Add linter

eslint.config.mjs

@@ -0,0 +1,11 @@
+import globals from 'globals'
+import pluginJs from '@eslint/js'
+import tseslint from 'typescript-eslint'
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+	{ files: ['**/*.{js,mjs,cjs,ts}'] },
+	{ languageOptions: { globals: globals.browser } },
+	pluginJs.configs.recommended,
+	...tseslint.configs.recommended,
+]

package.json

@@ -8,13 +8,19 @@
 		"start": "wrangler dev",
 		"test": "vitest",
 		"cf-typegen": "wrangler types",
-		"format": "prettier --write ."
+		"format": "prettier --write .",
+		"lint": "eslint .",
+		"ts-check": "tsc --noEmit"
 	},
 	"devDependencies": {
 		"@cloudflare/vitest-pool-workers": "^0.5.2",
 		"@cloudflare/workers-types": "^4.20241022.0",
+		"@eslint/js": "^9.14.0",
+		"eslint": "^9.14.0",
+		"globals": "^15.12.0",
 		"prettier": "3.3.3",
 		"typescript": "^5.5.2",
+		"typescript-eslint": "^8.13.0",
 		"vitest": "2.0.5",
 		"wrangler": "^3.60.3"
 	},