fix: add hashbang if not exists in build (#121)

package.json

@@ -47,6 +47,7 @@
 		"@types/stylis": "^4.0.2",
 		"c8": "^7.12.0",
 		"eslint": "^8.26.0",
+		"magic-string": "^0.30.0",
 		"msw": "^0.47.4",
 		"pkgroll": "^1.4.0",
 		"prettier": "^2.7.1",
@@ -55,7 +56,7 @@
 		"vitest": "^0.24.3"
 	},
 	"scripts": {
-		"build": "pkgroll --target=node14",
+		"build": "pkgroll --target=node14 && tsx ./scripts/add-hashbang.ts",
 		"dev": "pkgroll --target=node14 --watch",
 		"cli": "node ./dist/cli.mjs",
 		"test": "vitest",

scripts/add-hashbang.ts

@@ -0,0 +1,19 @@
+import MagicString from 'magic-string';
+import * as fs from 'node:fs';
+import { join } from 'pathe';
+
+// Until pkgroll fixes the shebang bug, this needs to be run postbuild
+
+const addHashbang = (filepath: string) => {
+	const path = join(process.cwd(), filepath);
+	const s = new MagicString(fs.readFileSync(path, 'utf8'));
+
+	// Only add the hashbang if it's not already there
+	if (!s.toString().startsWith('#!')) {
+		s.prepend('#!/usr/bin/env node\n');
+		fs.writeFileSync(path, s.toString());
+	}
+};
+
+addHashbang('dist/cli.mjs');
+addHashbang('dist/cli.js');

tsconfig.json

@@ -1,41 +1,42 @@
 {
-  /* Visit https://aka.ms/tsconfig.json to read more about this file */
-  "include": [
-    "src/**/*.ts",
-    "src/**/*.json",
-    "tests/**/*.ts",
-    "tests/**/*.json",
-    "vitest.config.ts"
-  ],
-  "exclude": [".eslintrc.cjs"],
-  "compilerOptions": {
-    /* Projects */
-    //"incremental": true,
+	/* Visit https://aka.ms/tsconfig.json to read more about this file */
+	"include": [
+		"src/**/*.ts",
+		"src/**/*.json",
+		"scripts/**/*.ts",
+		"tests/**/*.ts",
+		"tests/**/*.json",
+		"vitest.config.ts"
+	],
+	"exclude": [".eslintrc.cjs"],
+	"compilerOptions": {
+		/* Projects */
+		//"incremental": true,
 
-    /* Language and Environment */
-    "target": "esnext",
-    "useDefineForClassFields": true,
+		/* Language and Environment */
+		"target": "esnext",
+		"useDefineForClassFields": true,
 
-    /* Modules */
-    "module": "esnext",
-    "moduleResolution": "node",
-    "resolveJsonModule": true,
+		/* Modules */
+		"module": "esnext",
+		"moduleResolution": "node",
+		"resolveJsonModule": true,
 
-    /* Interop Constraints */
-    "allowSyntheticDefaultImports": true,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
+		/* Interop Constraints */
+		"allowSyntheticDefaultImports": true,
+		"esModuleInterop": true,
+		"forceConsistentCasingInFileNames": true,
 
-    /* Type Checking */
-    "strict": true,
-    "isolatedModules": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true,
+		/* Type Checking */
+		"strict": true,
+		"isolatedModules": true,
+		"noUnusedLocals": true,
+		"noUnusedParameters": true,
+		"noImplicitReturns": true,
+		"noFallthroughCasesInSwitch": true,
 
-    /* Completeness */
-    "skipLibCheck": true // Skip type checking all .d.ts files.
-  },
-  "$schema": "https://json.schemastore.org/tsconfig"
+		/* Completeness */
+		"skipLibCheck": true // Skip type checking all .d.ts files.
+	},
+	"$schema": "https://json.schemastore.org/tsconfig"
 }