nuragic

function uniqueStringReducer(str, options) {
  const { splitChar = '', joinChar = ', ', locale = Intl.DateTimeFormat().resolvedOptions().locale } = options || {};
  const strParts = str.split(', ').map(s => s.trim());

  const uniqueAddressParts = strParts.reduce((accumulatedParts, currentPart, i) => {

    const hasDuplicates = accumulatedParts.find(accPart => {
      const isDifferent = (currentPart.localeCompare(accPart, locale, { sensitivity: 'base' }));
      return !isDifferent;
    });