// ==UserScript==
// @name        Wayback Machine Auto Hopper
// @name:ja     Wayback Machine Auto Hopper
// @name:zh-CN  Wayback Machine Auto Hopper
// @description Automatically jump to the earliest or latest page of the search r###lts on INTERNET ARCHIVE Wayback Machine.
// @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。
// @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。
// @namespace   knoa.jp
// @include     /^http:\/\/web\.archive\.org\/web\/\*\/https?:\/\//
// @version     1.0.1
// @grant       none
// ==/UserScript==
(function(){
const SCRIPTID = 'WaybackMachineAutoHopper';
const SCRIPTNAME = 'Wayback Machine Auto Hopper';
const DEBUG = false;/*
[update] 1.0.1
No updates on code. Just confirmed to work.
[bug]
[todo]
[possible]
[research]
[Esc]のキャンセルを捉えたことがわかる反応がほしいね。
[memo]
*/
if(window === top && console.time) console.time(SCRIPTID);
const MS = 1, SECOND = 1000*MS, MINUTE = 60*SECOND, HOUR = 60*MINUTE, DAY = 24*HOUR, WEEK = 7*DAY, MONTH = 30*DAY, YEAR = 365*DAY;
const HOPTO = 'EARLIEST';/* EARLIEST or LATEST */
const DELAY = 0;/* set some time to keep chance to press [Esc] to cancel the hop */
const site = {
targets: {
reactWaybackSearch: () => $('#react-wayback-search'),
},
get: {
EARLIEST: () => $('.captures-range-info a[href]:first-of-type'),
LATEST: () => $('.captures-range-info a[href]:last-of-type'),
selector: () => {
switch(HOPTO){
case('EARLIEST'): return site.get.EARLIEST;
case('LATEST'):   return site.get.LATEST;
default:
console.error(SCRIPTNAME, 'Unknown HOPTO:', HOPTO);
return null;
}
},
},
};
let elements = {};
const core = {
initialize: function(){
elements.html = document.documentElement;
elements.html.classList.add(SCRIPTID);
core.ready();
},
ready: function(){
let canceled = false, selector = site.get.selector(), a, observer;
if(selector === null) return;
window.addEventListener('keydown', function(e){
if(canceled) return;
if(e.key !== 'Escape') return;
if(observer) observer.disconnect();
canceled = true;
log('Canceled.');
});
core.getTargets(site.targets).then(() => {
log("I'm ready.");
if(canceled) return;
a = selector();
if(a) core.hop(a);
else observer = observe(elements.reactWaybackSearch, function(records){
a = selector();
if(a){
observer.disconnect();
core.hop(a);
}
}, {childList: true, subtree: true});
}).catch(selector => {
log(`Not found: ${selector.name}, I give up.`);
});
},
hop: function(a){
setTimeout(function(){
log('Jump to:', a.href);
a.click();
}, DELAY);
},
getTarget: function(selector, retry = 10, interval = 1*SECOND){
const key = selector.name;
const get = function(resolve, reject){
let selected = selector();
if(selected && selected.length > 0) selected.forEach((s) => s.dataset.selector = key);/* elements */
else if(selected instanceof HTMLElement) selected.dataset.selector = key;/* element */
else if(--retry) return log(`Not found: ${key}, retrying... (${retry})`), setTimeout(get, interval, resolve, reject);
else return reject(selector);
elements[key] = selected;
resolve(selected);
};
return new Promise(function(resolve, reject){
get(resolve, reject);
});
},
getTargets: function(selectors, retry = 10, interval = 1*SECOND){
return Promise.all(Object.values(selectors).map(selector => core.getTarget(selector, retry, interval)));
},
};
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);
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);
if(!('isConnected' in Node.prototype)) Object.defineProperty(Node.prototype, 'isConnected', {get: function(){return document.contains(this)}});
const $ = function(s, f){
let target = document.querySelector(s);
if(target === null) return null;
return f ? f(target) : target;
};
const $$ = function(s, f){
let targets = document.querySelectorAll(s);
return f ? Array.from(targets).map(t => f(t)) : targets;
};
const createElement = function(html = '<span></span>'){
let outer = document.createElement('div');
outer.innerHTML = html;
return outer.firstElementChild;
};
const observe = function(element, callback, options = {childList: true, attributes: false, characterData: false, subtree: false}){
let observer = new MutationObserver(callback.bind(element));
observer.observe(element, options);
return observer;
};
const log = function(){
if(!DEBUG) return;
let l = log.last = log.now || new Date(), n = log.now = new Date();
let error = new Error(), line = log.format.getLine(error), callers = log.format.getCallers(error);
//console.log(error.stack);
console.log(
SCRIPTID + ':',
/* 00:00:00.000  */ n.toLocaleTimeString() + '.' + n.getTime().toString().slice(-3),
/* +0.000s       */ '+' + ((n-l)/1000).toFixed(3) + 's',
/* :00           */ ':' + line,
/* caller.caller */ (callers[2] ? callers[2] + '() => ' : '') +
/* caller        */ (callers[1] || '') + '()',
...arguments
);
};
log.formats = [{
name: 'Firefox Scratchpad',
detector: /MARKER@Scratchpad/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Console',
detector: /MARKER@debugger/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Greasemonkey 3',
detector: /\/gm_scripts\//,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Greasemonkey 4+',
detector: /MARKER@user-script:/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1] - 500,
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Tampermonkey',
detector: /MARKER@moz-extension:/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1] - 6,
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Chrome Console',
detector: /at MARKER \(<anonymous>/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1],
getCallers: (e) => e.stack.match(/[^ ]+(?= \(<anonymous>)/gm),
}, {
name: 'Chrome Tampermonkey',
detector: /at MARKER \(chrome-extension:.*?\/userscript.html\?name=/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1] - 4,
getCallers: (e) => e.stack.match(/[^ ]+(?= \(chrome-extension:)/gm),
}, {
name: 'Chrome Extension',
detector: /at MARKER \(chrome-extension:/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1],
getCallers: (e) => e.stack.match(/[^ ]+(?= \(chrome-extension:)/gm),
}, {
name: 'Edge Console',
detector: /at MARKER \(eval/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)$/)[1],
getCallers: (e) => e.stack.match(/[^ ]+(?= \(eval)/gm),
}, {
name: 'Edge Tampermonkey',
detector: /at MARKER \(Function/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)$/)[1] - 4,
getCallers: (e) => e.stack.match(/[^ ]+(?= \(Function)/gm),
}, {
name: 'Safari',
detector: /^MARKER$/m,
getLine: (e) => 0,/*e.lineが用意されているが最終呼び出し位置のみ*/
getCallers: (e) => e.stack.split('\n'),
}, {
name: 'Default',
detector: /./,
getLine: (e) => 0,
getCallers: (e) => [],
}];
log.format = log.formats.find(function MARKER(f){
if(!f.detector.test(new Error().stack)) return false;
//console.log('////', f.name, 'wants', 0/*line*/, '\n' + new Error().stack);
return true;
});
core.initialize();
if(window === top && console.timeEnd) console.timeEnd(SCRIPTID);
})();