Function retry

test/lib/next-test-utils.ts:847–879

(
  fn: () => T | Promise<T>,
  duration: number = 3000,
  interval: number = 500,
  description: string = fn.name
)

}

export async function retry<T>(
  fn: () => T | Promise<T>,
  duration: number = 3000,
  interval: number = 500,
  description: string = fn.name
): Promise<T> {
  if (duration % interval !== 0) {
    throw new Error(
      `invalid duration ${duration} and interval ${interval} mix, duration must be evenly divisible by interval`
    )
  }

  for (let i = duration; i >= 0; i -= interval) {
    try {
      return await fn()
    } catch (err) {
      if (i === 0) {
        console.error(
          `Failed to retry${
            description ? ` ${description}` : ''
          } within ${duration}ms`
        )
        throw err
      }
      debugPrint(
        `Retrying${description ? ` ${description}` : ''} in ${interval}ms`
      )
      await waitFor(interval)
    }
  }

  throw new Error('Duration cannot be less than 0.')
}

export async function waitForRedbox(browser: Playwright) {
  const redbox = browser.locateRedbox()