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/unit/io_keyboard.js

@@ -0,0 +1,105 @@
+const test = require('tap').test;
+const Keyboard = require('../../src/io/keyboard');
+const Runtime = require('../../src/engine/runtime');
+
+test('spec', t => {
+    const rt = new Runtime();
+    const k = new Keyboard(rt);
+
+    t.type(k, 'object');
+    t.type(k.postData, 'function');
+    t.type(k.getKeyIsDown, 'function');
+    t.end();
+});
+
+test('space key', t => {
+    const rt = new Runtime();
+    const k = new Keyboard(rt);
+
+    k.postData({
+        key: ' ',
+        isDown: true
+    });
+    t.strictDeepEquals(k._keysPressed, ['space']);
+    t.strictEquals(k.getKeyIsDown('space'), true);
+    t.strictEquals(k.getKeyIsDown('any'), true);
+    t.end();
+});
+
+test('letter key', t => {
+    const rt = new Runtime();
+    const k = new Keyboard(rt);
+
+    k.postData({
+        key: 'a',
+        isDown: true
+    });
+    t.strictDeepEquals(k._keysPressed, ['A']);
+    t.strictEquals(k.getKeyIsDown(65), true);
+    t.strictEquals(k.getKeyIsDown('a'), true);
+    t.strictEquals(k.getKeyIsDown('A'), true);
+    t.strictEquals(k.getKeyIsDown('any'), true);
+    t.end();
+});
+
+test('number key', t => {
+    const rt = new Runtime();
+    const k = new Keyboard(rt);
+
+    k.postData({
+        key: '1',
+        isDown: true
+    });
+    t.strictDeepEquals(k._keysPressed, ['1']);
+    t.strictEquals(k.getKeyIsDown(49), true);
+    t.strictEquals(k.getKeyIsDown('1'), true);
+    t.strictEquals(k.getKeyIsDown('any'), true);
+    t.end();
+});
+
+test('non-english key', t => {
+    const rt = new Runtime();
+    const k = new Keyboard(rt);
+
+    k.postData({
+        key: '日',
+        isDown: true
+    });
+    t.strictDeepEquals(k._keysPressed, ['日']);
+    t.strictEquals(k.getKeyIsDown('日'), true);
+    t.strictEquals(k.getKeyIsDown('any'), true);
+    t.end();
+});
+
+/* TW: This test is disabled because we intentionally add support for modifier keys.
+test('ignore modifier key', t => {
+    const rt = new Runtime();
+    const k = new Keyboard(rt);
+
+    k.postData({
+        key: 'Shift',
+        isDown: true
+    });
+    t.strictDeepEquals(k._keysPressed, []);
+    t.strictEquals(k.getKeyIsDown('any'), false);
+    t.end();
+});
+*/
+
+test('keyup', t => {
+    const rt = new Runtime();
+    const k = new Keyboard(rt);
+
+    k.postData({
+        key: 'ArrowLeft',
+        isDown: true
+    });
+    k.postData({
+        key: 'ArrowLeft',
+        isDown: false
+    });
+    t.strictDeepEquals(k._keysPressed, []);
+    t.strictEquals(k.getKeyIsDown('left arrow'), false);
+    t.strictEquals(k.getKeyIsDown('any'), false);
+    t.end();
+});