fix: preserve modules (pmndrs#306)

Author: CodyJasonBennett

.github/workflows/main.yml

@@ -28,8 +28,6 @@ jobs:
         run: yarn build
       - name: Check for SSR compat
         run: node dist/index.cjs && node dist/index.js
-      - name: Check tree-shaking
-        run: npx agadoo@latest dist/index.js
       - name: Check NPM config
         run: npx publint@latest dist
   release:

package.json

@@ -36,8 +36,6 @@
   },
   "sideEffects": false,
   "devDependencies": {
-    "@babel/core": "^7.22.20",
-    "@types/babel__core": "^7.20.2",
     "@types/node": "^20.6.3",
     "@types/three": "^0.128.0",
     "copyfiles": "^2.4.1",

vite.config.ts

@@ -1,5 +1,4 @@
 import * as path from 'node:path'
-import * as babel from '@babel/core'
 import { defineConfig } from 'vite'
 
 export default defineConfig({
@@ -14,33 +13,9 @@ export default defineConfig({
     },
     rollupOptions: {
       external: (id: string) => !id.startsWith('.') && !path.isAbsolute(id),
-    },
-  },
-  plugins: [
-    {
-      name: 'vite-tree-shake',
-      renderChunk: {
-        order: 'post',
-        async handler(code) {
-          function annotate(path: babel.NodePath): void {
-            if (!path.getFunctionParent()) {
-              path.addComment('leading', '@__PURE__')
-            }
-          }
-
-          return babel.transform(code, {
-            sourceMaps: true,
-            plugins: [
-              {
-                visitor: {
-                  CallExpression: annotate,
-                  NewExpression: annotate,
-                },
-              },
-            ],
-          }) as any
-        },
+      output: {
+        preserveModules: true,
       },
     },
-  ],
+  },
 })