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/js.ts

@@ -0,0 +1,92 @@
+import { ImporterBase } from '../common/base';
+import { scriptList, replaceScriptList, updateReplaceScriptList, SKIPS_SCRIPT, scriptName } from "../common/utlis";
+import { parseJSCode } from "../common/parseCode";
+
+export class JSImporter extends ImporterBase {
+    type: string = 'script';
+
+    async beforeImport(projectRoot: string, sourceFsPath: string): Promise<boolean> {
+        const skip = SKIPS_SCRIPT.find(value => {
+            return sourceFsPath.endsWith(value);
+        });
+        if (skip) {
+            return false;
+        }
+        return await super.beforeImport(projectRoot, sourceFsPath);
+    }
+
+    async import(main: any): Promise<boolean> {
+        this._3dMeta.ver = '4.0.21';
+        this._3dMeta.importer = 'javascript';
+        let name = this.pathInfo!.name;
+
+        // 类名只保留字母
+        name = scriptName.getValidClassName(name);
+        const baseCode = this.readFileSync();
+        if (baseCode) {
+            let needParse = false;
+            let commentCode = '';
+            baseCode.trim().split('\n').forEach((line: string) => {
+                commentCode += '// ' + line + `\n`;
+                if (line.includes('cc.Class(')) {
+                    needParse = true;
+                }
+            });
+
+            let code = '';
+            if (this._2dMeta && this._2dMeta.isPlugin) {
+                this._3dMeta.userData = {
+                    isPlugin: this._2dMeta.isPlugin,
+                    loadPluginInWeb: this._2dMeta.loadPluginInWeb,
+                    loadPluginInNative: this._2dMeta.loadPluginInNative,
+                    loadPluginInEditor: this._2dMeta.loadPluginInEditor,
+                    importAsPlugin: this._2dMeta.isPlugin,
+                }
+            } else {
+                if (needParse) {
+                    const data = await parseJSCode(this.sourceFsPath, name);
+                    code += data.topNote;
+                    if (baseCode.includes('cc.Class(')) {
+                        const classInfo: any = await this.queryCCClass(main.$.engine2D, {
+                            type: 'js',
+                            path: this.destFsPath,
+                            name: name,
+                            code: baseCode,
+                            classCount: 1,
+                            ccKeys: data.ccKeys,
+                            importCodeMap: data.importCodeMap,
+                            otherCodeMap: data.otherCodeMap,
+                            classCodeMap: data.classCodeMap,
+                            endCodeMap: data.endCodeMap,
+                            replaceScriptList: replaceScriptList,
+                        });
+
+                        if (classInfo) {
+                            if (name !== classInfo.name) {
+                                console.warn(Editor.I18n.t('plugin-import-2x.script_rename_tips', {
+                                    old: name,
+                                    new: classInfo.name
+                                }));
+                            }
+                            updateReplaceScriptList(classInfo.replaceScriptList);
+                            code += classInfo.classCode;
+                        }
+                    } else {
+                        console.warn(Editor.I18n.t('plugin-import-2x.skip_script_warn', {
+                            name: this.pathInfo!.name,
+                        }));
+                    }
+                    code += `/**\n`;
+                    code += ` * ${Editor.I18n.t('plugin-import-2x.plugin_js_tips')}\n`;
+                    code += ` */\n`;
+                    code += commentCode;
+                    this._2dTo3dSource = code;
+                } else {
+                    this._2dTo3dSource = baseCode;
+                }
+                scriptList.set(this.pathInfo!.name, this.destFsPath);
+            }
+        }
+        return true;
+    }
+}