桑基图option.color设置为数组，数组中颜色为空字符串时，报错

[yaodd123]

Version

5.3.0

Link to Minimal Reproduction

No response

Steps to Reproduce

option = {
series: [
type: 'sankey',
......
],
color: ['red', '']
}

Current Behavior

颜色中带有空字符串时报错，目前只发现桑基图报错，饼图、散点图等其他图表不报错。

Expected Behavior

不报错

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response

[echarts-bot]

@yaodd123 It seems you are not using English, I've helped translate the content automatically. To make your issue understood by more people and get helped, we'd like to suggest using English next time. 🤗

TRANSLATED

TITLE

Sankey diagram option.color is set to an array, when the color in the array is an empty string, an error is reported

BODY

Version

5.3.0

Link to Minimal Reproduction

No response

Steps to Reproduce

option = {
series: [
type: 'sankey',
......
],
color: ['red', '']
}

Current Behavior

With an empty string in the color, errors are reported, and at present, only sankey charts are found to be error-reporting, and other charts such as pie charts and scatter charts are not reported errors.

Expected Behavior

No errors

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response

[echarts-bot]

This issue is labeled with difficulty: easy.
@yaodd123 Would you like to debug it by yourself? This is a quicker way to get your problem fixed. Or you may wait for the community to fix.

Please have a look at How to debug ECharts if you'd like to give a try. 🤓