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Jest · Method

jest.mocked

jest.mocked() gives an object or function Jest mock types in TypeScript. It supports deep nested members by default.

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Syntax

jest.mocked(source, options?)

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  • jest.Mocked<Source>
  • jest.Spied<Source>
  • jest.mock()
  • jest.spyOn()
  • jest.fn()

Source: Mock Functions · Jest. Checked 2026-11-03.