Function collectMotionFrames

packages/cli/src/commands/layout.ts:368–392

(
  page: import("puppeteer-core").Page,
  times: number[],
  selectors: string[],
  livenessScopes: string[],
)

}

async function collectMotionFrames(
  page: import("puppeteer-core").Page,
  times: number[],
  selectors: string[],
  livenessScopes: string[],
): Promise<MotionFrame[]> {
  const frames: MotionFrame[] = [];
  for (const time of times) {
    await seekTo(page, time);
    const sample = await page.evaluate(
      (options: { selectors: string[]; livenessScopes: string[] }) => {
        const win = window as unknown as {
          __hyperframesMotionSample?: (o: { selectors: string[]; livenessScopes: string[] }) => {
            data: MotionFrame["data"];
            liveness: Record<string, string>;
          };
        };
        return win.__hyperframesMotionSample?.(options) ?? { data: {}, liveness: {} };
      },
      { selectors, livenessScopes },
    );
    frames.push({ time, data: sample.data, liveness: sample.liveness });
  }
  return frames;
}

/**
 * Motion verification (#1437): sample the asserted selectors on a dense grid