Search results

206 packages found

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

published version 0.4.0, 5 years ago1764 dependents licensed under $MIT
238,775,978

Infer the content-type of a request.

published version 2.0.1, 2 months ago1523 dependents licensed under $MIT
157,875,349

Type check values

published version 7.0.1, 8 months ago334 dependents licensed under $MIT
94,407,862

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

published version 1.1.0, a year ago24 dependents licensed under $MIT
34,498,785

Isomorphic, functional type-checking for Javascript

published version 7.3.0, 6 months ago76 dependents licensed under $MIT
22,325,854

A type checking library where each exported function returns either true or false and does not throw. Also added tests.

published version 2.0.9, 3 years ago83 dependents licensed under $MIT
5,984,343

Type checking and DDD for JavaScript

published version 3.2.29, 6 years ago205 dependents licensed under $MIT
6,609,842

Function argument validation for humans

published version 2.0.0, a year ago506 dependents licensed under $MIT
4,595,605

Validate an email address according to RFCs 5321, 5322, and others

published version 3.2.0, 7 years ago225 dependents licensed under $BSD-3-Clause
3,121,814

Blazing fast input validation and transformation ⚡

published version 4.0.0, a year ago98 dependents licensed under $MIT
1,087,381

Type checking from node core

published version 0.0.1, 12 years ago20 dependents licensed under $MIT
873,573

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

published version 9.3.0, a year ago35 dependents licensed under $Artistic-2.0
855,416

Dead-simple spell checking in CodeMirror.

published version 1.1.2, 9 years ago56 dependents licensed under $MIT
420,739

TypeScript type-checking plugin for esbuild

published version 4.0.3, 3 months ago4 dependents licensed under $MIT
230,179

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

published version 1.1.0, 4 years ago12 dependents licensed under $MIT
331,196

Type signature parser for typify

published version 1.1.0, 10 years ago1 dependents licensed under $MIT
87,577

Type checking for JSON values

published version 4.0.1, 2 years ago16 dependents licensed under $MIT
118,566

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

published version 1.1.20, a year ago3 dependents licensed under $MIT
118,542

Minimal JavaScript type checking library

published version 3.3.0, 6 years ago47 dependents licensed under $MIT
60,033

Library to check variable type and properties in object.

published version 0.4.11, 11 years ago6 dependents licensed under $MIT
34,819