Drop array.prototype.flat

Author: SukkaW

package.json

@@ -100,7 +100,6 @@
     "eslint": "^2 || ^3 || ^4 || ^5 || ^6 || ^7.2.0 || ^8"
   },
   "dependencies": {
-    "array.prototype.flat": "^1.3.1",
     "debug": "^3.2.7",
     "doctrine": "^2.1.0",
     "eslint-import-resolver-node": "^0.3.7",

src/rules/group-exports.js

@@ -1,7 +1,7 @@
 import docsUrl from '../docsUrl';
-import flat from 'array.prototype.flat';
 
 const { values } = Object;
+const flat = Function.bind.bind(Function.prototype.call)(Array.prototype.flat);
 
 const meta = {
   type: 'suggestion',