2020-12-26 10:01:32 +09:00
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/**
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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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2020-12-26 15:13:25 +09:00
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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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2020-12-26 10:01:32 +09:00
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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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2020-12-26 10:55:12 +09:00
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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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* 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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2020-12-26 10:01:32 +09:00
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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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2020-12-26 15:13:25 +09:00
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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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2021-03-03 00:25:13 +09:00
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window.onerror = (e) => {
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2022-06-26 12:47:43 +09:00
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renderError('SOMETHING_HAPPENED', e);
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2021-03-03 00:25:13 +09:00
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};
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window.onunhandledrejection = (e) => {
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2022-06-26 12:47:43 +09:00
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renderError('SOMETHING_HAPPENED_IN_PROMISE', e);
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2021-03-03 00:25:13 +09:00
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};
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2020-12-26 15:13:25 +09:00
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const v = localStorage.getItem('v') || VERSION;
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//#region Detect language & fetch translations
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2021-02-27 11:29:52 +09:00
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const localeVersion = localStorage.getItem('localeVersion');
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const localeOutdated = (localeVersion == null || localeVersion !== v);
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if (!localStorage.hasOwnProperty('locale') || localeOutdated) {
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2020-12-26 15:13:25 +09:00
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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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2020-12-26 10:58:59 +09:00
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}
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2020-12-26 15:13:25 +09:00
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const res = await fetch(`/assets/locales/${lang}.${v}.json`);
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2021-03-03 00:25:13 +09:00
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if (res.status === 200) {
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localStorage.setItem('lang', lang);
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localStorage.setItem('locale', await res.text());
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localStorage.setItem('localeVersion', v);
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} else {
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2021-09-22 22:45:10 +09:00
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await checkUpdate();
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2021-03-03 00:25:13 +09:00
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renderError('LOCALE_FETCH_FAILED');
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return;
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}
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2020-12-26 10:01:32 +09:00
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}
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2020-12-26 10:58:59 +09:00
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//#endregion
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2020-12-26 15:13:25 +09:00
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//#region Script
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2022-05-29 10:58:54 +09:00
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import(`/assets/${CLIENT_ENTRY}`)
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.catch(async e => {
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2022-05-01 22:51:07 +09:00
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await checkUpdate();
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2022-06-26 12:47:43 +09:00
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renderError('APP_FETCH_FAILED', e);
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2022-05-01 22:51:07 +09:00
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})
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2020-12-26 10:58:59 +09:00
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//#endregion
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//#region Theme
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const theme = localStorage.getItem('theme');
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if (theme) {
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for (const [k, v] of Object.entries(JSON.parse(theme))) {
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document.documentElement.style.setProperty(`--${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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2020-12-26 10:01:32 +09:00
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}
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}
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}
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}
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2020-12-26 10:58:59 +09:00
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//#endregion
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2020-12-26 10:01:32 +09:00
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2020-12-26 10:58:59 +09:00
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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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2020-12-26 10:01:32 +09:00
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2020-12-26 10:58:59 +09:00
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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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2020-12-26 10:01:32 +09:00
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2020-12-26 18:33:54 +09:00
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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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2021-07-14 00:11:05 +09:00
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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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2021-08-24 14:39:42 +09:00
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document.head.appendChild(style);
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2021-07-14 00:11:05 +09:00
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}
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2021-03-03 00:25:13 +09:00
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// eslint-disable-next-line no-inner-declarations
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function renderError(code, details) {
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2022-06-26 12:47:43 +09:00
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let errorsElement = document.getElementById('errors');
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if (!errorsElement) {
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document.documentElement.innerHTML = `
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<h1>⚠ An error has occurred. ⚠</h1>
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<p>If the problem persists, please contact the administrator. You may also try the following options:</p>
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2021-03-03 00:25:13 +09:00
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<ul>
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2022-06-26 12:47:43 +09:00
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<li>Start <a href="/cli">the simple client</a></li>
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<li>Attempt to repair in <a href="/bios">BIOS</a></li>
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<li><a href="/flush">Flush preferences and cache</a></li>
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2021-03-03 00:25:13 +09:00
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</ul>
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<hr>
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2022-06-26 12:47:43 +09:00
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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.innerHTML = `<summary><code>ERROR CODE: ${code}</code></summary>${JSON.stringify(details)}`;
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errorsElement.appendChild(detailsElement);
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2021-03-03 00:25:13 +09:00
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}
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// eslint-disable-next-line no-inner-declarations
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async function checkUpdate() {
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// TODO: サーバーが落ちている場合などのエラーハンドリング
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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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const meta = await res.json();
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if (meta.version != v) {
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localStorage.setItem('v', meta.version);
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refresh();
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}
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}
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2020-12-26 10:58:59 +09:00
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// eslint-disable-next-line no-inner-declarations
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function refresh() {
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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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2020-12-26 10:01:32 +09:00
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2020-12-26 10:58:59 +09:00
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location.reload();
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2020-12-26 10:01:32 +09:00
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}
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2020-12-26 15:13:25 +09:00
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})();
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