vue引入echarts中国地图 Cannot read properties of undefined (reading ‘echarts‘) at eval (webpack-inter

Cannot read properties of undefined (reading ‘echarts’)
at eval (webpack-internal:///./src/views/my_components/charts/china.js:14:22)
引入本地china.js报错，信息如下

找了很多js文件都报错

解决办法：

使用echart中的文件
1、安装依赖

npm install echarts -S

2、引入

import 'echarts/map/js/china.js'

完美解决