/** * BOOT LOADER * 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。 * - 翻訳ファイルをフェッチする。 * - 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。 * - キャッシュされたコンパイル済みテーマを適用する。 * - 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。 * 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。 * 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。 */ 'use strict'; // 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 (async () => { window.onerror = (e) => { console.error(e); renderError('SOMETHING_HAPPENED', e); }; window.onunhandledrejection = (e) => { console.error(e); renderError('SOMETHING_HAPPENED_IN_PROMISE', e); }; let forceError = localStorage.getItem('forceError'); if (forceError != null) { renderError('FORCED_ERROR', 'This error is forced by having forceError in local storage.') } //#region Detect language & fetch translations if (!localStorage.hasOwnProperty('locale')) { const supportedLangs = LANGS; let lang = localStorage.getItem('lang'); if (lang == null || !supportedLangs.includes(lang)) { if (supportedLangs.includes(navigator.language)) { lang = navigator.language; } else { lang = supportedLangs.find(x => x.split('-')[0] === navigator.language); // Fallback if (lang == null) lang = 'en-US'; } } const metaRes = await window.fetch('/api/meta', { method: 'POST', body: JSON.stringify({}), credentials: 'omit', cache: 'no-cache', headers: { 'Content-Type': 'application/json', }, }); if (metaRes.status !== 200) { renderError('META_FETCH'); return; } const meta = await metaRes.json(); const v = meta.version; if (v == null) { renderError('META_FETCH_V'); return; } 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 //#region Script function importAppScript() { import(`/vite/${CLIENT_ENTRY}`) .catch(async e => { console.error(e); renderError('APP_IMPORT', e); }); } // タイミングによっては、この時点でDOMの構築が済んでいる場合とそうでない場合とがある if (document.readyState !== 'loading') { importAppScript(); } else { window.addEventListener('DOMContentLoaded', () => { importAppScript(); }); } //#endregion //#region Theme const theme = localStorage.getItem('theme'); if (theme) { for (const [k, v] of Object.entries(JSON.parse(theme))) { document.documentElement.style.setProperty(`--${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 colorSchema = localStorage.getItem('colorSchema'); if (colorSchema) { document.documentElement.style.setProperty('color-schema', colorSchema); } //#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); } async function addStyle(styleText) { let css = document.createElement('style'); css.appendChild(document.createTextNode(styleText)); document.head.appendChild(css); } function renderError(code, details) { let errorsElement = document.getElementById('errors'); if (!errorsElement) { document.body.innerHTML = ` <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"> <path stroke="none" d="M0 0h24v24H0z" fill="none"></path> <path d="M12 9v2m0 4v.01"></path> <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> </svg> <h1>An error has occurred!</h1> <button class="button-big" onclick="location.reload(true);"> <span class="button-label-big">Refresh</span> </button> <p class="dont-worry">Don't worry, it's (probably) not your fault.</p> <p>If the problem persists after refreshing, please contact your instance's administrator.<br>You may also try the following options:</p> <p>Update your os and browser.</p> <p>Disable an adblocker.</p> <a href="/flush"> <button class="button-small"> <span class="button-label-small">Clear preferences and cache</span> </button> </a> <br> <a href="/cli"> <button class="button-small"> <span class="button-label-small">Start the simple client</span> </button> </a> <br> <a href="/bios"> <button class="button-small"> <span class="button-label-small">Start the repair tool</span> </button> </a> <br> <div id="errors"></div> `; errorsElement = document.getElementById('errors'); } const detailsElement = document.createElement('details'); detailsElement.innerHTML = ` <br> <summary> <code>ERROR CODE: ${code}</code> </summary> <code>${JSON.stringify(details)}</code>`; errorsElement.appendChild(detailsElement); addStyle(` * { font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif; } #misskey_app, #splash { display: none !important; } body, html { background-color: #222; color: #dfddcc; justify-content: center; margin: auto; padding: 10px; text-align: center; } button { border-radius: 999px; padding: 0px 12px 0px 12px; border: none; cursor: pointer; margin-bottom: 12px; } .button-big { background: linear-gradient(90deg, rgb(134, 179, 0), rgb(74, 179, 0)); line-height: 50px; } .button-big:hover { background: rgb(153, 204, 0); } .button-small { background: #444; line-height: 40px; } .button-small:hover { background: #555; } .button-label-big { color: #222; font-weight: bold; font-size: 20px; padding: 12px; } .button-label-small { color: rgb(153, 204, 0); font-size: 16px; padding: 12px; } a { color: rgb(134, 179, 0); text-decoration: none; } p, li { font-size: 16px; } .dont-worry, #msg { font-size: 18px; } .icon-warning { color: #dec340; height: 4rem; padding-top: 2rem; } h1 { font-size: 32px; } code { font-family: Fira, FiraCode, monospace; } details { background: #333; margin-bottom: 2rem; padding: 0.5rem 1rem; width: 40rem; border-radius: 10px; justify-content: center; margin: auto; } summary { cursor: pointer; } summary > * { display: inline; } @media screen and (max-width: 500px) { details { width: 50%; } `) } })();