onWheel()

in src/components/ZoomableSVGGroup.js [218:226]

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

  onWheel(event) {
    const { clientX, clientY, deltaY } = event;
    const scaleMultiplier = this.getScaleMultiplier(deltaY);

    if (scaleMultiplier !== 1) {
      event.preventDefault();
      this.zoomTo(clientX, clientY, scaleMultiplier, event);
    }
  }