SuperRay3 edited a comment on issue #15527:
URL: https://github.com/apache/echarts/issues/15527#issuecomment-962399027
I think it's not a mistake of echarts.
According to the prompt, we can find the main problem is "The type "string"
cannot be assigned to the type ""FeatureCollection""". After that we can jump
to the type declaration in which file name called `shared.d.ts` whose path is
`echarts/types/dist/shared.d.ts`
If you regist map by using GeoJSON, the type were limited by
`GeoJSONFeatureCollection` `GeoJSONFeature` and `GeoJSONGeometry`.
Inspect the data in own code was inferred to be string by typescript, but
echarts declare it as a literal "FeatureCollection".
**Solution:**
Add `as const` assertions to the field which were defined as literal. For
example:
```json
{
type: 'FeatureCollection' as const,
features: [
{
id: '710000',
type: 'Feature' as const,
geometry: {
type: 'MultiPolygon' as const,
coordinates: [
......
],
encodeOffsets: [
......
],
},
properties: { cp: [121.509062, 25.044332], name: '', childNum: 6 },
},
]
}
```
@Ovilia Is my solution correct?
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