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Vitest · Method

vi.stubGlobal

vi.stubGlobal replaces a global variable during a test. Use vi.unstubAllGlobals or the unstubGlobals setting to restore it.

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Syntax

function stubGlobal(name: string | number | symbol, value: unknown): Vitest

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  • vi.unstubAllGlobals
  • unstubGlobals
  • globalThis
  • vi.fn

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