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npmjs.org "type-check" keyword

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 - 1.51 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: 3 days ago - 336 dependent packages - 1,059,702 dependent repositories - 70.1 million downloads last month - 1,615 stars on GitHub - 1 maintainer
Top 1.9% on npmjs.org
typescript-is 0.20.0
TypeScript transformer that generates run-time type-checks.
91 versions - Latest release: 10 months ago - 69 dependent packages - 180 dependent repositories - 24.7 thousand downloads last month - 947 stars on GitHub - 1 maintainer
strong-typed 0.4.0
A runtime type-checking library for javascript
7 versions - Latest release: over 1 year ago - 1 dependent repositories - 128 downloads last month - 1 stars on GitHub - 1 maintainer
@easyprogram/easytype 1.0.38
how to typeof easily
37 versions - Latest release: over 3 years ago - 1 dependent package - 44 downloads last month - 0 stars on GitHub - 1 maintainer
chsp 0.1.1
cheesepaninim's personal library - support async functions waterfall execute, check arguments typ...
2 versions - Latest release: almost 2 years ago - 1 dependent package - 2 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 - 831 thousand downloads last month - 47 stars on GitHub - 1 maintainer
checker-as-is 0.9.32
Check your types at runtime with ESNext syntax by meta programing in node.js and browser with int...
33 versions - Latest release: over 1 year ago - 2 dependent packages - 64 downloads last month - 3 stars on GitHub - 1 maintainer
as-safely 0.1.3
TypeScript Library for safe type assertion
4 versions - Latest release: over 2 years ago - 3 dependent packages - 640 downloads last month - 38 stars on GitHub - 1 maintainer
Top 2.7% on npmjs.org
type-plus 7.6.2 💰
Provides additional types for TypeScript.
165 versions - Latest release: 2 months ago - 71 dependent packages - 57 dependent repositories - 63.8 thousand downloads last month - 354 stars on GitHub - 1 maintainer
yatc 0.1.0
Yet Another Type Checker for JavaScript
1 version - Latest release: over 9 years ago - 2 dependent packages - 5 dependent repositories - 15 downloads last month - 1 stars on GitHub - 1 maintainer
v8type 0.1.0
Expose V8 C++ type checking to JS
1 version - Latest release: over 11 years ago - 1 dependent package - 2 dependent repositories - 11 downloads last month - 2 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 - 59.6 thousand downloads last month - 227 stars on GitHub - 1 maintainer
@we-mobius/type-check 0.0.4
Type-checking support.
4 versions - Latest release: about 1 month ago - 9 dependent packages - 1 dependent repositories - 73 downloads last month - 1 maintainer
Top 2.4% on npmjs.org
expect-type 0.19.0
[![CI](https://github.com/mmkal/expect-type/actions/workflows/ci.yml/badge.svg)](https://github.c...
53 versions - Latest release: about 2 months ago - 433 dependent packages - 9,659 dependent repositories - 402 thousand downloads last month - 288 stars on GitHub - 1 maintainer
Top 9.1% on npmjs.org
pretty-easy-data-types 1.1.1
Utility library for checking the data type of a supplied parameter
6 versions - Latest release: about 7 years ago - 5 dependent packages - 7 dependent repositories - 1.37 thousand downloads last month - 1 stars on GitHub - 1 maintainer
Top 1.8% on npmjs.org
is-what 4.1.16 💰
JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & s...
68 versions - Latest release: 7 months ago - 128 dependent packages - 306,916 dependent repositories - 24 million downloads last month - 111 stars on GitHub - 1 maintainer
Top 6.3% on npmjs.org
value 0.4.0
Convenient type-checking in JavaScript
8 versions - Latest release: over 3 years ago - 5 dependent packages - 15 dependent repositories - 198 downloads last month - 6 stars on GitHub - 1 maintainer
@pro-script/as-is 1.1.2
Check your types at runtime with ESNext syntax by meta programing in node.js and browser with int...
16 versions - Latest release: 6 days ago - 2 dependent packages - 360 downloads last month - 1 stars on GitHub - 1 maintainer
utility-guards 2.2.4
Utils for runtime and static type checking in JS and TS
23 versions - Latest release: 3 months ago - 47 downloads last month - 8 stars on GitHub - 1 maintainer
check-data-type 1.0.0
A module to validate the data type in javascript.
1 version - Latest release: almost 7 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 0 stars on GitHub - 1 maintainer
Top 2.0% on npmjs.org
ts-expect 1.3.0
Checks TypeScript types match expected values
5 versions - Latest release: over 3 years ago - 163 dependent packages - 2,860 dependent repositories - 575 thousand downloads last month - 203 stars on GitHub - 1 maintainer
Top 8.6% on npmjs.org
is-explicit 3.0.1
Combines instance of operator and typeof operator in a way that works seamlessly with objects and...
18 versions - Latest release: over 5 years ago - 15 dependent packages - 6 dependent repositories - 128 downloads last month - 0 stars on GitHub - 1 maintainer
Top 8.1% on npmjs.org
walli 1.2.0
A manageable and immutable validation library.
17 versions - Latest release: about 1 year ago - 6 dependent packages - 17 dependent repositories - 153 downloads last month - 4 stars on GitHub - 1 maintainer
Top 6.9% on npmjs.org
@pwn/is 1.0.2
Minimalistic predicate library
3 versions - Latest release: almost 8 years ago - 29 dependent packages - 24 dependent repositories - 11 downloads last month - 979 stars on GitHub - 1 maintainer
Top 5.7% on npmjs.org
@itsjonq/is 0.0.5
A tiny type checker
5 versions - Latest release: almost 4 years ago - 8 dependent packages - 143 dependent repositories - 8.47 thousand downloads last month - 5 stars on GitHub - 1 maintainer
Top 6.7% on npmjs.org
loose-ts-check 2.0.0
Run TS type-check and ignore certain errors in some files
6 versions - Latest release: about 1 year ago - 2 dependent packages - 5 dependent repositories - 23.5 thousand downloads last month - 18 stars on GitHub - 1 maintainer
Top 10.0% on npmjs.org
unleashed-typescript 1.3.0 💰
TypeScript with exposed internal definitions and some private methods for type checking.
11 versions - Latest release: almost 2 years ago - 2 dependent packages - 6 dependent repositories - 80 downloads last month - 5 stars on GitHub - 1 maintainer
@paulthomastaylor/safe-type 2.2.1
Typesafety with strong inference
1 version - Latest release: 9 months ago - 6 downloads last month - 1 stars on GitHub - 1 maintainer
ts-check-perf 0.0.0
Measuring and comparing type-checking speed of TS samples
1 version - Latest release: 5 months ago - 5 downloads last month - 1 maintainer
feline-typescript-is 0.19.1
Personal version of TypeScript transformer that generates run-time type-checks.
2 versions - Latest release: over 2 years ago - 1 dependent package - 6 downloads last month - 950 stars on GitHub - 1 maintainer
@detachhead/typescript-is 0.17.1
TypeScript transformer that generates run-time type-checks.
1 version - Latest release: about 3 years ago - 1 dependent package - 5 downloads last month - 950 stars on GitHub - 1 maintainer
is-or-not 1.0.4
A Set of `is` and `isNot` functions in JavaScript checking and testing on objects and types
5 versions - Latest release: over 3 years ago - 1 dependent package - 55 downloads last month - 1 stars on GitHub - 1 maintainer
Top 8.8% on npmjs.org
typed-props 3.5.2
Facebook's PropTypes standalone extensible implementation for browser and server
29 versions - Latest release: almost 7 years ago - 2 dependent packages - 1 dependent repositories - 1.15 thousand downloads last month - 9 stars on GitHub - 1 maintainer
snapsjot 1.4.1
Companion module for SJOT schemas (npm package sjot), creates a SJOT schema from JSON data to eff...
4 versions - Latest release: over 6 years ago - 1 dependent repositories - 9 downloads last month - 1 stars on GitHub - 2 maintainers
typecase 1.1.3
A dynamic type checker for JavaScript
9 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 11 downloads last month - 2 stars on GitHub - 1 maintainer
@umbrellio/typecheck 0.2.1
Simple, strict, extensible runtime type checker for JavaScript
4 versions - Latest release: 10 months ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 3 stars on GitHub - 3 maintainers
nutzen 2.0.6
type validator & Erlang/Elixir style guards.
6 versions - Latest release: 11 months ago - 14 downloads last month - 1 stars on GitHub - 1 maintainer
Top 7.9% on npmjs.org
vite-plugin-vitest-typescript-assert 1.1.4 💰
🔥 TypeScript type assertion plugin for vitest.
6 versions - Latest release: almost 2 years ago - 8 dependent packages - 5 dependent repositories - 47 downloads last month - 79 stars on GitHub - 1 maintainer
@kivixeletric/that-is 1.0.5 💰
A JavaScript library that checks whether the value is of a specific type
6 versions - Latest release: 3 months ago - 1 dependent package - 14 downloads last month - 0 stars on GitHub - 1 maintainer
freshpack 1.3.1
Command line scaffolding tool for react apps
111 versions - Latest release: almost 5 years ago - 1 dependent package - 1 dependent repositories - 309 downloads last month - 3 stars on GitHub - 1 maintainer
simple-type-check 1.2.7
simple script to check type
10 versions - Latest release: about 5 years ago - 1 dependent repositories - 34 downloads last month - 1 stars on GitHub - 1 maintainer
blanks 0.2.0
immutable blanks
4 versions - Latest release: almost 7 years ago - 3 dependent packages - 1 dependent repositories - 25 downloads last month - 1 stars on GitHub - 1 maintainer
@writetome51/is-string-not-string 2.0.0
2 functions that check if argument is or is not string
2 versions - Latest release: almost 4 years ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 0 stars on GitHub - 1 maintainer
@yamatomo/expect-type 1.1.0
runtime tests for types
2 versions - Latest release: over 1 year ago - 1 dependent package - 1 dependent repositories - 2 downloads last month - 0 stars on GitHub - 1 maintainer
expect-to-be 1.0.4 💰
> A simple and fast way to check the type of a given value.
5 versions - Latest release: 10 months ago - 20 downloads last month - 0 stars on GitHub - 1 maintainer
sjot 1.4.4
Schemas for JSON Objects, or simply SJOT, offers faster JSON validation and type checking with li...
37 versions - Latest release: over 6 years ago - 1 dependent repositories - 76 downloads last month - 20 stars on GitHub - 2 maintainers
@ngx-toolset/template-type-checker 3.0.0
Validate object's class instance type in Angular HTML template
18 versions - Latest release: 6 months ago - 2 dependent packages - 20 downloads last month - 0 stars on GitHub - 1 maintainer
jsonapi-check 0.0.2
Easy to check type for json api response.
2 versions - Latest release: 9 months ago - 3 downloads last month - 0 stars on GitHub - 1 maintainer
tkdrb15-deploy-test 0.1.3
deploy test
4 versions - Latest release: about 1 year ago - 1 dependent package - 4 downloads last month - 0 stars on GitHub - 1 maintainer
type-checking 1.0.1
Check for what you need. Mainly for framework developers
2 versions - Latest release: over 9 years ago - 1 dependent package - 2 dependent repositories - 10 downloads last month - 0 stars on GitHub - 1 maintainer
functyped 2.0.4
Automatic static type-checking for javascript functions through declarative syntax.
4 versions - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 7 downloads last month - 1 stars on GitHub - 1 maintainer
@writetome51/is-object-not-object 2.0.0
2 functions that check if passed argument is or is not an object. Null is not considered an object
2 versions - Latest release: almost 4 years ago - 5 dependent packages - 7 dependent repositories - 6 downloads last month - 0 stars on GitHub - 1 maintainer
@jonasgeiler/tsc-files 2.2.4
A tiny tool to run tsc on specific files without ignoring tsconfig.json
5 versions - Latest release: 7 months ago - 107 downloads last month - 1 stars on GitHub - 1 maintainer
Top 6.2% on npmjs.org
is-it-check 1.0.12
A tiny general purpose runtime check library for js and ts.
22 versions - Latest release: 12 months ago - 6 dependent packages - 2 dependent repositories - 5.9 thousand downloads last month - 11 stars on GitHub - 1 maintainer
@fab1o/check-types 14.4.0
A little library for asserting types and values.
4 versions - Latest release: about 1 year ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 0 stars on GitHub - 1 maintainer
typeanalyser 2.0.6
Provides type detection and analysis for ANY Javascript object (including custom types) in any en...
7 versions - Latest release: 9 months ago - 38 downloads last month - 1 stars on GitHub - 1 maintainer
typecraft 1.1.0 💰
library for crafting types and casting type inhabitants
8 versions - Latest release: over 1 year ago - 1 dependent package - 27 downloads last month - 0 stars on GitHub - 1 maintainer
object-as-dictionary 0.2.0
utility for creating dictionary objects
5 versions - Latest release: almost 7 years ago - 3 dependent packages - 1 dependent repositories - 20 downloads last month - 0 stars on GitHub - 1 maintainer
@creanet/js-type 1.4.0
Package for handling input restricted only to certain types.
8 versions - Latest release: over 4 years ago - 2 dependent packages - 15 downloads last month - 3 maintainers
ensure-types 1.0.2
Simple helpers to ensure uncertain interfaces in typescript
3 versions - Latest release: over 4 years ago - 1 dependent package - 1 dependent repositories - 24 downloads last month - 0 stars on GitHub - 1 maintainer
letype 1.1.0
Type checker for any data structures
5 versions - Latest release: about 4 years ago - 1 dependent package - 50 downloads last month - 16 stars on GitHub - 1 maintainer
function-schema 0.1.0
Define your function signature so it is type-checked!
5 versions - Latest release: almost 2 years ago - 1 dependent package - 5 downloads last month - 3 stars on GitHub - 1 maintainer
volva 2.0.5
Easier type checks for JS/TS variables.
15 versions - Latest release: 10 months ago - 1 dependent package - 6 dependent repositories - 201 downloads last month - 2 stars on GitHub - 1 maintainer
error-if-not-integer-zero-or-greater 2.0.0
Function triggers error if argument is not integer of zero or greater
2 versions - Latest release: almost 4 years ago - 11 dependent packages - 7 dependent repositories - 13 downloads last month - 0 stars on GitHub - 1 maintainer
@marko/type-check 1.1.7
A CLI to type check Marko projects
34 versions - Latest release: 3 months ago - 471 downloads last month - 33 stars on GitHub - 6 maintainers
error-if-not-populated-array 1.0.2
Function triggers error if argument is not an array with at least one item
3 versions - Latest release: about 5 years ago - 20 dependent packages - 9 dependent repositories - 10 downloads last month - 1 maintainer
primitive-predicates 2.1.4
A simple TypeScript library providing type guards for the primitive types in JavaScript.
34 versions - Latest release: about 2 months ago - 3 dependent packages - 1 dependent repositories - 476 downloads last month - 2 stars on GitHub - 1 maintainer
samesame 1.0.2
Simple, Lightweight type checking of multiple arguments
3 versions - Latest release: almost 6 years ago - 2 dependent packages - 2 dependent repositories - 18 downloads last month - 0 stars on GitHub - 1 maintainer
@writetome51/has-value-no-value 2.0.0
2 functions that check if argument is undefined or null
4 versions - Latest release: almost 4 years ago - 18 dependent packages - 11 dependent repositories - 25 downloads last month - 0 stars on GitHub - 1 maintainer
Top 5.9% on npmjs.org
variable-type 1.0.0 💰
Runtime type checking for variable and similar objects.
8 versions - Latest release: over 4 years ago - 6 dependent packages - 7 dependent repositories - 373 downloads last month - 23 stars on GitHub - 1 maintainer
@writetome51/is-finite-number 2.0.0
2 functions that check if passed argument is or is not a finite number
2 versions - Latest release: almost 4 years ago - 3 dependent packages - 16 dependent repositories - 52 downloads last month - 0 stars on GitHub - 1 maintainer
safetify 3.0.1 💰
Utility for resolving and making values types safe
14 versions - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 20 downloads last month - 7 stars on GitHub - 1 maintainer
@paulpopat/safe-type 2.2.1
Typesafety with strong inference
17 versions - Latest release: about 2 years ago - 11 dependent packages - 5 dependent repositories - 19 downloads last month - 2 stars on GitHub - 1 maintainer
variables-type-validator 1.2.0
this package help to verify the type and characterstics of any variable provided
12 versions - Latest release: over 2 years ago - 1 dependent repositories - 18 downloads last month - 0 stars on GitHub - 1 maintainer
Top 3.3% on npmjs.org
is-lite 1.2.1
A tiny javascript type testing tool
27 versions - Latest release: 5 months ago - 55 dependent packages - 2,634 dependent repositories - 2.07 million downloads last month - 17 stars on GitHub - 1 maintainer
@ipheion/safe-type 2.2.1
Typesafety with strong inference
1 version - Latest release: 9 months ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 2 stars on GitHub - 1 maintainer
istype-checks 1.0.0
A small package for checking if a value is a certain type.
1 version - Latest release: about 1 year ago - 4 downloads last month - 1 maintainer
istype 0.0.2
Cross-vm type checking utils for javascript
2 versions - Latest release: over 10 years ago - 7 dependent packages - 4 dependent repositories - 7 downloads last month - 2 stars on GitHub - 1 maintainer
mithril-proptypes 3.2.1
Tiny efficient type-checking library for use with Mithril.js with syntax similar to React.PropTypes.
13 versions - Latest release: almost 8 years ago - 2 dependent packages - 1 dependent repositories - 17 downloads last month - 5 stars on GitHub - 1 maintainer
ceq 0.0.2
Check(ceq) and validate function arguments or any values in general. Simple to use and extend
2 versions - Latest release: about 7 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 1 maintainer
is-vfile-message 1.0.0
Check if a value is a VFileMessage object
1 version - Latest release: over 8 years ago - 2 dependent packages - 1 dependent repositories - 6 downloads last month - 1 stars on GitHub - 1 maintainer
error-if-not-all-finite-numbers 1.0.0
Function triggers error if argument is not an array entirely of finite numbers
1 version - Latest release: about 5 years ago - 2 dependent packages - 1 dependent repositories - 9 downloads last month - 1 maintainer
Top 2.6% on npmjs.org
check-types 11.2.3
A little library for asserting types and values, with zero dependencies.
90 versions - Latest release: 9 months ago - 511 dependent packages - 1,105,180 dependent repositories - 18.5 million downloads last month - 25 stars on GitLab.com - 1 maintainer
type-checker-helpers 1.0.1
JavaScript library to check data types
2 versions - Latest release: almost 5 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 0 stars on GitHub - 1 maintainer
prop-types-prod 0.1.0
✅ Runtime type checking for production
1 version - Latest release: almost 4 years ago - 1 dependent package - 6 downloads last month - 0 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 - 10 downloads last month - 0 stars on GitHub - 1 maintainer
ts-type-check 2.1.0
Check json value based of Typescript type in string
9 versions - Latest release: about 1 year ago - 1 dependent repositories - 14 downloads last month - 1 stars on GitHub - 1 maintainer
khal 2.0.0
Node utility librairies
19 versions - Latest release: about 7 years ago - 4 dependent packages - 1 dependent repositories - 33 downloads last month - 5 stars on GitHub - 1 maintainer
clasico 0.1.9
Introducing the ultimate nightmare disguised as your standard npm package - our collection of 'ut...
13 versions - Latest release: 7 months ago - 15 downloads last month - 2 stars on GitHub - 1 maintainer
@edu-tosel/type-checker 0.1.2
Simple typechecker for custom type guards
6 versions - Latest release: 2 months ago - 83 downloads last month - 0 stars on GitHub - 4 maintainers
@sounisi5011/ts-utils-is-property-accessible 1.0.3
Check if a value is property accessible
4 versions - Latest release: almost 2 years ago - 4 dependent packages - 1 dependent repositories - 85 downloads last month - 5 stars on GitHub - 1 maintainer
@taroxin/is 0.3.3
Type of value
4 versions - Latest release: over 1 year ago - 1 dependent package - 2 downloads last month - 1 maintainer
i-hate-typescript 1.0.8
When JavaScript developers who do not prefer TypeScript need type coercion
9 versions - Latest release: over 1 year ago - 1 dependent package - 20 downloads last month - 1 maintainer
Top 4.8% on npmjs.org
eslint-plugin-codegen 0.28.0
An eslint plugin for inline codegen. Auto-fixes out of sync code, with presets for barrels, jsdoc...
84 versions - Latest release: about 2 months ago - 29 dependent packages - 78 dependent repositories - 15.5 thousand downloads last month - 17 stars on GitHub - 1 maintainer
tagOf 1.0.2
typeof alternative
4 versions - Latest release: almost 8 years ago - 1 dependent repositories - 3 downloads last month - 6 stars on GitHub - 1 maintainer
objql-object-query-language 3.2.0
A helpful library allowing you to select particular entries from an array of objects.
8 versions - Latest release: about 4 years ago - 1 dependent package - 5 downloads last month - 0 stars on GitHub - 1 maintainer
chainable-simple-validator 1.2.2
A chain-able validator, ideal for using to validate any field, form-data or body of node based ap...
5 versions - Latest release: 3 months ago - 23 downloads last month - 4 stars on GitHub - 1 maintainer
@habitual/typing 1.0.3
Concise and expressive runtime type checking.
4 versions - Latest release: over 3 years ago - 1 dependent package - 4 downloads last month - 0 stars on GitHub - 1 maintainer
notmytype 2.0.0
Type-check your function inputs with syntax like T(s, T.string, buf, Buffer, strings, T.list(T.st...
13 versions - Latest release: over 8 years ago - 1 dependent package - 2 dependent repositories - 7 downloads last month - 2 stars on GitHub - 1 maintainer