[fix] Added default leaflet map option worldCopyJump: true to LeafletCoordSys

lib/js/echarts-leaflet/LeafletCoordSys.js

@@ -156,7 +156,12 @@ function createLeafletCoordSystem(echarts, L) {
         mapRoot.classList.add("ec-extension-leaflet");
         root.appendChild(mapRoot);
 
-        leafletModel.__map = L.map(mapRoot, leafletModel.get("mapOptions"));
+        const userOptions = leafletModel.get("mapOptions") || {};
+        const defaultOption = {
+          worldCopyJump: true,
+        };
+        const mapOptions = Object.assign({}, defaultOption, userOptions);
+        leafletModel.__map = L.map(mapRoot, mapOptions);
         const map = leafletModel.__map;
         const tiles = leafletModel.get("tiles");
         const baseLayers = {};

test/LeafletCoordSys.test.js

@@ -0,0 +1,44 @@
+import L from "leaflet";
+import createLeafletCoordSystem from "../lib/js/echarts-leaflet/LeafletCoordSys";
+
+describe("LeafletCoordSys", () => {
+  it("should set worldCopyJump to true by default", () => {
+    const echartsMock = {
+      util: {
+        curry: (fn, method) => fn.bind(null, method),
+      },
+      graphic: {
+        BoundingRect: class {},
+      },
+      matrix: {
+        create: () => [],
+      },
+    };
+    const LeafletCoordSys = createLeafletCoordSystem(echartsMock, L);
+    const mockModel = {
+      get: (key) => {
+        if (key === "mapOptions") return {}; // no user options
+        if (key === "tiles") return [];
+        if (key === "layerControl") return {};
+        return undefined;
+      },
+      __map: null,
+    };
+    const api = {
+      getDom: () => document.createElement("div"),
+      getZr: () => ({
+        painter: {
+          getViewportRoot: () => document.createElement("div"),
+        },
+      }),
+    };
+    const ecModel = {
+      eachComponent: (type, callback) => {
+        if (type === "leaflet") callback(mockModel);
+      },
+      eachSeries: () => {},
+    };
+    LeafletCoordSys.create(ecModel, api);
+    expect(mockModel.__map.options.worldCopyJump).toBe(true);
+  });
+});