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/tw_packaged_runtime.js

@@ -0,0 +1,121 @@
+const {loadCostume} = require('../../src/import/load-costume');
+const {loadSound} = require('../../src/import/load-sound');
+const Runtime = require('../../src/engine/runtime');
+const makeTestStorage = require('../fixtures/make-test-storage');
+const FakeRenderer = require('../fixtures/fake-renderer');
+const FakeBitmapAdapter = require('../fixtures/fake-bitmap-adapter');
+const {test} = require('tap');
+
+global.Image = function () {
+    const image = {
+        width: 10,
+        height: 10
+    };
+    setTimeout(() => {
+        if (image.onload) {
+            image.onload();
+        }
+    });
+    return image;
+};
+
+class FakeAudioEngine {
+    decodeSoundPlayer () {
+        return Promise.resolve({
+            id: 0,
+            buffer: {
+                sampleRate: 1,
+                length: 1
+            }
+        });
+    }
+}
+
+test('load bitmap in packaged runtime', async t => {
+    const rt = new Runtime();
+    rt.convertToPackagedRuntime();
+    rt.attachRenderer(new FakeRenderer());
+    rt.attachV2BitmapAdapter(new FakeBitmapAdapter());
+    const storage = makeTestStorage();
+    rt.attachStorage(storage);
+    const asset = storage.createAsset(
+        storage.AssetType.ImageBitmap,
+        storage.DataFormat.PNG,
+        new ArrayBuffer(10),
+        null,
+        true
+    );
+    const costume = await loadCostume(`${asset.assetId}.png`, {asset}, rt);
+    t.equal(costume.asset, null);
+    t.end();
+});
+
+test('load vector in packaged runtime', async t => {
+    const rt = new Runtime();
+    rt.convertToPackagedRuntime();
+    rt.attachRenderer(new FakeRenderer());
+    const storage = makeTestStorage();
+    rt.attachStorage(storage);
+    const asset = storage.createAsset(
+        storage.AssetType.ImageVector,
+        storage.DataFormat.SVG,
+        new ArrayBuffer(10),
+        null,
+        true
+    );
+    const costume = await loadCostume(`${asset.assetId}.svg`, {asset}, rt);
+    t.equal(costume.asset, null);
+    t.end();
+});
+
+test('load sound in packaged runtime', async t => {
+    const rt = new Runtime();
+    rt.convertToPackagedRuntime();
+    const storage = makeTestStorage();
+    rt.attachStorage(storage);
+    rt.attachAudioEngine(new FakeAudioEngine());
+    const asset = storage.createAsset(
+        storage.AssetType.Sound,
+        storage.DataFormat.MP3,
+        new ArrayBuffer(10),
+        null,
+        true
+    );
+    const costume = await loadSound({
+        asset,
+        md5: `${asset.assetId}.mp3`
+    }, rt, null);
+    t.equal(costume.asset, null);
+    t.end();
+});
+
+test('storage.createAsset never generates real asset IDs', t => {
+    const rt = new Runtime();
+    rt.convertToPackagedRuntime();
+    const storage = makeTestStorage();
+    rt.attachStorage(storage);
+    const shouldUseGivenID = storage.createAsset(
+        storage.AssetType.ImageBitmap,
+        storage.DataFormat.PNG,
+        new ArrayBuffer(10),
+        'a'.repeat(32)
+    );
+    t.equal(shouldUseGivenID.assetId, 'a'.repeat(32));
+    const shouldUseFakeID = storage.createAsset(
+        storage.AssetType.ImageBitmap,
+        storage.DataFormat.PNG,
+        new ArrayBuffer(11),
+        null,
+        true
+    );
+    t.equal(shouldUseFakeID.assetId, '1');
+    const shouldUseDifferentFakeID = storage.createAsset(
+        storage.AssetType.ImageBitmap,
+        storage.DataFormat.PNG,
+        new ArrayBuffer(12),
+        null,
+        true
+    );
+    t.equal(shouldUseDifferentFakeID.assetId, '2');
+    t.end();
+});