_convertAreaToCoordinates()

in public/components/Charts/Highlight/Highlight.js [142:176]

• 26 lines of code
• 5 McCabe index (conditional complexity)

  _convertAreaToCoordinates(brushArea) {
    // NOTE only continuous scales are supported for brushing/getting coordinates back
    const { enableX, enableY, marginLeft, marginTop } = this.props;
    const xScale = ScaleUtils.getAttributeScale(this.props, 'x');
    const yScale = ScaleUtils.getAttributeScale(this.props, 'y');

    // Ensure that users wishes are being respected about which scales are evaluated
    // this is specifically enabled to ensure brushing on mixed categorical and linear
    // charts will run as expected

    if (enableX && enableY) {
      return {
        bottom: yScale.invert(brushArea.bottom),
        left: xScale.invert(brushArea.left - marginLeft),
        right: xScale.invert(brushArea.right - marginLeft),
        top: yScale.invert(brushArea.top),
      };
    }

    if (enableY) {
      return {
        bottom: yScale.invert(brushArea.bottom - marginTop),
        top: yScale.invert(brushArea.top - marginTop),
      };
    }

    if (enableX) {
      return {
        left: xScale.invert(brushArea.left - marginLeft),
        right: xScale.invert(brushArea.right - marginLeft),
      };
    }

    return {};
  }