Function t

src/utils/localization-helper.js:8–57

(message, locale, interpolation = null)

import I18n from 'locale';

export const t = (message, locale, interpolation = null) => {
  let translation = I18n.t(message, locale, interpolation);

  if (translation === '') {
    translation = message;
  }

  const componentPlaceholdersReg = /({([^}]+)})/g;

  const retval = [];

  let ongoing = '';
  let lastIndex = 0;
  let key = 0;

  translation.replace(
    componentPlaceholdersReg,
    (match, placeholder, name, index) => {
      key += 1;
      ongoing += translation.substring(lastIndex, index);
      const value = interpolation[name];
      const type = typeof value;

      if (type === 'undefined') {
        ongoing += '[unknown placeholder]';
      } else if (type === 'object') {
        retval.push(ongoing);
        retval.push(React.cloneElement(value, { key }));
        ongoing = '';
      } else if (type === 'string' || type === 'number') {
        ongoing += value;
      }
      lastIndex = index + match.length;
    }
  );

  if (lastIndex < translation.length) {
    ongoing += translation.substring(lastIndex);
  }

  if (ongoing.length) {
    retval.push(ongoing);
  }

  if (retval.length === 1) {
    return retval[0];
  }

  return retval;
};

export const getLocale = () => {
  // If for some reason a locale cannot be determined, fall back to defaultLocale.