Copybara bot | be50d49 | 2023-11-30 00:16:42 +0100 | [diff] [blame] | 1 | define( [ |
| 2 | "../core", |
| 3 | "../var/indexOf", |
| 4 | "../var/isFunction", |
| 5 | "./var/rneedsContext", |
| 6 | "../selector" |
| 7 | ], function( jQuery, indexOf, isFunction, rneedsContext ) { |
| 8 | |
| 9 | "use strict"; |
| 10 | |
| 11 | // Implement the identical functionality for filter and not |
| 12 | function winnow( elements, qualifier, not ) { |
| 13 | if ( isFunction( qualifier ) ) { |
| 14 | return jQuery.grep( elements, function( elem, i ) { |
| 15 | return !!qualifier.call( elem, i, elem ) !== not; |
| 16 | } ); |
| 17 | } |
| 18 | |
| 19 | // Single element |
| 20 | if ( qualifier.nodeType ) { |
| 21 | return jQuery.grep( elements, function( elem ) { |
| 22 | return ( elem === qualifier ) !== not; |
| 23 | } ); |
| 24 | } |
| 25 | |
| 26 | // Arraylike of elements (jQuery, arguments, Array) |
| 27 | if ( typeof qualifier !== "string" ) { |
| 28 | return jQuery.grep( elements, function( elem ) { |
| 29 | return ( indexOf.call( qualifier, elem ) > -1 ) !== not; |
| 30 | } ); |
| 31 | } |
| 32 | |
| 33 | // Filtered directly for both simple and complex selectors |
| 34 | return jQuery.filter( qualifier, elements, not ); |
| 35 | } |
| 36 | |
| 37 | jQuery.filter = function( expr, elems, not ) { |
| 38 | var elem = elems[ 0 ]; |
| 39 | |
| 40 | if ( not ) { |
| 41 | expr = ":not(" + expr + ")"; |
| 42 | } |
| 43 | |
| 44 | if ( elems.length === 1 && elem.nodeType === 1 ) { |
| 45 | return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; |
| 46 | } |
| 47 | |
| 48 | return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { |
| 49 | return elem.nodeType === 1; |
| 50 | } ) ); |
| 51 | }; |
| 52 | |
| 53 | jQuery.fn.extend( { |
| 54 | find: function( selector ) { |
| 55 | var i, ret, |
| 56 | len = this.length, |
| 57 | self = this; |
| 58 | |
| 59 | if ( typeof selector !== "string" ) { |
| 60 | return this.pushStack( jQuery( selector ).filter( function() { |
| 61 | for ( i = 0; i < len; i++ ) { |
| 62 | if ( jQuery.contains( self[ i ], this ) ) { |
| 63 | return true; |
| 64 | } |
| 65 | } |
| 66 | } ) ); |
| 67 | } |
| 68 | |
| 69 | ret = this.pushStack( [] ); |
| 70 | |
| 71 | for ( i = 0; i < len; i++ ) { |
| 72 | jQuery.find( selector, self[ i ], ret ); |
| 73 | } |
| 74 | |
| 75 | return len > 1 ? jQuery.uniqueSort( ret ) : ret; |
| 76 | }, |
| 77 | filter: function( selector ) { |
| 78 | return this.pushStack( winnow( this, selector || [], false ) ); |
| 79 | }, |
| 80 | not: function( selector ) { |
| 81 | return this.pushStack( winnow( this, selector || [], true ) ); |
| 82 | }, |
| 83 | is: function( selector ) { |
| 84 | return !!winnow( |
| 85 | this, |
| 86 | |
| 87 | // If this is a positional/relative selector, check membership in the returned set |
| 88 | // so $("p:first").is("p:last") won't return true for a doc with two "p". |
| 89 | typeof selector === "string" && rneedsContext.test( selector ) ? |
| 90 | jQuery( selector ) : |
| 91 | selector || [], |
| 92 | false |
| 93 | ).length; |
| 94 | } |
| 95 | } ); |
| 96 | |
| 97 | } ); |