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-vm/test/integration/running_project_changed_state.js

@@ -0,0 +1,48 @@
+const path = require('path');
+const test = require('tap').test;
+const makeTestStorage = require('../fixtures/make-test-storage');
+const readFileToBuffer = require('../fixtures/readProjectFile').readFileToBuffer;
+const VirtualMachine = require('../../src/index');
+
+const uri = path.resolve(__dirname, '../fixtures/looks.sb2');
+const project = readFileToBuffer(uri);
+
+test('Running project should not emit project changed event', t => {
+    const vm = new VirtualMachine();
+    vm.attachStorage(makeTestStorage());
+
+    let projectChanged = false;
+    vm.on('PROJECT_CHANGED', () => {
+        projectChanged = true;
+    });
+
+    // Evaluate playground data and exit
+    vm.on('playgroundData', () => {
+        t.equal(projectChanged, false);
+        vm.quit();
+        t.end();
+    });
+
+    // Start VM, load project, and run
+    t.doesNotThrow(() => {
+        vm.start();
+        vm.clear();
+        vm.setCompatibilityMode(false);
+        vm.setTurboMode(false);
+        vm.loadProject(project).then(() => {
+            // The test in unit/project_load_changed_state.js tests
+            // that loading a project does not emit a project changed
+            // event. This setup tries to be agnostic of whether that
+            // test is passing or failing.
+            projectChanged = false;
+
+            vm.greenFlag();
+
+            // After two seconds, get playground data and stop
+            setTimeout(() => {
+                vm.getPlaygroundData();
+                vm.stopAll();
+            }, 2000);
+        });
+    });
+});