@pega/dx-component-builder-sdk

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Utility for building custom UI components
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text/typescript
// eslint-disable-next-line import/no-named-default
import { default as CurrencyAlias } from '@pega/react-sdk-components/lib/components/helpers/formatters/Currency';
// eslint-disable-next-line import/no-named-default
import { default as CurrencyMapAlias } from '@pega/react-sdk-components/lib/components/helpers/formatters/CurrencyMap';

export const getCurrencyOptions = (inISOCode: string) => {
  const operatorLocale = PCore.getEnvironmentInfo().getUseLocale() || PCore.getEnvironmentInfo().getLocale() || 'en-US';

  let currMapToUse = CurrencyMapAlias.US;
  let localeToUse = operatorLocale;

  // Determine CurrencyMap lookup based on ISO code (if specified).
  //  If no ISO code, use locale
  //  If no locale, default to US
  if (inISOCode) {
    if (inISOCode === 'EUR') {
      currMapToUse = CurrencyMapAlias.NL;
      localeToUse = 'nl-NL';
    } else {
      // For all other ISO codes, use first 2 characters as the lookup from CurrencyMap
      const countryCode = inISOCode.substring(0, 2);
      currMapToUse = CurrencyMapAlias[countryCode];
    }
  } else if (operatorLocale) {
    // No ISO Code so check for operator locale (and force upper case for lookup)
    const countryCode = operatorLocale.substring(3).toUpperCase();
    currMapToUse = CurrencyMapAlias[countryCode];
  } else {
    // no ISO code and no operator locale, default to US
    currMapToUse = CurrencyMapAlias.US;
  }

  // If no currMapToUse at this point, default to US as a failsafe
  if (!currMapToUse) {
    currMapToUse = CurrencyMapAlias.US;
  }

  const theCode = currMapToUse.currencyCode.substring(0, 3);
  return { locale: localeToUse, style: 'currency', currency: theCode };
};

export const getCurrencyCharacters = (inISOCode: string) => {
  const theCurrencyChars = {
    theCurrencySymbol: '$',
    theDecimalIndicator: '.',
    theDigitGroupSeparator: ','
  };

  const theCurrencyOptions = getCurrencyOptions(inISOCode);

  const testValue = 1234.56;
  const formattedString = CurrencyAlias.Currency(testValue, theCurrencyOptions);

  // console.log(`formattedString: ${formattedString}`);

  // Here, we have the formatted string (ex: $1,234.56) where:
  //  Currency symbol = formattedString[0]
  //  Separator = formattedString[2]
  //  DecimalIndicator = formattedString[6];

  theCurrencyChars.theCurrencySymbol = formattedString[0];
  theCurrencyChars.theDigitGroupSeparator = formattedString[2];
  theCurrencyChars.theDecimalIndicator = formattedString[6];

  // console.log(`theCurrencyChars: symbol: ${theCurrencyChars.theCurrencySymbol} | theDigitGroupSeparator: ${theCurrencyChars.theDigitGroupSeparator} | theDecimalIndicator: ${theCurrencyChars.theDecimalIndicator}`);

  return theCurrencyChars;
};