fix: 修复 ExtrudePolyLine 对应的单元测试逻辑

examples/line/path/demo/road_light.js

@@ -9,7 +9,7 @@ import {
 const scene = new Scene({
   id: 'map',
   map: new Mapbox({
-    center: [116.3956, 39.9392],
+    center: [ 116.3956, 39.9392 ],
     pitch: 0,
     zoom: 10,
     rotation: 0,
@@ -18,15 +18,15 @@ const scene = new Scene({
 });
 scene.on('loaded', () => {
   fetch(
-      'https://gw.alipayobjects.com/os/basement_prod/0d2f0113-f48b-4db9-8adc-a3937243d5a3.json'
-    )
+    'https://gw.alipayobjects.com/os/basement_prod/0d2f0113-f48b-4db9-8adc-a3937243d5a3.json'
+  )
     .then(res => res.json())
     .then(data => {
       const layer = new LineLayer({})
         .source(data)
         .size(1.5)
         .shape('line')
-        .color('标准名称', ['#5B8FF9', '#5CCEA1', '#5D7092']);
+        .color('标准名称', [ '#5B8FF9', '#5CCEA1', '#5D7092' ]);
       scene.addLayer(layer);
     });
 });

packages/layers/src/utils/__tests__/extrude_polyline.spec.ts

@@ -18,6 +18,6 @@ describe('extrude polyline', () => {
       coord[1] = lat;
     });
     const mesh = extrude.extrude(coords);
-    expect(mesh.indices.length).toBe(12);
+    expect(mesh.indices.length).toBe(6);
   });
 });