Separate jQuery.fn.init into its own module (for lighter core depende…

…ncies across all modules)

src/ajax.js

@@ -3,6 +3,7 @@ define([
 	"./var/rnotwhite",
 	"./ajax/var/nonce",
 	"./ajax/var/rquery",
+	"./core/init",
 	"./ajax/parseJSON",
 	"./ajax/parseXML",
 	"./deferred"

src/attributes/classes.js

@@ -2,7 +2,8 @@ define([
 	"../core",
 	"../var/rnotwhite",
 	"../var/strundefined",
-	"../data/var/data_priv"
+	"../data/var/data_priv",
+	"../core/init"
 ], function( jQuery, rnotwhite, strundefined, data_priv ) {
 
 var rclass = /[\t\r\n\f]/g;

src/attributes/val.js

@@ -1,6 +1,7 @@
 define([
 	"../core",
-	"./support"
+	"./support",
+	"../core/init"
 ], function( jQuery, support ) {
 
 var rreturn = /\r/g;

src/core.js

@@ -10,12 +10,8 @@ var
 	toString = require( "./var/toString" ),
 	hasOwn = require( "./var/hasOwn" ),
 	trim = require( "./var/trim" ),
-	rsingleTag = require( "./var/rsingleTag" ),
 	support = require( "./var/support" ),
 
-	// A central reference to the root jQuery(document)
-	rootjQuery,
-
 	// Use the correct document accordingly with window argument (sandbox)
 	document = window.document,
 
@@ -30,14 +26,10 @@ var
 	// 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 );
+		// Need init if jQuery is called (just allow error to be thrown if not included)
+		return new jQuery.fn.init( selector, context );
 	},
 
-	// A simple way to check for HTML strings
-	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
-	// Strict HTML recognition (#11290: must start with <)
-	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
-
 	// Matches dashed string for camelizing
 	rmsPrefix = /^-ms-/,
 	rdashAlpha = /-([\da-z])/gi,
@@ -53,105 +45,6 @@ jQuery.fn = jQuery.prototype = {
 
 	constructor: jQuery,
 
-	init: function( selector, context, rootjQuery ) {
-		var match, elem;
-
-		// HANDLE: $(""), $(null), $(undefined), $(false)
-		if ( !selector ) {
-			return this;
-		}
-
-		// Handle HTML strings
-		if ( typeof selector === "string" ) {
-			if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
-				// Assume that strings that start and end with <> are HTML and skip the regex check
-				match = [ null, selector, null ];
-
-			} else {
-				match = rquickExpr.exec( selector );
-			}
-
-			// Match html or make sure no context is specified for #id
-			if ( match && (match[1] || !context) ) {
-
-				// HANDLE: $(html) -> $(array)
-				if ( match[1] ) {
-					context = context instanceof jQuery ? context[0] : context;
-
-					// scripts is true for back-compat
-					// Intentionally let the error be thrown if parseHTML is not present
-					jQuery.merge( this, jQuery.parseHTML(
-						match[1],
-						context && context.nodeType ? context.ownerDocument || context : document,
-						true
-					) );
-
-					// HANDLE: $(html, props)
-					if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
-						for ( match in context ) {
-							// Properties of context are called as methods if possible
-							if ( jQuery.isFunction( this[ match ] ) ) {
-								this[ match ]( context[ match ] );
-
-							// ...and otherwise set as attributes
-							} else {
-								this.attr( match, context[ match ] );
-							}
-						}
-					}
-
-					return this;
-
-				// HANDLE: $(#id)
-				} else {
-					elem = document.getElementById( match[2] );
-
-					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
-					if ( elem && elem.parentNode ) {
-						// Inject the element directly into the jQuery object
-						this.length = 1;
-						this[0] = elem;
-					}
-
-					this.context = document;
-					this.selector = selector;
-					return this;
-				}
-
-			// HANDLE: $(expr, $(...))
-			} else if ( !context || context.jquery ) {
-				return ( context || rootjQuery ).find( selector );
-
-			// HANDLE: $(expr, context)
-			// (which is just equivalent to: $(context).find(expr)
-			} else {
-				return this.constructor( context ).find( selector );
-			}
-
-		// HANDLE: $(DOMElement)
-		} else if ( selector.nodeType ) {
-			this.context = this[0] = selector;
-			this.length = 1;
-			return this;
-
-		// HANDLE: $(function)
-		// Shortcut for document ready
-		} else if ( jQuery.isFunction( selector ) ) {
-			return typeof rootjQuery.ready !== "undefined" ?
-				rootjQuery.ready( selector ) :
-				// Execute immediately if ready is not present
-				selector( jQuery );
-		}
-
-		if ( selector.selector !== undefined ) {
-			this.selector = selector.selector;
-			this.context = selector.context;
-		}
-
-		return jQuery.makeArray( selector, this );
-	},
-
 	// Start with an empty selector
 	selector: "",
 
@@ -231,9 +124,6 @@ jQuery.fn = jQuery.prototype = {
 	splice: arr.splice
 };
 
-// Give the init function the jQuery prototype for later instantiation
-jQuery.fn.init.prototype = jQuery.fn;
-
 jQuery.extend = jQuery.fn.extend = function() {
 	var options, name, src, copy, copyIsArray, clone,
 		target = arguments[0] || {},
@@ -621,8 +511,5 @@ function isArraylike( obj ) {
 		typeof length === "number" && length > 0 && ( length - 1 ) in obj );
 }
 
-// All jQuery objects should point back to these
-rootjQuery = jQuery( document );
-
 return jQuery;
 });

src/core/init.js

@@ -0,0 +1,123 @@
+// Initialize a jQuery object
+define([
+	"../core",
+	"./var/rsingleTag",
+	"../traversing/findFilter"
+], function( jQuery, rsingleTag ) {
+
+// A central reference to the root jQuery(document)
+var rootjQuery,
+
+	// A simple way to check for HTML strings
+	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
+	// Strict HTML recognition (#11290: must start with <)
+	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
+
+	init = jQuery.fn.init = function( selector, context ) {
+		var match, elem;
+
+		// HANDLE: $(""), $(null), $(undefined), $(false)
+		if ( !selector ) {
+			return this;
+		}
+
+		// Handle HTML strings
+		if ( typeof selector === "string" ) {
+			if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
+				// Assume that strings that start and end with <> are HTML and skip the regex check
+				match = [ null, selector, null ];
+
+			} else {
+				match = rquickExpr.exec( selector );
+			}
+
+			// Match html or make sure no context is specified for #id
+			if ( match && (match[1] || !context) ) {
+
+				// HANDLE: $(html) -> $(array)
+				if ( match[1] ) {
+					context = context instanceof jQuery ? context[0] : context;
+
+					// scripts is true for back-compat
+					// Intentionally let the error be thrown if parseHTML is not present
+					jQuery.merge( this, jQuery.parseHTML(
+						match[1],
+						context && context.nodeType ? context.ownerDocument || context : document,
+						true
+					) );
+
+					// HANDLE: $(html, props)
+					if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
+						for ( match in context ) {
+							// Properties of context are called as methods if possible
+							if ( jQuery.isFunction( this[ match ] ) ) {
+								this[ match ]( context[ match ] );
+
+							// ...and otherwise set as attributes
+							} else {
+								this.attr( match, context[ match ] );
+							}
+						}
+					}
+
+					return this;
+
+				// HANDLE: $(#id)
+				} else {
+					elem = document.getElementById( match[2] );
+
+					// Check parentNode to catch when Blackberry 4.6 returns
+					// nodes that are no longer in the document #6963
+					if ( elem && elem.parentNode ) {
+						// Inject the element directly into the jQuery object
+						this.length = 1;
+						this[0] = elem;
+					}
+
+					this.context = document;
+					this.selector = selector;
+					return this;
+				}
+
+			// HANDLE: $(expr, $(...))
+			} else if ( !context || context.jquery ) {
+				return ( context || rootjQuery ).find( selector );
+
+			// HANDLE: $(expr, context)
+			// (which is just equivalent to: $(context).find(expr)
+			} else {
+				return this.constructor( context ).find( selector );
+			}
+
+		// HANDLE: $(DOMElement)
+		} else if ( selector.nodeType ) {
+			this.context = this[0] = selector;
+			this.length = 1;
+			return this;
+
+		// HANDLE: $(function)
+		// Shortcut for document ready
+		} else if ( jQuery.isFunction( selector ) ) {
+			return typeof rootjQuery.ready !== "undefined" ?
+				rootjQuery.ready( selector ) :
+				// Execute immediately if ready is not present
+				selector( jQuery );
+		}
+
+		if ( selector.selector !== undefined ) {
+			this.selector = selector.selector;
+			this.context = selector.context;
+		}
+
+		return jQuery.makeArray( selector, this );
+	};
+
+// Give the init function the jQuery prototype for later instantiation
+init.prototype = jQuery.fn;
+
+// Initialize central reference
+rootjQuery = jQuery( document );
+
+return init;
+
+});

src/core/parseHTML.js

@@ -1,6 +1,6 @@
 define([
 	"../core",
-	"../var/rsingleTag",
+	"./var/rsingleTag",
 	"../manipulation" // buildFragment
 ], function( jQuery, rsingleTag ) {
 

src/core/ready.js

@@ -1,5 +1,6 @@
 define([
 	"../core",
+	"../core/init",
 	"../deferred"
 ], function( jQuery ) {
 

src/css.js

@@ -29,6 +29,7 @@ var
 	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
 
 // Dependencies not needed as vars
+require( "./core/init" );
 require( "./css/swap" );
 require( "./core/ready" );
 require( "./selector" ); // contains

src/effects.js

@@ -63,6 +63,7 @@ var
 	};
 
 // Dependencies not needed as vars
+require( "./core/init" );
 require( "./effects/Tween" );
 require( "./queue" );
 require( "./css" );

src/event.js

@@ -14,6 +14,7 @@ var
 	rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
 
 // Dependencies not needed as vars
+require( "./core/init" );
 require( "./data/accepts" );
 require( "./selector" );
 

src/manipulation.js

@@ -42,6 +42,7 @@ wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.the
 wrapMap.th = wrapMap.td;
 
 // Dependencies not needed as variables
+require( "./core/init" );
 require( "./data/accepts" );
 require( "./traversing" );
 require( "./selector" );

src/offset.js

@@ -2,6 +2,7 @@ define([
 	"./core",
 	"./var/strundefined",
 	"./core/access",
+	"./core/init",
 	"./css",
 	"./selector" // contains
 ], function( jQuery, strundefined, access ) {

src/serialize.js

@@ -1,6 +1,7 @@
 define([
 	"./core",
 	"./manipulation/var/rcheckableType",
+	"./core/init",
 	"./traversing", // filter
 	"./attributes/prop"
 ], function( jQuery, rcheckableType ) {