = (xpath = 'body', queryOneElement = true) => queryOneElement ? document.querySelector(xpath) : Array.from(document.querySelectorAll(xpath));
  const $LS   = {
    init: (itemKey = '', itemPre = {}) => {
      let item = Object.assign({}, itemPre, $LS.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;
    },
    set: (itemKey = '', item = {}) => { localStorage.setItem(itemKey, JSON.stringify(item)); },
    get: (itemKey = '') => JSON.parse(localStorage.getItem(itemKey)) || {},
    remove: (itemKey = '') => { localStorage.removeItem(itemKey); }
  }
  const $INVL = {
    clear: (INVLID) => { clearInterval(INVLID); INVLID = null; }
  }
  
  const $TIME   = {
    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 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)}`; } 
})();