Function createDuration

src/chronos/duration/create.ts:24–29

(input?: DurationInput, key?: string, config: DateParsingConfig = {})

export type DurationInput = string | number | Duration | Partial<DateObject> | { from: Date; to: Date };

export function createDuration(input?: DurationInput, key?: string, config: DateParsingConfig = {}) {
  const duration = convertDuration(input, key);
  // matching against regexp is expensive, do it on demand

  return new Duration(duration, config);
}

function convertDuration(input: any, key: string): Partial<DateObject> {
  // checks for null or undefined