.eslintrc: Enable and fix "max-statements-per-line": 1

I am surprised this was disabled. I investigated this after reviewing
some code by a new contributor which I was certain should have failed
the lint check, but passed.

Change-Id: I5b3c837b8ca3292f6e268b3922443bd9587eadbe

.eslintrc.json

@@ -16,6 +16,7 @@
 	},
 	"rules": {
 		"dot-notation": [ "error", { "allowKeywords": true } ],
+		"max-statements-per-line": [ "error", { "max": 1 } ],
 		"max-len": 0,
 		"valid-jsdoc": 0
 	}

modules/ve-mw/dm/nodes/ve.dm.MWLanguageVariantNode.js

@@ -359,10 +359,20 @@ ve.dm.MWLanguageVariantNode.prototype.getRuleType = function () {
  * @return {string}
  */
 ve.dm.MWLanguageVariantNode.static.getRuleType = function ( variantInfo ) {
-	if ( variantInfo.disabled ) { return 'disabled'; }
-	if ( variantInfo.filter ) { return 'filter'; }
-	if ( variantInfo.name ) { return 'name'; }
-	if ( variantInfo.twoway ) { return 'twoway'; }
-	if ( variantInfo.oneway ) { return 'oneway'; }
+	if ( variantInfo.disabled ) {
+		return 'disabled';
+	}
+	if ( variantInfo.filter ) {
+		return 'filter';
+	}
+	if ( variantInfo.name ) {
+		return 'name';
+	}
+	if ( variantInfo.twoway ) {
+		return 'twoway';
+	}
+	if ( variantInfo.oneway ) {
+		return 'oneway';
+	}
 	return 'unknown'; // should never happen
 };

modules/ve-mw/tests/ce/ve.ce.Surface.test.js

@@ -60,7 +60,9 @@ QUnit.test( 'handleLinearDelete', function ( assert ) {
 		} );
 	} );
 
-	promise.finally( function () { done(); } );
+	promise.finally( function () {
+		done();
+	} );
 } );
 
 QUnit.test( 'beforePaste/afterPaste', function ( assert ) {

modules/ve-mw/tests/ve.test.utils.js

@@ -25,7 +25,9 @@
 		this.imageInfoCache = null;
 	}
 	OO.inheritClass( MWDummyPlatform, ve.init.mw.Platform );
-	MWDummyPlatform.prototype.getMessage = function () { return Array.prototype.join.call( arguments, ',' ); };
+	MWDummyPlatform.prototype.getMessage = function () {
+		return Array.prototype.join.call( arguments, ',' );
+	};
 	MWDummyPlatform.prototype.getHtmlMessage = function () {
 		var $wrapper = $( '<div>' );
 		Array.prototype.forEach.call( arguments, function ( arg, i, args ) {

modules/ve-mw/ui/inspectors/ve.ui.MWLanguageVariantInspector.js

@@ -595,7 +595,8 @@ ve.ui.MWLanguageVariantTwoWayInspector.prototype.getDefaultVariantInfo = functio
 ve.ui.MWLanguageVariantTwoWayInspector.prototype.getSetupProcess = function ( data ) {
 	return ve.ui.MWLanguageVariantTwoWayInspector.super.prototype.getSetupProcess.call( this, data ).next( function () {
 		var variantInfo = this.variantNode.getVariantInfo();
-		this.layout.clearItems(); this.items = [];
+		this.layout.clearItems();
+		this.items = [];
 		variantInfo.twoway.forEach( function ( tw, idx ) {
 			this.items[ idx ] = this.createItem( tw.l, tw.t );
 			this.layout.addItems( [ this.items[ idx ].layout ] );
@@ -745,7 +746,8 @@ ve.ui.MWLanguageVariantOneWayInspector.prototype.getDefaultVariantInfo = functio
 ve.ui.MWLanguageVariantOneWayInspector.prototype.getSetupProcess = function ( data ) {
 	return ve.ui.MWLanguageVariantOneWayInspector.super.prototype.getSetupProcess.call( this, data ).next( function () {
 		var variantInfo = this.variantNode.getVariantInfo();
-		this.layout.clearItems(); this.items = [];
+		this.layout.clearItems();
+		this.items = [];
 		variantInfo.oneway.forEach( function ( ow, idx ) {
 			this.items[ idx ] = this.createItem( ow.f, ow.l, ow.t );
 			this.layout.addItems( [ this.items[ idx ].layout ] );