☰

常用函数

自用函数 For wenku8++

当前为 2022-08-26 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.gf.qytechs.cn/scripts/449412/1085783/Basic%20Functions.js 

  1. /* eslint-disable no-multi-spaces */
  2.  
  3. // ==UserScript==
  4. // @name               Basic Functions
  5. // @name:zh-CN         常用函数
  6. // @name:en            Basic Functions
  7. // @namespace          Wenku8++
  8. // @version            0.4
  9. // @description        自用函数 For wenku8++
  10. // @description:zh-CN  自用函数 For wenku8++
  11. // @description:en     Useful functions for myself
  12. // @author             PY-DNG
  13. // @license            GPL-license
  14. // @grant              GM_info
  15. // @grant              GM_addStyle
  16. // @grant              GM_addElement
  17. // @grant              GM_deleteValue
  18. // @grant              GM_listValues
  19. // @grant              GM_addValueChangeListener
  20. // @grant              GM_removeValueChangeListener
  21. // @grant              GM_setValue
  22. // @grant              GM_getValue
  23. // @grant              GM_log
  24. // @grant              GM_getResourceText
  25. // @grant              GM_getResourceURL
  26. // @grant              GM_registerMenuCommand
  27. // @grant              GM_unregisterMenuCommand
  28. // @grant              GM_openInTab
  29. // @grant              GM_xmlhttpRequest
  30. // @grant              GM_download
  31. // @grant              GM_getTab
  32. // @grant              GM_saveTab
  33. // @grant              GM_getTabs
  34. // @grant              GM_notification
  35. // @grant              GM_setClipboard
  36. // @grant              GM_info
  37. // @grant              unsafeWindow
  38. // ==/UserScript==
  39.  
  40. const LogLevel = {
  41. 	None: 0,
  42. 	Error: 1,
  43. 	Success: 2,
  44. 	Warning: 3,
  45. 	Info: 4,
  46. }
  47.  
  48. // Arguments: level=LogLevel.Info, logContent, asObject=false
  49. // Needs one call "DoLog();" to get it initialized before using it!
  50. function DoLog() {
  51. 	// Get window
  52. 	const win = (typeof(unsafeWindow) === 'object' && unsafeWindow !== null) ? unsafeWindow : window;
  53.  
  54. 	const LogLevelMap = {};
  55. 	LogLevelMap[LogLevel.None] = {
  56. 		prefix: '',
  57. 		color: 'color:#ffffff'
  58. 	}
  59. 	LogLevelMap[LogLevel.Error] = {
  60. 		prefix: '[Error]',
  61. 		color: 'color:#ff0000'
  62. 	}
  63. 	LogLevelMap[LogLevel.Success] = {
  64. 		prefix: '[Success]',
  65. 		color: 'color:#00aa00'
  66. 	}
  67. 	LogLevelMap[LogLevel.Warning] = {
  68. 		prefix: '[Warning]',
  69. 		color: 'color:#ffa500'
  70. 	}
  71. 	LogLevelMap[LogLevel.Info] = {
  72. 		prefix: '[Info]',
  73. 		color: 'color:#888888'
  74. 	}
  75. 	LogLevelMap[LogLevel.Elements] = {
  76. 		prefix: '[Elements]',
  77. 		color: 'color:#000000'
  78. 	}
  79.  
  80. 	// Current log level
  81. 	DoLog.logLevel = win.isPY_DNG ? LogLevel.Info : LogLevel.Warning; // Info Warning Success Error
  82.  
  83. 	// Log counter
  84. 	DoLog.logCount === undefined && (DoLog.logCount = 0);
  85.  
  86. 	// Get args
  87. 	let level, logContent, asObject;
  88. 	switch (arguments.length) {
  89. 		case 1:
  90. 			level = LogLevel.Info;
  91. 			logContent = arguments[0];
  92. 			asObject = false;
  93. 			break;
  94. 		case 2:
  95. 			level = arguments[0];
  96. 			logContent = arguments[1];
  97. 			asObject = false;
  98. 			break;
  99. 		case 3:
  100. 			level = arguments[0];
  101. 			logContent = arguments[1];
  102. 			asObject = arguments[2];
  103. 			break;
  104. 		default:
  105. 			level = LogLevel.Info;
  106. 			logContent = 'DoLog initialized.';
  107. 			asObject = false;
  108. 			break;
  109. 	}
  110.  
  111. 	// Log when log level permits
  112. 	if (level <= DoLog.logLevel) {
  113. 		let msg = '%c' + LogLevelMap[level].prefix + (typeof MODULE_DATA === 'object' ? '[' + MODULE_DATA.name + ']' : '');
  114. 		let subst = LogLevelMap[level].color;
  115.  
  116. 		if (asObject) {
  117. 			msg += ' %o';
  118. 		} else {
  119. 			switch (typeof(logContent)) {
  120. 				case 'string':
  121. 					msg += ' %s';
  122. 					break;
  123. 				case 'number':
  124. 					msg += ' %d';
  125. 					break;
  126. 				case 'object':
  127. 					msg += ' %o';
  128. 					break;
  129. 			}
  130. 		}
  131.  
  132. 		if (++DoLog.logCount > 512) {
  133. 			console.clear();
  134. 			DoLog.logCount = 0;
  135. 		}
  136. 		console.log(msg, subst, logContent);
  137. 	}
  138. }
  139. DoLog();
  140.  
  141. // Basic functions
  142. // querySelector
  143. function $() {
  144. 	switch (arguments.length) {
  145. 		case 2:
  146. 			return arguments[0].querySelector(arguments[1]);
  147. 			break;
  148. 		default:
  149. 			return document.querySelector(arguments[0]);
  150. 	}
  151. }
  152. // querySelectorAll
  153. function $All() {
  154. 	switch (arguments.length) {
  155. 		case 2:
  156. 			return arguments[0].querySelectorAll(arguments[1]);
  157. 			break;
  158. 		default:
  159. 			return document.querySelectorAll(arguments[0]);
  160. 	}
  161. }
  162. // createElement
  163. function $CrE() {
  164. 	switch (arguments.length) {
  165. 		case 2:
  166. 			return arguments[0].createElement(arguments[1]);
  167. 			break;
  168. 		default:
  169. 			return document.createElement(arguments[0]);
  170. 	}
  171. }
  172. // Object1[prop] ==> Object2[prop]
  173. function copyProp(obj1, obj2, prop) {
  174. 	obj1.hasOwnProperty(prop) && (obj2[prop] = obj1[prop]);
  175. }
  176. function copyProps(obj1, obj2, props) {
  177. 	props.forEach((prop) => (copyProp(obj1, obj2, prop)));
  178. }
  179.  
  180. function clearChildNodes(elm) {
  181. 	for (const el of elm.childNodes) {
  182. 		elm.removeChild(el);
  183. 	}
  184. }
  185.  
  186. // Just stopPropagation and preventDefault
  187. function destroyEvent(e) {
  188. 	if (!e) {
  189. 		return false;
  190. 	};
  191. 	if (!e instanceof Event) {
  192. 		return false;
  193. 	};
  194. 	e.stopPropagation();
  195. 	e.preventDefault();
  196. }
  197.  
  198. // GM_XHR HOOK: The number of running GM_XHRs in a time must under maxXHR
  199. // Returns the abort function to stop the request anyway(no matter it's still waiting, or requesting)
  200. // (If the request is invalid, such as url === '', will return false and will NOT make this request)
  201. // If the abort function called on a request that is not running(still waiting or finished), there will be NO onabort event
  202. // Requires: function delItem(){...} & function uniqueIDMaker(){...}
  203. function GMXHRHook(maxXHR = 5) {
  204. 	const GM_XHR = GM_xmlhttpRequest;
  205. 	const getID = uniqueIDMaker();
  206. 	let todoList = [],
  207. 		ongoingList = [];
  208. 	GM_xmlhttpRequest = safeGMxhr;
  209.  
  210. 	function safeGMxhr() {
  211. 		// Get an id for this request, arrange a request object for it.
  212. 		const id = getID();
  213. 		const request = {
  214. 			id: id,
  215. 			args: arguments,
  216. 			aborter: null
  217. 		};
  218.  
  219. 		// Deal onload function first
  220. 		dealEndingEvents(request);
  221.  
  222. 		/* DO NOT DO THIS! KEEP ITS ORIGINAL PROPERTIES!
  223. 		// Stop invalid requests
  224. 		if (!validCheck(request)) {
  225. 			return false;
  226. 		}
  227. 		*/
  228.  
  229. 		// Judge if we could start the request now or later?
  230. 		todoList.push(request);
  231. 		checkXHR();
  232. 		return makeAbortFunc(id);
  233.  
  234. 		// Decrease activeXHRCount while GM_XHR onload;
  235. 		function dealEndingEvents(request) {
  236. 			const e = request.args[0];
  237.  
  238. 			// onload event
  239. 			const oriOnload = e.onload;
  240. 			e.onload = function() {
  241. 				reqFinish(request.id);
  242. 				checkXHR();
  243. 				oriOnload ? oriOnload.apply(null, arguments) : function() {};
  244. 			}
  245.  
  246. 			// onerror event
  247. 			const oriOnerror = e.onerror;
  248. 			e.onerror = function() {
  249. 				reqFinish(request.id);
  250. 				checkXHR();
  251. 				oriOnerror ? oriOnerror.apply(null, arguments) : function() {};
  252. 			}
  253.  
  254. 			// ontimeout event
  255. 			const oriOntimeout = e.ontimeout;
  256. 			e.ontimeout = function() {
  257. 				reqFinish(request.id);
  258. 				checkXHR();
  259. 				oriOntimeout ? oriOntimeout.apply(null, arguments) : function() {};
  260. 			}
  261.  
  262. 			// onabort event
  263. 			const oriOnabort = e.onabort;
  264. 			e.onabort = function() {
  265. 				reqFinish(request.id);
  266. 				checkXHR();
  267. 				oriOnabort ? oriOnabort.apply(null, arguments) : function() {};
  268. 			}
  269. 		}
  270.  
  271. 		// Check if the request is invalid
  272. 		function validCheck(request) {
  273. 			const e = request.args[0];
  274.  
  275. 			if (!e.url) {
  276. 				return false;
  277. 			}
  278.  
  279. 			return true;
  280. 		}
  281.  
  282. 		// Call a XHR from todoList and push the request object to ongoingList if called
  283. 		function checkXHR() {
  284. 			if (ongoingList.length >= maxXHR) {
  285. 				return false;
  286. 			};
  287. 			if (todoList.length === 0) {
  288. 				return false;
  289. 			};
  290. 			const req = todoList.shift();
  291. 			const reqArgs = req.args;
  292. 			const aborter = GM_XHR.apply(null, reqArgs);
  293. 			req.aborter = aborter;
  294. 			ongoingList.push(req);
  295. 			return req;
  296. 		}
  297.  
  298. 		// Make a function that aborts a certain request
  299. 		function makeAbortFunc(id) {
  300. 			return function() {
  301. 				let i;
  302.  
  303. 				// Check if the request haven't been called
  304. 				for (i = 0; i < todoList.length; i++) {
  305. 					const req = todoList[i];
  306. 					if (req.id === id) {
  307. 						// found this request: haven't been called
  308. 						delItem(todoList, i);
  309. 						return true;
  310. 					}
  311. 				}
  312.  
  313. 				// Check if the request is running now
  314. 				for (i = 0; i < ongoingList.length; i++) {
  315. 					const req = todoList[i];
  316. 					if (req.id === id) {
  317. 						// found this request: running now
  318. 						req.aborter();
  319. 						reqFinish(id);
  320. 						checkXHR();
  321. 					}
  322. 				}
  323.  
  324. 				// Oh no, this request is already finished...
  325. 				return false;
  326. 			}
  327. 		}
  328.  
  329. 		// Remove a certain request from ongoingList
  330. 		function reqFinish(id) {
  331. 			let i;
  332. 			for (i = 0; i < ongoingList.length; i++) {
  333. 				const req = ongoingList[i];
  334. 				if (req.id === id) {
  335. 					ongoingList = delItem(ongoingList, i);
  336. 					return true;
  337. 				}
  338. 			}
  339. 			return false;
  340. 		}
  341. 	}
  342. }
  343.  
  344. // Get a url argument from lacation.href
  345. // also recieve a function to deal the matched string
  346. // returns defaultValue if name not found
  347. // Args: {url=location.href, name, dealFunc=((a)=>{return a;}), defaultValue=null} or 'name'
  348. function getUrlArgv(details) {
  349. 	typeof(details) === 'string' && (details = {
  350. 		name: details
  351. 	});
  352. 	typeof(details) === 'undefined' && (details = {});
  353. 	if (!details.name) {
  354. 		return null;
  355. 	};
  356.  
  357. 	const url = details.url ? details.url : location.href;
  358. 	const name = details.name ? details.name : '';
  359. 	const dealFunc = details.dealFunc ? details.dealFunc : ((a) => {
  360. 		return a;
  361. 	});
  362. 	const defaultValue = details.defaultValue ? details.defaultValue : null;
  363. 	const matcher = new RegExp('[\\?&]' + name + '=([^&#]+)');
  364. 	const result = url.match(matcher);
  365. 	const argv = result ? dealFunc(result[1]) : defaultValue;
  366.  
  367. 	return argv;
  368. }
  369.  
  370. // Append a style text to document(<head>) with a <style> element
  371. function addStyle(css, id) {
  372. 	const style = document.createElement("style");
  373. 	id && (style.id = id);
  374. 	style.textContent = css;
  375. 	for (const elm of document.querySelectorAll('#' + id)) {
  376. 		elm.parentElement && elm.parentElement.removeChild(elm);
  377. 	}
  378. 	document.head.appendChild(style);
  379. }
  380.  
  381. // Save dataURL to file
  382. function saveFile(dataURL, filename) {
  383. 	const a = document.createElement('a');
  384. 	a.href = dataURL;
  385. 	a.download = filename;
  386. 	a.click();
  387. }
  388.  
  389. // File download function
  390. // details looks like the detail of GM_xmlhttpRequest
  391. // onload function will be called after file saved to disk
  392. function downloadFile(details) {
  393. 	if (!details.url || !details.name) {
  394. 		return false;
  395. 	};
  396.  
  397. 	// Configure request object
  398. 	const requestObj = {
  399. 		url: details.url,
  400. 		responseType: 'blob',
  401. 		onload: function(e) {
  402. 			// Save file
  403. 			saveFile(URL.createObjectURL(e.response), details.name);
  404.  
  405. 			// onload callback
  406. 			details.onload ? details.onload(e) : function() {};
  407. 		}
  408. 	}
  409. 	if (details.onloadstart) {
  410. 		requestObj.onloadstart = details.onloadstart;
  411. 	};
  412. 	if (details.onprogress) {
  413. 		requestObj.onprogress = details.onprogress;
  414. 	};
  415. 	if (details.onerror) {
  416. 		requestObj.onerror = details.onerror;
  417. 	};
  418. 	if (details.onabort) {
  419. 		requestObj.onabort = details.onabort;
  420. 	};
  421. 	if (details.onreadystatechange) {
  422. 		requestObj.onreadystatechange = details.onreadystatechange;
  423. 	};
  424. 	if (details.ontimeout) {
  425. 		requestObj.ontimeout = details.ontimeout;
  426. 	};
  427.  
  428. 	// Send request
  429. 	GM_xmlhttpRequest(requestObj);
  430. }
  431.  
  432. // get '/' splited API array from a url
  433. function getAPI(url = location.href) {
  434. 	return url.replace(/https?:\/\/(.*?\.){1,2}.*?\//, '').replace(/\?.*/, '').match(/[^\/]+?(?=(\/|$))/g);
  435. }
  436.  
  437. // get host part from a url(includes '^https://', '/$')
  438. function getHost(url = location.href) {
  439. 	const match = location.href.match(/https?:\/\/[^\/]+\//);
  440. 	return match ? match[0] : match;
  441. }
  442.  
  443. function AsyncManager() {
  444. 	const AM = this;
  445.  
  446. 	// Ongoing xhr count
  447. 	this.taskCount = 0;
  448.  
  449. 	// Whether generate finish events
  450. 	let finishEvent = false;
  451. 	Object.defineProperty(this, 'finishEvent', {
  452. 		configurable: true,
  453. 		enumerable: true,
  454. 		get: () => (finishEvent),
  455. 		set: (b) => {
  456. 			finishEvent = b;
  457. 			b && AM.taskCount === 0 && AM.onfinish && AM.onfinish();
  458. 		}
  459. 	});
  460.  
  461. 	// Add one task
  462. 	this.add = () => (++AM.taskCount);
  463.  
  464. 	// Finish one task
  465. 	this.finish = () => ((--AM.taskCount === 0 && AM.finishEvent && AM.onfinish && AM.onfinish(), AM.taskCount));
  466. }
  467.  
  468. // Polyfill String.prototype.replaceAll
  469. // replaceValue does NOT support regexp match groups($1, $2, etc.)
  470. function polyfill_replaceAll() {
  471. 	String.prototype.replaceAll = String.prototype.replaceAll ? String.prototype.replaceAll : PF_replaceAll;
  472.  
  473. 	function PF_replaceAll(searchValue, replaceValue) {
  474. 		const str = String(this);
  475.  
  476. 		if (searchValue instanceof RegExp) {
  477. 			const global = RegExp(searchValue, 'g');
  478. 			if (/\$/.test(replaceValue)) {
  479. 				console.error('Error: Polyfilled String.protopype.replaceAll does support regexp groups');
  480. 			};
  481. 			return str.replace(global, replaceValue);
  482. 		} else {
  483. 			return str.split(searchValue).join(replaceValue);
  484. 		}
  485. 	}
  486. }
  487.  
  488. function randint(min, max) {
  489. 	return Math.floor(Math.random() * (max - min + 1)) + min;
  490. }
  491.  
  492. // Del a item from an array using its index. Returns the array but can NOT modify the original array directly!!
  493. function delItem(arr, delIndex) {
  494. 	arr = arr.slice(0, delIndex).concat(arr.slice(delIndex + 1));
  495. 	return arr;
  496. }
  497.  
  498. // type: [Error, TypeError]
  499. function Err(msg, type=0) {
  500. 	throw new [Error, TypeError][type](msg);
  501. }

欢迎访问Greasy Fork镜像

土豆服务器，请按需使用

镜像地址随时可能被墙，建议加群获取最新地址

加入Q群

QingJ © 2025

镜像随时可能失效，请加Q群300939539或关注我们的公众号极客氢云获取最新地址