npmjs.org "type-checking" keyword
@writetome51/is-integer-is-float 2.0.1
Functions that check if argument is integer or float3 versions - Latest release: over 5 years ago - 8 dependent packages - 20 dependent repositories - 141 downloads last month - 0 stars on GitHub - 1 maintainer
error-if-not-primitive 1.0.0
Function triggers error if argument is not a primitive type1 version - Latest release: about 7 years ago - 2 dependent packages - 5 dependent repositories - 4 downloads last month - 0 stars on GitHub - 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 years ago - 3 dependent packages - 1 dependent repositories - 101 downloads last month - 3 stars on GitHub - 1 maintainer
@protolabo/zenjs 0.2.2
A comprehensive, type-safe utility library for common programming tasks4 versions - Latest release: 27 days ago - 14 downloads last month - 0 stars on GitHub - 1 maintainer
dis 0.3.7
Tiny tiny duck typing utility9 versions - Latest release: almost 11 years ago - 6 dependent packages - 6 dependent repositories - 98 downloads last month - 0 stars on GitHub - 1 maintainer
typefence 1.2.2
Basic runtime type checking5 versions - Latest release: 6 months ago - 45 downloads last month - 1 stars on GitHub - 1 maintainer
sniff-check 0.2.7 💰
🎯 Opinionated TypeScript/Next.js Development Toolkit - Find large files, unused imports, broken i...20 versions - Latest release: about 10 hours ago - 700 downloads last month - 1 stars on GitHub - 1 maintainer
@maluscat/runtime-type-check 1.1.1
Modular runtime type checker with focus on creating readable and smart error messages3 versions - Latest release: over 1 year ago - 8 downloads last month - 0 stars on GitHub - 1 maintainer
Top 5.8% on npmjs.org
1 version - Latest release: over 4 years ago - 2 dependent packages - 15 dependent repositories - 60 downloads last month - 3,781 stars on GitHub - 1 maintainer
@tamagui/ow 0.28.1 💰
Function argument validation for humans1 version - Latest release: over 4 years ago - 2 dependent packages - 15 dependent repositories - 60 downloads last month - 3,781 stars on GitHub - 1 maintainer
ow--fork-by-jblew-with-catching 0.13.5 💰
Function argument validation for humans4 versions - Latest release: over 6 years ago - 4 dependent packages - 8 dependent repositories - 43 downloads last month - 3,781 stars on GitHub - 1 maintainer
@rastopyr/ow 0.13.2 💰
Function argument validation for humans2 versions - Latest release: over 6 years ago - 2 dependent packages - 1 dependent repositories - 35 downloads last month - 3,876 stars on GitHub - 1 maintainer
@envchecker/env-validator 1.1.0
A powerful environment variable validator for Node.js applications with schema validation, type c...3 versions - Latest release: over 1 year ago - 5 downloads last month - 1 maintainer
yatc 0.1.0
Yet Another Type Checker for JavaScript1 version - Latest release: over 11 years ago - 2 dependent packages - 5 dependent repositories - 17 downloads last month - 1 stars on GitHub - 1 maintainer
Top 0.7% on npmjs.org
916 versions - Latest release: about 5 years ago - 1,076 dependent packages - 19,205 dependent repositories - 31.9 million downloads last month - 6,622 stars on GitHub - 1 maintainer
ts-toolbelt 9.6.0 💰
TypeScript's largest utility library916 versions - Latest release: about 5 years ago - 1,076 dependent packages - 19,205 dependent repositories - 31.9 million downloads last month - 6,622 stars on GitHub - 1 maintainer
@promise-saga/core 0.0.3
Promise Saga: Core library for managing async flows with cancelable effects3 versions - Latest release: 9 months ago - 3 downloads last month - 1 maintainer
type-checking-utils 2.2.0
Type checking utilities.10 versions - Latest release: almost 3 years ago - 3 dependent packages - 4 downloads last month - 1 maintainer
@produck/type-error 0.1.5
A helper utility to throw type errors using the Produck TypeError template6 versions - Latest release: about 2 months ago - 0 stars on GitHub - 4 maintainers
Top 2.0% on npmjs.org
132 versions - Latest release: almost 3 years ago - 267 dependent packages - 3,548 dependent repositories - 336 thousand downloads last month - 144 stars on GitHub - 3 maintainers
machine 15.2.3
Build functions in standardized containers.132 versions - Latest release: almost 3 years ago - 267 dependent packages - 3,548 dependent repositories - 336 thousand downloads last month - 144 stars on GitHub - 3 maintainers
@interlace/eslint-devkit 1.4.0
TypeScript utilities for building LLM-optimized ESLint plugins - AST helpers, type utilities, sec...8 versions - Latest release: 1 day ago - 8.08 thousand downloads last month - 10 stars on GitHub - 1 maintainer
flow-typer-js 0.17.0
Declarative static and runtime type checking25 versions - Latest release: 1 day ago - 2 dependent packages - 1 dependent repositories - 477 downloads last month - 7 stars on GitHub - 1 maintainer
@kevincuadros/react-code 1.3.2
> Pin input component for React3 versions - Latest release: almost 4 years ago - 1 dependent package - 1 downloads last month - 0 stars on GitHub - 1 maintainer
lukinto-utils-type-checking 1.0.0
A library of type checking utilities.1 version - Latest release: about 3 years ago - 1 downloads last month - 0 stars on GitHub - 1 maintainer
mityli 1.0.2
A minimal runtime type-checking library for JavaScript using Valibot3 versions - Latest release: 11 months ago - 8 downloads last month - 0 stars on GitHub - 1 maintainer
is-string-or-number-who-cares 1.0.2
The world's most advanced string or number detection library.3 versions - Latest release: about 1 month ago - 1 maintainer
Top 2.6% on npmjs.org
90 versions - Latest release: over 2 years ago - 511 dependent packages - 1,105,180 dependent repositories - 23.1 million downloads last month - 26 stars on gitlab.com - 1 maintainer
check-types 11.2.3
A little library for asserting types and values, with zero dependencies.90 versions - Latest release: over 2 years ago - 511 dependent packages - 1,105,180 dependent repositories - 23.1 million downloads last month - 26 stars on gitlab.com - 1 maintainer
@bisham/predicates 0.0.4
A comprehensive collection of strongly-typed predicate functions and type guards for TypeScript, ...4 versions - Latest release: 4 months ago - 19 downloads last month - 0 stars on GitHub - 1 maintainer
@markdrei/ironguard-typescript-locks 0.2.3
IronGuard: Unbreakable TypeScript lock system with compile-time deadlock prevention and runtime m...6 versions - Latest release: 6 months ago - 452 downloads last month - 0 stars on GitHub - 1 maintainer
Top 1.8% on npmjs.org
78 versions - Latest release: 8 months ago - 128 dependent packages - 306,916 dependent repositories - 67.9 million downloads last month - 181 stars on GitHub - 1 maintainer
is-what 5.5.0 💰
JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & s...78 versions - Latest release: 8 months ago - 128 dependent packages - 306,916 dependent repositories - 67.9 million downloads last month - 181 stars on GitHub - 1 maintainer
go-types 1.3.1
Type-checking utilities for JavaScript5 versions - Latest release: over 3 years ago - 2 dependent packages - 3.69 thousand downloads last month - 0 stars on GitHub - 1 maintainer
@isz/content-type-is 0.0.1
🐾 What kind of content is this request/response?2 versions - Latest release: 8 months ago - 4 downloads last month - 0 stars on GitHub - 1 maintainer
@promise-saga/plugin-redux 0.0.3
Side-effects orchestrator: Redux integration plugin3 versions - Latest release: 9 months ago - 7 downloads last month - 1 maintainer
type-sentry 0.0.9
A powerful TypeScript library for runtime type checking and validation using decorators9 versions - Latest release: over 1 year ago - 26 downloads last month - 8 stars on GitHub - 1 maintainer
Top 8.3% on npmjs.org
9 versions - Latest release: over 7 years ago - 10 dependent packages - 6 dependent repositories - 897 downloads last month - 199 stars on GitHub - 2 maintainers
hm-def 1.0.2
Runtime type checking with Hindley Milner signatures9 versions - Latest release: over 7 years ago - 10 dependent packages - 6 dependent repositories - 897 downloads last month - 199 stars on GitHub - 2 maintainers
Top 2.8% on npmjs.org
17 versions - Latest release: over 7 years ago - 9 dependent packages - 3,799 dependent repositories - 78 thousand downloads last month - 75 stars on GitHub - 2 maintainers
upcast 4.0.0
Upcast is a low-level JavaScript type checking and casting library17 versions - Latest release: over 7 years ago - 9 dependent packages - 3,799 dependent repositories - 78 thousand downloads last month - 75 stars on GitHub - 2 maintainers
Top 5.9% on npmjs.org
8 versions - Latest release: over 6 years ago - 6 dependent packages - 7 dependent repositories - 108 downloads last month - 24 stars on GitHub - 1 maintainer
variable-type 1.0.0 💰
Runtime type checking for variable and similar objects.8 versions - Latest release: over 6 years ago - 6 dependent packages - 7 dependent repositories - 108 downloads last month - 24 stars on GitHub - 1 maintainer
typisch 0.0.0
Set-theory based runtime type system1 version - Latest release: about 7 years ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 3 stars on GitHub - 3 maintainers
@fchauvel/quick-check 0.2.0
Internal DSL to check and convert JSON structures2 versions - Latest release: over 6 years ago - 2 dependent packages - 1 dependent repositories - 8 downloads last month - 1 stars on GitHub - 1 maintainer
@jmlweb/tsconfig-react 1.0.6
TypeScript configuration for React libraries with JSX support and modern defaults7 versions - Latest release: 5 months ago - 803 downloads last month - 1 maintainer
@fab1o/check-types 14.4.0
A little library for asserting types and values.4 versions - Latest release: about 3 years ago - 2 dependent packages - 1 dependent repositories - 15 downloads last month - 0 stars on GitHub - 1 maintainer
@kitiumai/schemas 2.0.0
Enterprise-grade reusable schema definitions and validation utilities for SaaS applications. Prov...2 versions - Latest release: 5 months ago - 74 downloads last month - 0 stars on GitHub - 1 maintainer
@noneforge/eslint-config 0.2.9
TypeScript/JavaScript ESLint configuration with strict type checking and modern stylistic rules9 versions - Latest release: 4 months ago - 647 downloads last month - 0 stars on GitHub - 1 maintainer
@promise-saga/plugin-axios 0.0.3
Promise Saga: Axios plugin for cancelable HTTP requests3 versions - Latest release: 9 months ago - 9 downloads last month - 1 maintainer
tsx-strict 0.7.0 💰
TSX runner with automatic Type-checking29 versions - Latest release: about 1 month ago - 104 downloads last month - 7 stars on GitHub - 1 maintainer
@oneisland/validator 0.0.3
A simple tool for validation and type checking of variables in JavaScript3 versions - Latest release: over 6 years ago - 3 dependent packages - 2 dependent repositories - 27 downloads last month - 0 stars on GitHub - 1 maintainer
duck-check 2.1.8
A minimalist tool to check the shape of objects and the type of properties, provided a declarativ...15 versions - Latest release: about 8 years ago - 2 dependent packages - 1 dependent repositories - 38 downloads last month - 10 stars on GitHub - 1 maintainer
create-apexo-app 0.0.1
Create Apexo apps with no build configuration1 version - Latest release: 6 months ago - 5 downloads last month - 4 stars on GitHub - 1 maintainer
@omnitron-dev/cuid 0.4.5
CUID implementation9 versions - Latest release: 5 months ago - 34 downloads last month - 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 6 years ago - 2 dependent packages - 1 dependent repositories - 3 downloads last month - 4 stars on GitHub - 1 maintainer
Top 4.4% on npmjs.org
18 versions - Latest release: about 5 years ago - 8 dependent packages - 19 dependent repositories - 5.64 thousand downloads last month - 31 stars on GitHub - 1 maintainer
bycontract 2.0.11
argument validation library based on JSDOC syntax18 versions - Latest release: about 5 years ago - 8 dependent packages - 19 dependent repositories - 5.64 thousand downloads last month - 31 stars on GitHub - 1 maintainer
@side-quest/tsc-runner 1.0.5
TypeScript type checker MCP server — structured diagnostics for Claude Code6 versions - Latest release: 14 days ago - 261 downloads last month - 0 stars on GitHub - 1 maintainer
typelit 0.2.0
A type-safe string templating library for TypeScript3 versions - Latest release: 6 months ago - 134 downloads last month - 2 stars on GitHub - 1 maintainer
error-if-not-function 1.0.0
Function triggers error if argument is not type 'function'1 version - Latest release: about 7 years ago - 6 dependent packages - 5 dependent repositories - 42 downloads last month - 0 stars on GitHub - 1 maintainer
@jasonbyrne/dry-types 0.2.12
Reusable utility functions for type conversions and checks19 versions - Latest release: 4 months ago - 310 downloads last month - 0 stars on GitHub - 1 maintainer
node-red-contrib-ts 1.2.6
Fast TypeScript node with type checking for Node-RED10 versions - Latest release: 7 months ago - 566 downloads last month - 8 stars on GitHub - 1 maintainer
dhi 1.2.1
Ultra-fast Zod 4 drop-in replacement - 20x faster average, full API parity, SIMD WASM, 28KB binary28 versions - Latest release: about 2 months ago - 506 downloads last month - 35 stars on GitHub - 1 maintainer
easy-enums 1.1.8
Easy but powerful enums for safer code. e.g. const Fruit = new Enum("apple pear banana"); gives y...10 versions - Latest release: over 5 years ago - 3 dependent packages - 8 dependent repositories - 69 downloads last month - 0 stars on GitHub - 1 maintainer
is-number-checker 1.0.4
An utility to check if a value is a number (allowing string numbers optionally).5 versions - Latest release: over 1 year ago - 7 downloads last month - 1 maintainer
clove-lang 2.0.5
A class-oriented programming-language2 versions - Latest release: almost 6 years ago - 1 dependent package - 13 downloads last month - 1 maintainer
@jmlweb/tsconfig-nextjs 1.1.7
TypeScript configuration for Next.js applications with App Router and Pages Router support7 versions - Latest release: 5 months ago - 16 downloads last month - 1 maintainer
@_agco/types 1.0.1
a tiny type checking library1 version - Latest release: over 6 years ago - 40 downloads last month - 1 maintainer
@tringlyman/template-npm-package 1.0.3
NPM package template using JavaScript and JSDoc for type-checking and documentation4 versions - Latest release: 8 months ago - 59 downloads last month - 1 maintainer
@we-mobius/type-check 0.0.4
Type-checking support.4 versions - Latest release: about 2 years ago - 9 dependent packages - 1 dependent repositories - 12 downloads last month - 1 maintainer
next-routes-typed 0.1.0
Generate type-safe route utilities for Next.js app router1 version - Latest release: over 1 year ago - 8 downloads last month - 1 maintainer
@deebeetech/is-helper 3.0.0
A collection of "is"-style helpers to help solidify if something "is" something else. Has no depe...7 versions - Latest release: about 1 month ago - 9 downloads last month - 0 stars on GitHub - 1 maintainer
@sounisi5011/ts-utils-is-property-accessible 1.0.3
Check if a value is property accessible4 versions - Latest release: almost 4 years ago - 4 dependent packages - 1 dependent repositories - 65 downloads last month - 5 stars on GitHub - 1 maintainer
@fmartin5/type-checking 1.1.1
Runtime type checking and type assertion library for Node and the browser4 versions - Latest release: about 8 years ago - 1 dependent package - 1 dependent repositories - 27 downloads last month - 0 stars on GitHub - 1 maintainer
ntype 0.0.11
defining interfaces for class structure and auto-type checking in javascript for Node.js5 versions - Latest release: almost 13 years ago - 1 dependent package - 2 dependent repositories - 14 downloads last month - 0 stars on GitHub - 1 maintainer
eslint-plugin-no-truthy-collections 1.0.4
ESLint plugin that prevents dangerous boolean coercion of arrays and objects in JavaScript and Ty...5 versions - Latest release: 11 months ago - 2 downloads last month - 0 stars on GitHub - 1 maintainer
sniffly 1.0.2
A lightweight TypeScript utility library for performing common type-safe value checks with type n...3 versions - Latest release: over 1 year ago - 15 downloads last month - 0 stars on GitHub - 1 maintainer
v8type 0.1.0
Expose V8 C++ type checking to JS1 version - Latest release: over 13 years ago - 1 dependent package - 2 dependent repositories - 8 downloads last month - 3 stars on GitHub - 1 maintainer
with-type-checkers 1.0.6
A JavaScript/TypeScript utility for adding runtime type checking and assertions to classes7 versions - Latest release: 3 months ago - 25 downloads last month - 0 stars on GitHub - 1 maintainer
typeguru 0.0.4
TypeGuru is a lightweight TypeScript utility library for type checking. It includes utility funct...4 versions - Latest release: about 3 years ago - 13 downloads last month - 0 stars on GitHub - 1 maintainer
error-if-not-float 2.0.0
Function triggers error if argument is not float of type 'number'2 versions - Latest release: almost 6 years ago - 2 dependent packages - 4 dependent repositories - 17 downloads last month - 0 stars on GitHub - 1 maintainer
@treedy/pyright-mcp 1.1.8
MCP server exposing Pyright LSP features for Python code intelligence9 versions - Latest release: 3 months ago - 1 maintainer
truthify 1.0.0
Helps you confirm the existence of specified falsy values (e.g. 0)1 version - Latest release: almost 11 years ago - 1 dependent repositories - 15 downloads last month - 1 maintainer
typecraft 1.1.0 💰
library for crafting types and casting type inhabitants8 versions - Latest release: over 3 years ago - 1 dependent package - 23 downloads last month - 0 stars on GitHub - 1 maintainer
is-api 1.0.1
Tiny javascript library that you can extend with your own type checking methods.3 versions - Latest release: over 8 years ago - 1 dependent package - 1 dependent repositories - 25 downloads last month - 3 stars on GitHub - 1 maintainer
phane-tech-object-utils 1.0.2
Pure JavaScript array utility functions2 versions - Latest release: 4 months ago - 19 downloads last month - 1 maintainer
@dworthen/bycontract 2.0.8
argument validation library based on JSDOC syntax1 version - Latest release: about 6 years ago - 3 dependent packages - 9 downloads last month - 31 stars on GitHub - 1 maintainer
@composi/get-type 1.0.12
Function to get the type of the provided value. This is not the same as 'typeof'. It returns the ...13 versions - Latest release: about 6 years ago - 3 dependent packages - 4 dependent repositories - 12 downloads last month - 1 stars on GitHub - 1 maintainer
@jmlweb/tsconfig-astro 1.1.5
TypeScript configuration for Astro projects with JSX support and modern defaults7 versions - Latest release: 5 months ago - 364 downloads last month - 1 maintainer
wtf-is 0.1.1
Tiny type-checking library2 versions - Latest release: about 12 years ago - 1 dependent repositories - 32 downloads last month - 0 stars on GitHub - 1 maintainer
@lxgicstudios/api-contract 1.0.0
Validate live API responses against a contract schema. Auto-generate contracts from endpoints, th...1 version - Latest release: 3 months ago - 16 downloads last month - 1 maintainer
error-if-not-object 2.0.0
Function triggers error is passed argument is not an object. Arrays are considered objects. Null...2 versions - Latest release: almost 6 years ago - 4 dependent packages - 5 dependent repositories - 2 downloads last month - 0 stars on GitHub - 1 maintainer
@molinit/validator 1.0.2
A flexible, type-safe validation library for TypeScript/JavaScript with declarative schema-based ...2 versions - Latest release: 6 months ago - 1 maintainer
typescript-file-checker 0.1.3
Smart TypeScript checker for individual files (while respecting tsconfig.json) or full projects w...4 versions - Latest release: 9 months ago - 61 downloads last month - 0 stars on GitHub - 1 maintainer
Top 2.3% on npmjs.org
69 versions - Latest release: over 7 years ago - 292 dependent packages - 12,799 dependent repositories - 2.64 million downloads last month - 22 stars on GitHub - 1 maintainer
typeforce 1.18.0
Another biased type checking solution for Javascript69 versions - Latest release: over 7 years ago - 292 dependent packages - 12,799 dependent repositories - 2.64 million downloads last month - 22 stars on GitHub - 1 maintainer
@razinshafayet/typedjs 0.3.0
Runtime type checking for JavaScript7 versions - Latest release: 3 months ago - 1 maintainer
luau-tools-vscode 0.1.0
Full Luau developer experience outside Roblox Studio — syntax highlighting, type checking, autoco...1 version - Latest release: about 2 months ago - 1 maintainer
khyron 0.2.1
Run-time type checking for JavaScript3 versions - Latest release: about 8 years ago - 1 dependent package - 1 dependent repositories - 8 downloads last month - 1 stars on GitHub - 1 maintainer
ensure-types 1.0.2
Simple helpers to ensure uncertain interfaces in typescript3 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 8 downloads last month - 0 stars on GitHub - 1 maintainer
@basekits/kit-type 1.0.0
Essential type checking kit for basekits.1 version - Latest release: over 6 years ago - 12 dependent packages - 5 downloads last month - 1 maintainer
@ticatec/bean-validator 0.2.0
A powerful TypeScript validation library for Node.js with data sanitization. Validate, sanitize, ...8 versions - Latest release: 20 days ago - 52 downloads last month - 0 stars on GitHub - 2 maintainers
check-types-2 11.8.1
A little library for asserting types and values, with zero dependencies. Follower for check-types...10 versions - Latest release: over 1 year ago - 2 dependent packages - 6 dependent repositories - 2.04 thousand downloads last month - 1 stars on GitHub - 1 maintainer
error-if-not-primitive-or-array 1.0.3
Function triggers error if argument is neither a primitive type or array4 versions - Latest release: about 7 years ago - 4 dependent packages - 8 dependent repositories - 16 downloads last month - 1 maintainer
@jmlweb/tsconfig-base 1.0.5
Base TypeScript configuration with strict type checking and modern defaults6 versions - Latest release: 5 months ago - 17 downloads last month - 1 maintainer
@ayonli/type-guard 0.1.2
Runtime type checking for JavaScript variables and functions.3 versions - Latest release: almost 2 years ago - 6 downloads last month - 0 stars on GitHub - 1 maintainer
@gloch96/typed-getters 2.0.1
Unlike default EcmaScript (JavaScript) constructors such as `String() defaults to '' | Number() d...6 versions - Latest release: almost 2 years ago - 49 downloads last month - 0 stars on GitHub - 1 maintainer
@scaffit/typescript 1.0.4
TypeScript configuration setup with strict configs for Next.js, React, Vue, Angular, Svelte, Expr...4 versions - Latest release: 7 months ago - 15 downloads last month - 0 stars on GitHub - 1 maintainer
Top 2.7% on npmjs.org
41 versions - Latest release: almost 7 years ago - 47 dependent packages - 73 dependent repositories - 1.54 thousand downloads last month - 482 stars on GitHub - 1 maintainer
babel-plugin-tcomb 0.4.0 💰
Babel plugin for static and runtime type checking using Flow and tcomb41 versions - Latest release: almost 7 years ago - 47 dependent packages - 73 dependent repositories - 1.54 thousand downloads last month - 482 stars on GitHub - 1 maintainer
Related Keywords
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