18 lines
577 B
TypeScript
18 lines
577 B
TypeScript
import { HassEntity } from 'home-assistant-js-websocket';
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import { durationToSeconds } from '../helpers';
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export const timerTimeRemaining = (stateObj: HassEntity): undefined | number => {
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if (!stateObj.attributes.remaining) {
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return undefined;
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}
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let timeRemaining = durationToSeconds(stateObj.attributes.remaining);
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if (stateObj.state === 'active') {
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const now = new Date().getTime();
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const madeActive = new Date(stateObj.last_changed).getTime();
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timeRemaining = Math.max(timeRemaining - (now - madeActive) / 1000, 0);
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}
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return timeRemaining;
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};
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