fix: ship esm & cjs correctly

Author: dukeluo

package.json

@@ -28,8 +28,14 @@
   },
   "homepage": "https://github.com/DukeLuo/eslint-plugin-check-file",
   "type": "module",
-  "main": "dist/index.js",
-  "module": "dist/index.es.js",
+  "main": "dist/index.cjs",
+  "module": "dist/index.js",
+  "exports": {
+    ".": {
+      "require": "./dist/index.cjs",
+      "import": "./dist/index.js"
+    }
+  },
   "files": [
     "dist"
   ],

rollup.config.js

@@ -10,13 +10,13 @@ export default {
   output: [
     {
       format: 'cjs',
-      file: 'dist/index.js',
+      file: 'dist/index.cjs',
       banner:
         '/*! @author Huan Luo <dukeluo@outlook.com> (https://shaiwang.life) */',
     },
     {
       format: 'es',
-      file: 'dist/index.es.js',
+      file: 'dist/index.js',
       banner:
         '/*! @author Huan Luo <dukeluo@outlook.com> (https://shaiwang.life) */',
     },