undefined 176 object 83 javascript 67 empty 63 array 57 typescript 56 type 52 string 50 check 46 boolean 44 number 38 is 37 optional 30 nodejs 30 utility 29 function 28 node 27 value 24 functional 23 option 21 typeof 20 json 20 nil 20 utils 20 false 19 util 19 test 17 maybe 17 clean 17 monad 16 validate 16 filter 15 validation 15 js 15 error 14 isnull 14 nullable 14 react 13 remove 13 defined 13 safe 13 void 12 assert 12 true 12 primitive 12 symbol 12 throw 11 property 11 plugin 11 validator 11 class 11 types 11 utilities 11 nullish 10 noop 10 default 10 stdlib 10 es6 10 deep 10 convert 10 assertion 10 nothing 10 falsy 10 integer 9 npm 9 async 9 simple 9 date 9 stream 9 truthy 9 valid 9 arguments 9 regexp 8 not 8 math 8 properties 8 float 8 try 8 module 8 fp 8 get 8 delete 8 NaN 8 testing 7 set 7 exception 7 blank 7 is-number 7 functional-programming 7 catch 7 proxy 7 key 7 cli 7 access 7 dev 7 map 7 parseInt 6 fun 6 break 6 instanceof 6