typeof 65 type 53 check 38 is 32 utility 31 validate 30 javascript 30 types 29 validation 28 object 27 class 26 util 25 assert 24 assertion 21 typescript 21 instance 21 checking 20 test 18 prototype 14 nodejs 14 stdlib 13 verify 13 static 13 utils 13 kind 12 node 12 inheritance 11 isArray 11 this 11 constructor 11 compare 10 error 10 interface 10 js 9 primitive 9 super 9 guard 9 predicate 9 catch 8 type-checking 8 npm-package 8 predicates 8 guards 8 parent 8 function 8 utilities 7 eslint 7 eslintplugin 7 new 7 inherit 7 spread 7 implements 7 testing 7 native 7 block 7 rest 7 ignore 7 scope 7 name 6 cli 6 browser 6 lodash 6 functional 6 boolean 6 inherits 6 ecmascript 6 type-check 6 extends 6 null 6 try 6 abstract 6 oop 6 valid 6 ES6 6 throw 6 async 5 assign 5 public 5 form 5 simple 5 ES5 5 tested 5 mixin 5 package 5 is-number 5 shim 5 value 5 node-js 5 extend 5 private 5 array 5 npm 5 String 5 symbol 5 select 5 isPrototypeOf 5 switch 5 enum 5 validator 5 d-was-already-here 4