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56 lines
1.2 KiB
TypeScript
56 lines
1.2 KiB
TypeScript
import { padStart } from 'lodash';
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import { SessionIconType } from '../components/session/icon';
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export function getIncrement(length: number): number {
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if (length < 0) {
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return 1000;
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}
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// if less than one minute, default to 500 ms so that UI counter is accurate
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if (length <= 60000) {
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return 500;
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}
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return Math.ceil(length / 12);
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}
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export function getTimerBucketIcon(expiration: number, length: number): SessionIconType {
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const delta = expiration - Date.now();
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if (delta < 0) {
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return 'timer60';
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}
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if (delta > length) {
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return 'timer00';
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}
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const bucket = Math.round((delta / length) * 12);
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const padded = padStart(String(bucket * 5), 2, '0');
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switch (padded) {
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case '00':
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return 'timer00';
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case '05':
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return 'timer05';
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case '10':
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return 'timer10';
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case '15':
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return 'timer15';
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case '20':
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return 'timer20';
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case '25':
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return 'timer25';
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case '30':
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return 'timer30';
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case '35':
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return 'timer35';
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case '40':
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return 'timer40';
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case '45':
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return 'timer45';
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case '50':
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return 'timer50';
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case '55':
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return 'timer55';
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default:
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return 'timer60';
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}
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}
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