export function validateCriteria()

in packages/geofire/src/GeoQuery.ts [32:62]

• 25 lines of code
• 15 McCabe index (conditional complexity)

export function validateCriteria(newQueryCriteria: QueryCriteria, requireCenterAndRadius = false): void {
  if (typeof newQueryCriteria !== 'object') {
    throw new Error('query criteria must be an object');
  } else if (typeof newQueryCriteria.center === 'undefined' && typeof newQueryCriteria.radius === 'undefined') {
    throw new Error('radius and/or center must be specified');
  } else if (requireCenterAndRadius && (typeof newQueryCriteria.center === 'undefined' || typeof newQueryCriteria.radius === 'undefined')) {
    throw new Error('query criteria for a new query must contain both a center and a radius');
  }

  // Throw an error if there are any extraneous attributes
  const keys: string[] = Object.keys(newQueryCriteria);
  for (const key of keys) {
    if (key !== 'center' && key !== 'radius') {
      throw new Error('Unexpected attribute \'' + key + '\' found in query criteria');
    }
  }

  // Validate the 'center' attribute
  if (typeof newQueryCriteria.center !== 'undefined') {
    validateLocation(newQueryCriteria.center);
  }

  // Validate the 'radius' attribute
  if (typeof newQueryCriteria.radius !== 'undefined') {
    if (typeof newQueryCriteria.radius !== 'number' || isNaN(newQueryCriteria.radius)) {
      throw new Error('radius must be a number');
    } else if (newQueryCriteria.radius < 0) {
      throw new Error('radius must be greater than or equal to 0');
    }
  }
}