Feature.properties should be mandatory about mongoose-geojson-schema HOT 2 OPEN

Feature.schemaName = 'Feature'

function validateFeature(feature) {
  if (!feature.type) {
    throw new mongoose.Error('Feature must have a type')
  }
  // type must be Feature
  if (feature.type !== 'Feature') {
    throw new mongoose.Error(feature.type + ' is not a valid GeoJSON type')
  }
  if (!feature.geometry) {
    throw new mongoose.Error('Feature must have a geometry')
  }
  // check for crs
  if (feature.crs) {
    crs = feature.crs
    validateCrs(crs)
  }
  validateGeometry(feature.geometry)
  validateFeatureProperties(feature.properties)
}

function validateFeatureProperties(properties) {
  if (properties === null) return
  if (!properties) {
    throw new mongoose.Error('Feature must have a "properties" member')
  }
  if (typeof properties !== 'object') {
    throw new mongoose.Error('Feature properties must be a JSON object or a null value.')
  }
}