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import { BushArgumentTypeCaster } from '../lib/extensions/BushArgumentTypeCaster';
import { BushMessage } from '../lib/extensions/BushMessage';
// Stolen from @Mzato0001 (pr to discord akairo that hasn't been merged yet)
const TimeUnits = {
years: {
label: '(?:years?|y)',
value: 1000 * 60 * 60 * 24 * 365
},
months: {
label: '(?:months?|mo)',
value: 1000 * 60 * 60 * 24 * 30
},
weeks: {
label: '(?:weeks?|w)',
value: 1000 * 60 * 60 * 24 * 7
},
days: {
label: '(?:days?|d)',
value: 1000 * 60 * 60 * 24
},
hours: {
label: '(?:hours?|hrs?|h)',
value: 1000 * 60 * 60
},
minutes: {
label: '(?:minutes?|mins?|m)',
value: 1000 * 60
},
seconds: {
label: '(?:seconds?|secs?|s)',
value: 1000
},
milliseconds: {
label: '(?:milliseconds?|msecs?|ms)',
value: 1
}
};
export const durationTypeCaster: BushArgumentTypeCaster = async (_message: BushMessage, phrase): Promise<number> => {
if (!phrase) return null;
const regexString = Object.entries(TimeUnits)
.map(([name, { label }]) => String.raw`(?:(?<${name}>-?(?:\d+)?\.?\d+) *${label})?`)
.join('\\s*');
const match = new RegExp(`^${regexString}$`, 'i').exec(phrase);
if (!match) return null;
let milliseconds = 0;
for (const key in match.groups) {
const value = Number(match.groups[key] || 0);
milliseconds += value * TimeUnits[key].value;
}
return milliseconds;
};
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