/**
* 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);
};
//#region Detect language & fetch translations
const v = localStorage.getItem("v") || VERSION;
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 res = await fetch(`/assets/locales/${lang}.${v}.json`);
if (res.status === 200) {
localStorage.setItem("lang", lang);
localStorage.setItem("locale", await res.text());
localStorage.setItem("localeVersion", v);
} else {
await checkUpdate();
renderError("LOCALE_FETCH");
return;
}
//#endregion
//#region Script
function importAppScript() {
import(`/assets/${CLIENT_ENTRY}`).catch(async (e) => {
await checkUpdate();
console.error(e);
renderError("APP_IMPORT", e);
});
}
// タイミングによっては、この時点でDOMの構築が済んでいる場合とそうでない場合とがある
if (document.readyState !== "loading") {
importAppScript();
} else {
window.addEventListener("DOMContentLoaded", () => {
importAppScript();
});
}
//#endregion
//#region Theme
const theme = localStorage.getItem("theme");
if (theme) {
for (const [k, v] of Object.entries(JSON.parse(theme))) {
document.documentElement.style.setProperty(`--${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
let fontSize = localStorage.getItem("fontSize");
if (fontSize) {
if (fontSize < 10) {
// need to do this for now, as values before were 1, 2, 3 depending on the option
localStorage.setItem("fontSize", null);
fontSize = localStorage.getItem("fontSize");
}
document.documentElement.style.fontSize = fontSize + "px";
}
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 = `
An error has occurred!
Don't worry, it's (probably) not your fault.
Please make sure your browser is up-to-date and any AdBlockers are off.
If the problem persists after refreshing, please contact your instance's administrator.
You may also try the following options:
`;
errorsElement = document.getElementById("errors");
}
const detailsElement = document.createElement("details");
detailsElement.innerHTML = `
ERROR CODE: ${code}
${JSON.stringify(details)}`;
errorsElement.appendChild(detailsElement);
addStyle(`
* {
font-family: BIZ UDGothic, Roboto, HelveticaNeue, Arial, sans-serif;
}
#calckey_app,
#splash {
display: none !important;
}
body,
html {
background-color: #191724;
color: #e0def4;
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(196, 167, 231), rgb(235, 188, 186));
line-height: 50px;
}
.button-big:hover {
background: rgb(49, 116, 143);
}
.button-small {
background: #444;
line-height: 40px;
}
.button-small:hover {
background: #555;
}
.button-label-big {
color: #191724;
font-weight: bold;
font-size: 20px;
padding: 12px;
}
.button-label-small {
color: rgb(156, 207, 216);
font-size: 16px;
padding: 12px;
}
a {
color: rgb(156, 207, 216);
text-decoration: none;
}
p,
li {
font-size: 16px;
}
.dont-worry,
#msg {
font-size: 18px;
}
.icon-warning {
color: #f6c177;
height: 4rem;
padding-top: 2rem;
}
h1 {
font-size: 32px;
}
code {
font-family: Fira, FiraCode, monospace;
}
details {
background: #1f1d2e;
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%;
}
`);
}
async function checkUpdate() {
try {
const res = await fetch("/api/meta", {
method: "POST",
cache: "no-cache",
});
const meta = await res.json();
if (meta.version != v) {
localStorage.setItem("v", meta.version);
refresh();
}
} catch (e) {
console.error(e);
renderError("UPDATE_CHECK", e);
throw e;
}
}
function refresh() {
// Clear cache (service worker)
try {
navigator.serviceWorker.controller.postMessage("clear");
navigator.serviceWorker.getRegistrations().then((registrations) => {
registrations.forEach((registration) => registration.unregister());
});
} catch (e) {
console.error(e);
}
location.reload();
}
})();