Function generateHeatmap

src/google_heatmap.js:1–10

(instance, { positions })

export const generateHeatmap = (instance, { positions }) =>
  new instance.visualization.HeatmapLayer({
    data: positions.reduce((acc, { lat, lng, weight = 1 }) => {
      acc.push({
        location: new instance.LatLng(lat, lng),
        weight,
      });
      return acc;
    }, []),
  });

export const optionsHeatmap = (instance, { options = {} }) =>
  Object.keys(options).map((option) => instance.set(option, options[option]));