@google-cloud/pubsub
Version:
Cloud Pub/Sub Client Library for Node.js
68 lines • 2.56 kB
JavaScript
;
// Copyright 2022 Google LLC
//
// 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.
Object.defineProperty(exports, "__esModule", { value: true });
exports.Duration = void 0;
/**
* Duration class with an interface similar to the tc39 Temporal
* proposal. Since it's not fully finalized, and polyfills have
* inconsistent compatibility, for now this shim class will be
* used to set durations in Pub/Sub.
*
* This class will remain here for at least the next major version,
* eventually to be replaced by the tc39 Temporal built-in.
*
* https://tc39.es/proposal-temporal/docs/duration.html
*/
class Duration {
millis;
static secondInMillis = 1000;
static minuteInMillis = Duration.secondInMillis * 60;
static hourInMillis = Duration.minuteInMillis * 60;
constructor(millis) {
this.millis = millis;
}
/**
* Calculates the total number of units of type 'totalOf' that would
* fit inside this duration.
*/
totalOf(totalOf) {
switch (totalOf) {
case 'hour':
return this.millis / Duration.hourInMillis;
case 'minute':
return this.millis / Duration.minuteInMillis;
case 'second':
return this.millis / Duration.secondInMillis;
case 'millisecond':
return this.millis;
default:
throw new Error(`Invalid unit in call to totalOf(): ${totalOf}`);
}
}
/**
* Creates a Duration from a DurationLike, which is an object
* containing zero or more of the following: hours, seconds,
* minutes, millis.
*/
static from(durationLike) {
let millis = durationLike.millis ?? 0;
millis += (durationLike.seconds ?? 0) * Duration.secondInMillis;
millis += (durationLike.minutes ?? 0) * Duration.minuteInMillis;
millis += (durationLike.hours ?? 0) * Duration.hourInMillis;
return new Duration(millis);
}
}
exports.Duration = Duration;
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