Add additional build flavours for Vencord Desktop (#765)

src/main/patcher.ts

@@ -0,0 +1,120 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * 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/>.
+*/
+
+import { onceDefined } from "@utils/onceDefined";
+import electron, { app, BrowserWindowConstructorOptions, Menu } from "electron";
+import { dirname, join } from "path";
+
+import { getSettings, initIpc } from "./ipcMain";
+import { IS_VANILLA } from "./utils/constants";
+
+console.log("[Vencord] Starting up...");
+
+// Our injector file at app/index.js
+const injectorPath = require.main!.filename;
+
+// special discord_arch_electron injection method
+const asarName = require.main!.path.endsWith("app.asar") ? "_app.asar" : "app.asar";
+
+// The original app.asar
+const asarPath = join(dirname(injectorPath), "..", asarName);
+
+const discordPkg = require(join(asarPath, "package.json"));
+require.main!.filename = join(asarPath, discordPkg.main);
+
+// @ts-ignore Untyped method? Dies from cringe
+app.setAppPath(asarPath);
+
+if (!IS_VANILLA) {
+    const settings = getSettings();
+
+    // Repatch after host updates on Windows
+    if (process.platform === "win32") {
+        require("./patchWin32Updater");
+
+        if (settings.winCtrlQ) {
+            const originalBuild = Menu.buildFromTemplate;
+            Menu.buildFromTemplate = function (template) {
+                if (template[0]?.label === "&File") {
+                    const { submenu } = template[0];
+                    if (Array.isArray(submenu)) {
+                        submenu.push({
+                            label: "Quit (Hidden)",
+                            visible: false,
+                            acceleratorWorksWhenHidden: true,
+                            accelerator: "Control+Q",
+                            click: () => app.quit()
+                        });
+                    }
+                }
+                return originalBuild.call(this, template);
+            };
+        }
+    }
+
+    class BrowserWindow extends electron.BrowserWindow {
+        constructor(options: BrowserWindowConstructorOptions) {
+            if (options?.webPreferences?.preload && options.title) {
+                const original = options.webPreferences.preload;
+                options.webPreferences.preload = join(__dirname, "preload.js");
+                options.webPreferences.sandbox = false;
+                if (settings.frameless) {
+                    options.frame = false;
+                } else if (process.platform === "win32" && settings.winNativeTitleBar) {
+                    delete options.frame;
+                }
+
+                // This causes electron to freeze / white screen for some people
+                if ((settings as any).transparentUNSAFE_USE_AT_OWN_RISK) {
+                    options.transparent = true;
+                    options.backgroundColor = "#00000000";
+                }
+
+                process.env.DISCORD_PRELOAD = original;
+
+                super(options);
+                initIpc(this);
+            } else super(options);
+        }
+    }
+    Object.assign(BrowserWindow, electron.BrowserWindow);
+    // esbuild may rename our BrowserWindow, which leads to it being excluded
+    // from getFocusedWindow(), so this is necessary
+    // https://github.com/discord/electron/blob/13-x-y/lib/browser/api/browser-window.ts#L60-L62
+    Object.defineProperty(BrowserWindow, "name", { value: "BrowserWindow", configurable: true });
+
+    // Replace electrons exports with our custom BrowserWindow
+    const electronPath = require.resolve("electron");
+    delete require.cache[electronPath]!.exports;
+    require.cache[electronPath]!.exports = {
+        ...electron,
+        BrowserWindow
+    };
+
+    // Patch appSettings to force enable devtools
+    onceDefined(global, "appSettings", s =>
+        s.set("DANGEROUS_ENABLE_DEVTOOLS_ONLY_ENABLE_IF_YOU_KNOW_WHAT_YOURE_DOING", true)
+    );
+
+    process.env.DATA_DIR = join(app.getPath("userData"), "..", "Vencord");
+} else {
+    console.log("[Vencord] Running in vanilla mode. Not loading Vencord");
+}
+
+console.log("[Vencord] Loading original Discord app.asar");
+require(require.main!.filename);