diff --git a/src/findNode.ts b/src/findNode.ts
index 4f62f58..94826b2 100644
--- a/src/findNode.ts
+++ b/src/findNode.ts
@@ -1,5 +1,5 @@
 import { FiberNode } from "./mocked-types";
-import { isNotHtmlLike } from "./utils";
+import { isNodeNotHtmlLike } from "./utils";
 
 function findNodeByComponentName(
   node: FiberNode | null,
@@ -9,8 +9,7 @@ function findNodeByComponentName(
     return null;
   }
 
-  if (isNotHtmlLike(node) && node.type.name === expectedName) {
-    // console.debug("Found node " + node);
+  if (isNodeNotHtmlLike(node) && node.type.name === expectedName) {
     return node;
   }
 
@@ -38,8 +37,7 @@ function findNodeByComponent(
     return null;
   }
 
-  if (isNotHtmlLike(node) && node.type === expectedClassOrFunction) {
-    // console.debug("Found node " + node);
+  if (isNodeNotHtmlLike(node) && node.type === expectedClassOrFunction) {
     return node;
   }
 
@@ -67,8 +65,7 @@ function findNodeByComponentInstance(
     return null;
   }
 
-  if (isNotHtmlLike(node) && node.stateNode === expectedClassInstance) {
-    // console.debug("Found node " + node);
+  if (isNodeNotHtmlLike(node) && node.stateNode === expectedClassInstance) {
     return node;
   }
 
diff --git a/src/utils.ts b/src/utils.ts
index 58a1569..d03253e 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,11 +1,20 @@
-import { FiberNode, FiberNodeisHTMLLike } from './mocked-types';
+import * as React from 'react';
+import { FiberNode, FiberNodeisHTMLLike, FiberNodeForFunctionComponent, FiberNodeForComponentClass } from './mocked-types';
 
-function isHtmlLike(node: FiberNode): node is FiberNodeisHTMLLike {
+function isNodeHtmlLike(node: FiberNode): node is FiberNodeisHTMLLike {
     return (typeof node.type === "string") || node.type === null;
 }
 
-function isNotHtmlLike(node: FiberNode): node is Exclude<FiberNode, FiberNodeisHTMLLike> {
-    return !isHtmlLike(node);
+function isNodeNotHtmlLike(node: FiberNode): node is Exclude<FiberNode, FiberNodeisHTMLLike> {
+    return !isNodeHtmlLike(node);
 }
 
-export { isHtmlLike, isNotHtmlLike };
\ No newline at end of file
+function isNodeFunctionComponent(node: FiberNode): node is FiberNodeForFunctionComponent {
+    return isNodeNotHtmlLike(node) && node.stateNode === null;
+}
+
+function isNodeComponentClass(node: FiberNode): node is FiberNodeForComponentClass {
+    return isNodeNotHtmlLike(node) && (node.stateNode instanceof React.Component);
+}
+
+export { isNodeHtmlLike, isNodeNotHtmlLike, isNodeFunctionComponent, isNodeComponentClass };
\ No newline at end of file