---
url: /api/@warp-drive/legacy/compat/extensions/types/WithArrayLike.md
---

 

# &#x20;WithArrayLike\<T>

```ts
type WithArrayLike<T> = T extends infer U[] ? U & Omit<typeof EmberArrayLikeFeatures, "firstObject" | "lastObject"> & {
  firstObject: T | undefined;
  lastObject: T | undefined;
} : T[] & Omit<typeof EmberArrayLikeFeatures, "firstObject" | "lastObject"> & {
  firstObject: T | undefined;
  lastObject: T | undefined;
};
```

Defined in: [warp-drive-packages/legacy/src/compat/extensions.ts:387](https://github.com/warp-drive-data/warp-drive/blob/331a6acae2c14f865cc913111e8f3f2d4f6d7e44/warp-drive-packages/legacy/src/compat/extensions.ts#L387)

Adds Ember's classic array-like API (as registered by [EmberArrayLikeExtension](../variables/EmberArrayLikeExtension.md))
to the type of a reactive array resource.

## Type Parameters

### T

`T`