Function withAnimationObserver

tests/e2e/utils.ts:14–30

(page: Page, selector: string)

}

export async function withAnimationObserver(page: Page, selector: string) {
  await page.waitForSelector(selector)
  await page.evaluate(() => {
    const w = window as any
    if (!w.__aa__) {
      w.__aa__ = {
        activeAnimations(element: Element) {
          const anims = (element.getAnimations ? element.getAnimations({ subtree: true }) : []) as Animation[]
          return anims.filter((a) => a.playState === 'running' || (a.currentTime && a.effect)).length
        },
      }
    }
  })
  return {
    count: async () => page.evaluate((sel) => (window as any).__aa__.activeAnimations(document.querySelector(sel)!), selector),
  }
}

export async function waitForActiveAnimations(page: Page, selector: string, timeoutMs = 1000) {
  await page.waitForFunction(