suzhou-numerals

import * as suzhouNumerals from 'https://deno.land/x/suzhou_numerals/mod.ts'
console.log(suzhouNumerals.encode('123')) // '〡二〣'

<script type="module">
import * as suzhouNumerals from 'https://cdn.jsdelivr.net/gh/weakish/suzhou-numerals@master/mod.js'
console.log(suzhouNumerals.decode('〡二〣')) // '123'
</stript>