* Ignored (and defaulted to `true`) if the document-ready event has already occurred.
*/
function addScript( src, callback, async ) {
- /*jshint evil:true */
- var script, head, done;
-
- // Using isReady directly instead of storing it locally from
- // a $.fn.ready callback (bug 31895).
+ // Using isReady directly instead of storing it locally from a $().ready callback (bug 31895)
if ( $.isReady || async ) {
- // Can't use jQuery.getScript because that only uses <script> for cross-domain,
- // it uses XHR and eval for same-domain scripts, which we don't want because it
- // messes up line numbers.
- // The below is based on jQuery ([jquery@1.9.1]/src/ajax/script.js)
-
- // IE-safe way of getting an append target. In old IE document.head isn't supported
- // and its getElementsByTagName can't find <head> until </head> is parsed.
- done = false;
- head = document.head || document.getElementsByTagName( 'head' )[0] || document.documentElement;
-
- script = document.createElement( 'script' );
- script.async = true;
- script.src = src;
- if ( $.isFunction( callback ) ) {
- script.onload = script.onreadystatechange = function () {
- if (
- !done
- && (
- !script.readyState
- || /loaded|complete/.test( script.readyState )
- )
- ) {
- done = true;
-
- // Handle memory leak in IE
- script.onload = script.onreadystatechange = null;
-
- // Detach the element from the document
- if ( script.parentNode ) {
- script.parentNode.removeChild( script );
- }
-
- // Dereference the element from javascript
- script = undefined;
-
- callback();
- }
- };
- }
-
- if ( window.opera ) {
- // Appending to the <head> blocks rendering completely in Opera,
- // so append to the <body> after document ready. This means the
- // scripts only start loading after the document has been rendered,
- // but so be it. Opera users don't deserve faster web pages if their
- // browser makes it impossible.
- $( function () {
- document.body.appendChild( script );
- } );
- } else {
- // Circumvent IE6 bugs with base elements (jqbug.com/2709, jqbug.com/4378)
- // by prepending instead of appending.
- head.insertBefore( script, head.firstChild );
- }
+ $.ajax( {
+ url: src,
+ dataType: 'script',
+ // Force jQuery behaviour to be for crossDomain. Otherwise jQuery would use
+ // XHR for a same domain request instead of <script>, which changes the request
+ // headers (potentially missing a cache hit), and reduces caching in general
+ // since browsers cache XHR much less (if at all). And XHR means we retreive
+ // text, so we'd need to $.globalEval, which then messes up line numbers.
+ crossDomain: true,
+ cache: true,
+ async: true
+ } ).always( function () {
+ if ( callback ) {
+ callback();
+ }
+ } );
} else {
+ /*jshint evil:true */
document.write( mw.html.element( 'script', { 'src': src }, '' ) );
- if ( $.isFunction( callback ) ) {
- // Document.write is synchronous, so this is called when it's done
- // FIXME: that's a lie. doc.write isn't actually synchronous
+ if ( callback ) {
+ // Document.write is synchronous, so this is called when it's done.
+ // FIXME: That's a lie. doc.write isn't actually synchronous.
callback();
}
}
dépôts / lhc / web / wiklou.git / commitdiff