Function numNull

apps/server/src/config.ts:3–8

(val: string | undefined)

import type { Config } from '@dashdot/common';

const numNull = (val: string | undefined): number | undefined => {
  if (val === undefined || val === '') {
    return undefined;
  }
  return +val;
};

const penv = (key: string): string | undefined => process.env[`DASHDOT_${key}`];
const lst = (item: string): string[] => (item === '' ? [] : item.split(','));