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Posted to commits@echarts.apache.org by "ZeRego (via GitHub)" <gi...@apache.org> on 2025/04/08 13:09:46 UTC

[I] [Bug] getDataURL throws TypeError: Cannot read properties of null (reading 'length') [echarts]

ZeRego opened a new issue, #20904:
URL: https://github.com/apache/echarts/issues/20904

   ### Version
   
   5.5.1
   
   ### Link to Minimal Reproduction
   
   https://jsfiddle.net/sd807pz3/1/
   
   ### Steps to Reproduce
   
   1. create a pie chart using "svg" rendered and "outside" labels
   2. call `echartsInstance.getDataURL()`
   
   
   ### Current Behavior
   
   Error TypeError: Cannot read properties of null (reading 'length')
   
   <img width="501" alt="Image" src="https://github.com/user-attachments/assets/e3663211-da33-4809-bada-f067f7d33201" />
   
   <img width="1091" alt="Image" src="https://github.com/user-attachments/assets/86e19a95-0724-4a1a-ae63-87995d980d99" />
   
   ### Expected Behavior
   
   Get base64 data.
   
   ### Environment
   
   ```markdown
   - OS:
   - Browser:
   - Framework:
   ```
   
   ### Any additional comments?
   
   Changing the rendered to "canvas" or the label position to "outside" returns base 64 without error.


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Re: [I] [Bug] getDataURL throws TypeError: Cannot read properties of null (reading 'length') [echarts]

Posted by "plainheart (via GitHub)" <gi...@apache.org>.
plainheart closed issue #20904: [Bug] getDataURL throws TypeError: Cannot read properties of null (reading 'length')
URL: https://github.com/apache/echarts/issues/20904


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