feat!: drop CJS, now it's ESM-only

Author: antfu

build.config.ts

@@ -11,12 +11,8 @@ export default defineBuildConfig({
     name: basename(i).slice(0, -3),
   })),
   clean: true,
-  declaration: true,
+  declaration: 'node16',
   rollup: {
-    emitCJS: true,
     inlineDependencies: true,
-    commonjs: {
-      exclude: ['**/*.d.ts'],
-    },
   },
 })

package.json

@@ -15,14 +15,11 @@
     "url": "https://github.com/antfu-collective/ni/issues"
   },
   "exports": {
-    ".": {
-      "import": "./dist/index.mjs",
-      "require": "./dist/index.cjs"
-    }
+    ".": "./dist/index.mjs"
   },
-  "main": "./dist/index.cjs",
+  "main": "./dist/index.mjs",
   "module": "./dist/index.mjs",
-  "types": "./dist/index.d.ts",
+  "types": "./dist/index.d.mts",
   "bin": {
     "ni": "bin/ni.mjs",
     "nci": "bin/nci.mjs",