chore: fix exports definition to support both ESM and CJS

Author: duniul

.changeset/curly-beers-jump.md

@@ -0,0 +1,5 @@
+---
+'better-ajv-errors': patch
+---
+
+Fix exports definition for ESM and CJS types.

build.js

@@ -9,16 +9,16 @@ const { copy } = require('esbuild-plugin-copy');
 
 const isEsmBuild = process.argv[2] !== '--cjs';
 
-const copyTypingsPlugin = copy({
-  assets: [{ from: ['./typings.d.ts'], to: ['./typings.d.ts'] }],
-});
-
 const config = {
   cjs: {
     format: 'cjs',
     platform: 'node',
     outdir: './lib/cjs',
-    plugins: [copyTypingsPlugin],
+    plugins: [
+      copy({
+        assets: [{ from: ['./typings.d.ts'], to: ['./typings.d.ts'] }],
+      }),
+    ],
   },
   esm: {
     format: 'esm',
@@ -39,7 +39,9 @@ const config = {
           });
         },
       },
-      copyTypingsPlugin,
+      copy({
+        assets: [{ from: ['./typings.d.ts'], to: ['./typings.d.mts'] }],
+      }),
     ],
   },
 };

package.json

@@ -6,8 +6,14 @@
   "main": "./lib/cjs/index.js",
   "exports": {
     ".": {
-      "require": "./lib/cjs/index.js",
+      "import": {
+        "types": "./lib/esm/typings.d.mts",
         "default": "./lib/esm/index.mjs"
+      },
+      "require": {
+        "types": "./lib/cjs/typings.d.ts",
+        "default": "./lib/cjs/index.js"
+      }
     }
   },
   "module": "./lib/esm/index.mjs",
@@ -26,10 +32,9 @@
     "Tong Li"
   ],
   "license": "Apache-2.0",
-  "types": "./typings.d.ts",
+  "types": "./lib/cjs/typings.d.ts",
   "files": [
-    "lib",
-    "typings.d.ts"
+    "lib"
   ],
   "scripts": {
     "prebuild": "rm -rf lib",