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1/*
2 * Copyright 2022 gRPC authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17
18export interface Duration {
19 seconds: number;
20 nanos: number;
21}
22
23export function msToDuration(millis: number): Duration {
24 return {
25 seconds: (millis / 1000) | 0,
26 nanos: (millis % 1000) * 1_000_000 | 0
27 };
28}
29
30export function durationToMs(duration: Duration): number {
31 return (duration.seconds * 1000 + duration.nanos / 1_000_000) | 0;
32}
33
34export function isDuration(value: any): value is Duration {
35 return (typeof value.seconds === 'number') && (typeof value.nanos === 'number');
36}
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