308 lines
7.6 KiB
JavaScript
308 lines
7.6 KiB
JavaScript
/**
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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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* - 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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* 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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// 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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//#region Detect language & fetch translations
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const v = localStorage.getItem("v") || VERSION;
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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 res = await fetch(`/assets/locales/${lang}.${v}.json`);
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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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await checkUpdate();
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renderError("LOCALE_FETCH");
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return;
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}
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//#endregion
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//#region Script
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function importAppScript() {
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import(`/assets/${CLIENT_ENTRY}`).catch(async (e) => {
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await checkUpdate();
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console.error(e);
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renderError("APP_IMPORT", e);
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});
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}
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// タイミングによっては、この時点でDOMの構築が済んでいる場合とそうでない場合とがある
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if (document.readyState !== "loading") {
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importAppScript();
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} else {
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window.addEventListener("DOMContentLoaded", () => {
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importAppScript();
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});
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}
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//#endregion
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//#region Theme
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const theme = localStorage.getItem("theme");
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if (theme) {
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for (const [k, v] of Object.entries(JSON.parse(theme))) {
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document.documentElement.style.setProperty(`--${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 (
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tag.tagName === "META" &&
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tag.getAttribute("name") === "theme-color"
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) {
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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 colorSchema = localStorage.getItem("colorSchema");
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if (colorSchema) {
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document.documentElement.style.setProperty("color-schema", colorSchema);
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}
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//#endregion
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let fontSize = localStorage.getItem("fontSize");
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if (fontSize) {
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if (fontSize < 10) {
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// need to do this for now, as values before were 1, 2, 3 depending on the option
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localStorage.setItem("fontSize", null);
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fontSize = localStorage.getItem("fontSize");
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}
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document.documentElement.style.fontSize = fontSize + "px";
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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>An error has occurred!</h1>
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<button class="button-big" onclick="location.reload(true);">
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<span class="button-label-big">Refresh</span>
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</button>
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<p class="dont-worry">Don't worry, it's (probably) not your fault.</p>
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<p>Please make sure your browser is up-to-date and any AdBlockers are off.</p>
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<p>If the problem persists after refreshing, please contact your instance's administrator</p>
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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.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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* {
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font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif;
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}
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#calckey_app,
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#splash {
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display: none !important;
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}
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body,
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html {
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background-color: #191724;
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color: #e0def4;
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justify-content: center;
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margin: auto;
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padding: 10px;
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text-align: center;
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}
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button {
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border-radius: 999px;
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padding: 0px 12px 0px 12px;
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border: none;
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cursor: pointer;
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margin-bottom: 12px;
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}
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.button-big {
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background: linear-gradient(90deg, rgb(196, 167, 231), rgb(235, 188, 186));
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line-height: 50px;
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}
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.button-big:hover {
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background: rgb(49, 116, 143);
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}
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.button-small {
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background: #444;
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line-height: 40px;
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}
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.button-small:hover {
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background: #555;
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}
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.button-label-big {
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color: #191724;
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font-weight: bold;
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font-size: 20px;
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padding: 12px;
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}
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.button-label-small {
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color: rgb(156, 207, 216);
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font-size: 16px;
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padding: 12px;
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}
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a {
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color: rgb(156, 207, 216);
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text-decoration: none;
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}
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p,
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li {
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font-size: 16px;
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}
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.dont-worry,
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#msg {
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font-size: 18px;
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}
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.icon-warning {
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color: #f6c177;
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height: 4rem;
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padding-top: 2rem;
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}
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h1 {
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font-size: 32px;
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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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details {
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background: #1f1d2e;
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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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border-radius: 10px;
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justify-content: center;
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margin: auto;
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}
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summary {
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cursor: pointer;
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}
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summary > * {
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display: inline;
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}
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@media screen and (max-width: 500px) {
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details {
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width: 50%;
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}
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`);
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}
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async function checkUpdate() {
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try {
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const res = await fetch( (_REMOTE_URL || "") + "/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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} catch (e) {
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console.error(e);
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renderError("UPDATE_CHECK", e);
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throw e;
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}
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}
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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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location.reload();
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}
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})();
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