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Fix #13434: native-API selector module
What's out:
* 6 KB
* attribute not equal selector
* positional selectors (:first; :eq(n); :odd; etc.)
* type selectors (:input; :checkbox; :button; etc.)
* state-based selectors (:animated; :visible; :hidden; etc.)
* :has(selector)
* custom selectors
* leading combinators (e.g., $collection.find("> *"))
* reliable functionality on XML fragments
* requiring all parts of a selector to match elements under context (e.g., $div.find("div > *") now matches children of $div)
* matching against non-elements
* reliable sorting of disconnected nodes- Loading branch information
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| var selector_hasDuplicate, | ||
| matches = docElem.matchesSelector || | ||
| docElem.mozMatchesSelector || | ||
| docElem.webkitMatchesSelector || | ||
| docElem.oMatchesSelector || | ||
| docElem.msMatchesSelector, | ||
| selector_sortOrder = function( a, b ) { | ||
| // Flag for duplicate removal | ||
| if ( a === b ) { | ||
| selector_hasDuplicate = true; | ||
| return 0; | ||
| } | ||
|
|
||
| var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b ); | ||
|
|
||
| if ( compare ) { | ||
| // Disconnected nodes | ||
| if ( compare & 1 ) { | ||
|
|
||
| // Choose the first element that is related to our document | ||
| if ( a === document || jQuery.contains(document, a) ) { | ||
| return -1; | ||
| } | ||
| if ( b === document || jQuery.contains(document, b) ) { | ||
| return 1; | ||
| } | ||
|
|
||
| // Maintain original order | ||
| return 0; | ||
| } | ||
|
|
||
| return compare & 4 ? -1 : 1; | ||
| } | ||
|
|
||
| // Not directly comparable, sort on existence of method | ||
| return a.compareDocumentPosition ? -1 : 1; | ||
| }; | ||
|
|
||
| jQuery.extend({ | ||
| find: function( selector, context, results, seed ) { | ||
| var elem, | ||
| i = 0; | ||
|
|
||
| results = results || []; | ||
| context = context || document; | ||
|
|
||
| if ( seed ) { | ||
| while ( (elem = seed[i++]) ) { | ||
| if ( jQuery.find.matchesSelector(elem, selector) ) { | ||
| results.push( elem ); | ||
| } | ||
| } | ||
| } else { | ||
| jQuery.merge( results, context.querySelectorAll(selector) ); | ||
| } | ||
|
|
||
| return results; | ||
| }, | ||
| unique: function( results ) { | ||
| var elem, | ||
| duplicates = [], | ||
| i = 0, | ||
| j = 0; | ||
|
|
||
| selector_hasDuplicate = false; | ||
| results.sort( selector_sortOrder ); | ||
|
|
||
| if ( selector_hasDuplicate ) { | ||
| while ( (elem = results[i++]) ) { | ||
| if ( elem === results[ i ] ) { | ||
| j = duplicates.push( i ); | ||
| } | ||
| } | ||
| while ( j-- ) { | ||
| results.splice( duplicates[ j ], 1 ); | ||
| } | ||
| } | ||
|
|
||
| return results; | ||
| }, | ||
| text: function( elem ) { | ||
| var node, | ||
| ret = "", | ||
| i = 0, | ||
| nodeType = elem.nodeType; | ||
|
|
||
| if ( !nodeType ) { | ||
| // If no nodeType, this is expected to be an array | ||
| while ( (node = elem[i++]) ) { | ||
| // Do not traverse comment nodes | ||
| ret += jQuery.text( node ); | ||
| } | ||
| } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { | ||
| // Use textContent for elements | ||
| return elem.textContent; | ||
| } else if ( nodeType === 3 || nodeType === 4 ) { | ||
| return elem.nodeValue; | ||
| } | ||
| // Do not include comment or processing instruction nodes | ||
|
|
||
| return ret; | ||
| }, | ||
| contains: function( a, b ) { | ||
| var adown = a.nodeType === 9 ? a.documentElement : a, | ||
| bup = b && b.parentNode; | ||
| return a === bup || !!( bup && bup.nodeType === 1 && adown.contains(bup) ); | ||
| }, | ||
| isXMLDoc: function( elem ) { | ||
| return (elem.ownerDocument || elem).documentElement.nodeName !== "HTML"; | ||
| }, | ||
| expr: { | ||
| match: { | ||
| needsContext: /^[\x20\t\r\n\f]*[>+~]/ | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| jQuery.extend( jQuery.find, { | ||
| matches: function( expr, elements ) { | ||
| return jQuery.find( expr, null, null, elements ); | ||
| }, | ||
| matchesSelector: function( elem, expr ) { | ||
| return matches.call( elem, expr ); | ||
| } | ||
| }); |