Yet another update...

1import { Parser } from "ms-utility"
2
3const parser = new Parser([
4    [
5        "d",
6        {
7            letter: 'd',
8            word: 'day',
9            ms: 86_400_000
10        }
11    ]
12]) // This adds new time units to the parser.
13
14console.log(
15    parser.parseToString(86_400_000), // Will return 1 day.
16    parser.parseToMS('1d') // Will return 86_400_000.
17)