export function parseTripGeoJsonTimestamp()

in src/layers/trip-layer/trip-utils.js [103:135]

• 23 lines of code
• 11 McCabe index (conditional complexity)

export function parseTripGeoJsonTimestamp(dataToFeature) {
  // Analyze type based on coordinates of the 1st lineString
  // select a sample trip to analyze time format
  const empty = {dataToTimeStamp: [], animationDomain: null};
  const sampleTrip = dataToFeature.find(
    f => f && f.geometry && f.geometry.coordinates && f.geometry.coordinates.length >= 3
  );

  // if no valid geometry
  if (!sampleTrip) {
    return empty;
  }

  const analyzedType = containValidTime(sampleTrip.geometry.coordinates.map(coord => coord[3]));

  if (!analyzedType) {
    return empty;
  }

  const {format} = analyzedType;
  const getTimeValue = coord =>
    coord && notNullorUndefined(coord[3]) ? timeToUnixMilli(coord[3], format) : null;

  const dataToTimeStamp = dataToFeature.map(f =>
    f && f.geometry && Array.isArray(f.geometry.coordinates)
      ? f.geometry.coordinates.map(getTimeValue)
      : null
  );

  const animationDomain = getAnimationDomainFromTimestamps(dataToTimeStamp);

  return {dataToTimeStamp, animationDomain};
}