Make condition more consistent and easy to read

Author: FloEdelmann

lib/rules/no-unused-refs.js

@@ -237,11 +237,10 @@ module.exports = {
           CallExpression(callExpression) {
             const firstArgument = callExpression.arguments[0]
             if (
-              ('name' in callExpression.callee &&
-                callExpression.callee.name !== 'useTemplateRef') ||
+              callExpression.callee.type !== 'Identifier' ||
+              callExpression.callee.name !== 'useTemplateRef' ||
               !firstArgument ||
-              (firstArgument.type !== 'Literal' &&
-                firstArgument.type !== 'TemplateLiteral')
+              !utils.isStringLiteral(firstArgument)
             ) {
               return
             }