Function waitForText

src/testing/replContractHarness.ts:180–201

(
  readText: () => string,
  predicate: (text: string) => boolean,
  options?: {
    readonly timeoutMs?: number
    readonly label?: string
  },
)

}

export async function waitForText(
  readText: () => string,
  predicate: (text: string) => boolean,
  options?: {
    readonly timeoutMs?: number
    readonly label?: string
  },
): Promise<string> {
  const deadline = Date.now() + (options?.timeoutMs ?? 4000)
  let lastText = ''
  while (Date.now() < deadline) {
    lastText = readText()
    if (predicate(lastText)) {
      return lastText
    }
    await Bun.sleep(20)
  }

  throw new Error(
    `Timed out waiting for ${options?.label ?? 'text condition'}. Last capture:\n${lastText}`,
  )
}

export function getFrameByLabel<T extends { readonly label: string }>(
  frames: readonly T[],