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Vitest · Matcher

toMatchObject

toMatchObject checks whether an object contains a matching subset of properties. For arrays, it also requires the same number and order of elements.

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Syntax

(received: object | array) => Awaitable<void>

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  • arrayContaining
  • toEqual
  • toStrictEqual
  • expect

Source: expect | Vitest. Checked 2026-11-03.