Convert a javascript object into a string of sass variables

jsToScss.js

/**
 * @name jsToSassVariables
 * @param {Object} obj
 * @returns {String}
 */
function jsToSassVariables(obj) {
  const { stringify, parse } = JSON

  // remove null, undefined values and functions
  const objStr = stringify(obj)

  const objParsed = parse(objStr, (key, value) => {
    if (key.length === 0) return value

    // lists
    if (Array.isArray(value)) {
      return value.join(', ')
    }

    if (typeof value === 'number' || typeof value === 'boolean') {
      return value.toString()
    }

    // object to sass   map
    if (value instanceof Object) {
      let subkeys = '('
      subkeys += Object.keys(value)
        .map(subkey => `"${subkey}": ${value[subkey] || ''}`)
        .join(', ')
      subkeys += ')'
      return subkeys
    }

    // default
    return value
  })

  const objAsStrings = Object.keys(objParsed).map(varName => {
    return `$${varName}: unquote(${JSON.stringify(objParsed[varName])})`
  })

  const resString = objAsStrings.join('; ') + ';'

  return resString
}

module.exports = jsToSassVariables;