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-rw-r--r--src/core.js229
1 files changed, 47 insertions, 182 deletions
diff --git a/src/core.js b/src/core.js
index 01b3d9a92..7e190a480 100644
--- a/src/core.js
+++ b/src/core.js
@@ -10,17 +10,8 @@ var
toString = require( "./var/toString" ),
hasOwn = require( "./var/hasOwn" ),
trim = require( "./var/trim" ),
- rsingleTag = require( "./var/rsingleTag" ),
support = require( "./var/support" ),
- i,
-
- // A central reference to the root jQuery(document)
- rootjQuery,
-
- // Use the correct document accordingly with window argument (sandbox)
- document = window.document,
-
// Map over jQuery in case of overwrite
_jQuery = window.jQuery,
@@ -32,17 +23,13 @@ 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 );
},
// Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
- // A simple way to check for HTML strings
- // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
- // Strict HTML recognition (#11290: must start with <)
- rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
-
// Matches dashed string for camelizing
rmsPrefix = /^-ms-/,
rdashAlpha = /-([\da-z])/gi,
@@ -58,111 +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 ) {
- // Handle the case where IE and Opera return items
- // by name instead of ID
- if ( elem.id !== match[2] ) {
- return rootjQuery.find( selector );
- }
-
- // Otherwise, we 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: "",
@@ -242,9 +124,6 @@ jQuery.fn = jQuery.prototype = {
splice: deletedIds.splice
};
-// Give the init function the jQuery prototype for later instantiation
-jQuery.fn.init.prototype = jQuery.fn;
-
jQuery.extend = jQuery.fn.extend = function() {
var src, copyIsArray, copy, name, options, clone,
target = arguments[0] || {},
@@ -348,6 +227,51 @@ jQuery.extend({
return !isNaN( parseFloat(obj) ) && isFinite( obj );
},
+ isEmptyObject: function( obj ) {
+ var name;
+ for ( name in obj ) {
+ return false;
+ }
+ return true;
+ },
+
+ isPlainObject: function( obj ) {
+ var key;
+
+ // Must be an Object.
+ // Because of IE, we also have to check the presence of the constructor property.
+ // Make sure that DOM nodes and window objects don't pass through, as well
+ if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
+ return false;
+ }
+
+ try {
+ // Not own constructor property must be Object
+ if ( obj.constructor &&
+ !hasOwn.call(obj, "constructor") &&
+ !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
+ return false;
+ }
+ } catch ( e ) {
+ // IE8,9 Will throw exceptions on certain host objects #9897
+ return false;
+ }
+
+ // Support: IE<9
+ // Handle iteration over inherited properties before own properties.
+ if ( support.ownLast ) {
+ for ( key in obj ) {
+ return hasOwn.call( obj, key );
+ }
+ }
+
+ // Own properties are enumerated firstly, so to speed up,
+ // if last one is own, then all properties are own.
+ for ( key in obj ) {}
+
+ return key === undefined || hasOwn.call( obj, key );
+ },
+
type: function( obj ) {
if ( obj == null ) {
return String( obj );
@@ -357,14 +281,6 @@ jQuery.extend({
typeof obj;
},
- isEmptyObject: function( obj ) {
- var name;
- for ( name in obj ) {
- return false;
- }
- return true;
- },
-
error: function( msg ) {
throw new Error( msg );
},
@@ -615,54 +531,6 @@ jQuery.extend({
support: support
});
-
-// Support: IE<9
-// Iteration over object's inherited properties before its own.
-// It would be better to move this test to one of test modules but since
-// tests require the jQuery object to exist as well as some other variables set
-// core initialization is needed first for tests used in core itself.
-for ( i in jQuery( support ) ) {
- break;
-}
-support.ownLast = i !== "0";
-
-jQuery.isPlainObject = function( obj ) {
- var key;
-
- // Must be an Object.
- // Because of IE, we also have to check the presence of the constructor property.
- // Make sure that DOM nodes and window objects don't pass through, as well
- if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
- return false;
- }
-
- try {
- // Not own constructor property must be Object
- if ( obj.constructor &&
- !hasOwn.call(obj, "constructor") &&
- !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
- return false;
- }
- } catch ( e ) {
- // IE8,9 Will throw exceptions on certain host objects #9897
- return false;
- }
-
- // Support: IE<9
- // Handle iteration over inherited properties before own properties.
- if ( support.ownLast ) {
- for ( key in obj ) {
- return hasOwn.call( obj, key );
- }
- }
-
- // Own properties are enumerated firstly, so to speed up,
- // if last one is own, then all properties are own.
- for ( key in obj ) {}
-
- return key === undefined || hasOwn.call( obj, key );
-};
-
// Populate the class2type map
jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
class2type[ "[object " + name + "]" ] = name.toLowerCase();
@@ -685,8 +553,5 @@ 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;
});