Add a command to start the Electron app

src/cli/app.ts

@@ -0,0 +1,31 @@
+import { createRequire } from 'module';
+import { execFileSync } from 'child_process';
+import createDebug from 'debug';
+import type { Arguments as ParentArguments } from '../cli.js';
+import { ArgumentsCamelCase, Argv, YargsArguments } from '../util.js';
+
+const debug = createDebug('cli:app');
+
+export const command = 'app';
+export const desc = 'Start the Electron app';
+
+export function builder(yargs: Argv<ParentArguments>) {
+    return yargs;
+}
+
+type Arguments = YargsArguments<ReturnType<typeof builder>>;
+
+export async function handler(argv: ArgumentsCamelCase<Arguments>) {
+    const require = createRequire(import.meta.url);
+    const electron = require('electron');
+
+    if (typeof electron !== 'string') {
+        throw new Error('Already running in Electron??');
+    }
+
+    execFileSync(electron, [
+        'dist/app/main/app-entry.cjs',
+    ], {
+        stdio: 'inherit',
+    });
+}

src/cli/index.ts

@@ -3,3 +3,4 @@ export * as nso from './nso.js';
 export * as splatnet2 from './splatnet2.js';
 export * as pctl from './pctl.js';
 export * as androidZncaApiServerFrida from './android-znca-api-server-frida.js';
+export * as app from './app.js';