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-render/src/RenderConstants.js

@@ -0,0 +1,37 @@
+/** @module RenderConstants */
+
+/**
+ * Various constants meant for use throughout the renderer.
+ * @enum
+ */
+module.exports = {
+    /**
+     * The ID value to use for "no item" or when an object has been disposed.
+     * @const {int}
+     */
+    ID_NONE: -1,
+
+    /**
+     * @enum {string}
+     */
+    Events: {
+        /**
+         * Event emitted when the high quality render option changes.
+         */
+        UseHighQualityRenderChanged: 'UseHighQualityRenderChanged',
+
+        /**
+         * Event emitted when the private skin access option changes.
+         */
+        AllowPrivateSkinAccessChanged: 'AllowPrivateSkinAccessChanged',
+
+        /**
+         * NativeSizeChanged event
+         *
+         * @event RenderWebGL#event:NativeSizeChanged
+         * @type {object}
+         * @property {Array<int>} newSize - the new size of the renderer
+         */
+        NativeSizeChanged: 'NativeSizeChanged'
+    }
+};