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Posted to commits@echarts.apache.org by "maeln (via GitHub)" <gi...@apache.org> on 2025/04/29 12:50:43 UTC

[I] [Bug/Documentation] Misleading (uncorrect?) documentation regarding series-pie.itemStyle.color [echarts]

maeln opened a new issue, #20948:
URL: https://github.com/apache/echarts/issues/20948

   ### Version
   
   5.6.0
   
   ### Link to Minimal Reproduction
   
   https://echarts.apache.org/examples/en/editor.html?c=pie-simple&code=PYBwLglsB2AEC8sDeAoWtJgDYFMBcya6GOAHmAQOQBKOAZjgE5OzB2wCGsA6jgEYBnCGByUANEXQCArnxHkqAMQ4BrHLAAiHMB3GTYuOhViUAxjmgjGlIgF8J6MMGBZIIAqmIZGEAOa-mKmEcAFsbdHsiXADoABMPfWAfC2NKADcmSFMOLD0vQ1SC8NhIqSYIHAECAG19Ty9YaA4Q_BMAQVNzAQFYRUZgMIcGsABPEFbKEAq8hsYOWIhpKpMAVgAGAFIZr1jtDhr9LyRYNJzpVoBGNYAWAA4xRuaJgGUcDkZTAAtYAFFoXwg0FEJSGDWQJzOrQA7ABmFYPJotKgaCDMUxgSggw7EY6nLDnAgrW5rBFPKg_EIcCC5LFg9C4yEEO7XUlIkwAVWgUDgbViAkxpTpDPxrRhaxJjzZlAAahBYjhgLBefyStiALqg4imFxJAgAChA72aAgAlAgAHyEOmwbXQAQuHAAOnlfGkvgNRpCpoA3Nj0MwwNJGHBKABiABM4ZhMIAnDHKL6wYKvKEQJ8OEJlvUwcEQs9RrgEtapOnYsAAO4AIXxjAIV01YIEpYrAHk6HQBDgwAANAgkv3EJvzCsAYR1tZMjF8fA4eol84ea0dKxNxST2Ns-k36DVKFs3qAA
   
   ### Steps to Reproduce
   
   1. Create a chart with a serie of type `pie` 
   2. In the serie option, add the `color` field and set it to a callback of type `(params: Object) => Color` has mentioned in the documentation
   
   ### Current Behavior
   
   The callback is never called.
   
   ### Expected Behavior
   
   The [documentation](https://echarts.apache.org/en/option.html#series-pie.itemStyle.color) implies that passing a callback to `color` is valid. Therefor, the callback should have been called.
   
   ### Environment
   
   ```markdown
   - OS:Archlinux
   - Browser: Firefox 137
   - Framework:React & Vanilla
   ```
   
   ### Any additional comments?
   
   The documentation on the pie serie `color` option says the following:
   ```
   color. Color is taken from [option.color Palette](https://echarts.apache.org/en/option.html#color) by default.
   
       Supports setting as solid color using rgb(255,255,255), rgba(255,255,255,1), #fff, etc. Also supports setting as gradient color and pattern fill, see [option.color](https://echarts.apache.org/en/option.html#color) for details
   
   Supports callback functions, in the form of:
   
   (params: Object) => Color
   
   Input parameters are seriesIndex, dataIndex, data, value, and etc. of data item.
   ```
   
   And it also shows that a function is a valid parameter for this field. So one would expect that giving it a callback should work, but as shown in the snippet, it does not seem to work. The callback is never called.
   
   Is it a bug ? Or the documentation is missing some precision as to which condition needs to be fulfilled for the function to work ?


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Re: [I] [Bug/Documentation] Misleading (uncorrect?) documentation regarding series-pie.itemStyle.color [echarts]

Posted by "maeln (via GitHub)" <gi...@apache.org>.
maeln commented on issue #20948:
URL: https://github.com/apache/echarts/issues/20948#issuecomment-2838971089

   The color was not wrapped in `itemStyle` in my exemple, which indeed is wrong


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Re: [I] [Bug/Documentation] Misleading (uncorrect?) documentation regarding series-pie.itemStyle.color [echarts]

Posted by "maeln (via GitHub)" <gi...@apache.org>.
maeln closed issue #20948: [Bug/Documentation] Misleading (uncorrect?) documentation regarding series-pie.itemStyle.color
URL: https://github.com/apache/echarts/issues/20948


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