fix(utils): flatten type 개선

modern-agile-team · Jul 5, 2024 · aed8a90 · aed8a90
1 parent 03dbe70
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diff --git a/docs/docs/utils/array/flatten.md b/docs/docs/utils/array/flatten.md
@@ -23,7 +23,7 @@ type FlatArray<Arr, Depth extends number> = {
 }[Depth extends -1 ? "done" : "recur"];
 ```
 ```ts title="typescript"
-const flatten: <T, D extends number>(
+const flatten: <T, D extends number = 1>(
   arr: T[] | readonly T[],
   depth?: D // default: 1
 ) => FlatArray<T[], D>[];

diff --git a/packages/utils/src/array/flatten/index.ts b/packages/utils/src/array/flatten/index.ts
@@ -1,4 +1,4 @@
-export const flatten = <T, D extends number>(
+export const flatten = <T, D extends number = 1>(
   arr: T[] | readonly T[],
   depth = 1 as D
 ) => {