mirror of https://github.com/grpc/grpc-node.git
49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
/*
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* Copyright 2022 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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export interface Duration {
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seconds: number;
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nanos: number;
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}
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export function msToDuration(millis: number): Duration {
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return {
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seconds: (millis / 1000) | 0,
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nanos: ((millis % 1000) * 1_000_000) | 0,
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};
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}
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export function durationToMs(duration: Duration): number {
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return (duration.seconds * 1000 + duration.nanos / 1_000_000) | 0;
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}
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export function isDuration(value: any): value is Duration {
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return typeof value.seconds === 'number' && typeof value.nanos === 'number';
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}
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const durationRegex = /^(\d+)(?:\.(\d+))?s$/;
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export function parseDuration(value: string): Duration | null {
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const match = value.match(durationRegex);
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if (!match) {
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return null;
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}
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return {
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seconds: Number.parseInt(match[1], 10),
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nanos: match[2] ? Number.parseInt(match[2].padEnd(9, '0'), 10) : 0
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};
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}
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