Core: Move labels into its own module

Ref #9647

1 files changed, 62 insertions, 0 deletions

diff --git a/ui/labels.js b/ui/labels.js
new file mode 100644
index 000000000..2a78d886b
--- /dev/null
+++ b/ui/labels.js
@@ -0,0 +1,62 @@
+/*!
+ * jQuery UI Labels @VERSION
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: labels
+//>>group: Core
+//>>description: Find all the labels associated with a given input
+//>>docs: http://api.jqueryui.com/labels/
+
+( function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [ "jquery", "./version", "./escape-selector" ], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+} ( function( $ ) {
+
+return $.fn.labels = function() {
+	var ancestor, selector, id, labels, ancestors;
+
+	// Check control.labels first
+	if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
+		return this.pushStack( this[ 0 ].labels );
+	}
+
+	// Support: IE <= 11, FF <= 37, Android <= 2.3 only
+	// Above browsers do not support control.labels. Everything below is to support them
+	// as well as document fragments. control.labels does not work on document fragments
+	labels = this.eq( 0 ).parents( "label" );
+
+	// Look for the label based on the id
+	id = this.attr( "id" );
+	if ( id ) {
+
+		// We don't search against the document in case the element
+		// is disconnected from the DOM
+		ancestor = this.eq( 0 ).parents().last();
+
+		// Get a full set of top level ancestors
+		ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );
+
+		// Create a selector for the label based on the id
+		selector = "label[for='" + $.ui.escapeSelector( id ) + "']";
+
+		labels = labels.add( ancestors.find( selector ).addBack( selector ) );
+
+	}
+
+	// Return whatever we have found for labels
+	return this.pushStack( labels );
+};
+
+} ) );