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/integration/backpack.test.js

@@ -0,0 +1,44 @@
+import path from 'path';
+import SeleniumHelper from '../helpers/selenium-helper';
+
+const {
+    clickText,
+    getDriver,
+    getLogs,
+    loadUri
+} = new SeleniumHelper();
+
+const uri = path.resolve(__dirname, '../../build/index.html');
+
+let driver;
+
+describe('Working with the how-to library', () => {
+    beforeAll(() => {
+        driver = getDriver();
+    });
+
+    afterAll(async () => {
+        await driver.quit();
+    });
+
+    test('Backpack is "Coming Soon" without backpack host param', async () => {
+        await loadUri(uri);
+        // Check that the backpack header is visible and wrapped in a coming soon tooltip
+        await clickText('Backpack', '*[@data-for="backpack-tooltip"]');
+        const logs = await getLogs();
+        await expect(logs).toEqual([]);
+    });
+
+    test('Backpack can be expanded with backpack host param', async () => {
+        await loadUri(`${uri}?backpack_host=https://backpack.scratch.mit.edu`);
+
+        // Try activating the backpack from the costumes tab to make sure it isn't pushed off
+        await clickText('Costumes');
+
+        // Check that the backpack header is visible and wrapped in a coming soon tooltip
+        await clickText('Backpack'); // Not wrapped in tooltip
+        await clickText('Backpack is empty'); // Make sure it can expand, is empty
+        const logs = await getLogs();
+        await expect(logs).toEqual([]);
+    });
+});