chore: use .mjs import

Author: n1ru4l

package.json

@@ -9,9 +9,9 @@
     "ssr"
   ],
   "main": "./lib/index.js",
-  "module": "./lib/es-relay-hooks.js",
+  "module": "./lib/es-relay-hooks.mjs",
   "exports": {
-    "import": "./lib/es-relay-hooks.js",
+    "import": "./lib/es-relay-hooks.mjs",
     "require": "./lib/index.js"
   },
   "license": "MIT",

rollup.config.js

@@ -24,7 +24,7 @@ function createConfigInternal({ format, production }) {
     return {
         input: 'src/index.ts',
         output: {
-            file: 'lib/' + format + '-relay-hooks' + (production ? '.min' : '') + '.js',
+            file: 'lib/' + format + '-relay-hooks' + (production ? '.min' : '') + (format === "es" ? ".mjs" : '.js'),
             format,
             name: 'relay-hooks',
             indent: false,