Method setSourceByID

modules/core/ImagerySystem.js:458–475

* setSourceByID * Activates the base layer with the given `sourceID` * This function will correctly handle IDs like `EsriWayback_ `. * @param {string} sourceID - The sourceID to activate * @return {ImagerySource?} The `ImagerySource` with the given ID, or `null` if not found

(sourceID)

   * @return  {ImagerySource?}  The `ImagerySource` with the given ID, or `null` if not found
   */
  setSourceByID(sourceID) {
    if (!this._imageryIndex) return null;   // called before init()?

    let date;
    const match = sourceID.match(/^EsriWayback\_?(.*)$/i);   // get start date, if any
    if (match) {
      sourceID = 'EsriWayback';
      date = match[1];
    }

    const source = this.getSourceByID(sourceID);
    if (source) {
      if (date) {
        source.date = date;
      }
      this.baseLayerSource(source);
    }
  }


  /**