Build package with tsdown

Author: porada

.github/dependabot.yaml

@@ -11,3 +11,5 @@ updates:
     schedule:
       interval: 'weekly'
     versioning-strategy: 'increase-if-necessary'
+    ignore:
+      - dependency-name: 'tsdown'

.github/workflows/test.yaml

@@ -28,5 +28,6 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - uses: pnpm/action-setup@v4
       - run: pnpm install
-      - run: pnpm test
       - run: pnpm typecheck
+      - run: pnpm test
+      - run: pnpm build

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 coverage
+dist
 node_modules
 package-lock.json
 pnpm-lock.yaml

package.json

@@ -21,12 +21,12 @@
 		"typescript"
 	],
 	"files": [
-		"src/**/*.ts",
-		"!**/*.test.ts"
+		"dist/**"
 	],
 	"type": "module",
 	"sideEffects": false,
-	"exports": "./src/index.ts",
+	"exports": "./dist/index.mjs",
+	"types": "./dist/index.d.mts",
 	"engines": {
 		"node": ">=24"
 	},
@@ -46,15 +46,18 @@
 		"oxlint": "~1.38.0",
 		"oxlint-tsgolint": "~0.10.1",
 		"prettier": "^3.7.4",
+		"publint": "^0.3.16",
+		"tsdown": "0.18.4",
 		"typescript": "^5.9.3",
 		"vitest": "~4.0.16"
 	},
 	"scripts": {
+		"build": "tsdown --publint",
 		"format": "prettier --write --ignore-unknown .",
 		"format:ci": "prettier --check --ignore-unknown .",
 		"lint": "oxlint --fix --type-aware --type-check --deny-warnings --report-unused-disable-directives",
 		"lint:ci": "oxlint --type-aware --type-check --deny-warnings --report-unused-disable-directives",
-		"prepack": "pnpm run '/^(format:ci|lint:ci|test|typecheck)$/'",
+		"prepack": "pnpm run '/^(format:ci|lint:ci|test|typecheck)$/' && pnpm run build",
 		"test": "vitest run",
 		"typecheck": "tsc --noEmit"
 	}

src/types/index.d.ts

@@ -1,3 +1,4 @@
+import 'prettier';
 import './vendor.d.ts';
 
 declare module 'prettier' {

tsconfig.json

@@ -1,5 +1,5 @@
 {
 	"extends": "@standard-config/tsconfig",
 	"include": ["**/*"],
-	"exclude": ["node_modules"]
+	"exclude": ["dist", "node_modules"]
 }

tsdown.config.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from 'tsdown';
+
+export default defineConfig({
+	entry: './src/index.ts',
+	dts: {
+		sideEffects: true,
+	},
+});