fix: fix lint

toss · Jul 9, 2024 · e57c766 · e57c766
1 parent 96dc002
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diff --git a/docs/ko/reference/array/flatten.md b/docs/ko/reference/array/flatten.md
@@ -2,12 +2,12 @@
 
 인자로 넣은 중첩 배열을 원하는 깊이까지 평탄화해요.
 
-JS에서 기본적으로 제공하는 [Array.prototype.flat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat)와 동일한 동작과 타입을 반환해요.
+JavaScript에서 기본적으로 제공하는 [Array.prototype.flat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat)과 동일한 동작과 반환 타입을 가져요. 하지만 성능은 더 우수합니다.
 
 ## 인터페이스
 
 ```typescript
-function flatten<T, D extends number = 1>(arr: T[], depth?: D): FlatArray<T[], D>[];
+function flatten<T, D extends number = 1>(arr: T[], depth?: D): Array<FlatArray<T[], D>>;
 ```
 
 ### 파라미터
@@ -17,7 +17,7 @@ function flatten<T, D extends number = 1>(arr: T[], depth?: D): FlatArray<T[], D
 
 ### 반환 값
 
-(`FlatArray<T[], D>[]`) 원하는 깊이로 평탄화 된 새로운 배열이에요.
+(`Array<FlatArray<T[], D>>`) 원하는 깊이로 평탄화 된 새로운 배열이에요.
 
 ## 예시
 

diff --git a/docs/reference/array/flatten.md b/docs/reference/array/flatten.md
@@ -2,12 +2,12 @@
 
 Flattens the nested array given as an argument to the desired depth.
 
-It behaves the same as and returns the same type as the built-in [Array.prototype.flat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat) provided by JavaScript, but with superior performance.
+It works the same as [Array.prototype.flat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat) provided by default in JavaScript and returns the same type. However, its performance is superior.
 
 ## Signature
 
 ```typescript
-function flatten<T, D extends number = 1>(arr: T[], depth?: D): FlatArray<T[], D>[];
+function flatten<T, D extends number = 1>(arr: T[], depth?: D): Array<FlatArray<T[], D>>;
 ```
 
 ### Parameters
@@ -17,7 +17,7 @@ function flatten<T, D extends number = 1>(arr: T[], depth?: D): FlatArray<T[], D
 
 ### Returns
 
-(`FlatArray<T[], D>[]`) A new array that has been flattened.
+(`Array<FlatArray<T[], D>>`) A new array that has been flattened.
 
 ## Examples
 

diff --git a/src/array/flatten.ts b/src/array/flatten.ts
@@ -4,8 +4,8 @@
  * @template T - The type of elements within the array.
  * @template D - The depth to which the array should be flattened.
  * @param {T[]} arr - The array to flatten.
- * @param {D} [depth=1] - The depth level specifying how deep a nested array structure should be flattened. Defaults to 1.
- * @returns {FlatArray<T[], D>[]} A new array that has been flattened.
+ * @param {D} depth - The depth level specifying how deep a nested array structure should be flattened. Defaults to 1.
+ * @returns {Array<FlatArray<T[], D>>} A new array that has been flattened.
  *
  * @example
  * const arr = flatten([1, [2, 3], [4, [5, 6]]], 1);
@@ -14,8 +14,8 @@
  * const arr = flatten([1, [2, 3], [4, [5, 6]]], 2);
  * // Returns: [1, 2, 3, 4, 5, 6]
  */
-export function flatten<T, D extends number = 1>(arr: readonly T[], depth = 1 as D): FlatArray<T[], D>[] {
-  const result: FlatArray<T[], D>[] = [];
+export function flatten<T, D extends number = 1>(arr: readonly T[], depth = 1 as D): Array<FlatArray<T[], D>> {
+  const result: Array<FlatArray<T[], D>> = [];
   const flooredDepth = Math.floor(depth);
 
   const recursive = (arr: readonly T[], currentDepth: number) => {