Initial commit of 001code-html Scratch frontend project.

Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config.

Co-authored-by: Cursor <cursoragent@cursor.com>

scratch-gui/test/unit/components/icon-button.test.jsx

@@ -0,0 +1,37 @@
+import React from 'react';
+import {shallow} from 'enzyme';
+import IconButton from '../../../src/components/icon-button/icon-button';
+import renderer from 'react-test-renderer';
+
+describe('IconButtonComponent', () => {
+    test('matches snapshot', () => {
+        const onClick = jest.fn();
+        const title = <div>Text</div>;
+        const imgSrc = 'imgSrc';
+        const className = 'custom-class-name';
+        const component = renderer.create(
+            <IconButton
+                className={className}
+                img={imgSrc}
+                title={title}
+                onClick={onClick}
+            />
+        );
+        expect(component.toJSON()).toMatchSnapshot();
+    });
+
+    test('triggers callback when clicked', () => {
+        const onClick = jest.fn();
+        const title = <div>Text</div>;
+        const imgSrc = 'imgSrc';
+        const componentShallowWrapper = shallow(
+            <IconButton
+                img={imgSrc}
+                title={title}
+                onClick={onClick}
+            />
+        );
+        componentShallowWrapper.simulate('click');
+        expect(onClick).toHaveBeenCalled();
+    });
+});