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4c1171f2ed
Re-introduce the `selector-native` similar to the one on the `3.x-stable`
branch. One difference is since the `main` branch inlined Sizzle, some
selector utils can be shared between the main `selector` module and
`selector-native`.
The main `selector` module can be disabled in favor of `selector-native`
via:
grunt custom:-selector
Other changes:
* Tests: Fix Safari detection - Chrome Headless has a different user
agent than Safari and a browser check in selector tests didn't take
that into account.
* Tests: Run selector-native tests in `npm test`
* Selector: Fix querying on document fragments
Ref gh-4395
Closes gh-5085
89 lines
2.7 KiB
JavaScript
89 lines
2.7 KiB
JavaScript
/*
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* Optional limited selector module for custom builds.
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*
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* Note that this DOES NOT SUPPORT many documented jQuery
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* features in exchange for its smaller size:
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*
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* * Attribute not equal selector (!=)
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* * Positional selectors (:first; :eq(n); :odd; etc.)
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* * Type selectors (:input; :checkbox; :button; etc.)
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* * State-based selectors (:animated; :visible; :hidden; etc.)
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* * :has(selector)
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* * :not(complex selector)
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* * custom selectors via jQuery extensions
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* * Leading combinators (e.g., $collection.find("> *"))
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* * Reliable functionality on XML fragments
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* * Requiring all parts of a selector to match elements under context
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* (e.g., $div.find("div > *") now matches children of $div)
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* * Matching against non-elements
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* * Reliable sorting of disconnected nodes
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* * querySelectorAll bug fixes (e.g., unreliable :focus on WebKit)
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*
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* If any of these are unacceptable tradeoffs, either use the full
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* selector engine or customize this stub for the project's specific
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* needs.
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*/
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import jQuery from "./core.js";
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import document from "./var/document.js";
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import documentElement from "./var/documentElement.js";
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import whitespace from "./var/whitespace.js";
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// The following utils are attached directly to the jQuery object.
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import "./selector/contains.js";
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import "./selector/escapeSelector.js";
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import "./selector/uniqueSort.js";
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// Support: IE 9 - 11+
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// IE requires a prefix.
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var matches = documentElement.matches || documentElement.msMatchesSelector;
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jQuery.extend( {
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find: function( selector, context, results, seed ) {
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var elem, nodeType,
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i = 0;
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results = results || [];
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context = context || document;
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// Same basic safeguard as in the full selector module
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if ( !selector || typeof selector !== "string" ) {
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return results;
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}
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// Early return if context is not an element, document or document fragment
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if ( ( nodeType = context.nodeType ) !== 1 && nodeType !== 9 && nodeType !== 11 ) {
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return [];
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}
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if ( seed ) {
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while ( ( elem = seed[ i++ ] ) ) {
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if ( jQuery.find.matchesSelector( elem, selector ) ) {
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results.push( elem );
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}
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}
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} else {
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jQuery.merge( results, context.querySelectorAll( selector ) );
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}
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return results;
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},
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expr: {
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attrHandle: {},
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match: {
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bool: new RegExp( "^(?:checked|selected|async|autofocus|autoplay|controls|defer" +
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"|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped)$", "i" ),
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needsContext: new RegExp( "^" + whitespace + "*[>+~]" )
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}
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}
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} );
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jQuery.extend( jQuery.find, {
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matches: function( expr, elements ) {
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return jQuery.find( expr, null, null, elements );
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},
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matchesSelector: function( elem, expr ) {
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return matches.call( elem, expr );
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}
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} );
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