import _, {random} from "lodash"; declare global { interface Window { formStart: any; } } export {} function formStart() { console.log(window.pathConfig.root); const a = 10; const b:number[] = []; for(const v of _.range(10)){ b.push(random()*v); } console.log(a + 10); console.log(b); } window.formStart = formStart;