typeof 61 type 53 check 38 is 32 validate 30 types 29 validation 28 javascript 27 object 27 utility 25 assert 24 util 23 assertion 21 class 21 checking 20 instance 19 typescript 19 test 18 nodejs 14 prototype 14 verify 13 kind 12 isArray 11 compare 10 error 10 primitive 9 static 9 guard 9 predicate 9 inheritance 9 predicates 8 guards 8 type-checking 8 node 8 npm-package 8 inherit 7 utils 7 eslint 7 eslintplugin 7 block 7 scope 7 interface 7 this 7 rest 7 spread 7 ignore 7 constructor 7 browser 6 inherits 6 stdlib 6 type-check 6 oop 6 valid 6 library 5 js 5 mixin 5 validator 5 utilities 5 extend 5 array 5 node-js 5 super 5 value 5 catch 4 string 4 errors 4 typeguards 4 decorator 4 isString 4 proto 4 isNumber 4 parent 4 implements 4 function 4 regexp 4 runtime 3 isObject 3 method 3 stdassert 3 classes 3 testing 3 object-oriented 3 undefined 3 isWeakMap 3 isMap 3 new 3 eslint-plugin 3 regex 3 regular expression 3 type-of 3 of 3 ts 3 assertions 3 stack 3 exception 3 match 3 date 2 Function 2 debounce 2 throttle 2