Method _setLayerID

src/common/mapping/WebMapV2.js:1049–1082

(mapInfo)

    }

    _setLayerID(mapInfo) {
      const sumInfo = {};
      const { baseLayer, layers = [] } = mapInfo;
      if (!this.checkSameLayer) {
        const baseInfo = this._generateUniqueLayerId({ layerId: baseLayer.name, repeatIndex: 0 });
        baseLayer.title = baseLayer.name;
        baseLayer.name = baseInfo.newId;
      }
      const layerNames = layers.map((layer) => layer.name);
      const _layers = layers.map((layer, index) => {
        if (!(layer.name in sumInfo)) {
          sumInfo[layer.name] = baseLayer.name === layer.name ? 1 : 0;
        }
        const matchFirstIndex = layerNames.indexOf(layer.name);
        const matchLastIndex = layerNames.lastIndexOf(layer.name);
        if (index > matchFirstIndex && index <= matchLastIndex) {
          sumInfo[layer.name] = sumInfo[layer.name] + 1;
        }
        let layerID = sumInfo[layer.name] ? `${layer.name}-${sumInfo[layer.name]}` : layer.name;
        if (!this.checkSameLayer || layer.layerType !== 'raster') {
          const { newId, newIndex } = this._generateUniqueLayerId({
            layerId: layerID,
            repeatIndex: sumInfo[layer.name],
            layerType: layer.layerType
          });
          sumInfo[layer.name] = newIndex;
          layerID = newId;
        }
        return Object.assign(layer, { layerID });
      });
      mapInfo.layers = _layers;
      mapInfo.baseLayer = baseLayer;
      return mapInfo;
    }

    _generateUniqueLayerId(options) {
      let { layerId, repeatIndex, layerType } = options;