[GitHub] [incubator-echarts] ccqgithub opened a new issue #13804: Cannot read property 'scale' of undefined （按需引入报错）

[GitBox]

ccqgithub opened a new issue #13804:
URL: https://github.com/apache/incubator-echarts/issues/13804


   ### Version
   5.0.0
   
   ### Steps to reproduce
       import echarts from 'echarts/lib/echarts';
       import 'echarts/lib/chart/line';
   
       const chartNumberA = echarts.init(document.getElementById('xxx'));
   
       const option = {
         xAxis: {
           type: 'category',
           boundaryGap: false,
           data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
         },
         yAxis: {
           type: 'value'
         },
         series: [
           {
             data: [820, 932, 901, 934, 1290, 1330, 1320],
             type: 'line',
             areaStyle: {}
           }
         ]
       };
   
       chartNumberA.setOption(option);
   
   ### What is expected?
   希望按需引入能够正常工作。
   
   ### What is actually happening?
   报错：Cannot read property 'scale' of undefined
   
   定位：
   ```
       var xAxis = xAxisModel.axis;
       var yAxis = yAxisModel.axis;
       var xRawExtentInfo = xAxis.scale.rawExtentInfo;
       var yRawExtentInfo = yAxis.scale.rawExtentInfo;
   ```
   
   直接全局引入`var echarts = require('echarts');`则没有这个问题。
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   <!-- This issue is in English. DO NOT REMOVE -->


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