Minor adjustments

Author: sergei-startsev

lib/util/Components.js

@@ -458,10 +458,7 @@ function componentRule(rule, context) {
         const node = scope.block;
         const isFunction = /Function/.test(node.type); // Functions
         const isArrowFunction = astUtil.isArrowFunction(node);
-        let enclosingScope = scope;
-        if (isArrowFunction) {
-          enclosingScope = utils.getArrowFunctionScope(scope);
-        }
+        const enclosingScope = isArrowFunction ? utils.getArrowFunctionScope(scope) : scope;
         const enclosingScopeParent = enclosingScope && enclosingScope.block.parent;
         const isClass = enclosingScope && astUtil.isClass(enclosingScope.block);
         const isMethod = enclosingScopeParent && enclosingScopeParent.type === 'MethodDefinition'; // Classes methods