Function resolveStartForElement

packages/core/src/runtime/init.ts:468–481

(
    element: Element,
    fallback = 0,
    opts?: { includeAuthoredTimingAttrs?: boolean },
  )

  };

  const resolveStartForElement = (
    element: Element,
    fallback = 0,
    opts?: { includeAuthoredTimingAttrs?: boolean },
  ): number => {
    const resolver = createRuntimeStartTimeResolver({
      timelineRegistry: (window.__timelines ?? {}) as Record<
        string,
        RuntimeTimelineLike | undefined
      >,
      includeAuthoredTimingAttrs: opts?.includeAuthoredTimingAttrs ?? true,
    });
    return resolver.resolveStartForElement(element, fallback);
  };

  const resolveDurationForElement = (
    element: Element,