Remove JavaScript global variable wgLoadScript

Use
  mw.util.wikiScript( 'load' )
instead of
  mw.config.get( 'wgLoadScript' )

The module 'mediawiki.util' now gets the value from a private config
variable.

Change-Id: Iae4f4754f40999ba9d7c7161e9a37820c4b5931c

RELEASE-NOTES-1.34

@@ -258,6 +258,8 @@ because of Phabricator reports.
   all deprecated in 1.25 and ignored, have been removed.
 * The API module method getDescriptionMessage(), deprecated in 1.30, has been
   removed.
+* The JavaScript global variable wgLoadScript has been removed. Use
+  mw.util.wikiScript( 'load' ) instead.
 * …
 
 === Deprecations in 1.34 ===

includes/resourceloader/ResourceLoaderStartUpModule.php

@@ -70,7 +70,6 @@ class ResourceLoaderStartUpModule extends ResourceLoaderModule {
 		// Build list of variables
 		$skin = $context->getSkin();
 		$vars = [
-			'wgLoadScript' => $conf->get( 'LoadScript' ),
 			'debug' => $context->getDebug(),
 			'skin' => $skin,
 			'stylepath' => $conf->get( 'StylePath' ),

resources/Resources.php

@@ -1262,7 +1262,10 @@ return [
 		'remoteBasePath' => "$wgResourceBasePath/resources/src",
 		'packageFiles' => [
 			'mediawiki.util.js',
-			[ 'name' => 'config.json', 'config' => [ 'FragmentMode' ] ],
+			[ 'name' => 'config.json', 'config' => [
+				'FragmentMode',
+				'LoadScript',
+			] ],
 		],
 		'dependencies' => [
 			'jquery.accessKeyLabel',

resources/src/mediawiki.util.js

@@ -188,7 +188,7 @@
 			if ( str === 'index' ) {
 				return mw.config.get( 'wgScript' );
 			} else if ( str === 'load' ) {
-				return mw.config.get( 'wgLoadScript' );
+				return config.LoadScript;
 			} else {
 				return mw.config.get( 'wgScriptPath' ) + '/' + str + '.php';
 			}

tests/qunit/suites/resources/mediawiki/mediawiki.util.test.js

@@ -232,11 +232,12 @@
 	} );
 
 	QUnit.test( 'wikiScript', function ( assert ) {
+		mw.util.setOptionsForTest( {
+			LoadScript: '/w/l.php'
+		} );
 		mw.config.set( {
 			// customized wgScript for T41103
 			wgScript: '/w/i.php',
-			// customized wgLoadScript for T41103
-			wgLoadScript: '/w/l.php',
 			wgScriptPath: '/w'
 		} );
 
@@ -246,8 +247,8 @@
 		assert.strictEqual( util.wikiScript( 'index' ), mw.config.get( 'wgScript' ),
 			'wikiScript( index ) returns wgScript'
 		);
-		assert.strictEqual( util.wikiScript( 'load' ), mw.config.get( 'wgLoadScript' ),
-			'wikiScript( load ) returns wgLoadScript'
+		assert.strictEqual( util.wikiScript( 'load' ), '/w/l.php',
+			'wikiScript( load ) returns /w/l.php'
 		);
 		assert.strictEqual( util.wikiScript( 'api' ), '/w/api.php', 'API path' );
 	} );