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/addSprite.js

@@ -0,0 +1,79 @@
+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/virtual-machine');
+const RenderedTarget = require('../../src/sprites/rendered-target');
+
+const projectUri = path.resolve(__dirname, '../fixtures/default.sb2');
+const project = readFileToBuffer(projectUri);
+
+const vm = new VirtualMachine();
+
+test('spec', t => {
+    t.type(vm.addSprite, 'function');
+    t.end();
+});
+
+test('default cat', t => {
+    // Get default cat from .sprite2
+    const uri = path.resolve(__dirname, '../fixtures/example_sprite.sprite2');
+    const sprite = readFileToBuffer(uri);
+
+    vm.attachStorage(makeTestStorage());
+
+    // Evaluate playground data and exit
+    vm.on('playgroundData', e => {
+        const threads = JSON.parse(e.threads);
+        t.ok(threads.length === 0);
+        vm.quit();
+        t.end();
+    });
+
+    vm.start();
+    vm.clear();
+    vm.setCompatibilityMode(false);
+    vm.setTurboMode(false);
+    t.doesNotThrow(() => {
+        vm.loadProject(project).then(() => {
+
+            t.equal(vm.runtime.targets.length, 2); // stage and default sprite
+
+            // Add another sprite
+            vm.addSprite(sprite).then(() => {
+                const targets = vm.runtime.targets;
+
+                // Test
+                t.type(targets, 'object');
+                t.equal(targets.length, 3);
+
+                const newTarget = targets[2];
+
+                t.ok(newTarget instanceof RenderedTarget);
+                t.type(newTarget.id, 'string');
+                t.type(newTarget.blocks, 'object');
+                t.type(newTarget.variables, 'object');
+                const varIds = Object.keys(newTarget.variables);
+                t.type(varIds.length, 1);
+                const variable = newTarget.variables[varIds[0]];
+                t.equal(variable.name, 'foo');
+                t.equal(variable.value, 0);
+
+                t.equal(newTarget.isOriginal, true);
+                t.equal(newTarget.currentCostume, 0);
+                t.equal(newTarget.isOriginal, true);
+                t.equal(newTarget.isStage, false);
+                t.equal(newTarget.sprite.name, 'Apple');
+
+                vm.greenFlag();
+
+                setTimeout(() => {
+                    t.equal(variable.value, 10);
+                    vm.getPlaygroundData();
+                    vm.stopAll();
+                }, 1000);
+            });
+        });
+    });
+});