Function renderWithContext

packages/core/src/hooks/useSpring.test.tsx:446–453

(elem: React.JSX.Element)

  })

  async function renderWithContext(elem: React.JSX.Element) {
    const wrapped = (
      <SpringContextProvider {...context}>{elem}</SpringContextProvider>
    )
    if (result) await result.rerender(wrapped)
    else result = await render(wrapped)
    return result
  }

  type Args = Parameters<typeof useSpring>
  const update = (...args: [Args[0], Args[1]?]) =>