terra-i18n/lib/intlLoaders.js

The terra-i18n package provides on-demand internationalization of React components.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.loadIntl = exports.default = void 0;
var _intlLoaders = _interopRequireDefault(require("intlLoaders"));
var _intlLocalesSupported = _interopRequireDefault(require("intl-locales-supported"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); } /* eslint-disable import/no-unresolved, compat/compat, no-console */
var supportedIntlConstructors = function supportedIntlConstructors() {
  /**
   * Use try-catch to check if Intl is provided by the browser. In some instances checking Intl will throw an
   * error and crash the page with little information.
   *
   * Reference: https://github.com/cerner/terra-core/issues/2820
   */
  var constructors;
  try {
    if ((typeof Intl === "undefined" ? "undefined" : _typeof(Intl)) === 'object' && typeof Intl.DateTimeFormat === 'function' && typeof Intl.NumberFormat === 'function') {
      /**
       * intl-locales-supported accesses the 'supportedLocalesOf' property of each of these constructors.
       * When certain polyfills are used, the polyfill may not have the 'supportedLocalesOf' property.
       * For example, when using the date-time-format-timezone Intl.DateTimeFormat becomes Intl.DateTimeFormatPolyfill which does not support this property.
       *
       * Reference: https://github.com/cerner/terra-core/issues/2914
       */
      if (Object.prototype.hasOwnProperty.call(Intl.DateTimeFormat, 'supportedLocalesOf') && Object.prototype.hasOwnProperty.call(Intl.NumberFormat, 'supportedLocalesOf')) {
        constructors = [Intl.DateTimeFormat, Intl.NumberFormat];
      } else {
        constructors = [];
      }
    }
  } catch (error) {
    constructors = [];
  }
  return constructors;
};
var loadFallbackIntl = function loadFallbackIntl(localeContext) {
  try {
    if (!(0, _intlLocalesSupported.default)(['en'], supportedIntlConstructors())) {
      _intlLoaders.default.en();
    }
    if (process.env.NODE_ENV !== 'production') {
      console.warn("Locale data was not supplied for the ".concat(localeContext, ". Using en data as the fallback locale data."));
    }
  } catch (e) {
    throw new Error("Locale data was not supplied for the ".concat(localeContext, ", or the en fallback locale."));
  }
};
var loadIntl = exports.loadIntl = function loadIntl(locale) {
  var fallbackLocale = locale.split('-').length > 1 ? locale.split('-')[0] : false;
  try {
    if (!(0, _intlLocalesSupported.default)([locale], supportedIntlConstructors())) {
      _intlLoaders.default[locale]();
    }
  } catch (e) {
    if (fallbackLocale) {
      try {
        if (!(0, _intlLocalesSupported.default)([fallbackLocale], supportedIntlConstructors())) {
          _intlLoaders.default[fallbackLocale]();
        }
        if (process.env.NODE_ENV !== 'production') {
          console.warn("Locale data was not supplied for the ".concat(locale, " locale. Using ").concat(fallbackLocale, " data as the fallback locale data."));
        }
      } catch (error) {
        var localeContext = "".concat(locale, " or ").concat(fallbackLocale, " locales");
        loadFallbackIntl(localeContext);
      }
    } else {
      var _localeContext = "".concat(locale, " locale");
      loadFallbackIntl(_localeContext);
    }
  }
};
var _default = exports.default = loadIntl;
/* eslint-enable import/no-unresolved, compat/compat, no-console */