formatLayerData()

in src/layers/trip-layer/trip-layer.js [178:220]

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

  formatLayerData(datasets, oldLayerData) {
    // to-do: parse segment from allData

    const {
      colorScale,
      colorField,
      colorDomain,
      color,
      sizeScale,
      sizeDomain,
      sizeField,
      visConfig
    } = this.config;

    const {colorRange, sizeRange} = visConfig;
    const {allData, gpuFilter} = datasets[this.config.dataId];
    const {data} = this.updateData(datasets, oldLayerData);

    // color
    const cScale =
      colorField &&
      this.getVisChannelScale(colorScale, colorDomain, colorRange.colors.map(hexToRgb));
    // calculate stroke scale - if stroked = true
    const sScale = sizeField && this.getVisChannelScale(sizeScale, sizeDomain, sizeRange);
    // access feature properties from geojson sub layer
    const getDataForGpuFilter = f => allData[f.properties.index];
    const getIndexForGpuFilter = f => f.properties.index;

    return {
      data,
      getFilterValue: gpuFilter.filterValueAccessor(getIndexForGpuFilter, getDataForGpuFilter),
      getPath: d => d.geometry.coordinates,
      getTimestamps: d => this.dataToTimeStamp[d.properties.index],
      getColor: d =>
        cScale
          ? this.getEncodedChannelValue(cScale, allData[d.properties.index], colorField)
          : d.properties.fillColor || color,
      getWidth: d =>
        sScale
          ? this.getEncodedChannelValue(sScale, allData[d.properties.index], sizeField, 0)
          : d.properties.lineWidth || defaultWidth
    };
  }