Allow putting helpers in individual files (#13190)

* Allow putting helpers in individual files

* Lint

* Also move `objectSpread2` (to show an helper with deps)

* Update fixture and package.json

* fixture

packages/babel-runtime-corejs3/package.json

@@ -17,15 +17,6 @@
     "regenerator-runtime": "^0.13.4"
   },
   "exports": {
-    "./helpers/typeof": [
-      {
-        "node": "./helpers/typeof.js",
-        "import": "./helpers/esm/typeof.js",
-        "default": "./helpers/typeof.js"
-      },
-      "./helpers/typeof.js"
-    ],
-    "./helpers/esm/typeof": "./helpers/esm/typeof.js",
     "./helpers/jsx": [
       {
         "node": "./helpers/jsx.js",
@@ -35,6 +26,24 @@
       "./helpers/jsx.js"
     ],
     "./helpers/esm/jsx": "./helpers/esm/jsx.js",
+    "./helpers/objectSpread2": [
+      {
+        "node": "./helpers/objectSpread2.js",
+        "import": "./helpers/esm/objectSpread2.js",
+        "default": "./helpers/objectSpread2.js"
+      },
+      "./helpers/objectSpread2.js"
+    ],
+    "./helpers/esm/objectSpread2": "./helpers/esm/objectSpread2.js",
+    "./helpers/typeof": [
+      {
+        "node": "./helpers/typeof.js",
+        "import": "./helpers/esm/typeof.js",
+        "default": "./helpers/typeof.js"
+      },
+      "./helpers/typeof.js"
+    ],
+    "./helpers/esm/typeof": "./helpers/esm/typeof.js",
     "./helpers/asyncIterator": [
       {
         "node": "./helpers/asyncIterator.js",
@@ -161,15 +170,6 @@
       "./helpers/objectSpread.js"
     ],
     "./helpers/esm/objectSpread": "./helpers/esm/objectSpread.js",
-    "./helpers/objectSpread2": [
-      {
-        "node": "./helpers/objectSpread2.js",
-        "import": "./helpers/esm/objectSpread2.js",
-        "default": "./helpers/objectSpread2.js"
-      },
-      "./helpers/objectSpread2.js"
-    ],
-    "./helpers/esm/objectSpread2": "./helpers/esm/objectSpread2.js",
     "./helpers/inherits": [
       {
         "node": "./helpers/inherits.js",