const type= "a"; const menusConfig = { a: ["activity"], b: ["activity", "theme", "chessGame"], //mutiIdentity "c": ["activity"], d: ["activity", "theme"], f: ["activity"], g: ["activity"] }; const menus = (() => { let o = {}; let menu = menusConfig[type]; menu.forEach(item => { o[item] = true; }); return o; })(); module.exports = { menus: menus };