mirror of https://github.com/tc39/test262.git
1159 lines
34 KiB
JavaScript
1159 lines
34 KiB
JavaScript
// Copyright (C) 2011 2012 Norbert Lindenberg. All rights reserved.
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// Copyright (C) 2012 2013 Mozilla Corporation. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: |
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This file contains shared functions for the tests in the conformance test
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suite for the ECMAScript Internationalization API.
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author: Norbert Lindenberg
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---*/
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/**
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*/
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/**
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* @description Calls the provided function for every service constructor in
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* the Intl object.
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* @param {Function} f the function to call for each service constructor in
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* the Intl object.
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* @param {Function} Constructor the constructor object to test with.
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*/
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function testWithIntlConstructors(f) {
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var constructors = ["Collator", "NumberFormat", "DateTimeFormat"];
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// Optionally supported Intl constructors.
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["PluralRules"].forEach(function(constructor) {
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if (typeof Intl[constructor] === "function") {
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constructors[constructors.length] = constructor;
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}
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});
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constructors.forEach(function (constructor) {
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var Constructor = Intl[constructor];
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try {
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f(Constructor);
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} catch (e) {
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e.message += " (Testing with " + constructor + ".)";
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throw e;
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}
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});
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}
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/**
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* Taints a named data property of the given object by installing
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* a setter that throws an exception.
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* @param {object} obj the object whose data property to taint
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* @param {string} property the property to taint
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*/
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function taintDataProperty(obj, property) {
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Object.defineProperty(obj, property, {
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set: function(value) {
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$ERROR("Client code can adversely affect behavior: setter for " + property + ".");
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},
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enumerable: false,
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configurable: true
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});
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}
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/**
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* Taints a named method of the given object by replacing it with a function
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* that throws an exception.
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* @param {object} obj the object whose method to taint
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* @param {string} property the name of the method to taint
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*/
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function taintMethod(obj, property) {
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Object.defineProperty(obj, property, {
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value: function() {
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$ERROR("Client code can adversely affect behavior: method " + property + ".");
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},
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writable: true,
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enumerable: false,
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configurable: true
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});
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}
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/**
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* Taints the given properties (and similarly named properties) by installing
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* setters on Object.prototype that throw exceptions.
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* @param {Array} properties an array of property names to taint
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*/
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function taintProperties(properties) {
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properties.forEach(function (property) {
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var adaptedProperties = [property, "__" + property, "_" + property, property + "_", property + "__"];
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adaptedProperties.forEach(function (property) {
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taintDataProperty(Object.prototype, property);
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});
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});
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}
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/**
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* Taints the Array object by creating a setter for the property "0" and
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* replacing some key methods with functions that throw exceptions.
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*/
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function taintArray() {
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taintDataProperty(Array.prototype, "0");
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taintMethod(Array.prototype, "indexOf");
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taintMethod(Array.prototype, "join");
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taintMethod(Array.prototype, "push");
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taintMethod(Array.prototype, "slice");
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taintMethod(Array.prototype, "sort");
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}
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/**
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* Gets locale support info for the given constructor object, which must be one
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* of Intl constructors.
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* @param {object} Constructor the constructor for which to get locale support info
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* @return {object} locale support info with the following properties:
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* supported: array of fully supported language tags
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* byFallback: array of language tags that are supported through fallbacks
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* unsupported: array of unsupported language tags
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*/
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function getLocaleSupportInfo(Constructor) {
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var languages = ["zh", "es", "en", "hi", "ur", "ar", "ja", "pa"];
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var scripts = ["Latn", "Hans", "Deva", "Arab", "Jpan", "Hant"];
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var countries = ["CN", "IN", "US", "PK", "JP", "TW", "HK", "SG"];
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var allTags = [];
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var i, j, k;
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var language, script, country;
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for (i = 0; i < languages.length; i++) {
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language = languages[i];
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allTags.push(language);
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for (j = 0; j < scripts.length; j++) {
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script = scripts[j];
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allTags.push(language + "-" + script);
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for (k = 0; k < countries.length; k++) {
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country = countries[k];
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allTags.push(language + "-" + script + "-" + country);
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}
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}
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for (k = 0; k < countries.length; k++) {
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country = countries[k];
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allTags.push(language + "-" + country);
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}
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}
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var supported = [];
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var byFallback = [];
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var unsupported = [];
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for (i = 0; i < allTags.length; i++) {
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var request = allTags[i];
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var result = new Constructor([request], {localeMatcher: "lookup"}).resolvedOptions().locale;
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if (request === result) {
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supported.push(request);
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} else if (request.indexOf(result) === 0) {
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byFallback.push(request);
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} else {
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unsupported.push(request);
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}
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}
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return {
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supported: supported,
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byFallback: byFallback,
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unsupported: unsupported
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};
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}
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/**
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* @description Tests whether locale is a String value representing a
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* structurally valid and canonicalized BCP 47 language tag, as defined in
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* sections 6.2.2 and 6.2.3 of the ECMAScript Internationalization API
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* Specification.
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* @param {String} locale the string to be tested.
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* @result {Boolean} whether the test succeeded.
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*/
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function isCanonicalizedStructurallyValidLanguageTag(locale) {
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/**
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* Regular expression defining BCP 47 language tags.
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*
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* Spec: RFC 5646 section 2.1.
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*/
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var alpha = "[a-zA-Z]",
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digit = "[0-9]",
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alphanum = "(" + alpha + "|" + digit + ")",
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regular = "(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)",
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irregular = "(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)",
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grandfathered = "(" + irregular + "|" + regular + ")",
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privateuse = "(x(-[a-z0-9]{1,8})+)",
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singleton = "(" + digit + "|[A-WY-Za-wy-z])",
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extension = "(" + singleton + "(-" + alphanum + "{2,8})+)",
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variant = "(" + alphanum + "{5,8}|(" + digit + alphanum + "{3}))",
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region = "(" + alpha + "{2}|" + digit + "{3})",
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script = "(" + alpha + "{4})",
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extlang = "(" + alpha + "{3}(-" + alpha + "{3}){0,2})",
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language = "(" + alpha + "{2,3}(-" + extlang + ")?|" + alpha + "{4}|" + alpha + "{5,8})",
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langtag = language + "(-" + script + ")?(-" + region + ")?(-" + variant + ")*(-" + extension + ")*(-" + privateuse + ")?",
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languageTag = "^(" + langtag + "|" + privateuse + "|" + grandfathered + ")$",
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languageTagRE = new RegExp(languageTag, "i");
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var duplicateSingleton = "-" + singleton + "-(.*-)?\\1(?!" + alphanum + ")",
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duplicateSingletonRE = new RegExp(duplicateSingleton, "i"),
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duplicateVariant = "(" + alphanum + "{2,8}-)+" + variant + "-(" + alphanum + "{2,8}-)*\\3(?!" + alphanum + ")",
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duplicateVariantRE = new RegExp(duplicateVariant, "i");
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/**
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* Verifies that the given string is a well-formed BCP 47 language tag
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* with no duplicate variant or singleton subtags.
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*
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* Spec: ECMAScript Internationalization API Specification, draft, 6.2.2.
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*/
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function isStructurallyValidLanguageTag(locale) {
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if (!languageTagRE.test(locale)) {
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return false;
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}
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locale = locale.split(/-x-/)[0];
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return !duplicateSingletonRE.test(locale) && !duplicateVariantRE.test(locale);
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}
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/**
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* Mappings from complete tags to preferred values.
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*
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* Spec: IANA Language Subtag Registry.
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*/
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var __tagMappings = {
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// property names must be in lower case; values in canonical form
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// grandfathered tags from IANA language subtag registry, file date 2017-12-14
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"art-lojban": "jbo",
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"cel-gaulish": "cel-gaulish",
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"en-gb-oed": "en-GB-oxendict",
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"i-ami": "ami",
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"i-bnn": "bnn",
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"i-default": "i-default",
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"i-enochian": "i-enochian",
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"i-hak": "hak",
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"i-klingon": "tlh",
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"i-lux": "lb",
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"i-mingo": "i-mingo",
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"i-navajo": "nv",
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"i-pwn": "pwn",
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"i-tao": "tao",
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"i-tay": "tay",
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"i-tsu": "tsu",
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"no-bok": "nb",
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"no-nyn": "nn",
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"sgn-be-fr": "sfb",
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"sgn-be-nl": "vgt",
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"sgn-ch-de": "sgg",
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"zh-guoyu": "cmn",
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"zh-hakka": "hak",
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"zh-min": "zh-min",
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"zh-min-nan": "nan",
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"zh-xiang": "hsn",
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// deprecated redundant tags from IANA language subtag registry, file date 2017-12-14
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"sgn-br": "bzs",
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"sgn-co": "csn",
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"sgn-de": "gsg",
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"sgn-dk": "dsl",
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"sgn-es": "ssp",
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"sgn-fr": "fsl",
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"sgn-gb": "bfi",
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"sgn-gr": "gss",
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"sgn-ie": "isg",
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"sgn-it": "ise",
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"sgn-jp": "jsl",
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"sgn-mx": "mfs",
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"sgn-ni": "ncs",
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"sgn-nl": "dse",
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"sgn-no": "nsl",
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"sgn-pt": "psr",
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"sgn-se": "swl",
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"sgn-us": "ase",
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"sgn-za": "sfs",
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"zh-cmn": "cmn",
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"zh-cmn-hans": "cmn-Hans",
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"zh-cmn-hant": "cmn-Hant",
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"zh-gan": "gan",
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"zh-wuu": "wuu",
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"zh-yue": "yue",
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// deprecated variant with prefix from IANA language subtag registry, file date 2017-12-14
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"ja-latn-hepburn-heploc": "ja-Latn-alalc97"
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};
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/**
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* Mappings from non-extlang subtags to preferred values.
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*
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* Spec: IANA Language Subtag Registry.
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*/
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var __subtagMappings = {
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// property names and values must be in canonical case
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// language subtags with Preferred-Value mappings from IANA language subtag registry, file date 2017-12-14
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"in": "id",
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"iw": "he",
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"ji": "yi",
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"jw": "jv",
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"mo": "ro",
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"aam": "aas",
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"adp": "dz",
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"aue": "ktz",
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"ayx": "nun",
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"bgm": "bcg",
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"bjd": "drl",
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"ccq": "rki",
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"cjr": "mom",
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"cka": "cmr",
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"cmk": "xch",
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"coy": "pij",
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"cqu": "quh",
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"drh": "khk",
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"drw": "prs",
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"gav": "dev",
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"gfx": "vaj",
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"ggn": "gvr",
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"gti": "nyc",
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"guv": "duz",
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"hrr": "jal",
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"ibi": "opa",
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"ilw": "gal",
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"jeg": "oyb",
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"kgc": "tdf",
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"kgh": "kml",
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"koj": "kwv",
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"krm": "bmf",
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"ktr": "dtp",
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"kvs": "gdj",
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"kwq": "yam",
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"kxe": "tvd",
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"kzj": "dtp",
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"kzt": "dtp",
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"lii": "raq",
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"lmm": "rmx",
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"meg": "cir",
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"mst": "mry",
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"mwj": "vaj",
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"myt": "mry",
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"nad": "xny",
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"nnx": "ngv",
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"nts": "pij",
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"oun": "vaj",
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"pcr": "adx",
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"pmc": "huw",
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"pmu": "phr",
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"ppa": "bfy",
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"ppr": "lcq",
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"pry": "prt",
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"puz": "pub",
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"sca": "hle",
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"skk": "oyb",
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"tdu": "dtp",
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"thc": "tpo",
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"thx": "oyb",
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"tie": "ras",
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"tkk": "twm",
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"tlw": "weo",
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"tmp": "tyj",
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"tne": "kak",
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"tnf": "prs",
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"tsf": "taj",
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"uok": "ema",
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"xba": "cax",
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"xia": "acn",
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"xkh": "waw",
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"xsj": "suj",
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"ybd": "rki",
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"yma": "lrr",
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"ymt": "mtm",
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"yos": "zom",
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"yuu": "yug",
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// region subtags with Preferred-Value mappings from IANA language subtag registry, file date 2017-12-14
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"BU": "MM",
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"DD": "DE",
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"FX": "FR",
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"TP": "TL",
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"YD": "YE",
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"ZR": "CD"
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};
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/**
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* Mappings from extlang subtags to preferred values.
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*
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* Spec: IANA Language Subtag Registry.
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*/
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var __extlangMappings = {
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// extlang subtags with Preferred-Value mappings from IANA language subtag registry, file date 2017-12-14
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// values are arrays with [0] the replacement value, [1] (if present) the prefix to be removed
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"aao": ["aao", "ar"],
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"abh": ["abh", "ar"],
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"abv": ["abv", "ar"],
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"acm": ["acm", "ar"],
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"acq": ["acq", "ar"],
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"acw": ["acw", "ar"],
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"acx": ["acx", "ar"],
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"acy": ["acy", "ar"],
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"adf": ["adf", "ar"],
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"ads": ["ads", "sgn"],
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"aeb": ["aeb", "ar"],
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"aec": ["aec", "ar"],
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"aed": ["aed", "sgn"],
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"aen": ["aen", "sgn"],
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"afb": ["afb", "ar"],
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"afg": ["afg", "sgn"],
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"ajp": ["ajp", "ar"],
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"apc": ["apc", "ar"],
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"apd": ["apd", "ar"],
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"arb": ["arb", "ar"],
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"arq": ["arq", "ar"],
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"ars": ["ars", "ar"],
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"ary": ["ary", "ar"],
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"arz": ["arz", "ar"],
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"ase": ["ase", "sgn"],
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"asf": ["asf", "sgn"],
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"asp": ["asp", "sgn"],
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"asq": ["asq", "sgn"],
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"asw": ["asw", "sgn"],
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||
"auz": ["auz", "ar"],
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"avl": ["avl", "ar"],
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"ayh": ["ayh", "ar"],
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"ayl": ["ayl", "ar"],
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"ayn": ["ayn", "ar"],
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"ayp": ["ayp", "ar"],
|
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"bbz": ["bbz", "ar"],
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"bfi": ["bfi", "sgn"],
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"bfk": ["bfk", "sgn"],
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||
"bjn": ["bjn", "ms"],
|
||
"bog": ["bog", "sgn"],
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||
"bqn": ["bqn", "sgn"],
|
||
"bqy": ["bqy", "sgn"],
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||
"btj": ["btj", "ms"],
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||
"bve": ["bve", "ms"],
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"bvl": ["bvl", "sgn"],
|
||
"bvu": ["bvu", "ms"],
|
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"bzs": ["bzs", "sgn"],
|
||
"cdo": ["cdo", "zh"],
|
||
"cds": ["cds", "sgn"],
|
||
"cjy": ["cjy", "zh"],
|
||
"cmn": ["cmn", "zh"],
|
||
"coa": ["coa", "ms"],
|
||
"cpx": ["cpx", "zh"],
|
||
"csc": ["csc", "sgn"],
|
||
"csd": ["csd", "sgn"],
|
||
"cse": ["cse", "sgn"],
|
||
"csf": ["csf", "sgn"],
|
||
"csg": ["csg", "sgn"],
|
||
"csl": ["csl", "sgn"],
|
||
"csn": ["csn", "sgn"],
|
||
"csq": ["csq", "sgn"],
|
||
"csr": ["csr", "sgn"],
|
||
"czh": ["czh", "zh"],
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||
"czo": ["czo", "zh"],
|
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"doq": ["doq", "sgn"],
|
||
"dse": ["dse", "sgn"],
|
||
"dsl": ["dsl", "sgn"],
|
||
"dup": ["dup", "ms"],
|
||
"ecs": ["ecs", "sgn"],
|
||
"esl": ["esl", "sgn"],
|
||
"esn": ["esn", "sgn"],
|
||
"eso": ["eso", "sgn"],
|
||
"eth": ["eth", "sgn"],
|
||
"fcs": ["fcs", "sgn"],
|
||
"fse": ["fse", "sgn"],
|
||
"fsl": ["fsl", "sgn"],
|
||
"fss": ["fss", "sgn"],
|
||
"gan": ["gan", "zh"],
|
||
"gds": ["gds", "sgn"],
|
||
"gom": ["gom", "kok"],
|
||
"gse": ["gse", "sgn"],
|
||
"gsg": ["gsg", "sgn"],
|
||
"gsm": ["gsm", "sgn"],
|
||
"gss": ["gss", "sgn"],
|
||
"gus": ["gus", "sgn"],
|
||
"hab": ["hab", "sgn"],
|
||
"haf": ["haf", "sgn"],
|
||
"hak": ["hak", "zh"],
|
||
"hds": ["hds", "sgn"],
|
||
"hji": ["hji", "ms"],
|
||
"hks": ["hks", "sgn"],
|
||
"hos": ["hos", "sgn"],
|
||
"hps": ["hps", "sgn"],
|
||
"hsh": ["hsh", "sgn"],
|
||
"hsl": ["hsl", "sgn"],
|
||
"hsn": ["hsn", "zh"],
|
||
"icl": ["icl", "sgn"],
|
||
"iks": ["iks", "sgn"],
|
||
"ils": ["ils", "sgn"],
|
||
"inl": ["inl", "sgn"],
|
||
"ins": ["ins", "sgn"],
|
||
"ise": ["ise", "sgn"],
|
||
"isg": ["isg", "sgn"],
|
||
"isr": ["isr", "sgn"],
|
||
"jak": ["jak", "ms"],
|
||
"jax": ["jax", "ms"],
|
||
"jcs": ["jcs", "sgn"],
|
||
"jhs": ["jhs", "sgn"],
|
||
"jls": ["jls", "sgn"],
|
||
"jos": ["jos", "sgn"],
|
||
"jsl": ["jsl", "sgn"],
|
||
"jus": ["jus", "sgn"],
|
||
"kgi": ["kgi", "sgn"],
|
||
"knn": ["knn", "kok"],
|
||
"kvb": ["kvb", "ms"],
|
||
"kvk": ["kvk", "sgn"],
|
||
"kvr": ["kvr", "ms"],
|
||
"kxd": ["kxd", "ms"],
|
||
"lbs": ["lbs", "sgn"],
|
||
"lce": ["lce", "ms"],
|
||
"lcf": ["lcf", "ms"],
|
||
"liw": ["liw", "ms"],
|
||
"lls": ["lls", "sgn"],
|
||
"lsg": ["lsg", "sgn"],
|
||
"lsl": ["lsl", "sgn"],
|
||
"lso": ["lso", "sgn"],
|
||
"lsp": ["lsp", "sgn"],
|
||
"lst": ["lst", "sgn"],
|
||
"lsy": ["lsy", "sgn"],
|
||
"ltg": ["ltg", "lv"],
|
||
"lvs": ["lvs", "lv"],
|
||
"lzh": ["lzh", "zh"],
|
||
"max": ["max", "ms"],
|
||
"mdl": ["mdl", "sgn"],
|
||
"meo": ["meo", "ms"],
|
||
"mfa": ["mfa", "ms"],
|
||
"mfb": ["mfb", "ms"],
|
||
"mfs": ["mfs", "sgn"],
|
||
"min": ["min", "ms"],
|
||
"mnp": ["mnp", "zh"],
|
||
"mqg": ["mqg", "ms"],
|
||
"mre": ["mre", "sgn"],
|
||
"msd": ["msd", "sgn"],
|
||
"msi": ["msi", "ms"],
|
||
"msr": ["msr", "sgn"],
|
||
"mui": ["mui", "ms"],
|
||
"mzc": ["mzc", "sgn"],
|
||
"mzg": ["mzg", "sgn"],
|
||
"mzy": ["mzy", "sgn"],
|
||
"nan": ["nan", "zh"],
|
||
"nbs": ["nbs", "sgn"],
|
||
"ncs": ["ncs", "sgn"],
|
||
"nsi": ["nsi", "sgn"],
|
||
"nsl": ["nsl", "sgn"],
|
||
"nsp": ["nsp", "sgn"],
|
||
"nsr": ["nsr", "sgn"],
|
||
"nzs": ["nzs", "sgn"],
|
||
"okl": ["okl", "sgn"],
|
||
"orn": ["orn", "ms"],
|
||
"ors": ["ors", "ms"],
|
||
"pel": ["pel", "ms"],
|
||
"pga": ["pga", "ar"],
|
||
"pgz": ["pgz", "sgn"],
|
||
"pks": ["pks", "sgn"],
|
||
"prl": ["prl", "sgn"],
|
||
"prz": ["prz", "sgn"],
|
||
"psc": ["psc", "sgn"],
|
||
"psd": ["psd", "sgn"],
|
||
"pse": ["pse", "ms"],
|
||
"psg": ["psg", "sgn"],
|
||
"psl": ["psl", "sgn"],
|
||
"pso": ["pso", "sgn"],
|
||
"psp": ["psp", "sgn"],
|
||
"psr": ["psr", "sgn"],
|
||
"pys": ["pys", "sgn"],
|
||
"rms": ["rms", "sgn"],
|
||
"rsl": ["rsl", "sgn"],
|
||
"rsm": ["rsm", "sgn"],
|
||
"sdl": ["sdl", "sgn"],
|
||
"sfb": ["sfb", "sgn"],
|
||
"sfs": ["sfs", "sgn"],
|
||
"sgg": ["sgg", "sgn"],
|
||
"sgx": ["sgx", "sgn"],
|
||
"shu": ["shu", "ar"],
|
||
"slf": ["slf", "sgn"],
|
||
"sls": ["sls", "sgn"],
|
||
"sqk": ["sqk", "sgn"],
|
||
"sqs": ["sqs", "sgn"],
|
||
"ssh": ["ssh", "ar"],
|
||
"ssp": ["ssp", "sgn"],
|
||
"ssr": ["ssr", "sgn"],
|
||
"svk": ["svk", "sgn"],
|
||
"swc": ["swc", "sw"],
|
||
"swh": ["swh", "sw"],
|
||
"swl": ["swl", "sgn"],
|
||
"syy": ["syy", "sgn"],
|
||
"szs": ["szs", "sgn"],
|
||
"tmw": ["tmw", "ms"],
|
||
"tse": ["tse", "sgn"],
|
||
"tsm": ["tsm", "sgn"],
|
||
"tsq": ["tsq", "sgn"],
|
||
"tss": ["tss", "sgn"],
|
||
"tsy": ["tsy", "sgn"],
|
||
"tza": ["tza", "sgn"],
|
||
"ugn": ["ugn", "sgn"],
|
||
"ugy": ["ugy", "sgn"],
|
||
"ukl": ["ukl", "sgn"],
|
||
"uks": ["uks", "sgn"],
|
||
"urk": ["urk", "ms"],
|
||
"uzn": ["uzn", "uz"],
|
||
"uzs": ["uzs", "uz"],
|
||
"vgt": ["vgt", "sgn"],
|
||
"vkk": ["vkk", "ms"],
|
||
"vkt": ["vkt", "ms"],
|
||
"vsi": ["vsi", "sgn"],
|
||
"vsl": ["vsl", "sgn"],
|
||
"vsv": ["vsv", "sgn"],
|
||
"wbs": ["wbs", "sgn"],
|
||
"wuu": ["wuu", "zh"],
|
||
"xki": ["xki", "sgn"],
|
||
"xml": ["xml", "sgn"],
|
||
"xmm": ["xmm", "ms"],
|
||
"xms": ["xms", "sgn"],
|
||
"ygs": ["ygs", "sgn"],
|
||
"yhs": ["yhs", "sgn"],
|
||
"ysl": ["ysl", "sgn"],
|
||
"yue": ["yue", "zh"],
|
||
"zib": ["zib", "sgn"],
|
||
"zlm": ["zlm", "ms"],
|
||
"zmi": ["zmi", "ms"],
|
||
"zsl": ["zsl", "sgn"],
|
||
"zsm": ["zsm", "ms"],
|
||
};
|
||
|
||
|
||
/**
|
||
* Canonicalizes the given well-formed BCP 47 language tag, including regularized case of subtags.
|
||
*
|
||
* Spec: ECMAScript Internationalization API Specification, draft, 6.2.3.
|
||
* Spec: RFC 5646, section 4.5.
|
||
*/
|
||
function canonicalizeLanguageTag(locale) {
|
||
|
||
// start with lower case for easier processing, and because most subtags will need to be lower case anyway
|
||
locale = locale.toLowerCase();
|
||
|
||
// handle mappings for complete tags
|
||
if (__tagMappings.hasOwnProperty(locale)) {
|
||
return __tagMappings[locale];
|
||
}
|
||
|
||
var subtags = locale.split("-");
|
||
var i = 0;
|
||
|
||
// handle standard part: all subtags before first singleton or "x"
|
||
while (i < subtags.length) {
|
||
var subtag = subtags[i];
|
||
if (subtag.length === 1 && (i > 0 || subtag === "x")) {
|
||
break;
|
||
} else if (i !== 0 && subtag.length === 2) {
|
||
subtag = subtag.toUpperCase();
|
||
} else if (subtag.length === 4) {
|
||
subtag = subtag[0].toUpperCase() + subtag.substring(1).toLowerCase();
|
||
}
|
||
if (__subtagMappings.hasOwnProperty(subtag)) {
|
||
subtag = __subtagMappings[subtag];
|
||
} else if (__extlangMappings.hasOwnProperty(subtag)) {
|
||
subtag = __extlangMappings[subtag][0];
|
||
if (i === 1 && __extlangMappings[subtag][1] === subtags[0]) {
|
||
subtags.shift();
|
||
i--;
|
||
}
|
||
}
|
||
subtags[i] = subtag;
|
||
i++;
|
||
}
|
||
var normal = subtags.slice(0, i).join("-");
|
||
|
||
// handle extensions
|
||
var extensions = [];
|
||
while (i < subtags.length && subtags[i] !== "x") {
|
||
var extensionStart = i;
|
||
i++;
|
||
while (i < subtags.length && subtags[i].length > 1) {
|
||
i++;
|
||
}
|
||
var extension = subtags.slice(extensionStart, i).join("-");
|
||
extensions.push(extension);
|
||
}
|
||
extensions.sort();
|
||
|
||
// handle private use
|
||
var privateUse;
|
||
if (i < subtags.length) {
|
||
privateUse = subtags.slice(i).join("-");
|
||
}
|
||
|
||
// put everything back together
|
||
var canonical = normal;
|
||
if (extensions.length > 0) {
|
||
canonical += "-" + extensions.join("-");
|
||
}
|
||
if (privateUse !== undefined) {
|
||
if (canonical.length > 0) {
|
||
canonical += "-" + privateUse;
|
||
} else {
|
||
canonical = privateUse;
|
||
}
|
||
}
|
||
|
||
return canonical;
|
||
}
|
||
|
||
return typeof locale === "string" && isStructurallyValidLanguageTag(locale) &&
|
||
canonicalizeLanguageTag(locale) === locale;
|
||
}
|
||
|
||
|
||
/**
|
||
* Tests whether the named options property is correctly handled by the given constructor.
|
||
* @param {object} Constructor the constructor to test.
|
||
* @param {string} property the name of the options property to test.
|
||
* @param {string} type the type that values of the property are expected to have
|
||
* @param {Array} [values] an array of allowed values for the property. Not needed for boolean.
|
||
* @param {any} fallback the fallback value that the property assumes if not provided.
|
||
* @param {object} testOptions additional options:
|
||
* @param {boolean} isOptional whether support for this property is optional for implementations.
|
||
* @param {boolean} noReturn whether the resulting value of the property is not returned.
|
||
* @param {boolean} isILD whether the resulting value of the property is implementation and locale dependent.
|
||
* @param {object} extra additional option to pass along, properties are value -> {option: value}.
|
||
*/
|
||
function testOption(Constructor, property, type, values, fallback, testOptions) {
|
||
var isOptional = testOptions !== undefined && testOptions.isOptional === true;
|
||
var noReturn = testOptions !== undefined && testOptions.noReturn === true;
|
||
var isILD = testOptions !== undefined && testOptions.isILD === true;
|
||
|
||
function addExtraOptions(options, value, testOptions) {
|
||
if (testOptions !== undefined && testOptions.extra !== undefined) {
|
||
var extra;
|
||
if (value !== undefined && testOptions.extra[value] !== undefined) {
|
||
extra = testOptions.extra[value];
|
||
} else if (testOptions.extra.any !== undefined) {
|
||
extra = testOptions.extra.any;
|
||
}
|
||
if (extra !== undefined) {
|
||
Object.getOwnPropertyNames(extra).forEach(function (prop) {
|
||
options[prop] = extra[prop];
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
var testValues, options, obj, expected, actual, error;
|
||
|
||
// test that the specified values are accepted. Also add values that convert to specified values.
|
||
if (type === "boolean") {
|
||
if (values === undefined) {
|
||
values = [true, false];
|
||
}
|
||
testValues = values.slice(0);
|
||
testValues.push(888);
|
||
testValues.push(0);
|
||
} else if (type === "string") {
|
||
testValues = values.slice(0);
|
||
testValues.push({toString: function () { return values[0]; }});
|
||
}
|
||
testValues.forEach(function (value) {
|
||
options = {};
|
||
options[property] = value;
|
||
addExtraOptions(options, value, testOptions);
|
||
obj = new Constructor(undefined, options);
|
||
if (noReturn) {
|
||
if (obj.resolvedOptions().hasOwnProperty(property)) {
|
||
$ERROR("Option property " + property + " is returned, but shouldn't be.");
|
||
}
|
||
} else {
|
||
actual = obj.resolvedOptions()[property];
|
||
if (isILD) {
|
||
if (actual !== undefined && values.indexOf(actual) === -1) {
|
||
$ERROR("Invalid value " + actual + " returned for property " + property + ".");
|
||
}
|
||
} else {
|
||
if (type === "boolean") {
|
||
expected = Boolean(value);
|
||
} else if (type === "string") {
|
||
expected = String(value);
|
||
}
|
||
if (actual !== expected && !(isOptional && actual === undefined)) {
|
||
$ERROR("Option value " + value + " for property " + property +
|
||
" was not accepted; got " + actual + " instead.");
|
||
}
|
||
}
|
||
}
|
||
});
|
||
|
||
// test that invalid values are rejected
|
||
if (type === "string") {
|
||
var invalidValues = ["invalidValue", -1, null];
|
||
// assume that we won't have values in caseless scripts
|
||
if (values[0].toUpperCase() !== values[0]) {
|
||
invalidValues.push(values[0].toUpperCase());
|
||
} else {
|
||
invalidValues.push(values[0].toLowerCase());
|
||
}
|
||
invalidValues.forEach(function (value) {
|
||
options = {};
|
||
options[property] = value;
|
||
addExtraOptions(options, value, testOptions);
|
||
error = undefined;
|
||
try {
|
||
obj = new Constructor(undefined, options);
|
||
} catch (e) {
|
||
error = e;
|
||
}
|
||
if (error === undefined) {
|
||
$ERROR("Invalid option value " + value + " for property " + property + " was not rejected.");
|
||
} else if (error.name !== "RangeError") {
|
||
$ERROR("Invalid option value " + value + " for property " + property + " was rejected with wrong error " + error.name + ".");
|
||
}
|
||
});
|
||
}
|
||
|
||
// test that fallback value or another valid value is used if no options value is provided
|
||
if (!noReturn) {
|
||
options = {};
|
||
addExtraOptions(options, undefined, testOptions);
|
||
obj = new Constructor(undefined, options);
|
||
actual = obj.resolvedOptions()[property];
|
||
if (!(isOptional && actual === undefined)) {
|
||
if (fallback !== undefined) {
|
||
if (actual !== fallback) {
|
||
$ERROR("Option fallback value " + fallback + " for property " + property +
|
||
" was not used; got " + actual + " instead.");
|
||
}
|
||
} else {
|
||
if (values.indexOf(actual) === -1 && !(isILD && actual === undefined)) {
|
||
$ERROR("Invalid value " + actual + " returned for property " + property + ".");
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* Properties of the RegExp constructor that may be affected by use of regular
|
||
* expressions, and the default values of these properties. Properties are from
|
||
* https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Deprecated_and_obsolete_features#RegExp_Properties
|
||
*/
|
||
var regExpProperties = ["$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9",
|
||
"$_", "$*", "$&", "$+", "$`", "$'",
|
||
"input", "lastMatch", "lastParen", "leftContext", "rightContext"
|
||
];
|
||
|
||
var regExpPropertiesDefaultValues = (function () {
|
||
var values = Object.create(null);
|
||
regExpProperties.forEach(function (property) {
|
||
values[property] = RegExp[property];
|
||
});
|
||
return values;
|
||
}());
|
||
|
||
|
||
/**
|
||
* Tests that executing the provided function (which may use regular expressions
|
||
* in its implementation) does not create or modify unwanted properties on the
|
||
* RegExp constructor.
|
||
*/
|
||
function testForUnwantedRegExpChanges(testFunc) {
|
||
regExpProperties.forEach(function (property) {
|
||
RegExp[property] = regExpPropertiesDefaultValues[property];
|
||
});
|
||
testFunc();
|
||
regExpProperties.forEach(function (property) {
|
||
if (RegExp[property] !== regExpPropertiesDefaultValues[property]) {
|
||
$ERROR("RegExp has unexpected property " + property + " with value " +
|
||
RegExp[property] + ".");
|
||
}
|
||
});
|
||
}
|
||
|
||
|
||
/**
|
||
* Tests whether name is a valid BCP 47 numbering system name
|
||
* and not excluded from use in the ECMAScript Internationalization API.
|
||
* @param {string} name the name to be tested.
|
||
* @return {boolean} whether name is a valid BCP 47 numbering system name and
|
||
* allowed for use in the ECMAScript Internationalization API.
|
||
*/
|
||
|
||
function isValidNumberingSystem(name) {
|
||
|
||
// source: CLDR file common/bcp47/number.xml; version CLDR 32.
|
||
var numberingSystems = [
|
||
"adlm",
|
||
"ahom",
|
||
"arab",
|
||
"arabext",
|
||
"armn",
|
||
"armnlow",
|
||
"bali",
|
||
"beng",
|
||
"bhks",
|
||
"brah",
|
||
"cakm",
|
||
"cham",
|
||
"cyrl",
|
||
"deva",
|
||
"ethi",
|
||
"finance",
|
||
"fullwide",
|
||
"geor",
|
||
"gonm",
|
||
"grek",
|
||
"greklow",
|
||
"gujr",
|
||
"guru",
|
||
"hanidays",
|
||
"hanidec",
|
||
"hans",
|
||
"hansfin",
|
||
"hant",
|
||
"hantfin",
|
||
"hebr",
|
||
"hmng",
|
||
"java",
|
||
"jpan",
|
||
"jpanfin",
|
||
"kali",
|
||
"khmr",
|
||
"knda",
|
||
"lana",
|
||
"lanatham",
|
||
"laoo",
|
||
"latn",
|
||
"lepc",
|
||
"limb",
|
||
"mathbold",
|
||
"mathdbl",
|
||
"mathmono",
|
||
"mathsanb",
|
||
"mathsans",
|
||
"mlym",
|
||
"modi",
|
||
"mong",
|
||
"mroo",
|
||
"mtei",
|
||
"mymr",
|
||
"mymrshan",
|
||
"mymrtlng",
|
||
"native",
|
||
"newa",
|
||
"nkoo",
|
||
"olck",
|
||
"orya",
|
||
"osma",
|
||
"roman",
|
||
"romanlow",
|
||
"saur",
|
||
"shrd",
|
||
"sind",
|
||
"sinh",
|
||
"sora",
|
||
"sund",
|
||
"takr",
|
||
"talu",
|
||
"taml",
|
||
"tamldec",
|
||
"telu",
|
||
"thai",
|
||
"tirh",
|
||
"tibt",
|
||
"traditio",
|
||
"vaii",
|
||
"wara",
|
||
];
|
||
|
||
var excluded = [
|
||
"finance",
|
||
"native",
|
||
"traditio"
|
||
];
|
||
|
||
|
||
return numberingSystems.indexOf(name) !== -1 && excluded.indexOf(name) === -1;
|
||
}
|
||
|
||
|
||
/**
|
||
* Provides the digits of numbering systems with simple digit mappings,
|
||
* as specified in 11.3.2.
|
||
*/
|
||
|
||
var numberingSystemDigits = {
|
||
arab: "٠١٢٣٤٥٦٧٨٩",
|
||
arabext: "۰۱۲۳۴۵۶۷۸۹",
|
||
bali: "\u1B50\u1B51\u1B52\u1B53\u1B54\u1B55\u1B56\u1B57\u1B58\u1B59",
|
||
beng: "০১২৩৪৫৬৭৮৯",
|
||
deva: "०१२३४५६७८९",
|
||
fullwide: "０１２３４５６７８９",
|
||
gujr: "૦૧૨૩૪૫૬૭૮૯",
|
||
guru: "੦੧੨੩੪੫੬੭੮੯",
|
||
hanidec: "〇一二三四五六七八九",
|
||
khmr: "០១២៣៤៥៦៧៨៩",
|
||
knda: "೦೧೨೩೪೫೬೭೮೯",
|
||
laoo: "໐໑໒໓໔໕໖໗໘໙",
|
||
latn: "0123456789",
|
||
limb: "\u1946\u1947\u1948\u1949\u194A\u194B\u194C\u194D\u194E\u194F",
|
||
mlym: "൦൧൨൩൪൫൬൭൮൯",
|
||
mong: "᠐᠑᠒᠓᠔᠕᠖᠗᠘᠙",
|
||
mymr: "၀၁၂၃၄၅၆၇၈၉",
|
||
orya: "୦୧୨୩୪୫୬୭୮୯",
|
||
tamldec: "௦௧௨௩௪௫௬௭௮௯",
|
||
telu: "౦౧౨౩౪౫౬౭౮౯",
|
||
thai: "๐๑๒๓๔๕๖๗๘๙",
|
||
tibt: "༠༡༢༣༤༥༦༧༨༩"
|
||
};
|
||
|
||
|
||
/**
|
||
* Tests that number formatting is handled correctly. The function checks that the
|
||
* digit sequences in formatted output are as specified, converted to the
|
||
* selected numbering system, and embedded in consistent localized patterns.
|
||
* @param {Array} locales the locales to be tested.
|
||
* @param {Array} numberingSystems the numbering systems to be tested.
|
||
* @param {Object} options the options to pass to Intl.NumberFormat. Options
|
||
* must include {useGrouping: false}, and must cause 1.1 to be formatted
|
||
* pre- and post-decimal digits.
|
||
* @param {Object} testData maps input data (in ES5 9.3.1 format) to expected output strings
|
||
* in unlocalized format with Western digits.
|
||
*/
|
||
|
||
function testNumberFormat(locales, numberingSystems, options, testData) {
|
||
locales.forEach(function (locale) {
|
||
numberingSystems.forEach(function (numbering) {
|
||
var digits = numberingSystemDigits[numbering];
|
||
var format = new Intl.NumberFormat([locale + "-u-nu-" + numbering], options);
|
||
|
||
function getPatternParts(positive) {
|
||
var n = positive ? 1.1 : -1.1;
|
||
var formatted = format.format(n);
|
||
var oneoneRE = "([^" + digits + "]*)[" + digits + "]+([^" + digits + "]+)[" + digits + "]+([^" + digits + "]*)";
|
||
var match = formatted.match(new RegExp(oneoneRE));
|
||
if (match === null) {
|
||
$ERROR("Unexpected formatted " + n + " for " +
|
||
format.resolvedOptions().locale + " and options " +
|
||
JSON.stringify(options) + ": " + formatted);
|
||
}
|
||
return match;
|
||
}
|
||
|
||
function toNumbering(raw) {
|
||
return raw.replace(/[0-9]/g, function (digit) {
|
||
return digits[digit.charCodeAt(0) - "0".charCodeAt(0)];
|
||
});
|
||
}
|
||
|
||
function buildExpected(raw, patternParts) {
|
||
var period = raw.indexOf(".");
|
||
if (period === -1) {
|
||
return patternParts[1] + toNumbering(raw) + patternParts[3];
|
||
} else {
|
||
return patternParts[1] +
|
||
toNumbering(raw.substring(0, period)) +
|
||
patternParts[2] +
|
||
toNumbering(raw.substring(period + 1)) +
|
||
patternParts[3];
|
||
}
|
||
}
|
||
|
||
if (format.resolvedOptions().numberingSystem === numbering) {
|
||
// figure out prefixes, infixes, suffixes for positive and negative values
|
||
var posPatternParts = getPatternParts(true);
|
||
var negPatternParts = getPatternParts(false);
|
||
|
||
Object.getOwnPropertyNames(testData).forEach(function (input) {
|
||
var rawExpected = testData[input];
|
||
var patternParts;
|
||
if (rawExpected[0] === "-") {
|
||
patternParts = negPatternParts;
|
||
rawExpected = rawExpected.substring(1);
|
||
} else {
|
||
patternParts = posPatternParts;
|
||
}
|
||
var expected = buildExpected(rawExpected, patternParts);
|
||
var actual = format.format(input);
|
||
if (actual !== expected) {
|
||
$ERROR("Formatted value for " + input + ", " +
|
||
format.resolvedOptions().locale + " and options " +
|
||
JSON.stringify(options) + " is " + actual + "; expected " + expected + ".");
|
||
}
|
||
});
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the components of date-time formats.
|
||
* @return {Array} an array with all date-time components.
|
||
*/
|
||
|
||
function getDateTimeComponents() {
|
||
return ["weekday", "era", "year", "month", "day", "hour", "minute", "second", "timeZoneName"];
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the valid values for the given date-time component, as specified
|
||
* by the table in section 12.1.1.
|
||
* @param {string} component a date-time component.
|
||
* @return {Array} an array with the valid values for the component.
|
||
*/
|
||
|
||
function getDateTimeComponentValues(component) {
|
||
|
||
var components = {
|
||
weekday: ["narrow", "short", "long"],
|
||
era: ["narrow", "short", "long"],
|
||
year: ["2-digit", "numeric"],
|
||
month: ["2-digit", "numeric", "narrow", "short", "long"],
|
||
day: ["2-digit", "numeric"],
|
||
hour: ["2-digit", "numeric"],
|
||
minute: ["2-digit", "numeric"],
|
||
second: ["2-digit", "numeric"],
|
||
timeZoneName: ["short", "long"]
|
||
};
|
||
|
||
var result = components[component];
|
||
if (result === undefined) {
|
||
$ERROR("Internal error: No values defined for date-time component " + component + ".");
|
||
}
|
||
return result;
|
||
}
|
||
|
||
|
||
/**
|
||
* @description Tests whether timeZone is a String value representing a
|
||
* structurally valid and canonicalized time zone name, as defined in
|
||
* sections 6.4.1 and 6.4.2 of the ECMAScript Internationalization API
|
||
* Specification.
|
||
* @param {String} timeZone the string to be tested.
|
||
* @result {Boolean} whether the test succeeded.
|
||
*/
|
||
|
||
function isCanonicalizedStructurallyValidTimeZoneName(timeZone) {
|
||
/**
|
||
* Regular expression defining IANA Time Zone names.
|
||
*
|
||
* Spec: IANA Time Zone Database, Theory file
|
||
*/
|
||
var fileNameComponent = "(?:[A-Za-z_]|\\.(?!\\.?(?:/|$)))[A-Za-z.\\-_]{0,13}";
|
||
var fileName = fileNameComponent + "(?:/" + fileNameComponent + ")*";
|
||
var etcName = "(?:Etc/)?GMT[+-]\\d{1,2}";
|
||
var systemVName = "SystemV/[A-Z]{3}\\d{1,2}(?:[A-Z]{3})?";
|
||
var legacyName = etcName + "|" + systemVName + "|CST6CDT|EST5EDT|MST7MDT|PST8PDT|NZ";
|
||
var zoneNamePattern = new RegExp("^(?:" + fileName + "|" + legacyName + ")$");
|
||
|
||
if (typeof timeZone !== "string") {
|
||
return false;
|
||
}
|
||
// 6.4.2 CanonicalizeTimeZoneName (timeZone), step 3
|
||
if (timeZone === "UTC") {
|
||
return true;
|
||
}
|
||
// 6.4.2 CanonicalizeTimeZoneName (timeZone), step 3
|
||
if (timeZone === "Etc/UTC" || timeZone === "Etc/GMT") {
|
||
return false;
|
||
}
|
||
return zoneNamePattern.test(timeZone);
|
||
}
|