onTransitionEnd()

in src/Transition.js [317:340]

• 21 lines of code
• 8 McCabe index (conditional complexity)

  onTransitionEnd(timeout, handler) {
    this.setNextCallback(handler);
    const node = this.props.nodeRef
      ? this.props.nodeRef.current
      : ReactDOM.findDOMNode(this);

    const doesNotHaveTimeoutOrListener =
      timeout == null && !this.props.addEndListener;
    if (!node || doesNotHaveTimeoutOrListener) {
      setTimeout(this.nextCallback, 0);
      return;
    }

    if (this.props.addEndListener) {
      const [maybeNode, maybeNextCallback] = this.props.nodeRef
        ? [this.nextCallback]
        : [node, this.nextCallback];
      this.props.addEndListener(maybeNode, maybeNextCallback);
    }

    if (timeout != null) {
      setTimeout(this.nextCallback, timeout);
    }
  }