Keith Ingram
56d151fe66
* Add BN consts and timeToString * docs * lint * fixes * lint * lint * add tests, ms * fix * test
74 lines
1.8 KiB
TypeScript
74 lines
1.8 KiB
TypeScript
// Copyright 2017-2020 @polkadot/util authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { Time } from './types';
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const HRS = 60 * 60;
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const DAY = HRS * 24;
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/**
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* @name addTime
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* @summary Add together two Time arrays
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*/
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function addTime (a: Time, b: Time): Time {
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return {
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days: a.days + b.days,
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hours: a.hours + b.hours,
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milliseconds: a.milliseconds + b.milliseconds,
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minutes: a.minutes + b.minutes,
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seconds: a.seconds + b.seconds
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};
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}
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const ZERO = { days: 0, hours: 0, milliseconds: 0, minutes: 0, seconds: 0 };
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/**
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* @name extractTime
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* @summary Convert a quantity of seconds to Time array representing accumulated {days, minutes, hours, seconds, milliseconds}
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* @example
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* <BR>
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*
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* ```javascript
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* import { extractTime } from '@polkadot/util';
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*
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* const { days, minutes, hours, seconds, milliseconds } = extractTime(6000); // 0, 0, 10, 0, 0
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* ```
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*/
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export default function extractTime (milliseconds?: number): Time {
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if (!milliseconds) {
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return ZERO;
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} else if (milliseconds < 1000) {
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return { ...ZERO, milliseconds };
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}
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const secs = milliseconds / 1000;
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if (secs < 60) {
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const seconds = Math.floor(secs);
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return addTime({ ...ZERO, seconds }, extractTime(milliseconds - (seconds * 1000)));
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}
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const mins = secs / 60;
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if (mins < 60) {
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const minutes = Math.floor(mins);
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return addTime({ ...ZERO, minutes }, extractTime(milliseconds - (minutes * 60 * 1000)));
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}
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const hrs = mins / 60;
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if (hrs < 24) {
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const hours = Math.floor(hrs);
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return addTime({ ...ZERO, hours }, extractTime(milliseconds - (hours * HRS * 1000)));
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}
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const days = Math.floor(hrs / 24);
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return addTime({ ...ZERO, days }, extractTime(milliseconds - (days * DAY * 1000)));
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}
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