Remove unnecessary context variables

Change-Id: I5e715dd77a81bd42570e87e9fae67f5687b78e12

modules/ext.templateDataGenerator.data/Model.js

@@ -312,15 +312,14 @@ Model.prototype.getMissingParams = function () {
  * @return {Object} Parameters added. -1 for failure.
  */
 Model.prototype.importSourceCodeParameters = function () {
-	const model = this,
-		allParamNames = this.getAllParamNames(),
+	const allParamNames = this.getAllParamNames(),
 		existingArray = [],
 		importedArray = [],
 		skippedArray = [];
 
 	// Check existing params
 	allParamNames.forEach( ( paramKey ) => {
-		if ( model.sourceCodeParameters.indexOf( paramKey ) !== -1 ) {
+		if ( this.sourceCodeParameters.indexOf( paramKey ) !== -1 ) {
 			existingArray.push( paramKey );
 		}
 	} );
@@ -328,7 +327,7 @@ Model.prototype.importSourceCodeParameters = function () {
 	// Add sourceCodeParameters to the model
 	this.sourceCodeParameters.forEach( ( sourceCodeParameter ) => {
 		if ( existingArray.indexOf( sourceCodeParameter ) === -1 ) {
-			model.addParam( sourceCodeParameter );
+			this.addParam( sourceCodeParameter );
 			importedArray.push( sourceCodeParameter );
 		} else {
 			skippedArray.push( sourceCodeParameter );

modules/ext.templateDataGenerator.data/SourceHandler.js

@@ -114,8 +114,6 @@ SourceHandler.prototype.buildModel = function ( wikitext ) {
  * @return {jQuery.Promise} Promise resolving into template parameter array
  */
 SourceHandler.prototype.getParametersFromTemplateSource = function ( wikitext ) {
-	const sourceHandler = this;
-
 	let params = [];
 	if ( !this.templateSourceCodePromise ) {
 		// Check given page text first
@@ -141,7 +139,7 @@ SourceHandler.prototype.getParametersFromTemplateSource = function ( wikitext )
 					) {
 						pageContent = resp.query.pages[ resp.query.pageids[ 0 ] ].revisions[ 0 ][ '*' ];
 					}
-					return sourceHandler.extractParametersFromTemplateCode( pageContent );
+					return this.extractParametersFromTemplateCode( pageContent );
 				},
 				// Resolve an empty parameters array
 				() => $.Deferred().resolve( [] )

modules/ext.templateDataGenerator.editTemplatePage/Dialog.js

@@ -1337,7 +1337,7 @@ Dialog.prototype.importParametersFromTemplateCode = function () {
  */
 Dialog.prototype.getSetupProcess = function ( data ) {
 	return Dialog.super.prototype.getSetupProcess.call( this, data )
-		.next( function () {
+		.next( () => {
 			this.isSetup = false;
 
 			this.reset();
@@ -1397,7 +1397,7 @@ Dialog.prototype.getSetupProcess = function ( data ) {
 			this.panels.$element.show();
 
 			this.actions.setAbilities( { apply: false } );
-		}, this );
+		} );
 };
 
 /**
@@ -1494,64 +1494,63 @@ Dialog.prototype.switchPanels = function ( panel ) {
  */
 Dialog.prototype.getActionProcess = function ( action ) {
 	if ( action === 'add' ) {
-		return new OO.ui.Process( function () {
+		return new OO.ui.Process( () => {
 			this.switchPanels( this.addParamPanel );
-		}, this );
+		} );
 	}
 	if ( action === 'done' ) {
-		return new OO.ui.Process( function () {
+		return new OO.ui.Process( () => {
 			// setMapInfo with the value and keep the done button active
 			this.model.setMapInfo( this.mapsCache );
 			this.model.originalMaps = OO.copy( this.mapsCache );
 			this.switchPanels();
-		}, this );
+		} );
 	}
 	if ( action === 'back' ) {
-		return new OO.ui.Process( function () {
+		return new OO.ui.Process( () => {
 			this.switchPanels();
-		}, this );
+		} );
 	}
 	if ( action === 'maps' ) {
-		return new OO.ui.Process( function () {
+		return new OO.ui.Process( () => {
 			this.switchPanels( this.editMapsPanel );
-		}, this );
+		} );
 	}
 	if ( action === 'cancel' ) {
-		return new OO.ui.Process( function () {
+		return new OO.ui.Process( () => {
 			this.mapsCache = OO.copy( this.model.getOriginalMapsInfo() );
 			this.model.restoreOriginalMaps();
 			this.populateMapsItems( this.mapsCache );
 			this.onCancelAddingMap();
 			this.switchPanels();
-		}, this );
+		} );
 	}
 	if ( action === 'delete' ) {
-		return new OO.ui.Process( function () {
+		return new OO.ui.Process( () => {
 			this.model.deleteParam( this.selectedParamKey );
 			this.switchPanels();
-		}, this );
+		} );
 	}
 	if ( action === 'apply' ) {
-		return new OO.ui.Process( function () {
+		return new OO.ui.Process( () => {
 			Metrics.logEvent( this.model.getOriginalTemplateDataObject() ?
 				'save-page-edit' : 'save-page-create' );
 
 			this.emit( 'apply', this.model.outputTemplateData() );
 			this.close( { action: action } );
-		}, this );
+		} );
 	}
 	if ( !action && this.modified ) {
-		return new OO.ui.Process( function () {
-			const dialog = this;
-			return OO.ui.confirm( mw.msg( 'templatedata-modal-confirmcancel' ) )
+		return new OO.ui.Process(
+			() => OO.ui.confirm( mw.msg( 'templatedata-modal-confirmcancel' ) )
 				.then( ( result ) => {
 					if ( result ) {
-						dialog.close();
+						this.close();
 					} else {
 						return $.Deferred().resolve().promise();
 					}
-				} );
-		}, this );
+				} )
+		);
 	}
 	// Fallback to parent handler
 	return Dialog.super.prototype.getActionProcess.call( this, action );

modules/ext.templateDataGenerator.editTemplatePage/Target.js

@@ -15,8 +15,6 @@ const Dialog = require( './Dialog.js' ),
  * @param {Object} config
  */
 function Target( $textarea, config ) {
-	const target = this;
-
 	// Parent constructor
 	Target.super.call( this, config );
 
@@ -86,7 +84,7 @@ function Target( $textarea, config ) {
 						mw.message( 'templatedata-string-exists-hack-message' ).parse()
 					);
 
-					target.setEditNoticeMessage( msg, 'warning' );
+					this.setEditNoticeMessage( msg, 'warning' );
 				}
 			}
 		} );
@@ -154,8 +152,6 @@ Target.prototype.openEditDialog = function ( dataModel ) {
  * @method onEditOpenDialogButton
  */
 Target.prototype.onEditOpenDialogButton = function () {
-	const target = this;
-
 	this.originalWikitext = this.$textarea.textSelection( 'getContents' );
 
 	// Build the model
@@ -163,7 +159,7 @@ Target.prototype.onEditOpenDialogButton = function () {
 		.then(
 			// Success
 			( model ) => {
-				target.openEditDialog( model );
+				this.openEditDialog( model );
 			},
 			// Failure
 			() => {
@@ -189,9 +185,9 @@ Target.prototype.onEditOpenDialogButton = function () {
 						// Open the dialog with an empty model
 						const model = Model.static.newFromObject(
 							null,
-							target.sourceHandler.getTemplateSourceCodeParams()
+							this.sourceHandler.getTemplateSourceCodeParams()
 						);
-						target.openEditDialog( model );
+						this.openEditDialog( model );
 					}
 				} );
 			}
@@ -246,8 +242,6 @@ Target.prototype.replaceTemplateData = function ( newTemplateData ) {
  * @param {Object} templateData New templatedata
  */
 Target.prototype.onDialogApply = function ( templateData ) {
-	const target = this;
-
 	if (
 		Object.keys( templateData ).length > 1 ||
 		Object.keys( templateData.params ).length > 0
@@ -270,7 +264,7 @@ Target.prototype.onDialogApply = function ( templateData ) {
 			]
 		} ).closed.then( ( data ) => {
 			if ( data && data.action === 'apply' ) {
-				target.replaceTemplateData( templateData );
+				this.replaceTemplateData( templateData );
 			}
 		} );
 	}