Add support for building as an ES lib

Author: saulshanabrook

package.json

@@ -15,6 +15,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.9.0",
+    "@types/node": "22.3.0",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^4.3.1",

tsconfig.node.json

@@ -1,5 +1,7 @@
 {
   "compilerOptions": {
+    "types": ["node"],
+
     "target": "ES2022",
     "lib": ["ES2023"],
     "module": "ESNext",

vite.config.ts

@@ -1,7 +1,19 @@
+import { resolve } from 'path'
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [react()],
+  build: {
+    lib: {
+      // Could also be a dictionary or array of multiple entry points
+      entry: resolve(__dirname, 'src/App.tsx'),
+      formats: ['es', ],
+    },
+    rollupOptions: {
+      external: ['react', 'react/jsx-runtime', 'react-dom'],
+    },
+  },
+
 })

yarn.lock

@@ -523,6 +523,13 @@
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-1.0.5.tgz#a6ce3e556e00fd9895dd872dd172ad0d4bd687f4"
   integrity sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==
 
+"@types/[email protected]":
+  version "22.3.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-22.3.0.tgz#7f8da0e2b72c27c4f9bd3cb5ef805209d04d4f9e"
+  integrity sha512-nrWpWVaDZuaVc5X84xJ0vNrLvomM205oQyLsRt7OHNZbSHslcWsvgFR7O7hire2ZonjLrWBbedmotmIlJDVd6g==
+  dependencies:
+    undici-types "~6.18.2"
+
 "@types/prop-types@*":
   version "15.7.12"
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.12.tgz#12bb1e2be27293c1406acb6af1c3f3a1481d98c6"
@@ -1521,6 +1528,11 @@ typescript@^5.5.3:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.5.4.tgz#d9852d6c82bad2d2eda4fd74a5762a8f5909e9ba"
   integrity sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==
 
+undici-types@~6.18.2:
+  version "6.18.2"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-6.18.2.tgz#8b678cf939d4fc9ec56be3c68ed69c619dee28b0"
+  integrity sha512-5ruQbENj95yDYJNS3TvcaxPMshV7aizdv/hWYjGIKoANWKjhWNBsr2YEuYZKodQulB1b8l7ILOuDQep3afowQQ==
+
 update-browserslist-db@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.1.0.tgz#7ca61c0d8650766090728046e416a8cde682859e"