preciseRound.js

/**
 * Round a number to a given decimal point.
 *
 * @function preciseRound
 *
 * @param  {Number}  value      The number to be rounded.
 * @param  {Number}  decimals=1 The decimal places to round to (defaults to 1).
 * @returns {Number} rounded    The final rounded number.
 * @example
 * preciseRound(196.2000702, 1) => 196.2
 */
const preciseRound = (value, decimals = 1) => {
  if (value.constructor !== Number || decimals.constructor !== Number)
    return { ok: false, error: new TypeError('Parameter Must Be A Number') }
  const numSign = value >= 0 ? 1 : -1
  const rounded = 
  Number((Math.round(value * 10 ** decimals + numSign * 0.0001) / 10 **decimals).toFixed(decimals))
  return rounded
}

/* what about Math.round() or Number.toFixed() you say?? 
	those are great for miNUTE numbers, they also have their own problems
*/