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93 lines
2.5 KiB
JavaScript
93 lines
2.5 KiB
JavaScript
;(function(y18n){
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"use strict";
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// Default options
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var defaultOptions = {
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defaultLocale: "en",
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locale: "en",
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placeholder: /(?:\{\{|%\{)(.*?)(?:\}\}?)/gm,
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translations: {},
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}
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/**
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* Initialization
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*/
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y18n.init = function() {
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// Merge options with defaults.
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for (var key in defaultOptions) {
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y18n[key] = (typeof y18n[key] !== 'undefined') ? y18n[key] : defaultOptions[key];
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}
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}
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y18n.init();
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/**
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* Translation
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*/
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y18n.translate = function(key, options) {
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options = options || {'locale' : y18n.locale};
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options.locale = options.locale || y18n.locale;
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// Get translation
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var translation = this.lookup(key, options);
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// Translation fallback
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if ((typeof translation === 'undefined' || translation === key) && options.locale !== y18n.defaultLocale) {
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options.locale = y18n.defaultLocale;
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return this.translate(key, options);
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}
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// Variables remplacement
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return (translation) ? translation.printf(options) : key;
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}
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y18n.lookup = function(key, options) {
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// Default locale
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if (typeof options.locale === 'undefined') {
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options.locale = y18n.locale;
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}
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// Get translation string
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if (typeof y18n.translations[options.locale] !== 'undefined') {
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if (typeof y18n.translations[options.locale][key] !== 'undefined') {
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return y18n.translations[options.locale][key];
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}
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}
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}
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// Save some typing
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y18n.t = y18n.translate;
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})(typeof(exports) === 'undefined' ? (this.y18n || (this.y18n = {})) : exports);
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// http://monocleglobe.wordpress.com/2010/01/12/everybody-needs-a-little-printf-in-their-javascript/
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String.prototype.printf = function (obj) {
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var useArguments = false;
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var _arguments = arguments;
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var i = -1;
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if (typeof _arguments[0] == "string") {
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useArguments = true;
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}
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if (obj instanceof Array || useArguments) {
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return this.replace(/\%s/g,
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function (a, b) {
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i++;
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if (useArguments) {
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if (typeof _arguments[i] == 'string') {
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return _arguments[i];
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}
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else {
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throw new Error("Arguments element is an invalid type");
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}
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}
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return obj[i];
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});
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}
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else {
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return this.replace(/{([^{}]*)}/g,
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function (a, b) {
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var r = obj[b];
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return typeof r === 'string' || typeof r === 'number' ? r : a;
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});
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}
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};
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