Chore: Optimizes adding Linter methods (fixes #9000) (#9007)

lib/linter.js

@@ -1288,13 +1288,18 @@ const externalMethods = {
 Object.keys(externalMethods).forEach(methodName => {
     const exMethodName = externalMethods[methodName];
 
-    // All functions expected to have less arguments than 5.
-    Linter.prototype[methodName] = function(a, b, c, d, e) {
-        if (this.sourceCode) {
-            return this.sourceCode[exMethodName](a, b, c, d, e);
-        }
-        return null;
-    };
+    // Applies the SourceCode methods to the Linter prototype
+    Object.defineProperty(Linter.prototype, methodName, {
+        value() {
+            if (this.sourceCode) {
+                return this.sourceCode[exMethodName].apply(this.sourceCode, arguments);
+            }
+            return null;
+        },
+        configurable: true,
+        writable: true,
+        enumerable: false
+    });
 });
 
 module.exports = Linter;