GMLibrary

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GMLibary
当前为 2022-12-18 提交的版本，查看最新版本。
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/456410/1129370/GMLibrary.js
换行
// ==UserScript==
// @name         GMLibrary
// @namespace    http://greasyfork.icu/users/28298
// @version      1.5
// @description  GMLibary
// @author       Jerry
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        GM_setClipboard
// @grant        GM_download
// @grant        GM_addStyle
// @grant        GM_notification
// @grant        GM_xmlhttpRequest
// @noframes
// @license      GNU GPLv3
// ==/UserScript==

// match violentmonkey supports * anywhere in url
// GM_notification requires macOS to turn on notification for browser
// https://violentmonkey.github.io/api/gm/
// https://www.tampermonkey.net/documentation.php?ext=dhdg
function addbutton(text,func,top,left,width,height) {
    //top, left, [width[, height]] in px
    // e.g., width 100px, height 25px
    // https://stackoverflow.com/a/1535421/2292993
    if (window.top != window.self) {
        return;
    }   //don't run on frames or iframes

    let btn = document.createElement("button");
    btn.innerHTML = text;
    document.body.appendChild(btn);
    btn.addEventListener("click", func);

    btn.style.cssText = "border-radius: 5px; border:1px solid black; background-color:#D3D3D3; color:black";
    btn.style.position = 'absolute';
    btn.style.top = top+'px';
    btn.style.left = left+'px';
    if (width !== undefined) {btn.style.width = width+'px';}
    if (height !== undefined) {btn.style.height = height+'px';}
    console.log("top: " + top + 'px' + " left: " + left + 'px');
}

// // must call with await in async function; otherwise not working
// function sleep(ms) {
//     setTimeout(()=>{console.log("Sleeping...");},3000);
//     return new Promise(resolve => setTimeout(resolve, ms));
// }
function sleep(millis) {
    var date = new Date();
    var curDate = null;
    do { curDate = new Date(); }
    while(curDate-date < millis);
}

function hget (url) {
    // https://wiki.greasespot.net/GM.xmlHttpRequest
    // https://stackoverflow.com/a/65561572/2292993
    return new Promise((resolve, reject) => {
    GM_xmlhttpRequest({
      method: "GET",
      url: url,
      // headers: {
      //   "User-Agent": "Mozilla/5.0",    // If not specified, navigator.userAgent will be used.
      //   "Accept": "text/html"            // If not specified, browser defaults will be used.
      // },
      onload: function(response) {
        var responseXML = null;
        if (!response.responseXML) {
          responseXML = new DOMParser()
            .parseFromString(response.responseText, "text/html");
        } else {
          responseXML = response.responseXML;
        }
        resolve(responseXML);
        // console.log([
        //   response.status,
        //   response.statusText,
        //   response.readyState,
        //   response.responseHeaders,
        //   response.responseText,
        //   response.finalUrl,
        //   responseXML
        // ].join("\n"));
      },
      onerror: function(error) {
        reject(error);
      }
    });
    });
}

// https://github.com/zevero/simpleWebstorage
/*
Wonder how this works?
Storage is the Prototype of both localStorage and sessionStorage.
Got it?

localStorage.set('myKey',{a:[1,2,5], b: 'ok'}); //can set a json Object
localStorage.assign('myKey',{a:[6], c:42});     //shallow merge using Object.assign
localStorage.has('myKey');                      // --> true
localStorage.get('myKey');                      // --> {a:[6], b: 'ok', c:42}
localStorage.keys();                            // --> ['myKey']
localStorage.remove('myKey');                   // -

native:
localStorage.clear();
localStorage.length;
*/
Storage.prototype.set = function(key, obj) {
  var t = typeof obj;
  if (t==='undefined' || obj===null ) this.removeItem(key);
  this.setItem(key, (t==='object')?JSON.stringify(obj):obj);
  return obj;
};
Storage.prototype.get = function(key) {
  var obj = this.getItem(key);
  try {
     var j = JSON.parse(obj);
     if (j && typeof j === "object") return j;
   } catch (e) { }
   return obj;
};
Storage.prototype.assign = function(key, obj_merge) {
  var obj = this.get(key);
  if (typeof obj !== "object" || typeof obj_merge !== "object") return null;
  Object.assign(obj, obj_merge);
  return this.set(key,obj);
};

Storage.prototype.has = window.hasOwnProperty;
Storage.prototype.remove = window.removeItem;

Storage.prototype.keys = function(){
  return Object.keys(this.valueOf());
};