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ES6ify locale.js
This commit is contained in:
Bryan Housel
@@ -1,21 +1,21 @@
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var translations = Object.create(null);
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var _dataLanguages = {};
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let _translations = Object.create(null);
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let _dataLanguages = {};
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export var currentLocale = 'en';
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export var textDirection = 'ltr';
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export var languageNames = {};
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export var scriptNames = {};
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export let currentLocale = 'en';
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export let textDirection = 'ltr';
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export let languageNames = {};
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export let scriptNames = {};
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export function setLocale(val) {
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if (translations[val] !== undefined) {
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currentLocale = val;
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} else if (translations[val.split('-')[0]]) {
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currentLocale = val.split('-')[0];
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}
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if (_translations[val] !== undefined) {
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currentLocale = val;
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} else if (_translations[val.split('-')[0]]) {
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currentLocale = val.split('-')[0];
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}
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}
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export function addTranslation(id, value) {
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translations[id] = value;
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_translations[id] = value;
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}
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/**
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@@ -23,48 +23,48 @@ export function addTranslation(id, value) {
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* language, and return it. This function will be called recursively
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* with locale `en` if a string can not be found in the requested language.
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*
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* @param {string} s string identifier
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* @param {object?} o object of token replacements and default string
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* @param {string?} loc locale to use
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* @returns {string?} locale string
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* @param {string} s string identifier
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* @param {object?} replacements token replacements and default string
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* @param {string?} locale locale to use (defaults to currentLocale)
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* @returns {string?} localized string
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*/
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export function t(s, o, loc) {
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loc = loc || currentLocale;
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export function t(s, replacements, locale) {
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locale = locale || currentLocale;
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var path = s
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.split('.')
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.map(function (s) { return s.replace(/<TX_DOT>/g, '.'); })
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.reverse();
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let path = s
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.split('.')
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.map(s => s.replace(/<TX_DOT>/g, '.'))
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.reverse();
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var rep = translations[loc];
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let result = _translations[locale];
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while (rep !== undefined && path.length) {
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rep = rep[path.pop()];
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while (result !== undefined && path.length) {
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result = result[path.pop()];
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}
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if (result !== undefined) {
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if (replacements) {
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for (let k in replacements) {
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const token = `{${k}}`;
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const regex = new RegExp(token, 'g');
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result = result.replace(regex, replacements[k]);
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}
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}
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return result;
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}
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if (rep !== undefined) {
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if (o) {
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for (var k in o) {
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var variable = '\\{' + k + '\\}';
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var re = new RegExp(variable, 'g'); // check globally for variables
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rep = rep.replace(re, o[k]);
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}
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}
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return rep;
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}
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if (locale !== 'en') {
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return t(s, replacements, 'en'); // fallback - recurse with 'en'
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}
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if (loc !== 'en') {
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return t(s, o, 'en');
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}
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if (replacements && 'default' in replacements) {
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return replacements.default; // fallback - replacements.default
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}
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if (o && 'default' in o) {
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return o.default;
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}
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const missing = `Missing ${locale} translation: ${s}`;
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if (typeof console !== 'undefined') console.error(missing); // eslint-disable-line
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var missing = 'Missing ' + loc + ' translation: ' + s;
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if (typeof console !== 'undefined') console.error(missing); // eslint-disable-line
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return missing;
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return missing;
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}
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/**
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@@ -73,55 +73,55 @@ export function t(s, o, loc) {
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* @param {string} dir ltr or rtl
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*/
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export function setTextDirection(dir) {
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textDirection = dir;
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textDirection = dir;
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}
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export function setLanguageNames(obj) {
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languageNames = obj;
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languageNames = obj;
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}
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export function setScriptNames(obj) {
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scriptNames = obj;
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scriptNames = obj;
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}
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export function languageName(context, code, options) {
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// Data access is async now, which makes this complicated.
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// If _dataLanguages haven't been loaded yet, try to load them.
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// Worst case, we fallback to the code until the file has been loaded.
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if (!Object.keys(_dataLanguages).length) {
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context.data().get('languages')
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.then(function(d) { _dataLanguages = d; })
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.catch(function() { /* ignore */ });
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// Data access is async now, which makes this complicated.
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// If _dataLanguages haven't been loaded yet, try to load them.
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// Worst case, we fallback to the code until the file has been loaded.
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if (!Object.keys(_dataLanguages).length) {
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context.data().get('languages')
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.then(d => _dataLanguages = d)
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.catch(() => { /* ignore */ });
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}
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if (languageNames[code]) { // name in locale langauge
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// e.g. "German"
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return languageNames[code];
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}
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// sometimes we only want the local name
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if (options && options.localOnly) return null;
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const langInfo = _dataLanguages[code];
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if (langInfo) {
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if (langInfo.nativeName) { // name in native language
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// e.g. "Deutsch (de)"
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return t('translate.language_and_code', { language: langInfo.nativeName, code: code });
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} else if (langInfo.base && langInfo.script) {
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const base = langInfo.base; // the code of the langauge this is based on
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if (languageNames[base]) { // base language name in locale langauge
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const scriptCode = langInfo.script;
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const script = scriptNames[scriptCode] || scriptCode;
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// e.g. "Serbian (Cyrillic)"
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return t('translate.language_and_code', { language: languageNames[base], code: script });
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} else if (_dataLanguages[base] && _dataLanguages[base].nativeName) {
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// e.g. "српски (sr-Cyrl)"
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return t('translate.language_and_code', { language: _dataLanguages[base].nativeName, code: code });
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}
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}
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if (languageNames[code]) { // name in locale langauge
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// e.g. German
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return languageNames[code];
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}
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// sometimes we only want the local name
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if (options && options.localOnly) return null;
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var langInfo = _dataLanguages[code];
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if (langInfo) {
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if (langInfo.nativeName) { // name in native language
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// e.g. Deutsch (de)
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return t('translate.language_and_code', { language: langInfo.nativeName, code: code });
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} else if (langInfo.base && langInfo.script) {
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var base = langInfo.base; // the code of the langauge this is based on
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if (languageNames[base]) { // base language name in locale langauge
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var scriptCode = langInfo.script;
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var script = scriptNames[scriptCode] || scriptCode;
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// e.g. Serbian (Cyrillic)
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return t('translate.language_and_code', { language: languageNames[base], code: script });
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} else if (_dataLanguages[base] && _dataLanguages[base].nativeName) {
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// e.g. српски (sr-Cyrl)
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return t('translate.language_and_code', { language: _dataLanguages[base].nativeName, code: code });
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}
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}
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}
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return code; // if not found, use the code
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}
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}
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return code; // if not found, use the code
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}
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