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diff --git a/resources/lib/jquery/jquery.migrate.js b/resources/lib/jquery/jquery.migrate.js
index 7917349ea8..429a66bc12 100644
--- a/resources/lib/jquery/jquery.migrate.js
+++ b/resources/lib/jquery/jquery.migrate.js
@@ -1,6 +1,16 @@
/*!
* jQuery Migrate - v3.3.2 - 2020-11-17T23:22Z
* Copyright OpenJS Foundation and other contributors
+ *
+ * Patched for MediaWiki:
+ - Qualify the global lookup for 'jQuery' as 'window.jQuery',
+ * because within mw.loader.implement() for 'jquery', the closure
+ * specifies '$' and 'jQuery', which are undefined.
+ * - Add mw.track instrumentation for statistics.
+ * - Disable jQuery.migrateTrace by default. They are slow and
+ * redundant given console.warn() already provides a trace.
+ * - Don't warn for using features which have no plans for removal.
+ * - Explicit call to UNSAFE_restoreLegacyHtmlPrefilter()
*/
( function( factory ) {
"use strict";
@@ -19,7 +29,8 @@
} else {
// Browser globals
- factory( jQuery, window );
+ // PATCH: Qualify jQuery lookup as window.jQuery. --Krinkle
+ factory( window.jQuery, window );
}
} )( function( jQuery, window ) {
"use strict";
@@ -82,7 +93,8 @@ jQuery.migrateWarnings = [];
// Set to false to disable traces that appear with warnings
if ( jQuery.migrateTrace === undefined ) {
- jQuery.migrateTrace = true;
+ // PATCH: Disable extra console.trace() call --Krinkle
+ jQuery.migrateTrace = false;
}
// Forget any warnings we've already given; public
@@ -96,6 +108,14 @@ function migrateWarn( msg ) {
if ( !jQuery.migrateDeduplicateWarnings || !warnedAbout[ msg ] ) {
warnedAbout[ msg ] = true;
jQuery.migrateWarnings.push( msg );
+ // PATCH: Add instrumentation for statistics --Krinkle
+ if ( window.mw && window.mw.track ) {
+ window.mw.track( "mw.deprecate", "jquery-migrate" );
+ }
+
+ // PATCH: Disable extra console.trace() call --Krinkle
+ jQuery.migrateTrace = false;
+
if ( console && console.warn && !jQuery.migrateMute ) {
console.warn( "JQMIGRATE: " + msg );
if ( jQuery.migrateTrace && console.trace ) {
@@ -672,19 +692,7 @@ jQuery.each( [ "load", "unload", "error" ], function( _, name ) {
} );
-jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
- "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
- "change select submit keydown keypress keyup contextmenu" ).split( " " ),
- function( _i, name ) {
-
- // Handle event binding
- jQuery.fn[ name ] = function( data, fn ) {
- migrateWarn( "jQuery.fn." + name + "() event shorthand is deprecated" );
- return arguments.length > 0 ?
- this.on( name, null, data, fn ) :
- this.trigger( name );
- };
-} );
+// PATCH: Don't warn for using features which have no plans for removal. --Krinkle
// Trigger "ready" event only once, on document ready
jQuery( function() {
@@ -855,5 +863,8 @@ jQuery.Deferred.exceptionHook = oldDeferred.exceptionHook;
}
+// PATCH: Enable this migration option (disabled by default) to avoid breakage. --JDF/Krinkle
+jQuery.UNSAFE_restoreLegacyHtmlPrefilter()
+
return jQuery;
} );
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