64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
/**
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* MISSKEY BOOT LOADER
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* (ENTRY POINT)
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*/
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/**
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* ドメインに基づいて適切なスクリプトを読み込みます。
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* ユーザーの言語およびモバイル端末か否かも考慮します。
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* webpackは介さないためrequireやimportは使えません。
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*/
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'use strict';
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// Get the current url information
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const Url = new URL(location.href);
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// Extarct the (sub) domain part of the current url
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//
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// e.g.
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// misskey.alice => misskey
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// misskey.strawberry.pasta => misskey
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// dev.misskey.alice.tachibana => dev
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let app = Url.host.split('.')[0];
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// Detect the user language
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// Note: The default language is English
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let lang = navigator.language.split('-')[0];
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if (!/^(en|ja)$/.test(lang)) lang = 'en';
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// Detect the user agent
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const ua = navigator.userAgent.toLowerCase();
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const isMobile = /mobile|iphone|ipad|android/.test(ua);
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// Get the <head> element
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const head = document.getElementsByTagName('head')[0];
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// If mobile, insert the viewport meta tag
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if (isMobile) {
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const meta = document.createElement('meta');
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meta.setAttribute('name', 'viewport');
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meta.setAttribute('content', [
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['width', 'device-width'],
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['initial-scale', '1'],
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['minimum-scale', '1'],
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['maximum-scale', '1'],
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['user-scalable', 'no']
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].map(x => x.join('=')).join(','));
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head.appendChild(meta);
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}
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// Switch desktop or mobile version
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if (app == 'misskey') {
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app = isMobile ? 'mobile' : 'desktop';
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}
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// Load an app script
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// Note: 'async' make it possible to load the script asyncly.
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// 'defer' make it possible to run the script when the dom loaded.
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const script = document.createElement('script');
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script.setAttribute('src', `/assets/${app}.${VERSION}.${lang}.js`);
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script.setAttribute('async', 'true');
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script.setAttribute('defer', 'true');
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head.appendChild(script);
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