tchen-vuelayers/lib/ol-ext/util.js

Web map Vue components with the power of OpenLayers

/**
 * VueLayers
 * Web map Vue components with the power of OpenLayers
 *
 * @package vuelayers
 * @author Vladimir Vershinin <ghettovoice@gmail.com>
 * @version 0.11.1
 * @license MIT
 * @copyright (c) 2017-2019, Vladimir Vershinin <ghettovoice@gmail.com>
 */
import { isFunction } from '../util/minilo';

/** @module ol-ext/util */
/**
 * heuristic check that value is ol collection
 * @param value
 * @return {boolean}
 */

function isCollection(value) {
  return value && isFunction(value.getArray);
}
/**
 * heuristic check that value is ol vector source
 * @param value
 * @return {*}
 */

function isVectorSource(value) {
  return value && isFunction(value.getAttributions) && isFunction(value.getFeatureById);
}
/**
 * @param value
 * @return {*}
 */

function isCircle(value) {
  return isFunction(value.getCenter) && isFunction(value.getRadius);
}

export { isCollection, isVectorSource, isCircle };