echarts-bmap/src/BMapModel.js

BMap extension for echarts

import * as echarts from "echarts/lib/echarts";

function v2Equal(a, b) {
  return a && b && a[0] === b[0] && a[1] === b[1];
}

export default echarts.extendComponentModel({
  type: "bmap",

  getBMap: function() {
    // __bmap is injected when creating BMapCoordSys
    return this.__bmap;
  },

  setCenterAndZoom: function(center, zoom) {
    this.option.center = center;
    this.option.zoom = zoom;
  },

  centerOrZoomChanged: function(center, zoom) {
    var option = this.option;
    return !(v2Equal(center, option.center) && zoom === option.zoom);
  },

  defaultOption: {
    center: [104.114129, 37.550339],

    zoom: 1,

    mapStyle: {},

    roam: false
  }
});