improved and exposed the tsup config

.github/workflows/publish.yaml

@@ -17,8 +17,8 @@ jobs:
         uses: actions/setup-node@v4
         with: { node-version: 'latest', registry-url: 'https://registry.npmjs.org' }
 
-      - name: install packages
-        run: pnpm install
+      - name: install / build
+        run: pnpm install && pnpm run build
 
       - name: check
         run: pnpm run check

.gitignore

@@ -2,4 +2,5 @@
 **/node_modules
 **/pnpm-lock.yaml
 
+**/dist
 **/*.tsbuildinfo

README.md

@@ -14,7 +14,7 @@ To configure the package, use the following `package.json` or merge it with your
 
 ```jsonc
 {
-    "name": "projectName",
+  "name": "projectName",
 	"type": "module",
 
 	"scripts": {

configs/tsup.ts

@@ -0,0 +1,50 @@
+import fs from 'node:fs'
+
+import { defineConfig } from 'tsup'
+import type { Options } from 'tsup'
+
+type EsbuildPluginHandler = NonNullable<Options['esbuildPlugins']>[number]['setup']
+export const changeShebang: EsbuildPluginHandler = build =>
+	build.onEnd(result => {
+		const textDecoder = new TextDecoder()
+		const outputFiles = result.outputFiles ?? []
+
+		const getFirstLine = (data: Uint8Array) => {
+			const newLineIndex = data.indexOf(0x0a)
+			if (newLineIndex === -1 || newLineIndex > 200) return ''
+
+			return textDecoder.decode(data.slice(0, newLineIndex))
+		}
+
+		for (const file of outputFiles) {
+			if (file.contents.length === 0) continue
+
+			const firstLine = getFirstLine(file.contents)
+			if (firstLine.startsWith('#!/usr/bin/env -S node') === false) continue
+
+			const fileText = textDecoder.decode(file.contents)
+			const fileWithoutShebang = fileText.slice(firstLine.length + 1, fileText.length)
+
+			const shebang = '#!/usr/bin/env node'
+			const fileWithShebang = shebang + '\n' + fileWithoutShebang
+
+			fs.writeFileSync(file.path, fileWithShebang)
+		}
+	})
+
+export const tsupConfig = (entryPoints: string[]) =>
+	defineConfig({
+		entryPoints,
+		format: ['esm'],
+		esbuildPlugins: [{ name: 'changeShebang', setup: changeShebang }],
+
+		dts: true,
+		shims: true,
+		treeshake: true,
+		splitting: false,
+		minify: true,
+
+		clean: true,
+		silent: true,
+		onSuccess: async () => console.log('\x1b[36m%s\x1b[0m', '⚡ Build success')
+	})

dist/cli/index.d.ts

@@ -0,0 +1 @@
+#!/usr/bin/env -S node --experimental-strip-types

package.json

@@ -2,25 +2,37 @@
 	"type": "module",
 	"name": "@mp281x/shared-config",
 	"scripts": {
+		"dev": "tsup-node",
 		"fix": "./cli/index.ts fix",
-		"check": "./cli/index.ts check"
+		"check": "./cli/index.ts check",
+		"build": "tsup-node"
 	},
 
 	"bin": {
-		"x": "./cli/index.ts",
-		"@mp281x/shared-config": "./cli/index.ts"
+		"x": "./dist/cli/index.js",
+		"@mp281x/shared-config": "./dist/cli/index.js"
 	},
 
 	"exports": {
 		"./biome": "./configs/biome.jsonc",
-		"./tsconfig": "./configs/tsconfig.json"
+		"./tsconfig": "./configs/tsconfig.json",
+
+		"./tsup": {
+			"types": "./dist/configs/tsup.d.ts",
+			"import": "./dist/configs/tsup.ts"
+		}
 	},
 
-	"files": ["./cli/**/*", "./configs/*"],
+	"files": ["./dist/**/*", "./configs/*"],
 
 	"dependencies": {
 		"turbo": "latest",
-		"@biomejs/biome": "latest",
+		"@biomejs/biome": "latest"
+	},
+
+	"devDependencies": {
+		"tsup": "^8",
+
 		"typescript": "^5",
 		"@types/node": "^20"
 	}