162 lines
4.1 KiB
JavaScript
162 lines
4.1 KiB
JavaScript
/**
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* MISSKEY BOOT LOADER
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* (ENTRY POINT)
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*/
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/**
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* ドメインに基づいて適切なスクリプトを読み込みます。
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* ユーザーの言語およびモバイル端末か否かも考慮します。
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* webpackは介さないためrequireやimportは使えません。
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*/
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'use strict';
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(function() {
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// キャッシュ削除要求があれば従う
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if (localStorage.getItem('shouldFlush') == 'true') {
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refresh();
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return;
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}
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const langs = LANGS;
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//#region Apply theme
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const theme = localStorage.getItem('theme');
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if (theme) {
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Object.entries(JSON.parse(theme)).forEach(([k, v]) => {
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document.documentElement.style.setProperty(`--${k}`, v.toString());
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});
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}
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//#endregion
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//#region Load settings
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let settings = null;
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const vuex = localStorage.getItem('vuex');
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if (vuex) {
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settings = JSON.parse(vuex);
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}
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//#endregion
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// Get the current url information
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const url = new URL(location.href);
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//#region Detect app name
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let app = null;
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if (`${url.pathname}/`.startsWith('/docs/')) app = 'docs';
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if (`${url.pathname}/`.startsWith('/dev/')) app = 'dev';
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if (`${url.pathname}/`.startsWith('/auth/')) app = 'auth';
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//#endregion
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//#region Detect the user language
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let lang = null;
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if (langs.includes(navigator.language)) {
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lang = navigator.language;
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} else {
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lang = langs.find(x => x.split('-')[0] == navigator.language);
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if (lang == null) {
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// Fallback
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lang = 'en-US';
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}
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}
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if (settings && settings.device.lang &&
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langs.includes(settings.device.lang)) {
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lang = settings.device.lang;
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}
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//#endregion
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// Detect the user agent
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const ua = navigator.userAgent.toLowerCase();
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const isMobile = /mobile|iphone|ipad|android/.test(ua);
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// Get the <head> element
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const head = document.getElementsByTagName('head')[0];
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// If mobile, insert the viewport meta tag
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if (isMobile) {
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const meta = document.createElement('meta');
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meta.setAttribute('name', 'viewport');
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meta.setAttribute('content',
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'width=device-width,' +
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'initial-scale=1,' +
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'minimum-scale=1,' +
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'maximum-scale=1,' +
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'user-scalable=no');
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head.appendChild(meta);
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}
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// Switch desktop or mobile version
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if (app == null) {
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app = isMobile ? 'mobile' : 'desktop';
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}
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// Script version
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const ver = localStorage.getItem('v') || VERSION;
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// Get salt query
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const salt = localStorage.getItem('salt')
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? `?salt=${localStorage.getItem('salt')}`
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: '';
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// Load an app script
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// Note: 'async' make it possible to load the script asyncly.
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// 'defer' make it possible to run the script when the dom loaded.
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const script = document.createElement('script');
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script.setAttribute('src', `/assets/${app}.${ver}.${lang}.js${salt}`);
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script.setAttribute('async', 'true');
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script.setAttribute('defer', 'true');
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head.appendChild(script);
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// 3秒経ってもスクリプトがロードされない場合はバージョンが古くて
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// 404になっているせいかもしれないので、バージョンを確認して古ければ更新する
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//
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// 読み込まれたスクリプトからこのタイマーを解除できるように、
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// グローバルにタイマーIDを代入しておく
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window.mkBootTimer = window.setTimeout(async () => {
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// Fetch meta
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const res = await fetch('/api/meta', {
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method: 'POST',
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cache: 'no-cache'
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});
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// Parse
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const meta = await res.json();
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// Compare versions
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if (meta.clientVersion != ver) {
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localStorage.setItem('v', meta.clientVersion);
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alert(
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'Misskeyの新しいバージョンがあります。ページを再度読み込みします。' +
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'\n\n' +
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'New version of Misskey available. The page will be reloaded.');
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refresh();
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}
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}, 3000);
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function refresh() {
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localStorage.setItem('shouldFlush', 'false');
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// Random
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localStorage.setItem('salt', Math.random().toString().substr(2, 8));
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// Clear cache (service worker)
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try {
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navigator.serviceWorker.controller.postMessage('clear');
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navigator.serviceWorker.getRegistrations().then(registrations => {
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registrations.forEach(registration => registration.unregister());
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});
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} catch (e) {
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console.error(e);
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}
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// Force reload
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location.reload(true);
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}
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})();
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