Update lib/rules/no-unused-refs.js

Co-authored-by: Flo Edelmann <[email protected]>

Author: KazariEX

lib/rules/no-unused-refs.js

@@ -234,15 +234,12 @@ module.exports = {
             }
             extractUsedForPattern(refsNode)
           },
-          CallExpression(exp) {
-            if (exp.callee.name !== 'useTemplateRef') {
+          CallExpression(callExpression) {
+            const firstArgument = callExpression.arguments[0]
+            if (callExpression.callee.name !== 'useTemplateRef' || !firstArgument) {
               return
             }
-            const arg0 = exp.arguments[0]
-            if (!arg0) {
-              return
-            }
-            const name = utils.getStringLiteralValue(arg0)
+            const name = utils.getStringLiteralValue(firstArgument)
             if (name !== null) {
               usedRefs.add(name)
             }