Function check

test/lib/next-test-utils.ts:765–791

(
  contentFn: () => unknown | Promise<unknown>,
  regex: boolean | number | string | RegExp
)

 * @deprecated use retry + expect instead
 */
export async function check(
  contentFn: () => unknown | Promise<unknown>,
  regex: boolean | number | string | RegExp
): Promise<boolean> {
  let content: unknown
  let lastErr: unknown

  for (let tries = 0; tries < 30; tries++) {
    try {
      content = await contentFn()
      if (typeof regex !== 'object') {
        if (regex === content) {
          return true
        }
      } else if (regex.test('' + content)) {
        // found the content
        return true
      }
      await waitFor(1000)
    } catch (err) {
      await waitFor(1000)
      lastErr = err
    }
  }
  console.error('TIMED OUT CHECK: ', { regex, content, lastErr })
  throw new Error('TIMED OUT: ' + regex + '\n\n' + content + '\n\n' + lastErr)
}

export class File {
  path: string