typescript 94 maybe 49 option 44 monad 44 javascript 40 functional 37 null 30 undefined 26 result 26 functional-programming 21 nullable 21 some 18 type 15 object 15 none 14 java 14 parameters 14 function 13 arguments 13 fp 13 chaining 12 nodejs 11 utility 11 npm 11 require 11 value 10 dependencies 10 safe 9 worker 9 options 9 monads 9 args 9 async 9 promise 9 types 9 asynchronous 9 required 9 cloudflare 8 workers 8 serverless 8 cf 8 middleware 8 typed 8 router 8 try 8 cli 7 error 7 validation 7 unwrap 7 scala 7 functor 7 rust 7 either 7 node 7 just 7 default 7 callback 7 es6 7 js 7 array 6 nested 6 library 6 dependency 6 fallback 6 params 6 util 6 validate 6 api 6 package 6 esm 6 property 6 cloudflare-workers 6 nothing 6 nullish 5 query 5 or 5 cjs 5 optionals 5 umd 5 objects 5 error-handling 5 proxy 5 optional-js 5 argument 5 parameter 5 filter 5 generator 5 type-safety 5 optional chaining 5 typescript-library 5 swagger 4 handler 4 assert 4 string 4 flow 4 maybe-monad 4 module 4 check 4 plugin 4 stream 4