vitest-setup.js

import { vi } from "vitest"
import React from "react"
import "@testing-library/jest-dom"

vi.mock(`gatsby`, async () => {
  const gatsby = await vi.importActual(`gatsby`)

  return {
    ...gatsby,
    graphql: vi.fn(),
    Link: vi.fn().mockImplementation(({ to, ...rest }) =>
      React.createElement(`a`, {
        ...rest,
        href: to,
      })
    ),
    StaticQuery: vi.fn(),
    useStaticQuery: vi.fn(),
  }
})