Interim take on cross-module variables, closes gh-817.

src/ajax.js

@@ -11,7 +11,6 @@ var r20 = /%20/g,
 	rquery = /\?/,
 	rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
 	rselectTextarea = /^(?:select|textarea)/i,
-	rspacesAjax = /\s+/,
 	rts = /([?&])_=[^&]*/,
 	rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+))?)?/,
 
@@ -72,7 +71,7 @@ function addToPrefiltersOrTransports( structure ) {
 		}
 
 		if ( jQuery.isFunction( func ) ) {
-			var dataTypes = dataTypeExpression.toLowerCase().split( rspacesAjax ),
+			var dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ),
 				i = 0,
 				length = dataTypes.length,
 				dataType,
@@ -613,7 +612,7 @@ jQuery.extend({
 		s.url = ( ( url || s.url ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
 
 		// Extract dataTypes list
-		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( rspacesAjax );
+		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( core_rspace );
 
 		// Determine if a cross-domain request is in order
 		if ( s.crossDomain == null ) {

src/attributes.js

@@ -1,5 +1,4 @@
 var rclass = /[\n\t\r]/g,
-	rspace = /\s+/,
 	rreturn = /\r/g,
 	rtype = /^(?:button|input)$/i,
 	rfocusable = /^(?:button|input|object|select|textarea)$/i,
@@ -45,7 +44,7 @@ jQuery.fn.extend({
 		}
 
 		if ( value && typeof value === "string" ) {
-			classNames = value.split( rspace );
+			classNames = value.split( core_rspace );
 
 			for ( i = 0, l = this.length; i < l; i++ ) {
 				elem = this[ i ];
@@ -81,7 +80,7 @@ jQuery.fn.extend({
 		}
 
 		if ( (value && typeof value === "string") || value === undefined ) {
-			classNames = ( value || "" ).split( rspace );
+			classNames = ( value || "" ).split( core_rspace );
 
 			for ( i = 0, l = this.length; i < l; i++ ) {
 				elem = this[ i ];
@@ -121,7 +120,7 @@ jQuery.fn.extend({
 					i = 0,
 					self = jQuery( this ),
 					state = stateVal,
-					classNames = value.split( rspace );
+					classNames = value.split( core_rspace );
 
 				while ( (className = classNames[ i++ ]) ) {
 					// check each className given, space seperated list
@@ -359,7 +358,7 @@ jQuery.extend({
 				value = value.toLowerCase();
 			}
 
-			attrNames = value.split( rspace );
+			attrNames = value.split( core_rspace );
 			l = attrNames.length;
 
 			for ( ; i < l; i++ ) {

src/callbacks.js

@@ -4,7 +4,7 @@ var optionsCache = {};
 // Convert String-formatted options into Object-formatted ones and store in cache
 function createOptions( options ) {
 	var object = optionsCache[ options ] = {};
-	jQuery.each( options.split( /\s+/ ), function( _, flag ) {
+	jQuery.each( options.split( core_rspace ), function( _, flag ) {
 		object[ flag ] = true;
 	});
 	return object;

src/core.js

@@ -1,21 +1,8 @@
-// Use the correct document accordingly with window argument (sandbox)
-var document = window.document,
-	navigator = window.navigator,
+var
+	// Use the correct document accordingly with window argument (sandbox)
+	document = window.document,
 	location = window.location,
-
-	// Save a reference to some core methods
-	toString = Object.prototype.toString,
-	hasOwn = Object.prototype.hasOwnProperty,
-	push = Array.prototype.push,
-	slice = Array.prototype.slice,
-	trim = String.prototype.trim,
-	indexOf = Array.prototype.indexOf,
-
-	// Define a local copy of jQuery
-	jQuery = function( selector, context ) {
-		// The jQuery object is actually just the init constructor 'enhanced'
-		return new jQuery.fn.init( selector, context, rootjQuery );
-	},
+	navigator = window.navigator,
 
 	// Map over jQuery in case of overwrite
 	_jQuery = window.jQuery,
@@ -23,38 +10,57 @@ var document = window.document,
 	// Map over the $ in case of overwrite
 	_$ = window.$,
 
+	// Save a reference to some core methods
+	core_push = Array.prototype.push,
+	core_slice = Array.prototype.slice,
+	core_indexOf = Array.prototype.indexOf,
+	core_toString = Object.prototype.toString,
+	core_hasOwn = Object.prototype.hasOwnProperty,
+	core_trim = String.prototype.trim,
+
+	// Define a local copy of jQuery
+	jQuery = function( selector, context ) {
+		// The jQuery object is actually just the init constructor 'enhanced'
+		return new jQuery.fn.init( selector, context, rootjQuery );
+	},
+
 	// A central reference to the root jQuery(document)
 	rootjQuery,
 
+	// The deferred used on DOM ready
+	readyList,
+
+	// For matching the engine and version of the browser
+	browserMatch,
+
+	// Used for detecting and trimming whitespace
+	core_rnotwhite = /\S/,
+	core_rspace = /\s+/,
+	trimLeft = /^\s+/,
+	trimRight = /\s+$/,
+
 	// A simple way to check for HTML strings or ID strings
 	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
 	quickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
 
-	// Check if a string has a non-whitespace character in it
-	rnotwhite = /\S/,
-
-	// Used for trimming whitespace
-	trimLeft = /^\s+/,
-	trimRight = /\s+$/,
-
 	// Match a standalone tag
 	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
 
 	// JSON RegExp
 	rvalidchars = /^[\],:{}\s]*$/,
-	rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
-	rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
 	rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
+	rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
+	rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
 
 	// Useragent RegExp
-	rwebkit = /(webkit)[ \/]([\w.]+)/,
-	ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
 	rmsie = /(msie) ([\w.]+)/,
+	rwebkit = /(webkit)[ \/]([\w.]+)/,
 	rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,
+	ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
 
 	// Matches dashed string for camelizing
-	rdashAlpha = /-([a-z]|[0-9])/ig,
 	rmsPrefix = /^-ms-/,
+	rdashAlpha = /-([\da-z])/gi,
 
 	// Used by jQuery.camelCase as callback to replace()
 	fcamelCase = function( all, letter ) {
@@ -64,12 +70,6 @@ var document = window.document,
 	// Keep a UserAgent string for use with jQuery.browser
 	userAgent = navigator.userAgent,
 
-	// For matching the engine and version of the browser
-	browserMatch,
-
-	// The deferred used on DOM ready
-	readyList,
-
 	// The ready event handler and self cleanup method
 	DOMContentLoaded = function() {
 		if ( document.addEventListener ) {
@@ -200,7 +200,7 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	toArray: function() {
-		return slice.call( this );
+		return core_slice.call( this );
 	},
 
 	// Get the Nth element in the matched element set OR
@@ -222,7 +222,7 @@ jQuery.fn = jQuery.prototype = {
 		var ret = this.constructor();
 
 		if ( jQuery.isArray( elems ) ) {
-			push.apply( ret, elems );
+			core_push.apply( ret, elems );
 
 		} else {
 			jQuery.merge( ret, elems );
@@ -273,8 +273,8 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	slice: function() {
-		return this.pushStack( slice.apply( this, arguments ),
-			"slice", slice.call(arguments).join(",") );
+		return this.pushStack( core_slice.apply( this, arguments ),
+			"slice", core_slice.call(arguments).join(",") );
 	},
 
 	map: function( callback ) {
@@ -289,7 +289,7 @@ jQuery.fn = jQuery.prototype = {
 
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.
-	push: push,
+	push: core_push,
 	sort: [].sort,
 	splice: [].splice
 };
@@ -440,7 +440,7 @@ jQuery.extend({
 	type: function( obj ) {
 		return obj == null ?
 			String( obj ) :
-			class2type[ toString.call(obj) ] || "object";
+			class2type[ core_toString.call(obj) ] || "object";
 	},
 
 	isPlainObject: function( obj ) {
@@ -454,8 +454,8 @@ jQuery.extend({
 		try {
 			// Not own constructor property must be Object
 			if ( obj.constructor &&
-				!hasOwn.call(obj, "constructor") &&
-				!hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
+				!core_hasOwn.call(obj, "constructor") &&
+				!core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
 				return false;
 			}
 		} catch ( e ) {
@@ -469,7 +469,7 @@ jQuery.extend({
 		var key;
 		for ( key in obj ) {}
 
-		return key === undefined || hasOwn.call( obj, key );
+		return key === undefined || core_hasOwn.call( obj, key );
 	},
 
 	isEmptyObject: function( obj ) {
@@ -538,7 +538,7 @@ jQuery.extend({
 	// Workarounds based on findings by Jim Driscoll
 	// http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
 	globalEval: function( data ) {
-		if ( data && rnotwhite.test( data ) ) {
+		if ( data && core_rnotwhite.test( data ) ) {
 			// We use execScript on Internet Explorer
 			// We use an anonymous function so that context is window
 			// rather than jQuery in Firefox
@@ -600,11 +600,11 @@ jQuery.extend({
 	},
 
 	// Use native String.trim function wherever possible
-	trim: trim ?
+	trim: core_trim ?
 		function( text ) {
 			return text == null ?
 				"" :
-				trim.call( text );
+				core_trim.call( text );
 		} :
 
 		// Otherwise use our own trimming functionality
@@ -624,7 +624,7 @@ jQuery.extend({
 			var type = jQuery.type( array );
 
 			if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
-				push.call( ret, array );
+				core_push.call( ret, array );
 			} else {
 				jQuery.merge( ret, array );
 			}
@@ -637,8 +637,8 @@ jQuery.extend({
 		var len;
 
 		if ( array ) {
-			if ( indexOf ) {
-				return indexOf.call( array, elem, i );
+			if ( core_indexOf ) {
+				return core_indexOf.call( array, elem, i );
 			}
 
 			len = array.length;
@@ -743,9 +743,9 @@ jQuery.extend({
 		}
 
 		// Simulated bind
-		var args = slice.call( arguments, 2 ),
+		var args = core_slice.call( arguments, 2 ),
 			proxy = function() {
-				return fn.apply( context, args.concat( slice.call( arguments ) ) );
+				return fn.apply( context, args.concat( core_slice.call( arguments ) ) );
 			};
 
 		// Set the guid of unique handler to the same of original handler, so it can be removed
@@ -910,7 +910,7 @@ if ( jQuery.browser.webkit ) {
 }
 
 // IE doesn't match non-breaking spaces with \s
-if ( rnotwhite.test( "\xA0" ) ) {
+if ( core_rnotwhite.test( "\xA0" ) ) {
 	trimLeft = /^[\s\xA0]+/;
 	trimRight = /[\s\xA0]+$/;
 }

src/css.js

@@ -70,7 +70,7 @@ function showHide( elements, show ) {
 			// for such an element
 			if ( (elem.style.display === "" && curCSS( elem, "display" ) === "none") ||
 				!jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
-				values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
+				values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
 			}
 		} else {
 			display = curCSS( elem, "display" );
@@ -434,7 +434,7 @@ function getWidthOrHeight( elem, name, extra ) {
 
 
 // Try to determine the default display value of an element
-function defaultDisplay( nodeName ) {
+function css_defaultDisplay( nodeName ) {
 	if ( elemdisplay[ nodeName ] ) {
 		return elemdisplay[ nodeName ];
 	}

src/deferred.js

@@ -1,6 +1,3 @@
-var // Static reference to slice
-	sliceDeferred = [].slice;
-
 jQuery.extend({
 
 	Deferred: function( func ) {
@@ -93,7 +90,7 @@ jQuery.extend({
 	// Deferred helper
 	when: function( subordinate /* , ..., subordinateN */ ) {
 		var i = 0,
-			resolveValues = sliceDeferred.call( arguments ),
+			resolveValues = core_slice.call( arguments ),
 			length = resolveValues.length,
 
 			// the count of uncompleted subordinates
@@ -106,7 +103,7 @@ jQuery.extend({
 			updateFunc = function( i, contexts, values ) {
 				return function( value ) {
 					contexts[ i ] = this;
-					values[ i ] = arguments.length > 1 ? sliceDeferred.call( arguments ) : value;
+					values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
 					if( values === progressValues ) {
 						deferred.notifyWith( contexts, values );
 					} else if ( !( --remaining ) ) {

src/effects.js

@@ -269,7 +269,7 @@ function defaultPrefilter( elem, props, opts ) {
 
 			// inline-level elements accept inline-block;
 			// block-level elements need to be inline with layout
-			if ( !jQuery.support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
+			if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
 				style.display = "inline-block";
 
 			} else {

src/manipulation.js

@@ -16,7 +16,7 @@ var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figca
 		"header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
 	rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
 	rleadingWhitespace = /^\s+/,
-	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
+	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
 	rtagName = /<([\w:]+)/,
 	rtbody = /<tbody/i,
 	rhtml = /<|&#?\w+;/,

src/traversing.js

@@ -221,7 +221,7 @@ jQuery.each({
 			ret = ret.reverse();
 		}
 
-		return this.pushStack( ret, name, slice.call( arguments ).join(",") );
+		return this.pushStack( ret, name, core_slice.call( arguments ).join(",") );
 	};
 });