diff options
Diffstat (limited to 'packages/util/src/array.ts')
| -rw-r--r-- | packages/util/src/array.ts | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/packages/util/src/array.ts b/packages/util/src/array.ts index 1fb8ac69e..91b923dee 100644 --- a/packages/util/src/array.ts +++ b/packages/util/src/array.ts @@ -1,3 +1,10 @@ +export function same<T>(a: readonly T[] | undefined, b: readonly T[] | undefined) { + if (a === b) return true + if (!a || !b) return false + if (a.length !== b.length) return false + return a.every((x, i) => x === b[i]) +} + export function findLast<T>( items: readonly T[], predicate: (item: T, index: number, items: readonly T[]) => boolean, |