Usage no npm install needed!

<script type="module">
  import dtms from 'https://cdn.skypack.dev/dtms';
</script>

README

dtms - CSS d[uration|elay] to milliseconds

dtms is <time> of CSS parse in to milliseconds for JavaScript.

import { dtms } from 'dtms'
dtms('0.2s') // returns 200 (milliseconds)
dtms('2s') // returns 2000 (milliseconds)
dtms('0s') // returns 0 (milliseconds)
dtms('-1s') // returns -1000 may not working with transition

// Not Allowed
dtms('') // Not alllowed empty string.
dtms('2m') // Only support ms and s from CSS specification

Why only support milliseconds?

CSS <time> is only 'ms' and 's'.

https://developer.mozilla.org/en-US/docs/Web/CSS/time