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refactor: 改进容器检查逻辑的类型安全性和健壮性 #2622

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Merged
fuzhenn merged 1 commit into from
Sep 8, 2025
Merged

refactor: 改进容器检查逻辑的类型安全性和健壮性 #2622

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6 changes: 3 additions & 3 deletions packages/maptalks/src/map/Map.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2000,9 +2000,9 @@ export class Map extends Handlerable(Eventable(Renderable(Class))) {
}
}

if (this._containerDOM.childNodes && this._containerDOM.childNodes.length > 0) {
//@ts-expect-error I don't know either
if (this._containerDOM.childNodes[0].className === 'maptalks-wrapper') {
if(this._containerDOM?.childNodes?.length > 0) {
const firstChild = this._containerDOM.childNodes[0];
if (firstChild instanceof HTMLElement && firstChild.classList.contains('maptalks-wrapper')) {
throw new Error('Container is already loaded with another map instance, use map.remove() to clear it.');
}
}
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