refactor(infra): directory structure (#4615)

packages/frontend/electron/scripts/common.ts

@@ -0,0 +1,57 @@
+import { resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import type { BuildOptions } from 'esbuild';
+
+export const electronDir = fileURLToPath(new URL('..', import.meta.url));
+
+export const rootDir = resolve(electronDir, '..', '..', '..');
+
+export const NODE_MAJOR_VERSION = 18;
+
+// hard-coded for now:
+// fixme(xp): report error if app is not running on DEV_SERVER_URL
+const DEV_SERVER_URL = process.env.DEV_SERVER_URL;
+
+export const mode = (process.env.NODE_ENV =
+  process.env.NODE_ENV || 'development');
+
+export const config = (): BuildOptions => {
+  const define = Object.fromEntries([
+    ['process.env.NODE_ENV', `"${mode}"`],
+    ['process.env.USE_WORKER', '"true"'],
+  ]);
+
+  if (DEV_SERVER_URL) {
+    define['process.env.DEV_SERVER_URL'] = `"${DEV_SERVER_URL}"`;
+  }
+
+  return {
+    entryPoints: [
+      resolve(electronDir, './src/main/index.ts'),
+      resolve(electronDir, './src/preload/index.ts'),
+      resolve(electronDir, './src/helper/index.ts'),
+    ],
+    entryNames: '[dir]',
+    outdir: resolve(electronDir, './dist'),
+    bundle: true,
+    target: `node${NODE_MAJOR_VERSION}`,
+    platform: 'node',
+    external: [
+      'electron',
+      'electron-updater',
+      '@toeverything/plugin-infra',
+      'yjs',
+      'semver',
+      'tinykeys',
+    ],
+    define: define,
+    format: 'cjs',
+    loader: {
+      '.node': 'copy',
+    },
+    assetNames: '[name]',
+    treeShaking: true,
+    sourcemap: 'linked',
+  };
+};