src/background/presenters/FramePresenter.ts


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export default interface FramePresenter {
  getAllFrameIds(tabId: number): Promise<Array<number>>;
}

export class FramePresenterImpl implements FramePresenter {
  async getAllFrameIds(tabId: number): Promise<Array<number>> {
    const frames = await browser.webNavigation.getAllFrames({ tabId: tabId });
    return frames
      .filter((f) => !f.url.startsWith("moz-extension://"))
      .map((f) => f.frameId);
  }
}