From 0d82c52a7624d80ec48dc774fb23db5244bc14f9 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 28 May 2022 21:57:25 -0400
Subject: HTML page script refactoring (#2162)

* Move some common functionality

* Move setupEnvironmentInfo into ExtensionContentController

* Move background/environment.js to extension/environment.js
---
 ext/js/background/environment.js | 105 ---------------------------------------
 1 file changed, 105 deletions(-)
 delete mode 100644 ext/js/background/environment.js

(limited to 'ext/js/background')

diff --git a/ext/js/background/environment.js b/ext/js/background/environment.js
deleted file mode 100644
index d9ca502c..00000000
--- a/ext/js/background/environment.js
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2020-2022  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-class Environment {
-    constructor() {
-        this._cachedEnvironmentInfo = null;
-    }
-
-    async prepare() {
-        this._cachedEnvironmentInfo = await this._loadEnvironmentInfo();
-    }
-
-    getInfo() {
-        if (this._cachedEnvironmentInfo === null) { throw new Error('Not prepared'); }
-        return this._cachedEnvironmentInfo;
-    }
-
-    async _loadEnvironmentInfo() {
-        const browser = await this._getBrowser();
-        const os = await this._getOperatingSystem();
-        return {
-            browser,
-            platform: {os}
-        };
-    }
-
-    async _getOperatingSystem() {
-        try {
-            const {os} = await this._getPlatformInfo();
-            if (typeof os === 'string') {
-                return os;
-            }
-        } catch (e) {
-            // NOP
-        }
-        return 'unknown';
-    }
-
-    _getPlatformInfo() {
-        return new Promise((resolve, reject) => {
-            chrome.runtime.getPlatformInfo((result) => {
-                const error = chrome.runtime.lastError;
-                if (error) {
-                    reject(error);
-                } else {
-                    resolve(result);
-                }
-            });
-        });
-    }
-
-    async _getBrowser() {
-        try {
-            if (chrome.runtime.getURL('/').startsWith('ms-browser-extension://')) {
-                return 'edge-legacy';
-            }
-            if (/\bEdge?\//.test(navigator.userAgent)) {
-                return 'edge';
-            }
-        } catch (e) {
-            // NOP
-        }
-        if (typeof browser !== 'undefined') {
-            try {
-                const info = await browser.runtime.getBrowserInfo();
-                if (info.name === 'Fennec') {
-                    return 'firefox-mobile';
-                }
-            } catch (e) {
-                // NOP
-            }
-            if (this._isSafari()) {
-                return 'safari';
-            }
-            return 'firefox';
-        } else {
-            return 'chrome';
-        }
-    }
-
-    _isSafari() {
-        const {vendor, userAgent} = navigator;
-        return (
-            typeof vendor === 'string' &&
-            typeof userAgent === 'string' &&
-            vendor.includes('Apple') &&
-            !userAgent.includes('CriOS') &&
-            !userAgent.includes('FxiOS')
-        );
-    }
-}
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