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Wayback Machine Auto Hopper

Automatically jump to the earliest or latest page of the search results on INTERNET ARCHIVE Wayback Machine.

  1. // ==UserScript==
  2. // @name        Wayback Machine Auto Hopper
  3. // @name:ja     Wayback Machine Auto Hopper
  4. // @name:zh-CN  Wayback Machine Auto Hopper
  5. // @description Automatically jump to the earliest or latest page of the search results on INTERNET ARCHIVE Wayback Machine.
  6. // @description:ja INTERNET ARCHIVE の Wayback Machine でURL検索をした際、最古または最新のページに自動で飛びます。
  7. // @description:zh-CN 自动跳转到 INTERNET ARCHIVE Wayback Machine 上搜索结果的最早或最新页面。
  8. // @namespace   knoa.jp
  9. // @include     /^http:\/\/web\.archive\.org\/web\/\*\/https?:\/\//
  10. // @version     1.0.1
  11. // @grant       none
  12. // ==/UserScript==
  13.  
  14. (function(){
  15.   const SCRIPTID = 'WaybackMachineAutoHopper';
  16.   const SCRIPTNAME = 'Wayback Machine Auto Hopper';
  17.   const DEBUG = false;/*
  18. [update] 1.0.1
  19. No updates on code. Just confirmed to work.
  20.  
  21. [bug]
  22.  
  23. [todo]
  24.  
  25. [possible]
  26.  
  27. [research]
  28. [Esc]のキャンセルを捉えたことがわかる反応がほしいね。
  29.  
  30. [memo]
  31.   */
  32.   if(window === top && console.time) console.time(SCRIPTID);
  33.   const MS = 1, SECOND = 1000*MS, MINUTE = 60*SECOND, HOUR = 60*MINUTE, DAY = 24*HOUR, WEEK = 7*DAY, MONTH = 30*DAY, YEAR = 365*DAY;
  34.   const HOPTO = 'EARLIEST';/* EARLIEST or LATEST */
  35.   const DELAY = 0;/* set some time to keep chance to press [Esc] to cancel the hop */
  36.   const site = {
  37.     targets: {
  38.       reactWaybackSearch: () => $('#react-wayback-search'),
  39.     },
  40.     get: {
  41.       EARLIEST: () => $('.captures-range-info a[href]:first-of-type'),
  42.       LATEST: () => $('.captures-range-info a[href]:last-of-type'),
  43.       selector: () => {
  44.         switch(HOPTO){
  45.           case('EARLIEST'): return site.get.EARLIEST;
  46.           case('LATEST'):   return site.get.LATEST;
  47.           default:
  48.             console.error(SCRIPTNAME, 'Unknown HOPTO:', HOPTO);
  49.             return null;
  50.         }
  51.       },
  52.     },
  53.   };
  54.   let elements = {};
  55.   const core = {
  56.     initialize: function(){
  57.       elements.html = document.documentElement;
  58.       elements.html.classList.add(SCRIPTID);
  59.       core.ready();
  60.     },
  61.     ready: function(){
  62.       let canceled = false, selector = site.get.selector(), a, observer;
  63.       if(selector === null) return;
  64.       window.addEventListener('keydown', function(e){
  65.         if(canceled) return;
  66.         if(e.key !== 'Escape') return;
  67.         if(observer) observer.disconnect();
  68.         canceled = true;
  69.         log('Canceled.');
  70.       });
  71.       core.getTargets(site.targets).then(() => {
  72.         log("I'm ready.");
  73.         if(canceled) return;
  74.         a = selector();
  75.         if(a) core.hop(a);
  76.         else observer = observe(elements.reactWaybackSearch, function(records){
  77.           a = selector();
  78.           if(a){
  79.             observer.disconnect();
  80.             core.hop(a);
  81.           }
  82.         }, {childList: true, subtree: true});
  83.       }).catch(selector => {
  84.         log(`Not found: ${selector.name}, I give up.`);
  85.       });
  86.     },
  87.     hop: function(a){
  88.       setTimeout(function(){
  89.         log('Jump to:', a.href);
  90.         a.click();
  91.       }, DELAY);
  92.     },
  93.     getTarget: function(selector, retry = 10, interval = 1*SECOND){
  94.       const key = selector.name;
  95.       const get = function(resolve, reject){
  96.         let selected = selector();
  97.         if(selected && selected.length > 0) selected.forEach((s) => s.dataset.selector = key);/* elements */
  98.         else if(selected instanceof HTMLElement) selected.dataset.selector = key;/* element */
  99.         else if(--retry) return log(`Not found: ${key}, retrying... (${retry})`), setTimeout(get, interval, resolve, reject);
  100.         else return reject(selector);
  101.         elements[key] = selected;
  102.         resolve(selected);
  103.       };
  104.       return new Promise(function(resolve, reject){
  105.         get(resolve, reject);
  106.       });
  107.     },
  108.     getTargets: function(selectors, retry = 10, interval = 1*SECOND){
  109.       return Promise.all(Object.values(selectors).map(selector => core.getTarget(selector, retry, interval)));
  110.     },
  111.   };
  112.   const setTimeout = window.setTimeout.bind(window), clearTimeout = window.clearTimeout.bind(window), setInterval = window.setInterval.bind(window), clearInterval = window.clearInterval.bind(window), requestAnimationFrame = window.requestAnimationFrame.bind(window);
  113.   const alert = window.alert.bind(window), confirm = window.confirm.bind(window), prompt = window.prompt.bind(window), getComputedStyle = window.getComputedStyle.bind(window), fetch = window.fetch.bind(window);
  114.   if(!('isConnected' in Node.prototype)) Object.defineProperty(Node.prototype, 'isConnected', {get: function(){return document.contains(this)}});
  115.   const $ = function(s, f){
  116.     let target = document.querySelector(s);
  117.     if(target === null) return null;
  118.     return f ? f(target) : target;
  119.   };
  120.   const $$ = function(s, f){
  121.     let targets = document.querySelectorAll(s);
  122.     return f ? Array.from(targets).map(t => f(t)) : targets;
  123.   };
  124.   const createElement = function(html = '<span></span>'){
  125.     let outer = document.createElement('div');
  126.     outer.innerHTML = html;
  127.     return outer.firstElementChild;
  128.   };
  129.   const observe = function(element, callback, options = {childList: true, attributes: false, characterData: false, subtree: false}){
  130.     let observer = new MutationObserver(callback.bind(element));
  131.     observer.observe(element, options);
  132.     return observer;
  133.   };
  134.   const log = function(){
  135.     if(!DEBUG) return;
  136.     let l = log.last = log.now || new Date(), n = log.now = new Date();
  137.     let error = new Error(), line = log.format.getLine(error), callers = log.format.getCallers(error);
  138.     //console.log(error.stack);
  139.     console.log(
  140.       SCRIPTID + ':',
  141.       /* 00:00:00.000  */ n.toLocaleTimeString() + '.' + n.getTime().toString().slice(-3),
  142.       /* +0.000s       */ '+' + ((n-l)/1000).toFixed(3) + 's',
  143.       /* :00           */ ':' + line,
  144.       /* caller.caller */ (callers[2] ? callers[2] + '() => ' : '') +
  145.       /* caller        */ (callers[1] || '') + '()',
  146.       ...arguments
  147.     );
  148.   };
  149.   log.formats = [{
  150.       name: 'Firefox Scratchpad',
  151.       detector: /MARKER@Scratchpad/,
  152.       getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
  153.       getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
  154.     }, {
  155.       name: 'Firefox Console',
  156.       detector: /MARKER@debugger/,
  157.       getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
  158.       getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
  159.     }, {
  160.       name: 'Firefox Greasemonkey 3',
  161.       detector: /\/gm_scripts\//,
  162.       getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
  163.       getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
  164.     }, {
  165.       name: 'Firefox Greasemonkey 4+',
  166.       detector: /MARKER@user-script:/,
  167.       getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1] - 500,
  168.       getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
  169.     }, {
  170.       name: 'Firefox Tampermonkey',
  171.       detector: /MARKER@moz-extension:/,
  172.       getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1] - 6,
  173.       getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
  174.     }, {
  175.       name: 'Chrome Console',
  176.       detector: /at MARKER \(<anonymous>/,
  177.       getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1],
  178.       getCallers: (e) => e.stack.match(/[^ ]+(?= \(<anonymous>)/gm),
  179.     }, {
  180.       name: 'Chrome Tampermonkey',
  181.       detector: /at MARKER \(chrome-extension:.*?\/userscript.html\?name=/,
  182.       getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1] - 4,
  183.       getCallers: (e) => e.stack.match(/[^ ]+(?= \(chrome-extension:)/gm),
  184.     }, {
  185.       name: 'Chrome Extension',
  186.       detector: /at MARKER \(chrome-extension:/,
  187.       getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1],
  188.       getCallers: (e) => e.stack.match(/[^ ]+(?= \(chrome-extension:)/gm),
  189.     }, {
  190.       name: 'Edge Console',
  191.       detector: /at MARKER \(eval/,
  192.       getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)$/)[1],
  193.       getCallers: (e) => e.stack.match(/[^ ]+(?= \(eval)/gm),
  194.     }, {
  195.       name: 'Edge Tampermonkey',
  196.       detector: /at MARKER \(Function/,
  197.       getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)$/)[1] - 4,
  198.       getCallers: (e) => e.stack.match(/[^ ]+(?= \(Function)/gm),
  199.     }, {
  200.       name: 'Safari',
  201.       detector: /^MARKER$/m,
  202.       getLine: (e) => 0,/*e.lineが用意されているが最終呼び出し位置のみ*/
  203.       getCallers: (e) => e.stack.split('\n'),
  204.     }, {
  205.       name: 'Default',
  206.       detector: /./,
  207.       getLine: (e) => 0,
  208.       getCallers: (e) => [],
  209.     }];
  210.   log.format = log.formats.find(function MARKER(f){
  211.     if(!f.detector.test(new Error().stack)) return false;
  212.     //console.log('////', f.name, 'wants', 0/*line*/, '\n' + new Error().stack);
  213.     return true;
  214.   });
  215.   core.initialize();
  216.   if(window === top && console.timeEnd) console.timeEnd(SCRIPTID);
  217. })();