Complete Cocos Creator port with level bundles, themes, and tooling.

Adds level prefabs, theme assets, audio, extensions, and deployment scripts for the Unity WebGL migration.

Co-authored-by: Cursor <cursoragent@cursor.com>

extensions/plugin-import-2x/creator/convertor/ts.ts

@@ -0,0 +1,47 @@
+import { ImporterBase } from '../common/base';
+import { scriptList, scriptName} from "../common/utlis";
+import {parseTSCode} from "../common/parseCode";
+
+export class TSImporter extends ImporterBase {
+    type: string = 'script';
+    async import(main: any): Promise<boolean> {
+        try {
+            this._3dMeta.ver = '4.0.21';
+            this._3dMeta.importer = 'typescript';
+            let name = this.pathInfo!.name;
+            // 类名只保留字母
+            name = scriptName.getValidClassName(name);
+            let code = this.readFileSync();
+            if (code) {
+                let needParse = false;
+                let commentCode = '';
+                code.trim().split('\n').forEach((line: string) => {
+                    commentCode += '// ' + line + `\n`;
+                    if (line.includes('export default class ') ||
+                        line.includes('export class ') ||
+                        line.includes('@ccclass')
+                    ) {
+                        needParse = true;
+                    }
+                });
+                if (needParse) {
+                    const data = await parseTSCode(name, this.sourceFsPath);
+                    this._2dTo3dSource = data.content;
+                    this._2dTo3dSource += `/**\n`;
+                    this._2dTo3dSource += ` * ${Editor.I18n.t('plugin-import-2x.plugin_js_tips')}\n`;
+                    this._2dTo3dSource += ` */\n`;
+                    this._2dTo3dSource += commentCode;
+                } else {
+                    this._2dTo3dSource = code;
+                }
+
+                scriptList.set(name, this.destFsPath);
+            }
+            return true;
+        }
+        catch (e) {
+            console.error(e + ',\n this file path: ' + this.sourceFsPath);
+            return false;
+        }
+    }
+}