fix(compat/forEach): remove redundant array check in key resolution

src/compat/array/forEach.ts

@@ -18,7 +18,7 @@
  * forEach([1, 2], value => console.log(value));
  * // => Logs `1` then `2`.
  */
 export function forEach<T>(collection: T[], iteratee?: ArrayIterator<T, any>): T[];
 
 /**
  * Iterates over characters of string and invokes iteratee for each character.
@@ -31,7 +31,7 @@
  * forEach('abc', char => console.log(char));
  * // => Logs 'a', 'b', then 'c'.
  */
 export function forEach(collection: string, iteratee?: StringIterator<any>): string;
 
 /**
  * Iterates over elements of collection and invokes iteratee for each element.
@@ -45,7 +45,7 @@
  * forEach({ 0: 'a', 1: 'b', length: 2 }, value => console.log(value));
  * // => Logs 'a' then 'b'.
  */
 export function forEach<T>(collection: ArrayLike<T>, iteratee?: ListIterator<T, any>): ArrayLike<T>;
 
 /**
  * Iterates over own enumerable string keyed properties of an object and invokes iteratee for each property.
@@ -59,7 +59,7 @@
  * forEach({ a: 1, b: 2 }, (value, key) => console.log(key));
  * // => Logs 'a' then 'b'.
  */
 export function forEach<T extends object>(collection: T, iteratee?: ObjectIterator<T, any>): T;
 
 /**
  * Iterates over elements of array and invokes iteratee for each element.
@@ -75,7 +75,7 @@
  */
 export function forEach<T, U extends T[] | null | undefined>(
   collection: U & (T[] | null | undefined),
   iteratee?: ArrayIterator<T, any>
 ): U;
 
 /**
@@ -90,7 +90,7 @@
  * forEach('abc', char => console.log(char));
  * // => Logs 'a', 'b', then 'c'.
  */
 export function forEach<T extends string | null | undefined>(collection: T, iteratee?: StringIterator<any>): T;
 
 /**
  * Iterates over elements of collection and invokes iteratee for each element.
@@ -106,7 +106,7 @@
  */
 export function forEach<T, L extends ArrayLike<T> | null | undefined>(
   collection: L & (ArrayLike<T> | null | undefined),
   iteratee?: ListIterator<T, any>
 ): L;
 
 /**
@@ -123,7 +123,7 @@
  */
 export function forEach<T extends object>(
   collection: T | null | undefined,
   iteratee?: ObjectIterator<T, any>
 ): T | null | undefined;
 
 /**
@@ -145,15 +145,14 @@
  * // 2 'b'
  */
 export function forEach<T>(
   collection: ArrayLike<T> | Record<any, any> | string | null | undefined,
   callback: (item: any, index: any, arr: any) => unknown = identity
 ): ArrayLike<T> | Record<any, any> | string | null | undefined {
   if (!collection) {
     return collection;
   }
 
-  const keys: PropertyKey[] =
-    isArrayLike(collection) || Array.isArray(collection) ? range(0, collection.length) : Object.keys(collection);
+  const keys: PropertyKey[] = isArrayLike(collection) ? range(0, collection.length) : Object.keys(collection);
 
   for (let i = 0; i < keys.length; i++) {
     const key = keys[i];