typeof 67 type 54 check 39 is 33 utility 32 validate 31 javascript 30 types 30 validation 29 object 28 class 27 util 26 assert 25 typescript 24 assertion 22 checking 21 instance 21 test 19 nodejs 14 verify 14 prototype 14 static 13 utils 13 kind 13 stdlib 13 node 12 inheritance 12 compare 11 constructor 11 this 11 isArray 11 error 10 primitive 10 interface 10 super 9 guard 9 predicate 9 js 9 npm-package 8 parent 8 catch 8 predicates 8 guards 8 function 8 type-checking 8 testing 7 utilities 7 native 7 implements 7 ignore 7 spread 7 rest 7 scope 7 block 7 eslintplugin 7 eslint 7 inherit 7 new 7 name 6 ecmascript 6 lodash 6 inherits 6 oop 6 type-check 6 browser 6 boolean 6 cli 6 abstract 6 try 6 extends 6 mixin 6 null 6 valid 6 ES6 6 functional 6 form 5 value 5 shim 5 isPrototypeOf 5 simple 5 npm 5 typeguards 5 String 5 ES5 5 enum 5 package 5 extend 5 array 5 assign 5 async 5 throw 5 select 5 public 5 private 5 switch 5 tested 5 node-js 5 symbol 5 validator 5 is-number 5