handleScroll()

in src/templates/components/Sidebar/ScrollSyncSection.js [53:68]

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

  handleScroll() {
    const {itemTopOffsets} = this.state;
    const item = itemTopOffsets.find((itemTopOffset, i) => {
      const nextItemTopOffset = itemTopOffsets[i + 1];
      if (nextItemTopOffset) {
        return (
          window.scrollY >= itemTopOffset.offsetTop &&
          window.scrollY < nextItemTopOffset.offsetTop
        );
      }
      return window.scrollY >= itemTopOffset.offsetTop;
    });
    this.setState({
      activeItemId: item ? item.id : '',
    });
  }