Use mjs for es modules

Author: kyle-ssg

lib/.gitignore

@@ -1,3 +1,5 @@
 *.js
 *.ts
+*.mjs
+*.mjs.map
 *.tsx

lib/flagsmith/package.json

@@ -1,29 +1,29 @@
 {
   "name": "flagsmith",
-  "version": "8.1.0",
+  "version": "9.0.0",
   "description": "Feature flagging to support continuous development",
   "main": "./index.js",
-  "module": "./index.es.js",
+  "module": "./index.mjs",
   "browser": "./index.js",
   "types": "./index.d.ts",
   "exports": {
     ".": {
-      "import": "./index.es.js",
+      "import": "./index.mjs",
       "require": "./index.js",
       "browser": "./index.js"
     },
     "./isomorphic": {
-      "import": "./isomorphic.es.js",
+      "import": "./isomorphic.mjs",
       "require": "./isomorphic.js",
       "browser": "./isomorphic.js"
     },
     "./react": {
-      "import": "./react.es.js",
+      "import": "./react.mjs",
       "require": "./react.js",
       "browser": "./react.js"
     },
     "./next-middleware": {
-      "import": "./next-middleware.es.js",
+      "import": "./next-middleware.mjs",
       "require": "./next-middleware.js",
       "browser": "./next-middleware.js"
     }

lib/react-native-flagsmith/package.json

@@ -1,8 +1,8 @@
 {
   "name": "react-native-flagsmith",
-  "version": "8.1.0",
+  "version": "9.0.0",
   "description": "Feature flagging to support continuous development",
-  "main": "./index.es.js",
+  "main": "./index.js",
   "repository": {
     "type": "git",
     "url": "https://github.com/Flagsmith/flagsmith-js-client/"

rollup.config.js

@@ -29,7 +29,7 @@ const generateConfig = (input, outputDir, name, exclude = []) => ({
     input,
     output: [
         { file: path.join(outputDir, `${name}.js`), format: "umd", name, sourcemap: true,sourcemapPathTransform },
-        { file: path.join(outputDir, `${name}.es.js`), format: "es", sourcemap: true, sourcemapPathTransform },
+        { file: path.join(outputDir, `${name}.mjs`), format: "es", sourcemap: true, sourcemapPathTransform },
     ],
     plugins: createPlugins(exclude),
     external: externalDependencies,