Currency format

index.js

const reverseString = (s) =>
  s.split('').reverse().join('')

export const currency = (amount = 0, currencyCode, lang) => {
  try {
    const decimalSep = lang === 'fr' ? ',' : '.'
    const thousandSep = lang === 'fr' ? ' ' : ','

    const [ integer, decimal ] = amount.toFixed(2).split('.')
    const delim = reverseString(reverseString(integer).replace(/(\d{3})(?=\d)/g,  `\$1${thousandSep}`))

    if (lang === 'fr') {
      return `${delim}${decimalSep}${decimal} ${currencyCode}`
    } else {
      return `${currencyCode} ${delim}${decimalSep}${decimal}`
    }
  } catch (err) {
    return ""
  }
}