☰

SingleFile Pure - Pure html downloader

将当前网页保存为一个纯文本的.html网页文件，不保存二进制

目前為 2023-11-01 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name                    SingleFile Pure - Pure html downloader
  3. // @name:zh                 SingleFile Pure - 保存纯HTML
  4. // @namespace               https://gist.github.com/KnIfER
  5. // @version                 3
  6. // @description             将当前网页保存为一个纯文本的.html网页文件，不保存二进制
  7. // @description:en          Save webpages into one pure html file, without binary data.
  8. // @author                  PY-DNG
  9. // @license                 MIT
  10. // @grant                   GM_registerMenuCommand
  11. // @grant                   GM_unregisterMenuCommand
  12. // @grant                   unsafeWindow
  13. // @icon                    data:image/svg+xml;base64,PHN2ZyB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgd2lkdGg9IjE5MCIgaGVpZ2h0PSIxOTAiPgo8c3R5bGU+LnB7ZmlsbDojMjY4NGZjfTwvc3R5bGU+CjxwYXRoIGNsYXNzPSJwIiBkPSJtMTU5IDUydjEzMWwtMTMwIDB2LTE3Nmw4NiAwbS00My41IDU1LjVjMCAxMC4yLjEgMTAuNSAyIDEwIDEtMCA1LjYtMSA5LjUtMiA0LTEgOC0xLjUgOS0xLjUgMiAwIDIgMSAyIDM2LjV2MzYuNWgtMjF2MTBoNTN2LTEwbC0yMC41LS41LS41LTgzLjVjLTEyIDAtMjAgMS0yNSAyLjR6Ii8+Cjwvc3ZnPg==
  14. // @match                   *://*/*
  15. // @include                 *
  16. // @noframes
  17. // ==/UserScript==
  18.  
  19. // based on @PY-DNG https://gf.qytechs.cn/zh-CN/scripts/419798-singlefile-单文件保存网页
  20.  
  21. (function() { 
  22. 	'use strict';
  23. 	function debug(...args) {
  24. 		console.log("%c SingleFile: ", "color:#333!important;background:#0FF;", ...args);
  25. 	}
  26.  
  27. 	var win = window.unsafeWindow || window, doc=document, d=doc
  28. 	, bank=win._sfpr_bank;
  29. 	var rM=debug, rMd=debug, err=console.error;
  30. 	if(!bank) {
  31. 		bank = win._sfpr_bank = {};
  32. 		rM = GM_registerMenuCommand;
  33. 		rMd = GM_unregisterMenuCommand;
  34. 	} else try{
  35. 		bank.unreg();
  36. 	} catch(e){debug(e)}
  37. 	bank.unreg = uninstall;var unregs = [];
  38. 	
  39. 	function uninstall() { // hot-reload
  40. 		for(var i=0;i<unregs.length;i++) {
  41. 			unregs[i]();
  42. 		}
  43. 		return 1;
  44. 	}
  45. 	
  46. 	function addEvent(a, b, c, d) {
  47. 		if(!d) d = win;
  48. 		((a, b, c, d)=>{
  49. 			d.addEventListener(a, b, c);
  50. 			unregs.push(function(){ d.removeEventListener(a, b, c)} );
  51. 		})(a, b, c, d);
  52. 	}
  53. 	
  54. 	const MSG = {
  55. 		'zh': {
  56. 			SavePage: '保存纯网页',
  57. 			Saving: '保存中……'
  58. 		},
  59. 		'en': {
  60. 			SavePage: 'Save pure webpage',
  61. 			Saving: 'Saving, please wait……'
  62. 		},
  63. 	}
  64. 	var btn, evtSt="single-file-on-before-capture-request", evtEd=evtSt.replace('before', 'after');
  65. 	addEvent(evtSt, (e) => {
  66. 		btn = doc.getElementById('sf-pure');
  67. 		if(btn) btn.remove();
  68. 	});
  69. 	addEvent(evtEd, (e) => {
  70. 		if(btn) {
  71. 			doc.body.append(btn);
  72. 			btn = 0;
  73. 		}
  74. 	});
  75. 	
  76. 	var t = navigator.language;
  77. 	if(t.includes('-')) t = t.slice(0, t.indexOf('-'));
  78. 	
  79.  
  80. 	// GUI
  81. 	var GT=MSG[t]||MSG['en'], fnMenu, menu = rM(GT.SavePage, fnMenu = function() {
  82. 		Generate_Single_File({
  83. 			onfinish: (FinalHTML) => {
  84. 				var title = doc.title;
  85. 				saveTextToFile(FinalHTML, '{Title}.html'.replace('{Title}', title).replace('{Time}', getTime('-', '-')));
  86. 				dispatchEvent(new CustomEvent(evtEd));
  87. 				rMd(menu);
  88. 				menu = rM(GT.SavePage, fnMenu);
  89. 			}
  90. 		});
  91. 	});
  92. 	
  93. 	addEvent("single-file-pure-save", (e) => {
  94. 		fnMenu();
  95. 		stop(e);
  96. 	});
  97. 	
  98. 	if(!win.saveAsTaken)
  99. 		addEvent('keydown', (e) => {
  100. 			if(e.key=='s' && e.altKey && e.ctrlKey) {
  101. 				fnMenu();
  102. 				stop(e);
  103. 			}
  104. 		});
  105. 	
  106. 		
  107. 	function Generate_Single_File(details) {
  108. 		debug('Generate started...');
  109. 		if(!bank.init) {
  110. 			dispatchEvent(new CustomEvent("single-file-user-script-init"));
  111. 			bank.init = 1;
  112. 		}
  113. 		dispatchEvent(new CustomEvent(evtSt));
  114. 		// Init DOM
  115. 		var html, tmp, dom = doc;
  116.  
  117. 		// Functions
  118. 		var _J = (args) => {const a = []; for (let i = 0; i < args.length; i++) {a.push(args[i]);}; return a;};
  119. 		var $ = function() {return dom.querySelector.apply(dom, _J(arguments))};
  120. 		var $_ = function() {return dom.querySelectorAll.apply(dom, _J(arguments))};
  121. 		var $C = function() {return dom.createElement.apply(dom, _J(arguments))};
  122. 		var $A = (a,b) => (a.appendChild(b));
  123. 		var $R = (e) => (e.parentElement ? e.parentElement.removeChild(e) : null);
  124. 		function ishttp(s) {
  125. 			// !/^[^\/:]*:/.test(s)
  126. 			if(s) return  s.startsWith('/') || s.startsWith('http')
  127. 		}
  128. 		dom = doc.cloneNode(1);
  129. 		
  130. 		const ElmProps = new (function() {
  131. 			const props = this.props = {};
  132. 			const cssMap = this.cssMap = new Map();
  133. 			this.getCssPath = function(elm) {
  134. 				return cssMap.get(elm) || (cssMap.set(elm, cssPath(elm)), cssMap.get(elm));
  135. 			}
  136. 			this.add = function(elm, type, value) {
  137. 				var path = cssPath(elm), store=props[path];
  138. 				if(!store) store = props[path] = [];
  139. 				store.push({type:type, value:value});
  140. 			}
  141. 		});
  142. 		
  143. 		 // Generate info button!
  144. 		function about() {
  145. 			var t=$C('A');
  146. 			t.id = 'sf-pure';
  147. 			t.style = 'position:fixed;right:16px;top:16px;width:24px;height:24px;color:#2d2d2d;background-color:#737373;border:2px solid;border-color:#eee;border-radius:16px;z-index:2147483647;opacity:0.7;display:flex;justify-content:center;align-items:center;';
  148. 			t.innerHTML = '<svg style=\'width:65%;height:65%;margin-left:1px;\' xmlns="http://www.w3.org/2000/svg"viewBox="0 0 64 64"width="64"height="64"><style>.p{fill:#f0f0f0}</style><path class="p"d="M30 3A3 3 0 1130 21 3 3 0 1130 3ZM16 25 23 29 23 58 16 63 46 63 39 58 39 25Z"/></svg>';
  149. 			t.name = Date.now()+'';
  150. 			t.title = doc.title;
  151. 			t.href = location.ohref || location.href;
  152. 			t.target = 'blank';
  153. 			return t;
  154. 		}
  155.  
  156. 		const AM = new AsyncManager();
  157. 		AM.onfinish = function() {
  158. 			// Add applyProps script
  159. 			var script = $C('script');
  160. 			script.innerHTML = "window.addEventListener('load', function(){"+
  161. 				// show info button
  162. 				"setTimeout(function(){var btn=document.getElementById('sf-pure');btn.title=new Date(parseInt(btn.name))+'\\n\\n'+btn.title;location.ohref=btn.href;btn.oncontextmenu=function(e){btn.style.display='none';e.preventDefault()}}, 800);"
  163. 				+
  164. 				// {FUNC}
  165. 				"(function(c){var fs={Canvas_DataUrl:function(a,b){var e=new Image(),v=a.getContext('2d');e.onload=function(){v.drawImage(e,0,0)};e.src=b},Input_Value:function(a,b){a.value=b}};for(var i=0,arr=Object.entries(c),t,el;i<arr.length;i++){try{t=arr[i];if(el=document.querySelector(t[0]))for(var p of t[1])fs[p.type](el,p.value)}catch(e){console.error(e)}}}"
  166. 				+")("+ 
  167. 				// {PROPS}
  168. 				JSON.stringify(ElmProps.props)
  169. 				+")})";
  170. 			$A(dom.head, script);
  171. 			$A(dom.body, about());
  172. 			// Generate html
  173. 			var FinalHTML = dom.querySelector('html').outerHTML;
  174. 			debug('Generation Complete.', FinalHTML.length)
  175. 			details.onfinish(FinalHTML)
  176. 		};
  177.  
  178. 		// debug('Setting charset');
  179. 		if (doc.characterSet !== 'UTF-8') {
  180. 			const meta = $('meta[http-equiv="Content-Type"][content*="charset"]');
  181. 			meta && (meta.content = meta.content.replace(/charset\s*=\s*[^;\s]*/i, 'charset=UTF-8'));
  182. 		}
  183.  
  184. 		// debug('strip scripts');
  185. 		for (var tmp of $_('script')) {
  186. 			$R(tmp);
  187. 		}
  188.  
  189. 		// debug('strip inline scripts');
  190. 		for (var tmp of $_('*')) {
  191. 			var ISKeys = ['onabort', 'onerror', 'onresize', 'onscroll', 'onunload', 'oncancel', 'oncanplay', 'oncanplaythrough', 'onchange', 'onclick', 'onclose', 'oncuechange', 'ondblclick', 'ondrag', 'ondragend', 'ondragenter', 'ondragexit', 'ondragleave', 'ondragover', 'ondragstart', 'ondrop', 'ondurationchange', 'onemptied', 'onended', 'onerror', 'onfocus', 'oninput', 'oninvalid', 'onkeydown', 'onkeypress', 'onkeyup', 'onload', 'onloadeddata', 'onloadedmetadata', 'onloadstart', 'onmousedown', 'onmouseenter', 'onmouseleave', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onmousewheel', 'onpause', 'onplay', 'onplaying', 'onprogress', 'onratechange', 'onreset', 'onresize', 'onscroll', 'onseeked', 'onseeking', 'onselect', 'onshow', 'onstalled', 'onsubmit', 'onsuspend', 'ontimeupdate', 'ontoggle', 'onvolumechange', 'onwaiting', 'onbegin', 'onend', 'onrepeat'];
  192. 			for (var key of ISKeys) {
  193. 				tmp.removeAttribute(key);
  194. 				tmp[key] = undefined;
  195. 			}
  196. 		}
  197.  
  198. 		// debug('strip preload scripts');
  199. 		for (var tmp of $_('link[rel*=modulepreload]')) {
  200. 			$R(tmp);
  201. 		}
  202.  
  203. 		// debug('strip meta headers');
  204. 		for (var tmp of $_('meta[http-equiv="Content-Security-Policy"]')) {
  205. 			$R(tmp);
  206. 		}
  207.  
  208. 		//debug('Resolve style urls');
  209. 		for (var tmp of $_('link[rel*=stylesheet][href]')) {
  210. 			resolveStyleLinked(tmp)
  211. 		}
  212. 		for (var elm of $_('style')) {
  213. 			//debug('style elm=', elm.id, elm)
  214. 			resolveStyle(elm.innerText, (style, elm) => (elm.innerHTML = style), elm);
  215. 		}
  216.  
  217. 		//debug('Resolve links');
  218. 		for (const link of $_('link[href]')) {
  219. 			// Only for http[s] links
  220. 			if (!link.href) {continue;}
  221. 			if (!ishttp(link.href)) {continue;}
  222.  
  223. 			// Only for links that rel includes one of the following:
  224. 			//   icon, apple-touch-icon, apple-touch-startup-image, prefetch, preload, prerender, manifest, stylesheet
  225. 			// And in the same time NOT includes any of the following:
  226. 			//   alternate
  227. 			var deal = false;
  228. 			const accepts = ['icon', 'apple-touch-icon', 'apple-touch-startup-image', 'prefetch', 'preload', 'prerender', 'manifest', 'stylesheet'];
  229. 			const excludes = ['alternate']
  230. 			const rels = link.rel.split(' ');
  231. 			for (const rel of rels) {
  232. 				deal = deal || (accepts.includes(rel) && !excludes.includes(rel));
  233. 			}
  234. 			if (!deal) {continue;}
  235.  
  236. 			// Save original href to link.ohref
  237. 			link.ohref = link.href;
  238.  
  239. 			AM.add();
  240. 			requestDataURL(link.href, function(durl, link) {
  241. 				link.href = durl;
  242. 				// Deal style if links to a stylesheet
  243. 				if (rels.includes('stylesheet')) {
  244. 					resolveStyleLinked(link);
  245. 				}
  246. 				AM.finish();
  247. 			}, link);
  248. 		}
  249. 		var arr = dom.links;
  250. 		for(var i=0;tmp=arr[i++];) {
  251. 			tmp.href = fullUrl(tmp.href);
  252. 		}
  253.  
  254. 		//debug('Resolve image src');
  255. 		for (var img of $_('img[src], source[src]')) {
  256. 			// Get full src
  257. 			// if (img.src.length > 3999) {continue;}
  258. 			if (!img.src) {continue;}
  259. 			if (!ishttp(img.src)) {continue;}
  260. 			img.src = fullUrl(img.src);
  261. 		}
  262.  
  263. 		//debug('Resolve image srcset');
  264. 		for (var img of $_('img[srcset], source[srcset]')) {
  265. 			if (img.srcset) {
  266. 				var list = img.srcset.split(',');
  267. 				for (let i = 0; i < list.length; i++) { // Get all srcs list
  268. 					var srcitem = list[i].trim();
  269. 					if (srcitem.length > 3999) {continue;}
  270. 					if (!srcitem) {continue}
  271. 					var parts = srcitem.replaceAll(/(\s){2,}/g, '$1').split(' ');
  272. 					if (!ishttp(parts[0])) {continue};
  273. 					var src = fullUrl(parts[0]);
  274. 					list[i] = {
  275. 						src: src,
  276. 						rest: parts.slice(1, parts.length).join(' '),
  277. 						parts: parts,
  278. 						dataurl: null,
  279. 						string: null
  280. 					};
  281. 				}
  282. 				img.srcset = list.join(',');
  283. 			}
  284. 		}
  285.  
  286. 		//debug('Resolve canvas');
  287. 		for (var tmp of $_('canvas')) {
  288. 			try {
  289. 				var url = img2url(tmp);
  290. 				ElmProps.add(tmp, 'Canvas_DataUrl', url);
  291. 			} catch (e) {}
  292. 		}
  293. 		
  294. 		debug('Resolve styles', dom);
  295. 		for (var tmp of $_('style')) {
  296. 			try {
  297. 				if(!tmp.firstChild) {
  298. 					var oelm = doc.querySelector(ElmProps.getCssPath(tmp));
  299. 					debug('cssRulesX', tmp, oelm);
  300. 					if(oelm && oelm.sheet?.cssRules?.length) {
  301. 						var cssRules = oelm.sheet.cssRules; 
  302. 						var text = '';
  303. 						for (var i = 0; i < cssRules.length; i++) {
  304. 							var rule = cssRules[i];
  305. 							text += rule.cssText;
  306. 							text += '\n';
  307. 						}
  308. 						//debug('cssRules', text);
  309. 						tmp.innerHTML = text;
  310. 					}
  311. 				}
  312. 			} catch (e) {}
  313. 		}
  314.  
  315. 		//debug('Resolve background-images');
  316. 		var urlReg = /^\s*url\(\s*['"]?([^\(\)'"]+)['"]?\s*\)\s*$/;
  317. 		for (var elm of $_('*')) {
  318. 			var url = elm.style.backgroundImage;
  319. 			if(url && url.length < 3999 // CONST.Number.MaxUrlLength
  320. 				 && url.lastIndexOf('data:', 10)==-1) { // not /^data:/.test(url)
  321. 				url = url.match(urlReg);
  322. 				if (url) { // Get full image url
  323. 					url = fullUrl(url[1]);
  324. 					elm.style.backgroundImage = 'url('+url+')';
  325. 				}
  326. 			}
  327. 		}
  328.  
  329. 		//debug('Resolve input/textarea/progress values');
  330. 		for (var tmp of $_('input,textarea,progress')) {
  331. 			// Query origin element's value
  332. 			var oelm = doc.querySelector(ElmProps.getCssPath(tmp));
  333. 			// Add to property map
  334. 			oelm.value && ElmProps.add(tmp, 'Input_Value', oelm.value);
  335. 		}
  336.  
  337. 		// Get favicon.ico if no icon found
  338. 		debug('Resolve favicon.ico');
  339. 		if (!$('link[rel*=icon]')) {
  340. 			var icon = $C('link');
  341. 			icon.rel = 'icon';
  342. 			icon.href = getHost() + 'favicon.ico',
  343. 			$A(dom.head, icon);
  344. 		}
  345.  
  346. 		// Start generating the finish event
  347. 		debug('Waiting for async tasks to be finished');
  348. 		AM.finishEvent = true;
  349.  
  350. 		function resolveStyle(style, callback, args=[]) {
  351. 			const argvs = [style].concat(args);
  352. 			if(!style) {
  353. 				return callback.apply(null, argvs);
  354. 			}
  355. 			const re = /url\(\s*['"]?([^\(\)'"]+)['"]?\s*\)/;
  356. 			const rg = /url\(\s*['"]?([^\(\)'"]+)['"]?\s*\)/g;
  357. 			const replace = (durl, urlexp, arg1, arg2, arg3) => {
  358. 				// Replace style text
  359. 				const durlexp = 'url("'+durl+'")';
  360. 				style = style.replaceAll(urlexp, durlexp);
  361. 				// Get args
  362. 				argvs[0]=style;
  363. 				callback.apply(null, argvs);
  364. 				AM.finish();
  365. 			};
  366.  
  367. 			const all = style.match(rg);
  368. 			if (!all) {return;}
  369. 			for (const urlexp of all) {
  370. 				// Check url
  371. 				if (urlexp.length > 3999) {continue;}
  372. 				const osrc = urlexp.match(re)[1];
  373. 				const baseurl = args instanceof HTMLLinkElement && args.ohref ? args.ohref : location.href;
  374. 				if (!ishttp(osrc)) {continue;}
  375. 				const src = fullUrl(osrc, baseurl);
  376.  
  377. 				// Request
  378. 				AM.add();
  379. 				requestDataURL(src, replace, [urlexp].concat(args));
  380. 			}
  381. 		}
  382. 		function resolveStyleLinked(link) {
  383. 			const durl = link.href;
  384. 			if ((durl||'')[0]!=='d') {return;} // not /^data:/.test()
  385. 			const blob = dataURLToBlob(durl);
  386. 			const reader = new FileReader();
  387. 			reader.onload = () => {
  388. 				resolveStyle(reader.result, (style, link) => {
  389. 					const blob = new Blob([style],{type:"text/css"});
  390. 					AM.add();
  391. 					blobToDataURL(blob, function(durl, link) {
  392. 						//debug('style elm=', link.id, link)
  393. 						link.href = durl;
  394. 						AM.finish();
  395. 					}, link)
  396. 				}, link);
  397. 				AM.finish();
  398. 			}
  399. 			AM.add();
  400. 			reader.readAsText(blob);
  401. 		}
  402. 	}
  403.  
  404. 	var t0 = doc.createElement('a');
  405. 	
  406. 	function fullUrl(url, baseurl) {
  407. 		if(url) {
  408. 			if (url.startsWith('//')) {url = location.protocol + url;}
  409. 			if (!url.startsWith('http')) {
  410. 				var base = (baseurl||location.href).replace(/(.+\/).*?$/, '$1');
  411. 				t0.href = base + url;
  412. 				url = t0.href;
  413. 			}
  414. 		}
  415. 		return url;
  416. 	}
  417.  
  418. 	function cssPath(el) {
  419. 		if (!(el instanceof Element)) return;
  420. 		var path = [];
  421. 		while (el.nodeType === Node.ELEMENT_NODE) {
  422. 			var selector = el.nodeName.toLowerCase();
  423. 			if (el.id) {
  424. 				selector += '#' + el.id;
  425. 				path.unshift(selector);
  426. 				break;
  427. 			} else {
  428. 				var sib = el,
  429. 					nth = 1;
  430. 				while (sib = sib.previousElementSibling) {
  431. 					if (sib.nodeName.toLowerCase() == selector) nth++;
  432. 				}
  433. 				if (nth != 1) selector += ":nth-of-type(" + nth + ")";
  434. 			}
  435. 			path.unshift(selector);
  436. 			el = el.parentNode;
  437. 		}
  438. 		return path.join(" > ");
  439. 	}
  440.  
  441. 	function requestDataURL(url, callback, args=[]) {
  442. 		try{
  443. 			//debug('requestDataURL::', url, args);
  444. 			const argvs = [url].concat(args);
  445. 			callback.apply(null, argvs);
  446. 		}catch(e){err(e)}
  447. 	}
  448.  
  449. 	function blobToDataURL(blob, callback, args=[]) {
  450. 		const reader = new FileReader();
  451. 		reader.onload = function () {
  452. 			callback.apply(null, [reader.result].concat(args));
  453. 		}
  454. 		reader.readAsDataURL(blob);
  455. 	}
  456.  
  457. 	function dataURLToBlob(dataurl) {
  458. 		let arr = dataurl.split(','),
  459. 			mime = arr[0].match(/:(.*?);/)[1],
  460. 			bstr = atob(arr[1]),
  461. 			n = bstr.length,
  462. 			u8arr = new Uint8Array(n)
  463. 		while (n--) {
  464. 			u8arr[n] = bstr.charCodeAt(n)
  465. 		}
  466. 		return new Blob([u8arr], { type: mime })
  467. 	}
  468.  
  469. 	function AsyncManager() {
  470. 		const AM = this;
  471.  
  472. 		// Ongoing xhr count
  473. 		this.taskCount = 0;
  474.  
  475. 		// Whether generate finish events
  476. 		let finishEvent = false;
  477. 		Object.defineProperty(this, 'finishEvent', {
  478. 			configurable: true,
  479. 			enumerable: true,
  480. 			get: () => (finishEvent),
  481. 			set: (b) => {
  482. 				finishEvent = b;
  483. 				b && AM.taskCount === 0 && AM.onfinish && AM.onfinish();
  484. 			}
  485. 		});
  486. 		// Add one task
  487. 		this.add = () => (++AM.taskCount);
  488. 		// Finish one task
  489. 		this.finish = () => ((--AM.taskCount === 0 && AM.finishEvent && AM.onfinish && AM.onfinish(), AM.taskCount));
  490. 	}
  491.  
  492. 	function img2url(img) {
  493. 		var cvs = doc.createElement('canvas');
  494. 		var v = cvs.getContext('2d');
  495. 		cvs.width = img.width;
  496. 		cvs.height = img.height;
  497. 		v.drawImage(img, 0, 0)
  498. 		return cvs.toDataURL();
  499. 	}
  500.  
  501. 	// Format timecode like 1970-01-01 00:00:00
  502. 	// if data-sep provided false, there will be no data part.
  503.     function getTime(dateSep='-', timeSep=':') {
  504.         var d = new Date(), fulltime = ''
  505. 		fulltime += dateSep ? f0(d.getFullYear(), 4) + dateSep + f0((d.getMonth() + 1), 2) + dateSep + f0(d.getDate(), 2) : '';
  506. 		fulltime += dateSep && timeSep ? ' ' : '';
  507. 		fulltime += timeSep ? f0(d.getHours(), 2) + timeSep + f0(d.getMinutes(), 2) + timeSep + f0(d.getSeconds(), 2) : '';
  508.         return fulltime;
  509.     }
  510. 	
  511.     function f0(number, ln) {
  512.         var str = String(number);
  513.         for (var i = str.length; i < ln; i++) {
  514.             str = '0' + str;
  515.         }
  516.         return str;
  517.     }
  518.  
  519. 	function stop(e) {
  520. 		try{
  521. 			e.stopPropagation();
  522. 			e.preventDefault();
  523. 		} catch(e) {debug(e)}
  524. 	}
  525.  
  526. 	function saveTextToFile(text, name) {
  527. 		const blob = new Blob([text],{type:"text/plain;charset=utf-8"});
  528. 		const url = URL.createObjectURL(blob);
  529. 		const a = doc.createElement('a');
  530. 		a.href = url;
  531. 		a.download = name;
  532. 		a.click();
  533. 	}
  534.  
  535. 	// get host part from a url(includes '^https://', '/$')
  536. 	function getHost(url=location.href) {
  537. 		const match = location.href.match(/https?:\/\/[^\/]+\//);
  538. 		return match ? match[0] : match;
  539. 	}
  540.  
  541. })();

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