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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2021/02/19 07:45:07 UTC
[GitHub] [echarts] lvding opened a new issue #14293: 配置项series.data数组里如果同时存在null和对象,将会报错Cannot read property 'selected' of null
lvding opened a new issue #14293:
URL: https://github.com/apache/echarts/issues/14293
### Version
5.0.2
### Steps to reproduce
非连续的折线图/柱状图,在3.x和4.x版本时,
series.data可以用类似[null,{value:3},{value:4},null]这样的数组呈现,而在5.x版本时候必须使用[{value:null},{value:3},{value:4},{value:null}]
否则将会报错Cannot read property 'selected' of null
### What is expected?
正常呈现非连续的折线图
### What is actually happening?
报错Cannot read property 'selected' of null
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[GitHub] [echarts] leosxie commented on issue #14293: 配置项series.data数组里如果同时存在null和对象,将会报错Cannot read property 'selected' of null
Posted by GitBox <gi...@apache.org>.
leosxie commented on issue #14293:
URL: https://github.com/apache/echarts/issues/14293#issuecomment-789362670
i will try to pr this issue
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[GitHub] [echarts] echarts-bot[bot] commented on issue #14293: 配置项series.data数组里如果同时存在null和对象,将会报错Cannot read property 'selected' of null
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #14293:
URL: https://github.com/apache/echarts/issues/14293#issuecomment-787601476
This issue is labeled with `difficulty: easy`.
@lvding 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](https://github.com/apache/incubator-echarts/blob/master/CONTRIBUTING.md#how-to-debug-echarts) if you'd like to give a try. 🤓
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[GitHub] [echarts] echarts-bot[bot] commented on issue #14293: 配置项series.data数组里如果同时存在null和对象,将会报错Cannot read property 'selected' of null
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #14293:
URL: https://github.com/apache/echarts/issues/14293#issuecomment-781897583
Hi! We've received your issue and please be patient to get responded. 🎉
The average response time is expected to be within one day for weekdays.
In the meanwhile, please make sure that **you have posted enough image to demo your request**. You may also check out the [API](http://echarts.apache.org/api.html) and [chart option](http://echarts.apache.org/option.html) to get the answer.
If you don't get helped for a long time (over a week) or have an urgent question to ask, you may also send an email to dev@echarts.apache.org. Please attach the issue link if it's a technical question.
If you are interested in the project, you may also subscribe our [mailing list](https://echarts.apache.org/en/maillist.html).
Have a nice day! 🍵
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[GitHub] [echarts] pissang closed issue #14293: 配置项series.data数组里如果同时存在null和对象,将会报错Cannot read property 'selected' of null
Posted by GitBox <gi...@apache.org>.
pissang closed issue #14293:
URL: https://github.com/apache/echarts/issues/14293
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[GitHub] [echarts] plainheart commented on issue #14293: 配置项series.data数组里如果同时存在null和对象,将会报错Cannot read property 'selected' of null
Posted by GitBox <gi...@apache.org>.
plainheart commented on issue #14293:
URL: https://github.com/apache/echarts/issues/14293#issuecomment-791042981
Great! Like #14404, y'all got the focus of this error. Any contribution will be much appreciated!
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[GitHub] [echarts] jonavila commented on issue #14293: 配置项series.data数组里如果同时存在null和对象,将会报错Cannot read property 'selected' of null
Posted by GitBox <gi...@apache.org>.
jonavila commented on issue #14293:
URL: https://github.com/apache/echarts/issues/14293#issuecomment-790918020
I ran into this issue in 5.x and I believe it's caused by this method of Series.ts
```
private _initSelectedMapFromData(data: List) {
// Ignore select info in data if selectedMap exists.
// NOTE It's only for legacy usage. edge data is not supported.
if (this.option.selectedMap) {
return;
}
const dataIndices: number[] = [];
if (data.hasItemOption) {
data.each(function (idx) {
const rawItem = data.getRawDataItem(idx);
if (typeof rawItem === 'object'
&& (rawItem as OptionDataItemObject<unknown>).selected
) {
dataIndices.push(idx);
}
});
}
if (dataIndices.length > 0) {
this._innerSelect(data, dataIndices);
}
}
```
You can see how it fails if rawItem is null because typeof null === 'object'.
Using undefined in the value instead of null works for me as workaround.
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