---
title: "partialDeepEqual"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/assert/src/lib/assert.ts#L375"
---

# partialDeepEqual

## Summary

Asserts that `actual` contains the partial deep structure in `expected`.

## Signature

```ts
function partialDeepEqual(actual: unknown, expected: unknown, message: AssertionMessage): void

```

## Example

```ts
assert.partialDeepEqual(result, { id: 1 })

```

## Parameters

### `actual`

The value produced by the code under test.

### `expected`

The partial structure that must be present in `actual`.

### `message`

Optional failure message.