From bdb1ef3b478538d2286da986340fa326c14239fa Mon Sep 17 00:00:00 2001
From: "Amir E. Aharoni" <amir.aharoni@mail.huji.ac.il>
Date: Sun, 16 Dec 2012 19:09:08 +0200
Subject: [PATCH] Add isRedirect (from an old Gerrit commit)

---
 src/jquery.uls.data.utils.js | 28 ++++++++++++++++++++++++++++
 test/jquery.uls.test.js      |  6 +++---
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/src/jquery.uls.data.utils.js b/src/jquery.uls.data.utils.js
index 0f290fe..b09fb4d 100644
--- a/src/jquery.uls.data.utils.js
+++ b/src/jquery.uls.data.utils.js
@@ -29,12 +29,28 @@
 		}
 	}
 
+	/**
+	 * Is this language a redirect to another language?
+	 * @param string language code
+	 * @return Target language code if it's a redirect or false if it's not
+	 */
+	$.uls.data.isRedirect = function( language ) {
+		return ( $.uls.data.languages[language] !== undefined &&
+			$.uls.data.languages[language].length === 1 ) ? $.uls.data.languages[language][0] : false;
+	}
+
 	/**
 	 * Returns the script of the language.
 	 * @param string language code
 	 * @return string
 	 */
 	$.uls.data.getScript = function( language ) {
+		var target = $.uls.data.isRedirect( language );
+
+		if ( target ) {
+			return $.uls.data.getScript( target );
+		}
+
 		return $.uls.data.languages[language][0];
 	};
 
@@ -49,6 +65,12 @@
 	 * @return array|string 'UNKNOWN'
 	 */
 	$.uls.data.getRegions = function( language ) {
+		var target = $.uls.data.isRedirect( language );
+
+		if ( target ) {
+			return $.uls.data.getRegions( target );
+		}
+
 		return ( $.uls.data.languages[language] && $.uls.data.languages[language][1] ) || 'UNKNOWN';
 	};
 
@@ -63,6 +85,12 @@
 	 * @return string
 	 */
 	$.uls.data.getAutonym = function( language ) {
+		var target = $.uls.data.isRedirect( language );
+
+		if ( target ) {
+			return $.uls.data.getAutonym( target );
+		}
+
 		return ( $.uls.data.languages[language] && $.uls.data.languages[language][2] ) || language;
 	};
 
diff --git a/test/jquery.uls.test.js b/test/jquery.uls.test.js
index 55eb9c4..6ca5581 100644
--- a/test/jquery.uls.test.js
+++ b/test/jquery.uls.test.js
@@ -94,8 +94,8 @@
 			"languages of region PA are selected correctly" );
 		assert.deepEqual( $.uls.data.getLanguagesInRegions( ["AM", "WW"] ),
 			[
-				"akz", "arn", "aro", "ase", "avk", "ay", "cho", "chr", "chy", "cr-cans", "cr-latn",
-				"cr", "en-ca", "en", "eo", "es-419", "es-formal", "es", "esu", "fr", "gcf", "gn",
+				"akz", "arn", "aro", "ase", "avk", "ay", "cho", "chr", "chy", "cr", "cr-cans", "cr-latn",
+				"en-ca", "en", "eo", "es-419", "es-formal", "es", "esu", "fr", "gcf", "gn",
 				"guc", "haw", "ht", "ia", "ie", "ik", "ike-cans", "ike-latn", "io", "iu", "jam",
 				"jbo", "kgp", "kl", "lad", "lfn", "mfe", "mic", "mus", "nah", "nl-informal", "nl",
 				"nov", "nv", "pap", "pdc", "pdt", "ppl", "pt-br", "pt", "qu", "qug", "rap", "sei",
@@ -124,7 +124,7 @@
 
 		var languagesByScriptInAM = $.uls.data.getLanguagesByScriptInRegion( "AM" );
 		assert.deepEqual( languagesByScriptInAM['Cans'], [
-			"cr-cans", "cr", "ike-cans", "iu"
+			"cr", "cr-cans", "ike-cans", "iu"
 		], "correct languages in Cans in AM selected" );
 
 		assert.strictEqual( $.uls.data.getAutonym( 'pa' ), 'ਪੰਜਾਬੀ', 'Correct autonym of the Punjabi language was selected' );