@gateway.fm/gtw-dvf-client-js/src/lib/dvf/token/maxQuantizedDecimalPlaces.js

DVF client js lib with gateway.fm rpc endpoints

const BN = require('bignumber.js')

module.exports = (dvf, token) => {
  const tokenInfo = dvf.token.getTokenInfo(token)
  const quantizedUnit = new BN(10).pow(tokenInfo.decimals).div(tokenInfo.quantization).toString()
  return (quantizedUnit.length-1)
}