Function mock

packages/vitest/src/integrations/vi.ts:630–651

(path: string | Promise<unknown>, factory?: MockOptions | MockFactoryWithHelper)

    },

    mock(path: string | Promise<unknown>, factory?: MockOptions | MockFactoryWithHelper) {
      if (typeof path !== 'string') {
        throw new TypeError(
          `vi.mock() expects a string path, but received a ${typeof path}`,
        )
      }
      const importer = getImporter('mock')
      _mocker().queueMock(
        path,
        importer,
        typeof factory === 'function'
          ? () =>
              factory(() =>
                _mocker().importActual(
                  path,
                  importer,
                  _mocker().getMockContext().callstack,
                ),
              )
          : factory,
      )
    },

    unmock(path: string | Promise<unknown>) {
      if (typeof path !== 'string') {