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