facebook/react · error · Error

549

549

Error message

Cannot start a gesture with a disconnected AnimationTimeline.

What it means

Error "Cannot start a gesture with a disconnected AnimationTimeline." thrown in facebook/react.

Source

Thrown at packages/react-dom-bindings/src/client/ReactFiberConfigDOM.js:2980

    name: name,
    group: new (ViewTransitionPseudoElement as any)('group', name),
    imagePair: new (ViewTransitionPseudoElement as any)('image-pair', name),
    old: new (ViewTransitionPseudoElement as any)('old', name),
    new: new (ViewTransitionPseudoElement as any)('new', name),
  };
}

interface CustomTimeline {
  currentTime: number;
  animate(animation: Animation): void | (() => void);
}

export type GestureTimeline = AnimationTimeline | CustomTimeline;

export function getCurrentGestureOffset(timeline: GestureTimeline): number {
  const time = timeline.currentTime;
  if (time === null) {
    throw new Error(
      'Cannot start a gesture with a disconnected AnimationTimeline.',
    );
  }
  return typeof time === 'number' ? time : time.value;
}

type StoredEventListener = {
  type: string,
  listener: EventListener,
  optionsOrUseCapture: void | EventListenerOptionsOrUseCapture,
  // When once:true, a wrapper that removes the fragment listener after the
  // first fire. Otherwise the same as listener.
  attachedListener: EventListener,
};

export type FragmentInstanceType = {
  _fragmentFiber: Fiber,
  _eventListeners: null | Array<StoredEventListener>,

View on GitHub (pinned to eafeac097b)

When it happens

Trigger: Thrown at packages/react-dom-bindings/src/client/ReactFiberConfigDOM.js:2980 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of facebook/react@eafeac097b (2026-08-21). Data as JSON: /api/errors/0f884f0c4b1883e1. Report an issue: GitHub.