532 lines
13 KiB
JavaScript
Executable File
532 lines
13 KiB
JavaScript
Executable File
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
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if (!Array.prototype.indexOf) {
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Array.prototype.indexOf = function(searchElement /*, fromIndex */) {
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"use strict";
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if (this === void 0 || this === null) {
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throw new TypeError();
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}
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var t = Object(this);
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var len = t.length >>> 0;
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if (len === 0) {
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return -1;
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}
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var n = 0;
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if (arguments.length > 0) {
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n = Number(arguments[1]);
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if (n !== n) { // shortcut for verifying if it's NaN
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n = 0;
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} else if (n !== 0 && n !== (Infinity) && n !== -(Infinity)) {
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n = (n > 0 || -1) * Math.floor(Math.abs(n));
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}
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}
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if (n >= len) {
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return -1;
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}
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var k = n >= 0
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? n
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: Math.max(len - Math.abs(n), 0);
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for (; k < len; k++) {
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if (k in t && t[k] === searchElement) {
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return k;
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}
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}
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return -1;
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};
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}
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// Instantiate the object
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var I18n = I18n || {};
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// Set default locale to english
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I18n.defaultLocale = "en";
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// Set default handling of translation fallbacks to false
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I18n.fallbacks = false;
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// Set default separator
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I18n.defaultSeparator = ".";
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// Set current locale to null
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I18n.locale = null;
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// Set the placeholder format. Accepts `{{placeholder}}` and `%{placeholder}`.
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I18n.PLACEHOLDER = /(?:\{\{|%\{)(.*?)(?:\}\}?)/gm;
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I18n.fallbackRules = {
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};
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I18n.pluralizationRules = {
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en: function (n) {
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return n == 0 ? ["zero", "none", "other"] : n == 1 ? "one" : "other";
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}
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};
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I18n.getFallbacks = function(locale) {
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if (locale === I18n.defaultLocale) {
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return [];
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} else if (!I18n.fallbackRules[locale]) {
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var rules = []
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, components = locale.split("-");
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for (var l = 1; l < components.length; l++) {
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rules.push(components.slice(0, l).join("-"));
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}
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rules.push(I18n.defaultLocale);
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I18n.fallbackRules[locale] = rules;
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}
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return I18n.fallbackRules[locale];
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}
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I18n.isValidNode = function(obj, node, undefined) {
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return obj[node] !== null && obj[node] !== undefined;
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};
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I18n.lookup = function(scope, options) {
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var options = options || {}
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, lookupInitialScope = scope
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, translations = this.prepareOptions(I18n.translations)
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, locale = options.locale || I18n.currentLocale()
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, messages = translations[locale] || {}
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, options = this.prepareOptions(options)
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, currentScope
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;
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if (typeof(scope) == "object") {
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scope = scope.join(this.defaultSeparator);
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}
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if (options.scope) {
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scope = options.scope.toString() + this.defaultSeparator + scope;
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}
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scope = scope.split(this.defaultSeparator);
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while (messages && scope.length > 0) {
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currentScope = scope.shift();
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messages = messages[currentScope];
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}
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if (!messages) {
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if (I18n.fallbacks) {
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var fallbacks = this.getFallbacks(locale);
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for (var fallback = 0; fallback < fallbacks.length; fallbacks++) {
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messages = I18n.lookup(lookupInitialScope, this.prepareOptions({locale: fallbacks[fallback]}, options));
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if (messages) {
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break;
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}
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}
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}
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if (!messages && this.isValidNode(options, "defaultValue")) {
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messages = options.defaultValue;
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}
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}
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return messages;
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};
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// Merge serveral hash options, checking if value is set before
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// overwriting any value. The precedence is from left to right.
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//
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// I18n.prepareOptions({name: "John Doe"}, {name: "Mary Doe", role: "user"});
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// #=> {name: "John Doe", role: "user"}
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//
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I18n.prepareOptions = function() {
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var options = {}
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, opts
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, count = arguments.length
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;
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for (var i = 0; i < count; i++) {
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opts = arguments[i];
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if (!opts) {
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continue;
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}
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for (var key in opts) {
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if (!this.isValidNode(options, key)) {
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options[key] = opts[key];
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}
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}
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}
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return options;
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};
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I18n.interpolate = function(message, options) {
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options = this.prepareOptions(options);
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var matches = message.match(this.PLACEHOLDER)
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, placeholder
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, value
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, name
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;
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if (!matches) {
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return message;
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}
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for (var i = 0; placeholder = matches[i]; i++) {
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name = placeholder.replace(this.PLACEHOLDER, "$1");
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value = options[name];
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if (!this.isValidNode(options, name)) {
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value = "[missing " + placeholder + " value]";
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}
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regex = new RegExp(placeholder.replace(/\{/gm, "\\{").replace(/\}/gm, "\\}"));
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message = message.replace(regex, value);
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}
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return message;
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};
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I18n.translate = function(scope, options) {
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options = this.prepareOptions(options);
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var translation = this.lookup(scope, options);
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try {
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if (typeof(translation) == "object") {
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if (typeof(options.count) == "number") {
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return this.pluralize(options.count, scope, options);
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} else {
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return translation;
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}
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} else {
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return this.interpolate(translation, options);
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}
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} catch(err) {
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return this.missingTranslation(scope);
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}
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};
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I18n.localize = function(scope, value) {
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switch (scope) {
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case "currency":
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return this.toCurrency(value);
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case "number":
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scope = this.lookup("number.format");
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return this.toNumber(value, scope);
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case "percentage":
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return this.toPercentage(value);
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default:
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if (scope.match(/^(date|time)/)) {
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return this.toTime(scope, value);
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} else {
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return value.toString();
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}
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}
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};
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I18n.parseDate = function(date) {
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var matches, convertedDate;
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// we have a date, so just return it.
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if (typeof(date) == "object") {
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return date;
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};
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// it matches the following formats:
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// yyyy-mm-dd
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// yyyy-mm-dd[ T]hh:mm::ss
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// yyyy-mm-dd[ T]hh:mm::ss
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// yyyy-mm-dd[ T]hh:mm::ssZ
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// yyyy-mm-dd[ T]hh:mm::ss+0000
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//
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matches = date.toString().match(/(\d{4})-(\d{2})-(\d{2})(?:[ T](\d{2}):(\d{2}):(\d{2}))?(Z|\+0000)?/);
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if (matches) {
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for (var i = 1; i <= 6; i++) {
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matches[i] = parseInt(matches[i], 10) || 0;
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}
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// month starts on 0
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matches[2] -= 1;
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if (matches[7]) {
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convertedDate = new Date(Date.UTC(matches[1], matches[2], matches[3], matches[4], matches[5], matches[6]));
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} else {
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convertedDate = new Date(matches[1], matches[2], matches[3], matches[4], matches[5], matches[6]);
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}
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} else if (typeof(date) == "number") {
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// UNIX timestamp
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convertedDate = new Date();
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convertedDate.setTime(date);
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} else if (date.match(/\d+ \d+:\d+:\d+ [+-]\d+ \d+/)) {
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// a valid javascript format with timezone info
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convertedDate = new Date();
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convertedDate.setTime(Date.parse(date))
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} else {
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// an arbitrary javascript string
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convertedDate = new Date();
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convertedDate.setTime(Date.parse(date));
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}
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return convertedDate;
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};
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I18n.toTime = function(scope, d) {
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var date = this.parseDate(d)
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, format = this.lookup(scope)
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;
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if (date.toString().match(/invalid/i)) {
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return date.toString();
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}
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if (!format) {
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return date.toString();
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}
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return this.strftime(date, format);
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};
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I18n.strftime = function(date, format) {
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var options = this.lookup("date");
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if (!options) {
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return date.toString();
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}
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options.meridian = options.meridian || ["AM", "PM"];
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var weekDay = date.getDay()
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, day = date.getDate()
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, year = date.getFullYear()
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, month = date.getMonth() + 1
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, hour = date.getHours()
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, hour12 = hour
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, meridian = hour > 11 ? 1 : 0
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, secs = date.getSeconds()
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, mins = date.getMinutes()
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, offset = date.getTimezoneOffset()
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, absOffsetHours = Math.floor(Math.abs(offset / 60))
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, absOffsetMinutes = Math.abs(offset) - (absOffsetHours * 60)
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, timezoneoffset = (offset > 0 ? "-" : "+") + (absOffsetHours.toString().length < 2 ? "0" + absOffsetHours : absOffsetHours) + (absOffsetMinutes.toString().length < 2 ? "0" + absOffsetMinutes : absOffsetMinutes)
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;
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if (hour12 > 12) {
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hour12 = hour12 - 12;
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} else if (hour12 === 0) {
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hour12 = 12;
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}
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var padding = function(n) {
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var s = "0" + n.toString();
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return s.substr(s.length - 2);
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};
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var f = format;
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f = f.replace("%a", options.abbr_day_names[weekDay]);
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f = f.replace("%A", options.day_names[weekDay]);
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f = f.replace("%b", options.abbr_month_names[month]);
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f = f.replace("%B", options.month_names[month]);
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f = f.replace("%d", padding(day));
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f = f.replace("%e", day);
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f = f.replace("%-d", day);
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f = f.replace("%H", padding(hour));
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f = f.replace("%-H", hour);
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f = f.replace("%I", padding(hour12));
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f = f.replace("%-I", hour12);
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f = f.replace("%m", padding(month));
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f = f.replace("%-m", month);
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f = f.replace("%M", padding(mins));
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f = f.replace("%-M", mins);
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f = f.replace("%p", options.meridian[meridian]);
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f = f.replace("%S", padding(secs));
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f = f.replace("%-S", secs);
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f = f.replace("%w", weekDay);
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f = f.replace("%y", padding(year));
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f = f.replace("%-y", padding(year).replace(/^0+/, ""));
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f = f.replace("%Y", year);
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f = f.replace("%z", timezoneoffset);
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return f;
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};
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I18n.toNumber = function(number, options) {
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options = this.prepareOptions(
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options,
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this.lookup("number.format"),
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{precision: 3, separator: ".", delimiter: ",", strip_insignificant_zeros: false}
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);
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var negative = number < 0
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, string = Math.abs(number).toFixed(options.precision).toString()
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, parts = string.split(".")
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, precision
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, buffer = []
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, formattedNumber
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;
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number = parts[0];
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precision = parts[1];
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while (number.length > 0) {
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buffer.unshift(number.substr(Math.max(0, number.length - 3), 3));
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number = number.substr(0, number.length -3);
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}
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formattedNumber = buffer.join(options.delimiter);
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if (options.precision > 0) {
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formattedNumber += options.separator + parts[1];
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}
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if (negative) {
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formattedNumber = "-" + formattedNumber;
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}
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if (options.strip_insignificant_zeros) {
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var regex = {
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separator: new RegExp(options.separator.replace(/\./, "\\.") + "$")
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, zeros: /0+$/
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};
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formattedNumber = formattedNumber
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.replace(regex.zeros, "")
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.replace(regex.separator, "")
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;
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}
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return formattedNumber;
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};
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I18n.toCurrency = function(number, options) {
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options = this.prepareOptions(
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options,
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this.lookup("number.currency.format"),
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this.lookup("number.format"),
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{unit: "$", precision: 2, format: "%u%n", delimiter: ",", separator: "."}
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);
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number = this.toNumber(number, options);
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number = options.format
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.replace("%u", options.unit)
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.replace("%n", number)
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;
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return number;
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};
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I18n.toHumanSize = function(number, options) {
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var kb = 1024
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, size = number
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, iterations = 0
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, unit
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, precision
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;
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while (size >= kb && iterations < 4) {
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size = size / kb;
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iterations += 1;
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}
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if (iterations === 0) {
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unit = this.t("number.human.storage_units.units.byte", {count: size});
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precision = 0;
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} else {
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unit = this.t("number.human.storage_units.units." + [null, "kb", "mb", "gb", "tb"][iterations]);
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precision = (size - Math.floor(size) === 0) ? 0 : 1;
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}
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options = this.prepareOptions(
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options,
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{precision: precision, format: "%n%u", delimiter: ""}
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);
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number = this.toNumber(size, options);
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number = options.format
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.replace("%u", unit)
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.replace("%n", number)
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;
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return number;
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};
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I18n.toPercentage = function(number, options) {
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options = this.prepareOptions(
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options,
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this.lookup("number.percentage.format"),
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this.lookup("number.format"),
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{precision: 3, separator: ".", delimiter: ""}
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);
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number = this.toNumber(number, options);
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return number + "%";
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};
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I18n.pluralizer = function(locale) {
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pluralizer = this.pluralizationRules[locale];
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if (pluralizer !== undefined) return pluralizer;
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return this.pluralizationRules["en"];
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};
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I18n.findAndTranslateValidNode = function(keys, translation) {
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for (i = 0; i < keys.length; i++) {
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key = keys[i];
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if (this.isValidNode(translation, key)) return translation[key];
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}
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return null;
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};
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I18n.pluralize = function(count, scope, options) {
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var translation;
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try {
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translation = this.lookup(scope, options);
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} catch (error) {}
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if (!translation) {
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return this.missingTranslation(scope);
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}
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var message;
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options = this.prepareOptions(options);
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options.count = count.toString();
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pluralizer = this.pluralizer(this.currentLocale());
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key = pluralizer(Math.abs(count));
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keys = ((typeof key == "object") && (key instanceof Array)) ? key : [key];
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message = this.findAndTranslateValidNode(keys, translation);
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if (message == null) message = this.missingTranslation(scope, keys[0]);
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return this.interpolate(message, options);
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};
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I18n.missingTranslation = function() {
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var message = '[missing "' + this.currentLocale()
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, count = arguments.length
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;
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for (var i = 0; i < count; i++) {
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message += "." + arguments[i];
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}
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message += '" translation]';
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return message;
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};
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I18n.currentLocale = function() {
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return (I18n.locale || I18n.defaultLocale);
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};
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// shortcuts
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I18n.t = I18n.translate;
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I18n.l = I18n.localize;
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I18n.p = I18n.pluralize;
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