MapGIS Client for JavaScript API

import { Feature, FeatureSet } from '../index'
import { Log } from '../../../util'

/**
 * 从FeatureSet中获取要素数组
 * @param {FeatureSet} featureSet 要素集合对象
 * @return {Array<Feature>} 要素数组对象
 * */
function getFeaturesFromFeatureSet(featureSet) {
  let features = []
  if (featureSet instanceof FeatureSet) {
    features = featureSet.features
  } else if (
    Array.isArray(featureSet) &&
    featureSet.every((feature) => feature instanceof Feature)
  ) {
    features = featureSet
  } else {
    Log.info('传入要素集错误')
  }

  const _features = []
  for (let i = 0; i < features.length; i++) {
    _features[i] = Feature.fromJSON(features[i].toJSON())
  }

  return _features
}

export { getFeaturesFromFeatureSet }