backport #3880

jsx-runtime/src/index.js

@@ -20,10 +20,11 @@ let vnodeId = 0;
  * @param {VNode['type']} type
  * @param {VNode['props']} props
  * @param {VNode['key']} [key]
- * @param {string} [__source]
- * @param {string} [__self]
+ * @param {unknown} [isStaticChildren]
+ * @param {unknown} [__source]
+ * @param {unknown} [__self]
  */
-function createVNode(type, props, key, __source, __self) {
+function createVNode(type, props, key, isStaticChildren, __source, __self) {
 	// We'll want to preserve `ref` in props to get rid of the need for
 	// forwardRef components in the future, but that should happen via
 	// a separate PR.

jsx-runtime/test/browser/jsx-runtime.test.js

@@ -1,4 +1,4 @@
-import { Component, createElement, createRef } from 'preact';
+import { createElement, createRef } from 'preact';
 import { jsx, jsxs, jsxDEV, Fragment } from 'preact/jsx-runtime';
 import { setupScratch, teardown } from '../../../test/_util/helpers';
 
@@ -32,7 +32,7 @@ describe('Babel jsx/jsxDEV', () => {
 	});
 
 	it('should set __source and __self', () => {
-		const vnode = jsx('div', { class: 'foo' }, 'key', 'source', 'self');
+		const vnode = jsx('div', { class: 'foo' }, 'key', false, 'source', 'self');
 		expect(vnode.__source).to.equal('source');
 		expect(vnode.__self).to.equal('self');
 	});