componentWillReceiveProps()

in js/common/F8ScrollingHeader.js [59:74]

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

  componentWillReceiveProps(nextProps) {
    if (nextProps.scrollTop !== this.props.scrollTop) {
      let toValue = null;
      const { revealed } = this.state;
      const { trigger, scrollTop, duration } = nextProps;
      if (!revealed && scrollTop >= trigger) {
        toValue = 1;
      } else if (revealed && scrollTop < trigger) {
        toValue = 0;
      }
      if (toValue !== null) {
        this.setState({ revealed: toValue === 1 ? true : false });
        Animated.timing(this.state.anim, { toValue, duration }).start();
      }
    }
  }