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@tplc/wot

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export class AbortablePromise<T> { promise: Promise<T> private _reject: ((res?: any) => void) | null = null constructor( executor: ( resolve: (value: T | PromiseLike<T>) => void, reject: (reason?: any) => void, ) => void, ) { this.promise = new Promise<T>((resolve, reject) => { executor(resolve, reject) this._reject = reject // 保存reject方法的引用,以便在abort时调用 }) } // 提供abort方法来中止Promise abort(error?: any) { if (this._reject) { this._reject(error) // 调用reject方法来中止Promise } } then<TResult1 = T, TResult2 = never>( onfulfilled?: ((value: T) => TResult1 | PromiseLike<TResult1>) | undefined | null, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | undefined | null, ): Promise<TResult1 | TResult2> { return this.promise.then(onfulfilled, onrejected) } catch<TResult = never>( onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | undefined | null, ): Promise<T | TResult> { return this.promise.catch(onrejected) } }