perf: boot.jsの調整
This commit is contained in:
tamaina
parent
4457b02db2
commit
00c1e4eb55
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@ -7,208 +7,27 @@
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* BOOT LOADER
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* サーバーからレスポンスされるHTMLに埋め込まれるスクリプトで、以下の役割を持ちます。
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* - 翻訳ファイルをフェッチする。
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* - バージョンに基づいて適切なメインスクリプトを読み込む。
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* - 事前に挿入されたCLIENT_ENTRYを読んで適切なメインスクリプトを読み込む。
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* - キャッシュされたコンパイル済みテーマを適用する。
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* - クライアントの設定値に基づいて対応するHTMLクラス等を設定する。
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* - もしメインスクリプトの読み込みなどでエラーが発生した場合は、renderErrorでエラーを描画する。
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* テーマをこの段階で設定するのは、メインスクリプトが読み込まれる間もテーマを適用したいためです。
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* 注: webpackは介さないため、このファイルではrequireやimportは使えません。
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*/
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'use strict';
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var misskey_loader = new Set();
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// ブロックの中に入れないと、定義した変数がブラウザのグローバルスコープに登録されてしまい邪魔なので
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(async () => {
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window.onerror = (e) => {
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console.error(e);
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renderError('SOMETHING_HAPPENED', e);
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};
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window.onunhandledrejection = (e) => {
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console.error(e);
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renderError('SOMETHING_HAPPENED_IN_PROMISE', e);
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};
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function boot() {
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const defaultSolutions = [
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'Clear the browser cache / ブラウザのキャッシュをクリアする',
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'Update your os and browser / ブラウザおよびOSを最新バージョンに更新する',
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'Disable an adblocker / アドブロッカーを無効にする',
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'(Tor Browser) Set dom.webaudio.enabled to true / dom.webaudio.enabledをtrueに設定する'
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];
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let forceError = localStorage.getItem('forceError');
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if (forceError != null) {
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renderError('FORCED_ERROR', 'This error is forced by having forceError in local storage.')
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}
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//#region Detect language & fetch translations
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if (!localStorage.hasOwnProperty('locale')) {
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const supportedLangs = LANGS;
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let lang = localStorage.getItem('lang');
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if (lang == null || !supportedLangs.includes(lang)) {
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if (supportedLangs.includes(navigator.language)) {
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lang = navigator.language;
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} else {
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lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
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// Fallback
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if (lang == null) lang = 'en-US';
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}
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}
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const metaRes = await window.fetch('/api/meta', {
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method: 'POST',
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body: JSON.stringify({}),
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credentials: 'omit',
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cache: 'no-cache',
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headers: {
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'Content-Type': 'application/json',
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},
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});
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if (metaRes.status !== 200) {
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renderError('META_FETCH');
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return;
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}
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const meta = await metaRes.json();
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const v = meta.version;
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if (v == null) {
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renderError('META_FETCH_V');
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return;
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}
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// for https://github.com/misskey-dev/misskey/issues/10202
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if (lang == null || lang.toString == null || lang.toString() === 'null') {
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console.error('invalid lang value detected!!!', typeof lang, lang);
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lang = 'en-US';
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}
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const localRes = await window.fetch(`/assets/locales/${lang}.${v}.json`);
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if (localRes.status === 200) {
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localStorage.setItem('lang', lang);
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localStorage.setItem('locale', await localRes.text());
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localStorage.setItem('localeVersion', v);
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} else {
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renderError('LOCALE_FETCH');
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return;
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}
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}
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//#endregion
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//#region Script
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async function importAppScript() {
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await import(`/vite/${CLIENT_ENTRY}`)
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.catch(async e => {
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console.error(e);
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renderError('APP_IMPORT', e);
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});
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}
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// タイミングによっては、この時点でDOMの構築が済んでいる場合とそうでない場合とがある
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if (document.readyState !== 'loading') {
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importAppScript();
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} else {
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window.addEventListener('DOMContentLoaded', () => {
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importAppScript();
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});
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}
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//#endregion
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//#region Theme
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const theme = localStorage.getItem('theme');
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if (theme) {
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for (const [k, v] of Object.entries(JSON.parse(theme))) {
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document.documentElement.style.setProperty(`--${k}`, v.toString());
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// HTMLの theme-color 適用
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if (k === 'htmlThemeColor') {
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for (const tag of document.head.children) {
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if (tag.tagName === 'META' && tag.getAttribute('name') === 'theme-color') {
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tag.setAttribute('content', v);
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break;
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}
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}
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}
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}
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}
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const colorScheme = localStorage.getItem('colorScheme');
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if (colorScheme) {
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document.documentElement.style.setProperty('color-scheme', colorScheme);
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}
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//#endregion
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const fontSize = localStorage.getItem('fontSize');
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if (fontSize) {
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document.documentElement.classList.add('f-' + fontSize);
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}
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const useSystemFont = localStorage.getItem('useSystemFont');
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if (useSystemFont) {
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document.documentElement.classList.add('useSystemFont');
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}
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const wallpaper = localStorage.getItem('wallpaper');
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if (wallpaper) {
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document.documentElement.style.backgroundImage = `url(${wallpaper})`;
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}
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const customCss = localStorage.getItem('customCss');
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if (customCss && customCss.length > 0) {
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const style = document.createElement('style');
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style.innerHTML = customCss;
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document.head.appendChild(style);
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}
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async function addStyle(styleText) {
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let css = document.createElement('style');
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css.appendChild(document.createTextNode(styleText));
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document.head.appendChild(css);
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}
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function renderError(code, details) {
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let errorsElement = document.getElementById('errors');
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if (!errorsElement) {
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document.body.innerHTML = `
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<svg class="icon-warning" xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-alert-triangle" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
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<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
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<path d="M12 9v2m0 4v.01"></path>
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<path d="M5 19h14a2 2 0 0 0 1.84 -2.75l-7.1 -12.25a2 2 0 0 0 -3.5 0l-7.1 12.25a2 2 0 0 0 1.75 2.75"></path>
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</svg>
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<h1>Failed to load<br>読み込みに失敗しました</h1>
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<button class="button-big" onclick="location.reload(true);">
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<span class="button-label-big">Reload / リロード</span>
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</button>
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<p><b>The following actions may solve the problem. / 以下を行うと解決する可能性があります。</b></p>
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<p>Clear the browser cache / ブラウザのキャッシュをクリアする</p>
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<p>Update your os and browser / ブラウザおよびOSを最新バージョンに更新する</p>
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<p>Disable an adblocker / アドブロッカーを無効にする</p>
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<p>(Tor Browser) Set dom.webaudio.enabled to true / dom.webaudio.enabledをtrueに設定する</p>
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<details style="color: #86b300;">
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<summary>Other options / その他のオプション</summary>
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<a href="/flush">
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<button class="button-small">
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<span class="button-label-small">Clear preferences and cache</span>
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</button>
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</a>
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<br>
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<a href="/cli">
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<button class="button-small">
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<span class="button-label-small">Start the simple client</span>
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</button>
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</a>
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<br>
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<a href="/bios">
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<button class="button-small">
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<span class="button-label-small">Start the repair tool</span>
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</button>
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</a>
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</details>
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<br>
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<div id="errors"></div>
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`;
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errorsElement = document.getElementById('errors');
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}
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const detailsElement = document.createElement('details');
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detailsElement.id = 'errorInfo';
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detailsElement.innerHTML = `
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<br>
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<summary>
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<code>ERROR CODE: ${code}</code>
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</summary>
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<code>${JSON.stringify(details)}</code>`;
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errorsElement.appendChild(detailsElement);
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addStyle(`
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const onErrorStyle = `
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* {
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font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif;
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}
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@ -288,32 +107,288 @@
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margin: 1em;
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}
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summary {
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cursor: pointer;
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}
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code {
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font-family: Fira, FiraCode, monospace;
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}
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#errorInfo {
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#errors {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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.errorInfo {
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background: #333;
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margin-bottom: 2rem;
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padding: 0.5rem 1rem;
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width: 40rem;
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max-width: 100%;
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border-radius: 10px;
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justify-content: center;
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margin: auto;
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padding: 1rem;
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margin-bottom: 1rem;
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box-sizing: border-box;
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}
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#errorInfo summary {
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cursor: pointer;
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.errorInfo > pre {
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text-wrap: auto;
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text-wrap: balance;
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}
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`;
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const addStyle = (styleText) => {
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try {
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let css = document.createElement('style');
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css.appendChild(document.createTextNode(styleText));
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document.head.appendChild(css);
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} catch (e) {
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console.error(e);
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}
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}
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#errorInfo summary > * {
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display: inline;
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const renderError = (code, details, solutions = defaultSolutions) => {
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if (document.readyState === 'loading') {
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window.addEventListener('DOMContentLoaded', () => {
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renderError(code, details, solutions);
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});
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try {
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addStyle(onErrorStyle);
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} catch (e) { }
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return;
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}
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@media screen and (max-width: 500px) {
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#errorInfo {
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width: 50%;
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let errorsElement = document.getElementById('errors');
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if (!errorsElement) {
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// エラー描画用のビューになっていない場合は、エラー描画用のビューに切り替える
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document.body.innerHTML = `
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<svg class="icon-warning" xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-alert-triangle" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
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<path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
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<path d="M12 9v2m0 4v.01"></path>
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<path d="M5 19h14a2 2 0 0 0 1.84 -2.75l-7.1 -12.25a2 2 0 0 0 -3.5 0l-7.1 12.25a2 2 0 0 0 1.75 2.75"></path>
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</svg>
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<h1>Failed to load<br>読み込みに失敗しました</h1>
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<button class="button-big" onclick="location.reload(true);">
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<span class="button-label-big">Reload / リロード</span>
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</button>
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<p><b>The following actions may solve the problem. / 以下を行うと解決する可能性があります。</b></p>
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${solutions.map(x => `<p>${x}</p>`).join('')}
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<details style="color: #86b300;">
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<summary>Other options / その他のオプション</summary>
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<a href="/flush">
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<button class="button-small">
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<span class="button-label-small">Clear preferences and cache</span>
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</button>
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</a>
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<br>
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<a href="/cli">
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<button class="button-small">
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<span class="button-label-small">Start the simple client</span>
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</button>
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</a>
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<br>
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<a href="/bios">
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<button class="button-small">
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<span class="button-label-small">Start the repair tool</span>
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</button>
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</a>
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</details>
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<br>
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<div id="errors"></div>
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`;
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errorsElement = document.getElementById('errors');
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}
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`)
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if (typeof details === 'string') {
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const errorEl = document.createElement('div');
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errorEl.classList.add('errorInfo');
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const titleCodeElement = document.createElement('code');
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titleCodeElement.textContent = `ERROR CODE: ${code}`;
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errorEl.appendChild(titleCodeElement);
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errorEl.appendChild(document.createElement('br'));
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const detailsCodeElement = document.createElement('code');
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detailsCodeElement.textContent = details;
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errorEl.appendChild(detailsCodeElement);
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errorsElement.appendChild(errorEl);
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} else if (details instanceof Error) {
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const errorEl = document.createElement('details');
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errorEl.classList.add('errorInfo');
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const summaryElement = document.createElement('summary');
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const titleCodeElement = document.createElement('code');
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titleCodeElement.textContent = `ERROR CODE: ${code}`;
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summaryElement.appendChild(titleCodeElement);
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errorEl.appendChild(summaryElement);
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const detailsPreElement = document.createElement('pre');
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const detailsMessageElement = document.createElement('code');
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detailsMessageElement.textContent = details.message;
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detailsPreElement.appendChild(detailsMessageElement);
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detailsPreElement.appendChild(document.createElement('br'));
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const detailsCodeElement = document.createElement('code');
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detailsCodeElement.textContent = details.stack;
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detailsPreElement.appendChild(detailsCodeElement);
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errorEl.appendChild(detailsPreElement);
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errorsElement.appendChild(errorEl);
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} else {
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const errorEl = document.createElement('details');
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errorEl.classList.add('errorInfo');
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const summaryElement = document.createElement('summary');
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const titleCodeElement = document.createElement('code');
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titleCodeElement.textContent = `ERROR CODE: ${code}`;
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summaryElement.appendChild(titleCodeElement);
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errorEl.appendChild(summaryElement);
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const detailsCodeElement = document.createElement('code');
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detailsCodeElement.textContent = JSON.stringify(details);
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errorEl.appendChild(detailsCodeElement);
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errorsElement.appendChild(errorEl);
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}
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})();
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addStyle(onErrorStyle);
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}
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window.onerror = (e) => {
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console.error(e);
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renderError('SOMETHING_HAPPENED', e);
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};
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window.onunhandledrejection = (e) => {
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console.error(e);
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renderError('SOMETHING_HAPPENED_IN_PROMISE', e);
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};
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let forceError = localStorage.getItem('forceError');
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if (forceError != null) {
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renderError('FORCED_ERROR', 'This error is forced by having forceError in local storage.')
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renderError('FORCED_ERROR', Error('This error is forced by having forceError in local storage.'));
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return;
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}
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//#region After DOM loaded
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async function oncontentload() {
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const providedMetaEl = document.getElementById('misskey_meta');
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const meta = providedMetaEl && providedMetaEl.textContent ? JSON.parse(providedMetaEl.textContent) : null;
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const providedAt = providedMetaEl && providedMetaEl.dataset.generatedAt ? parseInt(providedMetaEl.dataset.generatedAt) : 0;
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console.log('providedAt', providedAt, 'now', Date.now());
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if (providedAt < Date.now() - 1000 * 60 * 60 * 24) {
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// 古いデータがなぜか提供された場合は、エラーを描画する
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renderError(
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'META_PROVIDED_AT_TOO_OLD',
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'This view is too old. Please reload.',
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[
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'Reload / リロードする',
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'Clear the browser cache then reload / ブラウザのキャッシュをクリアしてリロードする',
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'Disable an adblocker / アドブロッカーを無効にする',
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]
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);
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return;
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}
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//#region Detect language & fetch translations on first load
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if (!localStorage.hasOwnProperty('locale')) {
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const supportedLangs = LANGS;
|
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let lang = localStorage.getItem('lang');
|
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if (lang == null || !supportedLangs.includes(lang)) {
|
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if (supportedLangs.includes(navigator.language)) {
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lang = navigator.language;
|
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} else {
|
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lang = supportedLangs.find(x => x.split('-')[0] === navigator.language);
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|
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// Fallback
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if (lang == null) lang = 'en-US';
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}
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}
|
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|
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const v = meta?.version;
|
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|
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// for https://github.com/misskey-dev/misskey/issues/10202
|
||||
if (lang == null || lang.toString == null || lang.toString() === 'null') {
|
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console.warn('invalid lang value detected!!!', typeof lang, lang);
|
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lang = 'en-US';
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}
|
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|
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const localRes = await window.fetch(`/assets/locales/${lang}.${v}.json`);
|
||||
if (localRes.status === 200) {
|
||||
localStorage.setItem('lang', lang);
|
||||
localStorage.setItem('locale', await localRes.text());
|
||||
localStorage.setItem('localeVersion', v);
|
||||
} else {
|
||||
renderError('LOCALE_FETCH');
|
||||
return;
|
||||
}
|
||||
}
|
||||
//#endregion
|
||||
|
||||
await import(`/vite/${CLIENT_ENTRY}`)
|
||||
.catch(async e => {
|
||||
console.error(e);
|
||||
renderError('APP_IMPORT', e);
|
||||
});
|
||||
}
|
||||
|
||||
if (document.readyState !== 'loading') {
|
||||
misskey_loader.add(oncontentload());
|
||||
} else {
|
||||
window.addEventListener('DOMContentLoaded', () => {
|
||||
misskey_loader.add(oncontentload());
|
||||
});
|
||||
}
|
||||
//#endregion
|
||||
|
||||
//#region Theme
|
||||
const theme = localStorage.getItem('theme');
|
||||
if (theme) {
|
||||
for (const [k, v] of Object.entries(JSON.parse(theme))) {
|
||||
document.documentElement.style.setProperty(`--${k}`, v.toString());
|
||||
|
||||
// HTMLの theme-color 適用
|
||||
if (k === 'htmlThemeColor') {
|
||||
for (const tag of document.head.children) {
|
||||
if (tag.tagName === 'META' && tag.getAttribute('name') === 'theme-color') {
|
||||
tag.setAttribute('content', v);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
const colorScheme = localStorage.getItem('colorScheme');
|
||||
if (colorScheme) {
|
||||
document.documentElement.style.setProperty('color-scheme', colorScheme);
|
||||
}
|
||||
//#endregion
|
||||
|
||||
const fontSize = localStorage.getItem('fontSize');
|
||||
if (fontSize) {
|
||||
document.documentElement.classList.add('f-' + fontSize);
|
||||
}
|
||||
|
||||
const useSystemFont = localStorage.getItem('useSystemFont');
|
||||
if (useSystemFont) {
|
||||
document.documentElement.classList.add('useSystemFont');
|
||||
}
|
||||
|
||||
const wallpaper = localStorage.getItem('wallpaper');
|
||||
if (wallpaper) {
|
||||
document.documentElement.style.backgroundImage = `url(${wallpaper})`;
|
||||
}
|
||||
|
||||
const customCss = localStorage.getItem('customCss');
|
||||
if (customCss && customCss.length > 0) {
|
||||
const style = document.createElement('style');
|
||||
style.innerHTML = customCss;
|
||||
document.head.appendChild(style);
|
||||
}
|
||||
}
|
||||
|
||||
boot();
|
||||
|
|
|
|||
Loading…
Reference in New Issue