Traversing: Never let .closest() match positional selectors

Fixes gh-2796
Close gh-2818
This commit is contained in:
Richard Gibson 2016-01-12 00:56:29 -05:00 committed by Timmy Willison
parent 0e2f8f9eff
commit a268f5225c
2 changed files with 31 additions and 17 deletions

View File

@ -39,23 +39,24 @@ jQuery.fn.extend( {
i = 0,
l = this.length,
matched = [],
pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
jQuery( selectors, context || this.context ) :
0;
targets = typeof selectors !== "string" && jQuery( selectors );
for ( ; i < l; i++ ) {
for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
// Positional selectors never match, since there's no _selection_ context
if ( !rneedsContext.test( selectors ) ) {
for ( ; i < l; i++ ) {
for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
// Always skip document fragments
if ( cur.nodeType < 11 && ( pos ?
pos.index( cur ) > -1 :
// Always skip document fragments
if ( cur.nodeType < 11 && ( targets ?
targets.index( cur ) > -1 :
// Don't pass non-elements to Sizzle
cur.nodeType === 1 &&
jQuery.find.matchesSelector( cur, selectors ) ) ) {
// Don't pass non-elements to Sizzle
cur.nodeType === 1 &&
jQuery.find.matchesSelector( cur, selectors ) ) ) {
matched.push( cur );
break;
matched.push( cur );
break;
}
}
}
}

View File

@ -323,7 +323,7 @@ QUnit[ jQuery.find.compile ? "test" : "skip" ]( "filter() with positional select
} );
QUnit.test( "closest()", function( assert ) {
assert.expect( 13 );
assert.expect( 14 );
var jq;
@ -344,6 +344,12 @@ QUnit.test( "closest()", function( assert ) {
// Test on disconnected node
assert.equal( jQuery( "<div><p></p></div>" ).find( "p" ).closest( "table" ).length, 0, "Make sure disconnected closest work." );
assert.deepEqual(
jQuery( "#firstp" ).closest( q( "qunit-fixture" ) ).get(),
q( "qunit-fixture" ),
"Non-string match target"
);
// Bug #7369
assert.equal( jQuery( "<div foo='bar'></div>" ).closest( "[foo]" ).length, 1, "Disconnected nodes with attribute selector" );
assert.equal( jQuery( "<div>text</div>" ).closest( "[lang]" ).length, 0, "Disconnected nodes with text and non-existent attribute selector" );
@ -355,10 +361,17 @@ QUnit.test( "closest()", function( assert ) {
} );
QUnit[ jQuery.find.compile ? "test" : "skip" ]( "closest() with positional selectors", function( assert ) {
assert.expect( 2 );
assert.expect( 3 );
assert.deepEqual( jQuery( "#qunit-fixture" ).closest( "div:first" ).get(), [], "closest(div:first)" );
assert.deepEqual( jQuery( "#qunit-fixture div" ).closest( "body:first div:last" ).get(), q( "fx-tests" ), "closest(body:first div:last)" );
assert.deepEqual( jQuery( "#qunit-fixture" ).closest( "div:first" ).get(), [],
"closest(div:first)" );
assert.deepEqual( jQuery( "#qunit-fixture div" ).closest( "body:first div:last" ).get(), [],
"closest(body:first div:last)" );
assert.deepEqual(
jQuery( "#qunit-fixture div" ).closest( "body:first div:last", document ).get(),
[],
"closest(body:first div:last, document)"
);
} );
QUnit.test( "closest(jQuery)", function( assert ) {