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/**
* @license
* Copyright 2020 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @internal
*/
export class TaskQueue {
#chain: Promise<void>;
constructor() {
this.#chain = Promise.resolve();
}
postTask<T>(task: () => Promise<T>): Promise<T> {
const result = this.#chain.then(task);
this.#chain = result.then(
() => {
return undefined;
},
() => {
return undefined;
}
);
return result;
}
}