typescript 52 array 20 promise 20 map 19 async 18 functional 17 utility 15 javascript 15 error-handling 14 record 12 try-catch 11 filter 11 tuples 11 error 10 result 10 set 10 immutable 10 await 10 either 10 type 10 monad 9 validation 9 utilities 9 nodejs 9 identity 8 fp 8 list 8 load 8 node 8 process 8 merge 8 maybe 7 find 7 query 7 create 7 adt 7 update 7 store 7 datastore 7 recordstore 7 delete 7 db 7 database 7 structure 7 collection 7 cache 7 import 7 match 7 preprocess 7 export 7 save 7 es6 7 util 6 prototype 6 interface 6 type-safe 6 go-style 6 types 6 try 6 object 6 catch 6 number 6 union 6 safe 5 predicate 5 helper 5 functional-programming 5 pair 5 utils 5 data structure 5 typed 5 data 5 maptype 5 sequence 5 math 4 dictionary 4 encode 4 json 4 enum 4 memoization 4 error handling 4 runtime 4 golang 4 data-structures 4 function 4 string 4 binary 4 es2015 3 literal 3 monads 3 stream 3 weakmap 3 option 3 deep 3 immutability 3 babel 3 library 3 pairs 3 test 3 arrays 3