chore: migrate vite build to tsdown

internal/vite-config/build.config.ts

@@ -1,7 +0,0 @@
-import { defineBuildConfig } from 'unbuild';
-
-export default defineBuildConfig({
-  clean: true,
-  declaration: true,
-  entries: ['src/index'],
-});

internal/vite-config/package.json

@@ -12,7 +12,8 @@
   "license": "MIT",
   "type": "module",
   "scripts": {
-    "stub": "pnpm unbuild --stub"
+    "build": "pnpm exec tsdown",
+    "stub": "pnpm exec tsdown"
   },
   "files": [
     "dist"

internal/vite-config/tsdown.config.ts

@@ -0,0 +1,40 @@
+import { cp, mkdir } from 'node:fs/promises';
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import { defineConfig } from 'tsdown';
+
+const rootDir = dirname(fileURLToPath(import.meta.url));
+const loadingAssets = ['default-loading-antd.html', 'default-loading.html'];
+
+export default defineConfig({
+  clean: true,
+  deps: {
+    skipNodeModulesBundle: true,
+  },
+  dts: {
+    resolver: 'tsc',
+  },
+  entry: ['src/index.ts'],
+  format: ['esm'],
+  hooks: {
+    'build:done': async (context) => {
+      const outDir = context.options.outDir;
+      if (!outDir) {
+        return;
+      }
+
+      await mkdir(outDir, { recursive: true });
+
+      for (const file of loadingAssets) {
+        await cp(
+          join(rootDir, 'src/plugins/inject-app-loading', file),
+          join(outDir, file),
+        );
+      }
+    },
+  },
+  outExtensions: () => ({
+    dts: '.d.ts',
+  }),
+});