shared package (#22626)

1 files changed, 10 insertions, 0 deletions

diff --git a/packages/shared/src/util/array.ts b/packages/shared/src/util/array.ts
new file mode 100644
index 000000000..1fb8ac69e
--- /dev/null
+++ b/packages/shared/src/util/array.ts
@@ -0,0 +1,10 @@
+export function findLast<T>(
+  items: readonly T[],
+  predicate: (item: T, index: number, items: readonly T[]) => boolean,
+): T | undefined {
+  for (let i = items.length - 1; i >= 0; i -= 1) {
+    const item = items[i]
+    if (predicate(item, i, items)) return item
+  }
+  return undefined
+}