constructor()

in src/Transition.js [109:139]

• 24 lines of code
• 7 McCabe index (conditional complexity)

  constructor(props, context) {
    super(props, context);

    let parentGroup = context;
    // In the context of a TransitionGroup all enters are really appears
    let appear =
      parentGroup && !parentGroup.isMounting ? props.enter : props.appear;

    let initialStatus;

    this.appearStatus = null;

    if (props.in) {
      if (appear) {
        initialStatus = EXITED;
        this.appearStatus = ENTERING;
      } else {
        initialStatus = ENTERED;
      }
    } else {
      if (props.unmountOnExit || props.mountOnEnter) {
        initialStatus = UNMOUNTED;
      } else {
        initialStatus = EXITED;
      }
    }

    this.state = { status: initialStatus };

    this.nextCallback = null;
  }