ionic-framework
Version:
An advanced HTML5 mobile app framework built on Angular2
63 lines (62 loc) • 1.86 kB
JavaScript
/**
* @private
* Provide multi-language and i18n support in your app. Translate works by
* mapping full strings to language translated ones. That means that you don't
* need to provide strings for your default language, just new languages.
*
* Note: The Angular team will be building an
* [Localization/Internationalization](https://docs.google.com/document/d/1mwyOFsAD-bPoXTk3Hthq0CAcGXCUw-BtTJMR4nGTY-0/view#heading=h.ixg45w3363q)
* provider, so this Translation provider may not be further developed.
*
* @usage
* ```js
* Translate.translations({
* 'de': {
* 'Welcome to MyApp': 'Willkommen auf'
* }
* })
*
* Changing the default language:
*
* Translate.setLanguage('de');
* ```
*
* Usage in a template:
*
* ```js
* <span>{{ 'Welcome to MyApp' | translate }}
* ```
*/
var Translate = (function () {
function Translate() {
this._transMap = {};
this._language = {};
}
Translate.prototype.translations = function (lang, map) {
this._transMap[lang] = map;
};
Translate.prototype.setLanguage = function (lang) {
this._language = lang;
};
Translate.prototype.getTranslations = function (lang) {
return this._transMap[lang];
};
Translate.prototype.translate = function (key, lang) {
// If the language isn't specified and we have no overridden one, return the string passed.
if (!lang && !this._language) {
return key;
}
var setLanguage = lang || this._language;
var map = this.getTranslations(setLanguage);
if (!map) {
void 0;
return '';
}
return this._getTranslation(map, key);
};
Translate.prototype._getTranslation = function (map, key) {
return map && map[key] || '';
};
return Translate;
})();
exports.Translate = Translate;