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Edit File: duration.ts

/*
 * Copyright 2022 gRPC authors.
 *
 * 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.
 *
 */

export interface Duration {
  seconds: number;
  nanos: number;
}

export function msToDuration(millis: number): Duration {
  return {
    seconds: (millis / 1000) | 0,
    nanos: (millis % 1000) * 1_000_000 | 0
  };
}

export function durationToMs(duration: Duration): number {
  return (duration.seconds * 1000 + duration.nanos / 1_000_000) | 0;
}

export function isDuration(value: any): value is Duration {
  return (typeof value.seconds === 'number') && (typeof value.nanos === 'number');
}

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