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uni_modules/wot-design-uni/components/common/AbortablePromise.ts

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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)
+  }
+}