diff --git a/src/DOMElementFilter.ts b/src/DOMElementFilter.ts
index 743c4e3b..0c8b0f4f 100644
--- a/src/DOMElementFilter.ts
+++ b/src/DOMElementFilter.ts
@@ -253,7 +253,7 @@ export default function createDOMElementFilter(
printChildren(
Array.prototype.slice
.call(node.childNodes || node.children)
- .filter(filterNode),
+ .filter(child => filterNode(child)),
config,
indentation + config.indent,
depth,
diff --git a/src/__tests__/pretty-dom.js b/src/__tests__/pretty-dom.js
index 2b6ae6b4..0b4095b4 100644
--- a/src/__tests__/pretty-dom.js
+++ b/src/__tests__/pretty-dom.js
@@ -117,6 +117,22 @@ test('prettyDOM can include all elements with a custom filter', () => {
`)
})
+test('prettyDOM calls filterNode with only the node argument', () => {
+ const {container} = renderIntoDocument(
+ 'Hello, Dave
Second',
+ )
+
+ const filterNode = jest.fn(() => true)
+
+ prettyDOM(container, Number.POSITIVE_INFINITY, {filterNode})
+
+ expect(filterNode).toHaveBeenCalledWith(expect.any(Node))
+ filterNode.mock.calls.forEach(callArgs => {
+ expect(callArgs).toHaveLength(1)
+ expect(callArgs[0]).toBeInstanceOf(Node)
+ })
+})
+
test('prettyDOM supports named custom elements', () => {
window.customElements.define(
'my-element-1',