Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

npmjs.org "checking" keyword

Top 8.2% on npmjs.org
environment 1.1.0 💰
Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
4 versions - Latest release: 18 days ago - 3 dependent packages - 19 dependent repositories - 241 thousand downloads last month - 80 stars on GitHub - 1 maintainer
Top 7.9% on npmjs.org
@esm2cjs/is 5.6.0 💰
Type check values. This is a fork of sindresorhus/is, but with CommonJS support.
7 versions - Latest release: 10 months ago - 3 dependent packages - 16 dependent repositories - 6.13 thousand downloads last month - 0 stars on GitHub - 1 maintainer
argc 0.1.1
A small library I have used for years to provide efficient and consistent run-time argument valid...
2 versions - Latest release: over 9 years ago - 2 dependent packages - 1 dependent repositories - 9 downloads last month - 0 stars on GitHub - 1 maintainer
runtype 0.2.3
Runtime type checking for Javascript.
10 versions - Latest release: almost 7 years ago - 7 dependent packages - 2 dependent repositories - 26 downloads last month - 0 stars on GitHub - 1 maintainer
Top 2.0% on npmjs.org
typy 3.3.0
Minimal JavaScript type checking library
20 versions - Latest release: over 4 years ago - 41 dependent packages - 277 dependent repositories - 55.9 thousand downloads last month - 227 stars on GitHub - 1 maintainer
node-graphql-constraint-lambda 3.2.2
GraphQL 'constraint' directive written in functional programming style
5 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 29 downloads last month - 11 stars on GitHub - 1 maintainer
@connor-mcintyre/exist-js 0.1.0
Does existance checking for you.
1 version - Latest release: about 6 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 1 maintainer
allege 2.0.1
Make complex conditionals easier to read and write
8 versions - Latest release: about 6 years ago - 6 dependent packages - 4 dependent repositories - 189 downloads last month - 1 stars on GitHub - 1 maintainer
typescript-runtime-types 1.1.9
Typescript transformer allowing to test if the structure of an object matches an interface/type
21 versions - Latest release: over 5 years ago - 1 dependent repositories - 38 downloads last month - 1 maintainer
@o3/typed 0.1.3
Simplistic and minimal runtime type checking system for Node.js applications
2 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
storkjs-persistence 0.0.3
Basic persistence capabilities for the data object.
3 versions - Latest release: about 7 years ago - 1 dependent repositories - 10 downloads last month - 1 stars on GitHub - 5 maintainers
diff-merge 0.0.5
[![Build Status](https://travis-ci.org/storkjs/merge-diff.svg)](http://travis-ci.org/storkjs/merg...
1 version - Latest release: over 8 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 3 stars on GitHub - 1 maintainer
safetify 3.0.1 💰
Utility for resolving and making values types safe
14 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 20 downloads last month - 7 stars on GitHub - 1 maintainer
error-if-index-not-valid 2.0.0
Function triggers error if a given index cannot exist in a given array length
2 versions - Latest release: almost 4 years ago - 9 dependent packages - 14 dependent repositories - 107 downloads last month - 0 stars on GitHub - 1 maintainer
@edge-js/type-is 1.6.18
Infer the content-type of a request.
1 version - Latest release: 8 months ago - 4 downloads last month - 0 stars on GitHub - 1 maintainer
checkingagain 1.0.0
This is for checksum creation and verification
1 version - Latest release: over 4 years ago - 1 dependent package - 6 downloads last month - 0 stars on GitHub - 1 maintainer
Top 2.3% on npmjs.org
typechecker 9.3.0 💰
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
135 versions - Latest release: 5 months ago - 50 dependent packages - 15,842 dependent repositories - 812 thousand downloads last month - 47 stars on GitHub - 1 maintainer
Top 8.7% on npmjs.org
simple-type-guards 0.3.0
A set of type checks, guards, and predicates for simpler, safer, and easier to read code.
5 versions - Latest release: over 2 years ago - 8 dependent packages - 7 dependent repositories - 757 downloads last month - 2 stars on GitHub - 1 maintainer
Top 3.0% on npmjs.org
@marionebl/is 0.5.1-0 💰
Type check values: `is.string('🦄') //=> true`
1 version - Latest release: over 6 years ago - 2 dependent packages - 193 dependent repositories - 1.81 thousand downloads last month - 1,615 stars on GitHub - 1 maintainer
Top 0.9% on npmjs.org
@sindresorhus/is 6.3.1 💰
Type check values
55 versions - Latest release: 16 days ago - 336 dependent packages - 1,059,702 dependent repositories - 72.2 million downloads last month - 1,615 stars on GitHub - 1 maintainer
Top 0.8% on npmjs.org
ow 2.0.0 💰
Function argument validation for humans
44 versions - Latest release: 27 days ago - 480 dependent packages - 46,961 dependent repositories - 3.23 million downloads last month - 3,781 stars on GitHub - 1 maintainer
ow--fork-by-jblew-with-catching 0.13.5 💰
Function argument validation for humans
4 versions - Latest release: over 4 years ago - 4 dependent packages - 8 dependent repositories - 6 downloads last month - 3,781 stars on GitHub - 1 maintainer
@rastopyr/ow 0.13.2 💰
Function argument validation for humans
2 versions - Latest release: almost 5 years ago - 2 dependent packages - 1 dependent repositories - 4 downloads last month - 3,781 stars on GitHub - 1 maintainer
Top 5.8% on npmjs.org
@tamagui/ow 0.28.1 💰
Function argument validation for humans
1 version - Latest release: over 2 years ago - 2 dependent packages - 15 dependent repositories - 57 downloads last month - 3,781 stars on GitHub - 1 maintainer
Top 2.0% on npmjs.org
@sapphire/shapeshift 3.9.7 💰
Blazing fast input validation and transformation âš¡
412 versions - Latest release: 2 months ago - 87 dependent packages - 9,102 dependent repositories - 746 thousand downloads last month - 89 stars on GitHub - 3 maintainers
null-undefined-guard 1.0.0
Guard against null and undefined values
1 version - Latest release: about 3 years ago - 1 dependent package - 3 downloads last month - 0 stars on GitHub - 1 maintainer
Top 9.8% on npmjs.org
angular-types 0.2.0
AngularJS introspection utilities
4 versions - Latest release: almost 9 years ago - 3 dependent packages - 1 dependent repositories - 57 downloads last month - 9 stars on GitHub - 1 maintainer
checkme 0.1.0-alpha.1
A collection of functions to check various types of data in TypeScript
1 version - Latest release: about 1 year ago - 4 downloads last month - 1 maintainer
ow-lite-ts 1.0.2 💰
Lightweight replacement for the ow validation library meant for browser usage.
3 versions - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 7 downloads last month - 3 stars on GitHub - 1 maintainer
Top 1.6% on npmjs.org
type-check 0.4.0
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type...
6 versions - Latest release: about 4 years ago - 1,486 dependent packages - 2,192,557 dependent repositories - 184 million downloads last month - 209 stars on GitHub - 1 maintainer
type-scan 0.0.0
Library to make type checking easy, and use of functions intuitive
1 version - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 6 downloads last month - 1 maintainer
Top 8.1% on npmjs.org
serializable-types 0.9.0 💰
Runtime type assertion and serialization system
14 versions - Latest release: over 2 years ago - 2 dependent packages - 12 dependent repositories - 179 downloads last month - 15 stars on GitHub - 1 maintainer
@leonzalion/ow 0.28.3 💰
Function argument validation for humans
2 versions - Latest release: over 2 years ago - 1 dependent package - 5 downloads last month - 2 maintainers
eslint-config-aether 1.5.2 💰
A custom code style for ESLint.
16 versions - Latest release: 7 months ago - 19 dependent packages - 11 dependent repositories - 79 downloads last month - 0 stars on GitHub - 1 maintainer
deep-type-check 1.0.2
Runtime type checking with "value as type" model definition in Javascript.
2 versions - Latest release: almost 3 years ago - 1 dependent package - 103 downloads last month - 1 maintainer
is-email-valid-full 1.2.6
Fully validate an email address's syntactic correctness and existence as a real email address tha...
16 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 27 downloads last month - 3 stars on GitHub - 1 maintainer
@inkdropapp/codemirror-spell-checker 1.2.0
Spell checking in CodeMirror.
11 versions - Latest release: over 1 year ago - 1 dependent package - 1 dependent repositories - 69 downloads last month - 2 stars on GitHub - 1 maintainer
Top 5.9% on npmjs.org
@achrinza/strong-type 1.1.8
allows easy type enforcement for all JS types objects and classes. it is also extensible and prov...
18 versions - Latest release: 7 months ago - 5 dependent packages - 288 dependent repositories - 93 thousand downloads last month - 1 stars on GitHub - 1 maintainer
implementjs 0.3.0 💰
Strong type-checking for dependency injection and method arguments.
5 versions - Latest release: almost 10 years ago - 1 dependent package - 9 dependent repositories - 63 downloads last month - 20 stars on GitHub - 1 maintainer
validation-isemail 1.2.0
Validate an email address
3 versions - Latest release: 5 months ago - 11 downloads last month - 0 stars on GitHub - 1 maintainer
componentjs-tracing 0.9.5 💰
Run-Time Tracing for ComponentJS based Rich Client UIs
6 versions - Latest release: almost 10 years ago - 1 dependent package - 1 dependent repositories - 11 downloads last month - 2 stars on GitHub - 1 maintainer
codemirror-spell-checker-inkdrop 1.2.0
Dead-simple spell checking in CodeMirror.
2 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 2 stars on GitHub - 1 maintainer
@langurama/checker 2.0.0-rc1
Retardedly basic checking for Node.js and the browser.
2 versions - Latest release: over 3 years ago - 1 dependent package - 5 downloads last month - 0 stars on GitHub - 1 maintainer
Top 7.0% on npmjs.org
@writetome51/array-and-index-validation 1.0.6
Functions that check if the index is valid and the array is actually an array.
7 versions - Latest release: over 5 years ago - 29 dependent packages - 3 dependent repositories - 6 downloads last month - 1 maintainer
@jeffmcmahan/type 0.0.2
Simple cross-engine type checker
2 versions - Latest release: about 4 years ago - 1 dependent package - 5 downloads last month - 1 maintainer
smart-types 0.1.0
A smarter way to check Javascript types.
3 versions - Latest release: almost 8 years ago - 1 dependent repositories - 10 downloads last month - 2 stars on GitHub - 1 maintainer
want-type 1.1.0
a library for hassle-free type checking in Node.js
2 versions - Latest release: over 4 years ago - 1 dependent repositories - 6 downloads last month - 3 stars on GitHub - 1 maintainer
parametr 1.0.4
A parameter management utility.
4 versions - Latest release: almost 6 years ago - 1 dependent package - 1 dependent repositories - 22 downloads last month - 0 stars on GitHub - 1 maintainer
yxess 0.0.3
Find, Diagnose and fix problems in your JavaScript code.
2 versions - Latest release: over 3 years ago - 7 downloads last month - 1 maintainer
@askbills/util 1.0.1
collection of utility functions support validation
2 versions - Latest release: over 6 years ago - 4 dependent packages - 1 dependent repositories - 8 downloads last month - 1 maintainer
baboon-checker 0.0.3
Easy way to type checking of javascript data collections
3 versions - Latest release: about 9 years ago - 1 dependent package - 1 dependent repositories - 10 downloads last month - 1 maintainer
Top 8.2% on npmjs.org
validatable 0.34.2 💰
A library for synchronous and asynchronous input validation.
87 versions - Latest release: about 6 years ago - 2 dependent packages - 13 dependent repositories - 429 downloads last month - 26 stars on GitHub - 1 maintainer
zero-type 1.2.0
Fast, extensive and customizable type checking library
7 versions - Latest release: over 2 years ago - 13 downloads last month - 1 stars on GitHub - 1 maintainer
Top 9.9% on npmjs.org
typecheck-extended 1.0.4
Extended JavaScript Type Validator
6 versions - Latest release: over 4 years ago - 2 dependent packages - 2 dependent repositories - 1.36 thousand downloads last month - 1 stars on GitHub - 1 maintainer
Top 7.2% on npmjs.org
domain-objects 0.19.1
A simple, convenient way to represent domain objects, leverage domain knowledge, and add runtime ...
51 versions - Latest release: 15 days ago - 17 dependent packages - 9 dependent repositories - 3.4 thousand downloads last month - 4 stars on GitHub - 1 maintainer
mandatory 1.0.0
A tiny error-throwing module for checking types.
1 version - Latest release: almost 10 years ago - 13 dependent packages - 18 dependent repositories - 16 downloads last month - 1 stars on GitHub - 2 maintainers
Top 8.3% on npmjs.org
error-if-values-are-not-arrays 2.0.1
Function takes array and triggers error if not all items in it are arrays
6 versions - Latest release: almost 4 years ago - 12 dependent packages - 12 dependent repositories - 54 downloads last month - 1 maintainer
zodrq 1.0.8
type safety request build with zod
15 versions - Latest release: about 1 year ago - 1 dependent repositories - 19 downloads last month - 3 stars on GitHub - 1 maintainer
splee 0.0.2
Find, Diagnose and fix problems in your JavaScript code.
2 versions - Latest release: over 3 years ago - 6 downloads last month - 1 maintainer
istruthy-js 1.3.1
A simple function to check if a piece of data is truthy. JavaScript version.
2 versions - Latest release: over 1 year ago - 6 downloads last month - 1 maintainer
@dabapps/create-webpack-config 0.4.5
A utility for creating webpack configs with common settings
15 versions - Latest release: over 3 years ago - 1 dependent package - 1 dependent repositories - 167 downloads last month - 1 stars on GitHub - 1 maintainer
Top 1.4% on npmjs.org
isemail 3.2.0
Validate an email address according to RFCs 5321, 5322, and others
21 versions - Latest release: over 5 years ago - 168 dependent packages - 297,791 dependent repositories - 4.02 million downloads last month - 257 stars on GitHub - 3 maintainers
Top 1.8% on npmjs.org
codemirror-spell-checker 1.1.2
Dead-simple spell checking in CodeMirror.
3 versions - Latest release: almost 8 years ago - 51 dependent packages - 4,603 dependent repositories - 347 thousand downloads last month - 82 stars on GitHub - 1 maintainer
redux-resource-plugins 4.0.0
Official plugins for Redux Resource
22 versions - Latest release: about 4 years ago - 4 dependent repositories - 2.5 thousand downloads last month - 237 stars on GitHub - 1 maintainer
redux-resource-prop-types 4.0.2
prop-types for Redux Resource
17 versions - Latest release: over 4 years ago - 1 dependent repositories - 166 downloads last month - 237 stars on GitHub - 1 maintainer
type-mark 2.0.0
A small library for checking types
6 versions - Latest release: almost 7 years ago - 1 dependent package - 1 dependent repositories - 9 downloads last month - 0 stars on GitHub - 1 maintainer
jswt 1.4.4
Turn on transpile-free type hinting for your vanilla JS projects #JSWithTypes
18 versions - Latest release: 2 months ago - 1 dependent package - 220 downloads last month - 9 stars on GitHub - 1 maintainer
throwif 0.0.3
Super-compact syntax for your type checking and throw statements.
3 versions - Latest release: about 8 years ago - 1 dependent package - 1 dependent repositories - 9 downloads last month - 0 stars on GitHub - 1 maintainer
@guillaumejasmin/redux-resource-plugins 3.1.2
Official plugins for Redux Resource
2 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 6 downloads last month - 237 stars on GitHub - 1 maintainer
error-if-index-not-valid-after-offset-was-added 1.0.0
Function triggers error if passed index is not valid, assuming an offset was recently added to it
1 version - Latest release: about 5 years ago - 5 dependent packages - 5 dependent repositories - 6 downloads last month - 0 stars on GitHub - 1 maintainer
detonate 0.0.2
Go boom! with a clean, compact syntax for your javascript type checking.
3 versions - Latest release: over 8 years ago - 1 dependent package - 1 dependent repositories - 6 downloads last month - 2 stars on GitHub - 1 maintainer
sinoni 1.2.5
Sinoni for NodeJS
8 versions - Latest release: almost 5 years ago - 1 dependent package - 4 dependent repositories - 14 downloads last month - 0 stars on GitHub - 1 maintainer
Top 9.3% on npmjs.org
type-fns 1.13.0
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
13 versions - Latest release: 18 days ago - 21 dependent packages - 1 dependent repositories - 2.76 thousand downloads last month - 2 stars on GitHub - 1 maintainer
@kayac/run-with-log 1.0.1
wrap function with custom log message function
1 version - Latest release: almost 2 years ago - 1 dependent package - 3 downloads last month - 0 stars on GitHub - 1 maintainer
mc.validators 1.160220.1
The package contains helper methods for checking type of parameters in Node.js projects
3 versions - Latest release: over 8 years ago - 2 dependent packages - 1 dependent repositories - 7 downloads last month - 1 maintainer
test-over 0.2.3
run useful tests on your arrays or hashes of arrays or hashes
5 versions - Latest release: over 9 years ago - 1 dependent repositories - 17 downloads last month - 0 stars on GitHub - 1 maintainer
istypes 1.4.0
type-checking utility library for testing type match/mismatch, testing for common type categories...
12 versions - Latest release: almost 6 years ago - 2 dependent packages - 6 dependent repositories - 15 downloads last month - 0 stars on GitHub - 1 maintainer
nix-react-state-validate 1.1.4
Validation package for the state object in React
19 versions - Latest release: about 3 years ago - 1 dependent package - 1 dependent repositories - 57 downloads last month - 0 stars on GitHub - 1 maintainer
@harshahari/npmcheck 1.0.0
npm checking
1 version - Latest release: over 1 year ago - 14 downloads last month - 0 stars on GitHub - 1 maintainer
@sounisi5011/ts-utils-is-property-accessible 1.0.3
Check if a value is property accessible
4 versions - Latest release: about 2 years ago - 4 dependent packages - 1 dependent repositories - 57 downloads last month - 5 stars on GitHub - 1 maintainer
Top 1.0% on npmjs.org
tcomb 3.2.29 💰
Type checking and DDD for JavaScript
74 versions - Latest release: over 5 years ago - 243 dependent packages - 21,243 dependent repositories - 5.63 million downloads last month - 1,894 stars on GitHub - 1 maintainer
Top 1.4% on npmjs.org
type-is 1.6.18
Infer the content-type of a request.
37 versions - Latest release: about 5 years ago - 1,361 dependent packages - 1,827,489 dependent repositories - 114 million downloads last month - 226 stars on GitHub - 2 maintainers
plagiarism 1.0.3
Plagiarism checker for NodeJS
4 versions - Latest release: almost 5 years ago - 2 dependent packages - 3 dependent repositories - 54 downloads last month - 1 stars on GitHub - 1 maintainer
@mironal/validate-ts 1.0.0 💰
The object validator for TypeScript.
1 version - Latest release: about 6 years ago - 1 dependent package - 1 dependent repositories - 7 downloads last month - 1 stars on GitHub - 1 maintainer
runtime-type-checking 0.0.2
2 versions - Latest release: over 7 years ago - 1 dependent repositories - 7 downloads last month - 1 maintainer
tcomb-dist 3.0.0 💰
Type checking and DDD for JavaScript
1 version - Latest release: about 8 years ago - 1 dependent repositories - 4 downloads last month - 1,894 stars on GitHub - 1 maintainer
typyts 1.0.5
typyts is a library to safely access nested object.
6 versions - Latest release: almost 2 years ago - 1 dependent package - 184 downloads last month - 1 maintainer
Top 3.4% on npmjs.org
npmvet 0.2.1
A simple CLI tool for vetting npm package versions
8 versions - Latest release: over 1 year ago - 13 dependent packages - 23 dependent repositories - 2.35 thousand downloads last month - 204 stars on GitHub - 1 maintainer
@francis.tec/npmvet 0.1.6
A simple CLI tool for vetting npm package versions
2 versions - Latest release: almost 2 years ago - 1 dependent package - 210 downloads last month - 204 stars on GitHub - 1 maintainer
resourceful-plugins 1.0.1
Official plugins for Resourceful Redux
5 versions - Latest release: almost 7 years ago - 1 dependent package - 1 dependent repositories - 15 downloads last month - 237 stars on GitHub - 1 maintainer
@akanshgulati/are 1.1.0
A utility for type checking elements on an array. The library is inspired from chai framework su...
3 versions - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 10 downloads last month - 4 stars on GitHub - 1 maintainer
requirejs-load-if 0.1.0
Optionally load AMD dependencies. Useful for plugin authors extending/joining 3rd party libraries.
1 version - Latest release: over 8 years ago - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
@choksheak/parse-args 1.0.1
Tiny and easy-to-use command-line arguments parser.
2 versions - Latest release: over 3 years ago - 1 dependent package - 124 downloads last month - 2 stars on GitHub - 1 maintainer
typescript-unwrap-or-return 1.0.3
Typescript transformer allowing to test if the structure of an object matches an interface/type
4 versions - Latest release: over 5 years ago - 1 dependent repositories - 12 downloads last month - 1 maintainer
Top 5.5% on npmjs.org
@jgoz/esbuild-plugin-typecheck 3.1.3
TypeScript type-checking plugin for esbuild
14 versions - Latest release: 21 days ago - 8 dependent packages - 7 dependent repositories - 79.9 thousand downloads last month - 30 stars on GitHub - 1 maintainer
observable-store 0.0.5
An observable data store with dirty checking and computed properties
5 versions - Latest release: about 9 years ago - 7 dependent packages - 9 dependent repositories - 83 downloads last month - 5 stars on GitHub - 1 maintainer
app-usage-events-emitter-react 1.0.1
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
2 versions - Latest release: 11 months ago - 1 dependent package - 9 downloads last month - 0 stars on GitHub - 1 maintainer
awesome-types 1.0.1
An awesome library for type checking on the fly.
2 versions - Latest release: over 7 years ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 0 stars on GitHub - 1 maintainer
app-usage-events-react 1.1.13
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
11 versions - Latest release: about 1 month ago - 1 dependent package - 215 downloads last month - 0 stars on GitHub - 1 maintainer
@fidtech-sa/browser-mobile-checker 1.0.0
A simple library for detecting if a user is using a mobile browser
1 version - Latest release: over 4 years ago - 1 dependent package - 6 downloads last month - 2 stars on GitHub - 4 maintainers
Related Keywords
type 133 validation 79 check 77 types 70 validate 44 javascript 42 typescript 37 typeof 35 assert 32 is 31 util 29 object 28 utility 26 assertion 23 checker 21 instanceof 20 verify 20 type-checking 19 test 18 nodejs 17 error 16 guards 16 array 15 runtime 15 validator 14 data 13 primitive 13 type-check 12 guard 12 compare 11 kind 11 store 10 schema 10 verification 10 npm-package 10 js 10 library 9 api 9 predicate 9 predicates 9 email 8 checks 8 safety 8 node 8 browser 8 domain 8 code 8 react 8 address 8 json 7 value 7 valid 7 model 7 state 6 ts 6 index 6 http 6 flux 6 crud 6 framework 6 spellchecking 6 typed 6 spell 6 spellchecker 6 mirror 6 string 6 codemirror 6 content 5 creators 5 message 5 prop 5 dirty 5 database 5 xhr 5 npm 5 type-checker 5 typecheck 5 reducer 5 reducers 5 action 5 function 5 safe 5 action creators 5 creator 5 parameters 5 typeguards 5 strong 5 hacktoberfest 5 email address 5 input 5 assertions 5 redux 5 json api 5 boilerplate 5 resource 5 resources 5 restful 5 rest 5 number 5 type checks 4