71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
/**
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* Collection of helper functions to deal with localization.
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*/
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import { i18nRecord } from "../models/i18n";
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/**
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* Get the preferred locales from the browser, as an array sorted by preferences.
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*/
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export function getBrowserLocales() {
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let langs = [];
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if (navigator.languages) {
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// Chrome does not currently set navigator.language correctly
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// https://code.google.com/p/chromium/issues/detail?id=101138
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// but it does set the first element of navigator.languages correctly
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langs = navigator.languages;
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} else if (navigator.userLanguage) {
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// IE only
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langs = [navigator.userLanguage];
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} else {
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// as of this writing the latest version of firefox + safari set this correctly
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langs = [navigator.language];
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}
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// Some browsers does not return uppercase for second part
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let locales = langs.map(function (lang) {
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let locale = lang.split("-");
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return locale[1] ? `${locale[0]}-${locale[1].toUpperCase()}` : lang;
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});
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return locales;
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}
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/**
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* Convert an array of messagesDescriptors to a map.
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*/
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export function messagesMap(messagesDescriptorsArray) {
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let messagesDescriptorsMap = {};
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messagesDescriptorsArray.forEach(function (item) {
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messagesDescriptorsMap[item.id] = item;
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});
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return messagesDescriptorsMap;
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}
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/**
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* Format an error message from the state.
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*
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* Error message can be either an i18nRecord, which is to be formatted, or a
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* raw string. This function performs the check and returns the correctly
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* formatted string.
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*
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* @param errorMessage The error message from the state, either plain
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* string or i18nRecord.
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* @param formatMessage react-i18n formatMessage.
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* @param messages List of messages to use for formatting.
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*
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* @return A string for the error.
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*/
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export function handleErrorI18nObject(errorMessage, formatMessage, messages) {
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if (errorMessage instanceof i18nRecord) {
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// If it is an object, format it and return it
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return formatMessage(messages[errorMessage.id], errorMessage.values);
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}
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// Else, it's a string, just return it
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return errorMessage;
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}
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