fix: Support ESM and CommonJS (#185)

* ES module interop

* Move dist

* Fix types

* Fix types

* Fix test

.eslintignore

@@ -1,2 +1,2 @@
-lib/
+dist/
 examples/

.gitignore

@@ -1,3 +1,3 @@
 node_modules/
-lib/
+dist/
 *.tgz

.prettierignore

@@ -1,2 +1,2 @@
-lib/
+dist/
 pnpm-lock.yaml

jest.config.js

@@ -3,6 +3,12 @@ module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
   transform: {
-    '^.+\\.ts?$': ['ts-jest', { isolatedModules: true }],
+    '^.+\\.ts?$': [
+      'ts-jest',
+      {
+        isolatedModules: true,
+        tsconfig: { moduleResolution: 'classic' },
+      },
+    ],
   },
 };

package.json

@@ -2,25 +2,37 @@
   "name": "eslint-plugin-playwright",
   "description": "ESLint plugin for Playwright testing.",
   "version": "0.0.0-semantically-released",
-  "packageManager": "[email protected]",
-  "main": "lib/index.js",
   "repository": "https://github.com/playwright-community/eslint-plugin-playwright",
   "author": "Mark Skelton <[email protected]>",
+  "packageManager": "[email protected]",
   "contributors": [
     "Max Schmitt <[email protected]>"
   ],
   "license": "MIT",
+  "workspaces": [
+    "examples"
+  ],
+  "types": "./dist/index.d.ts",
+  "exports": {
+    "import": {
+      "types": "./dist/index.d.mts",
+      "default": "./dist/index.mjs"
+    },
+    "require": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    }
+  },
   "files": [
-    "lib",
-    "!lib/**/*.spec.js"
+    "dist"
   ],
   "scripts": {
-    "build": "tsc --project tsconfig.build.json",
+    "build": "tsup src/index.ts --format cjs,esm --dts --out-dir dist",
     "lint": "eslint .",
     "format": "prettier --write .",
     "format:check": "prettier --check .",
     "test": "jest",
-    "ts": "tsc"
+    "ts": "tsc --noEmit"
   },
   "devDependencies": {
     "@mskelton/eslint-config": "^8.4.0",
@@ -35,6 +47,7 @@
     "prettier": "^3.0.3",
     "semantic-release": "^22.0.5",
     "ts-jest": "^29.1.1",
+    "tsup": "^8.0.1",
     "typescript": "^5.2.2"
   },
   "peerDependencies": {