useCollectionScope
将 Cesium 相关的 Collection 副作用限制在当前作用域内,并在卸载时自动移除。
WARNING
这是一个底层基础函数,旨在由其他更高级的函数(如 useEntityScope)调用。除非你需要实现自定义的集合管理逻辑,否则建议优先使用更高级的 Hook。
Usage
ts
import { useCollectionScope } from 'vesium';
const { add, remove, scope } = useCollectionScope({
addEffect: instance => viewer.entities.add(instance),
removeEffect: instance => viewer.entities.remove(instance)
});
const entity = add({ id: 'test' });
// 当组件卸载时,entity 会自动从 viewer.entities 中移除Type Definitions
typescript
import type { ShallowReactive } from 'vue';
export type EffcetRemovePredicate<T> = (instance: T) => boolean;
export interface UseCollectionScopeOptions<T, AddArgs extends any[], RemoveArgs extends any[] = [], RemoveReturn = any> {
/**
* add SideEffect function. e.g. `entities.add`
*/
addEffect: (instance: T | Promise<T>, ...args: AddArgs) => T | Promise<T>;
/**
* Clean SideEffect function. eg.`entities.remove`
*/
removeEffect: (instance: T, ...args: RemoveArgs) => RemoveReturn;
/**
* The parameters to pass for `removeScope` triggered when the component is unmounted
*/
removeScopeArgs?: RemoveArgs;
}
export interface UseCollectionScopeReturn<T, AddArgs extends any[], RemoveArgs extends any[], RemoveReturn = any> {
/**
* A `Set` for storing SideEffect instance,
* which is encapsulated using `ShallowReactive` to provide Vue's reactive functionality
*/
scope: Readonly<ShallowReactive<Set<T>>>;
/**
* Add SideEffect instance
*/
add: <R extends T | Promise<T>>(instance: R, ...args: AddArgs) => R extends Promise<infer U> ? Promise<U> : T;
/**
* Remove specified SideEffect instance
*/
remove: (instance: T, ...args: RemoveArgs) => RemoveReturn;
/**
* Remove all SideEffect instance that meets the specified criteria
*/
removeWhere: (predicate: EffcetRemovePredicate<T>, ...args: RemoveArgs) => void;
/**
* Remove all SideEffect instance within current scope
*/
removeScope: (...args: RemoveArgs) => void;
}
/**
* Scope the SideEffects of Cesium-related `Collection` and automatically remove them when unmounted.
* - note: This is a basic function that is intended to be called by other lower-level function
* @returns Contains side effect addition and removal functions
*/
export declare function useCollectionScope<T, AddArgs extends any[] = any[], RemoveArgs extends any[] = any[], RemoveReturn = any>(options: UseCollectionScopeOptions<T, AddArgs, RemoveArgs, RemoveReturn>): UseCollectionScopeReturn<T, AddArgs, RemoveArgs, RemoveReturn>;
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