fix: emit mjs for esm

Author: DamianOsipiuk

packages/query-async-storage-persister/package.json

@@ -10,13 +10,13 @@
     "type": "github",
     "url": "https://github.com/sponsors/tannerlinsley"
   },
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "main": "build/cjs/index.js",
   "browser": "build/umd/index.production.js",
   "types": "build/types/packages/query-async-storage-persister/src/index.d.ts",
   "exports": {
     ".": {
-      "import": "./build/esm/index.js",
+      "import": "./build/esm/index.mjs",
       "default": "./build/cjs/index.js"
     },
     "./package.json": "./package.json"

packages/query-broadcast-client-experimental/package.json

@@ -10,13 +10,13 @@
     "type": "github",
     "url": "https://github.com/sponsors/tannerlinsley"
   },
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "main": "build/cjs/packages/query-broadcast-client-experimental/src/index.js",
   "browser": "build/umd/index.production.js",
   "types": "build/types/query-broadcast-client-experimental/src/index.d.ts",
   "exports": {
     ".": {
-      "import": "./build/esm/index.js",
+      "import": "./build/esm/index.mjs",
       "default": "./build/cjs/packages/query-broadcast-client-experimental/src/index.js"
     },
     "./package.json": "./package.json"

packages/query-core/package.json

@@ -10,13 +10,13 @@
     "type": "github",
     "url": "https://github.com/sponsors/tannerlinsley"
   },
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "main": "build/cjs/index.js",
   "browser": "build/umd/index.production.js",
   "types": "build/types/packages/query-core/src/index.d.ts",
   "exports": {
     ".": {
-      "import": "./build/esm/index.js",
+      "import": "./build/esm/index.mjs",
       "default": "./build/cjs/index.js"
     },
     "./package.json": "./package.json"

packages/query-sync-storage-persister/package.json

@@ -10,13 +10,13 @@
     "type": "github",
     "url": "https://github.com/sponsors/tannerlinsley"
   },
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "main": "build/cjs/index.js",
   "browser": "build/umd/index.production.js",
   "types": "build/types/packages/query-sync-storage-persister/src/index.d.ts",
   "exports": {
     ".": {
-      "import": "./build/esm/index.js",
+      "import": "./build/esm/index.mjs",
       "default": "./build/cjs/index.js"
     },
     "./package.json": "./package.json"

packages/react-query-devtools/package.json

@@ -10,7 +10,7 @@
     "type": "github",
     "url": "https://github.com/sponsors/tannerlinsley"
   },
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "main": "build/cjs/packages/react-query-devtools/src/index.js",
   "browser": "build/umd/index.production.js",
   "types": "build/types/react-query-devtools/src/index.d.ts",
@@ -21,11 +21,11 @@
   "exports": {
     "development": {
       "require": "./build/cjs/packages/react-query-devtools/src/index.js",
-      "default": "./build/esm/index.js"
+      "default": "./build/esm/index.mjs"
     },
     "default": {
       "require": "./build/cjs/packages/react-query-devtools/src/noop.js",
-      "default": "./build/esm/noop.js"
+      "default": "./build/esm/noop.mjs"
     }
   },
   "scripts": {

packages/react-query-persist-client/package.json

@@ -10,13 +10,13 @@
     "type": "github",
     "url": "https://github.com/sponsors/tannerlinsley"
   },
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "main": "build/cjs/react-query-persist-client/src/index.js",
   "browser": "build/umd/index.production.js",
   "types": "build/types/packages/react-query-persist-client/src/index.d.ts",
   "exports": {
     ".": {
-      "import": "./build/esm/index.js",
+      "import": "./build/esm/index.mjs",
       "default": "./build/cjs/react-query-persist-client/src/index.js"
     },
     "./package.json": "./package.json"

packages/react-query/package.json

@@ -10,13 +10,13 @@
     "type": "github",
     "url": "https://github.com/sponsors/tannerlinsley"
   },
-  "module": "build/esm/index.js",
+  "module": "build/esm/index.mjs",
   "main": "build/cjs/react-query/src/index.js",
   "browser": "build/umd/index.production.js",
   "types": "build/types/packages/react-query/src/index.d.ts",
   "exports": {
     ".": {
-      "import": "./build/esm/index.js",
+      "import": "./build/esm/index.mjs",
       "default": "./build/cjs/react-query/src/index.js"
     },
     "./package.json": "./package.json"

rollup.config.ts

@@ -145,6 +145,7 @@ function esm({ input, packageDir, external, banner }: Options): RollupOptions {
     input,
     output: {
       format: 'esm',
+      entryFileNames: "[name].mjs",
       sourcemap: true,
       dir: `${packageDir}/build/esm`,
       banner,