veritatisdoloremque
Version:
Monorepo for the Firebase JavaScript SDK
59 lines (54 loc) • 1.6 kB
text/typescript
/**
* @license
* Copyright 2019 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/** TODO: remove this once tslib has a polyfill for Promise.allSettled */
interface PromiseFulfilledResult<T> {
fulfilled: true;
value: T;
}
interface PromiseRejectedResult {
fulfilled: false;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
reason: any;
}
export type PromiseSettledResult<T> =
| PromiseFulfilledResult<T>
| PromiseRejectedResult;
/**
* Shim for Promise.allSettled, note the slightly different format of `fulfilled` vs `status`.
*
* @param promises - Array of promises to wait on.
*/
export function _allSettled<T>(
promises: Array<Promise<T>>
): Promise<Array<PromiseSettledResult<T>>> {
return Promise.all(
promises.map(async promise => {
try {
const value = await promise;
return {
fulfilled: true,
value
} as PromiseFulfilledResult<T>;
} catch (reason) {
return {
fulfilled: false,
reason
} as PromiseRejectedResult;
}
})
);
}