fix: add esm exports to package.json and change esm bundle extension to .mjs to allow node.js to properly import esm version of package. (#989)

Author: zewish

packages/component/.size-snapshot.json

@@ -4,7 +4,7 @@
     "minified": 7394,
     "gzipped": 2621
   },
-  "dist/loadable.esm.js": {
+  "dist/loadable.esm.mjs": {
     "bundled": 16434,
     "minified": 7090,
     "gzipped": 2552,

packages/component/package.json

@@ -2,8 +2,15 @@
   "name": "@loadable/component",
   "description": "React code splitting made easy.",
   "version": "5.15.3",
-  "main": "dist/loadable.cjs.js",
-  "module": "dist/loadable.esm.js",
+  "main": "./dist/loadable.cjs.js",
+  "module": "./dist/loadable.esm.mjs",
+  "exports": {
+    ".": {
+      "require": "./dist/loadable.cjs.js",
+      "import": "./dist/loadable.esm.mjs",
+      "default": "./dist/loadable.cjs.js"
+    }
+  },
   "repository": "git@github.com:gregberge/loadable-components.git",
   "author": "Greg Bergé <berge.greg@gmail.com>",
   "publishConfig": {

packages/server/__fixtures__/stats.json

@@ -1,7 +1,7 @@
 {
   "errors": [],
   "warnings": [],
-  "hash": "84e08a1809b7b09283e2",
+  "hash": "6cacb38ddc45b9bbd140",
   "publicPath": "/dist/node/",
   "outputPath": "../../examples/server-side-rendering/public/dist/node",
   "assetsByChunkName": {