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44 lines
1.5 KiB
TypeScript
44 lines
1.5 KiB
TypeScript
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* Rejects if `promise` does not settle within `ms` milliseconds. A non-positive
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* `ms` disables the timeout and returns the promise unchanged. The timer is
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* always cleared so it cannot keep the event loop alive.
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*/
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export function withTimeout<T>(
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promise: Promise<T>,
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ms: number,
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label: string,
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): Promise<T> {
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if (!ms || ms <= 0) {
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return promise;
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}
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let timer: ReturnType<typeof setTimeout>;
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const timeout = new Promise<never>((_resolve, reject) => {
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timer = setTimeout(
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() => reject(new Error(`${label} did not resolve within ${ms}ms`)),
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ms,
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);
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});
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return Promise.race([promise, timeout]).finally(() =>
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clearTimeout(timer),
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) as Promise<T>;
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}
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