Core: Move backcompat for core 1.7 into its own module

Ref #9647

ui/core.js

@@ -27,6 +27,7 @@
 			"./ie",
 			"./keycode",
 			"./labels",
+			"./jquery-1-7",
 			"./version"
 		], factory );
 	} else {
@@ -124,68 +125,6 @@ $.extend( $.expr[ ":" ], {
 	}
 } );
 
-// support: jQuery 1.7 only
-// Not a great way to check versions, but since we only support 1.7+ and only
-// need to detect <1.8, this is a simple check that should suffice. Checking
-// for "1.7." would be a bit safer, but the version string is 1.7, not 1.7.0
-// and we'll never reach 1.70.0 (if we do, we certainly won't be supporting
-// 1.7 anymore). See #11197 for why we're not using feature detection.
-if ( $.fn.jquery.substring( 0, 3 ) === "1.7" ) {
-
-	// Setters for .innerWidth(), .innerHeight(), .outerWidth(), .outerHeight()
-	// Unlike jQuery Core 1.8+, these only support numeric values to set the
-	// dimensions in pixels
-	$.each( [ "Width", "Height" ], function( i, name ) {
-		var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
-			type = name.toLowerCase(),
-			orig = {
-				innerWidth: $.fn.innerWidth,
-				innerHeight: $.fn.innerHeight,
-				outerWidth: $.fn.outerWidth,
-				outerHeight: $.fn.outerHeight
-			};
-
-		function reduce( elem, size, border, margin ) {
-			$.each( side, function() {
-				size -= parseFloat( $.css( elem, "padding" + this ) ) || 0;
-				if ( border ) {
-					size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
-				}
-				if ( margin ) {
-					size -= parseFloat( $.css( elem, "margin" + this ) ) || 0;
-				}
-			} );
-			return size;
-		}
-
-		$.fn[ "inner" + name ] = function( size ) {
-			if ( size === undefined ) {
-				return orig[ "inner" + name ].call( this );
-			}
-
-			return this.each( function() {
-				$( this ).css( type, reduce( this, size ) + "px" );
-			} );
-		};
-
-		$.fn[ "outer" + name ] = function( size, margin ) {
-			if ( typeof size !== "number" ) {
-				return orig[ "outer" + name ].call( this, size );
-			}
-
-			return this.each( function() {
-				$( this ).css( type, reduce( this, size, true, margin ) + "px" );
-			} );
-		};
-	} );
-
-	$.fn.addBack = function( selector ) {
-		return this.add( selector == null ?
-			this.prevObject : this.prevObject.filter( selector )
-		);
-	};
-}
-
 // $.ui.plugin is deprecated. Use $.widget() extensions instead.
 $.ui.plugin = {
 	add: function( module, option, set ) {

ui/jquery-1-7.js

@@ -0,0 +1,89 @@
+/*!
+ * jQuery UI Support for jQuery core 1.7.x @VERSION
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ */
+
+//>>label: jQuery 1.7 Support
+//>>group: UI Core
+//>>description: Support version 1.7.x of jQuery core
+
+( function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define( [ "jquery", "./version" ], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}( function( $ ) {
+
+// support: jQuery 1.7 only
+// Not a great way to check versions, but since we only support 1.7+ and only
+// need to detect <1.8, this is a simple check that should suffice. Checking
+// for "1.7." would be a bit safer, but the version string is 1.7, not 1.7.0
+// and we'll never reach 1.70.0 (if we do, we certainly won't be supporting
+// 1.7 anymore). See #11197 for why we're not using feature detection.
+if ( $.fn.jquery.substring( 0, 3 ) === "1.7" ) {
+
+	// Setters for .innerWidth(), .innerHeight(), .outerWidth(), .outerHeight()
+	// Unlike jQuery Core 1.8+, these only support numeric values to set the
+	// dimensions in pixels
+	$.each( [ "Width", "Height" ], function( i, name ) {
+		var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
+			type = name.toLowerCase(),
+			orig = {
+				innerWidth: $.fn.innerWidth,
+				innerHeight: $.fn.innerHeight,
+				outerWidth: $.fn.outerWidth,
+				outerHeight: $.fn.outerHeight
+			};
+
+		function reduce( elem, size, border, margin ) {
+			$.each( side, function() {
+				size -= parseFloat( $.css( elem, "padding" + this ) ) || 0;
+				if ( border ) {
+					size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
+				}
+				if ( margin ) {
+					size -= parseFloat( $.css( elem, "margin" + this ) ) || 0;
+				}
+			} );
+			return size;
+		}
+
+		$.fn[ "inner" + name ] = function( size ) {
+			if ( size === undefined ) {
+				return orig[ "inner" + name ].call( this );
+			}
+
+			return this.each( function() {
+				$( this ).css( type, reduce( this, size ) + "px" );
+			} );
+		};
+
+		$.fn[ "outer" + name ] = function( size, margin ) {
+			if ( typeof size !== "number" ) {
+				return orig[ "outer" + name ].call( this, size );
+			}
+
+			return this.each( function() {
+				$( this ).css( type, reduce( this, size, true, margin ) + "px" );
+			} );
+		};
+	} );
+
+	$.fn.addBack = function( selector ) {
+		return this.add( selector == null ?
+			this.prevObject : this.prevObject.filter( selector )
+		);
+	};
+}
+
+} ) );