"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});const n=require("./util.js");function u(...l){const t=[];for(let s=0;s<l.length;s++){const e=l[s];if(e){if(n.isString(e))t.push(e);else if(n.isArray(e))for(let i=0;i<e.length;i++){const o=u(e[i]);o&&t.push(o)}else if(n.isObject(e))for(const i in e)e[i]&&t.push(i)}}return t.join(" ")}exports.default=u;
