Search results

207 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 ago1770 dependents licensed under $MIT
268,766,936

Infer the content-type of a request.

published version 2.0.1, 3 months ago1531 dependents licensed under $MIT
180,562,267

Type check values

published version 7.0.2, 7 days ago336 dependents licensed under $MIT
99,046,918

Isomorphic, functional type-checking for Javascript

published version 7.3.0, 7 months ago76 dependents licensed under $MIT
26,599,758

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
38,172,931

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
6,931,244

Type checking and DDD for JavaScript

published version 3.2.29, 7 years ago205 dependents licensed under $MIT
6,989,847

Function argument validation for humans

published version 2.0.0, a year ago507 dependents licensed under $MIT
4,519,018

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
3,319,353

Blazing fast input validation and transformation ⚡

published version 4.0.0, a year ago98 dependents licensed under $MIT
1,104,203

Type checking from node core

published version 0.0.1, 12 years ago20 dependents licensed under $MIT
941,836

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

published version 9.3.0, a year ago36 dependents licensed under $Artistic-2.0
921,517

Dead-simple spell checking in CodeMirror.

published version 1.1.2, 9 years ago56 dependents licensed under $MIT
456,529

TypeScript type-checking plugin for esbuild

published version 4.0.3, 4 months ago4 dependents licensed under $MIT
293,078

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
392,561

Type signature parser for typify

published version 1.1.0, 10 years ago1 dependents licensed under $MIT
93,063

Type checking for JSON values

published version 4.0.1, 2 years ago16 dependents licensed under $MIT
134,632

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
121,564

Minimal JavaScript type checking library

published version 3.3.0, 6 years ago47 dependents licensed under $MIT
62,269

Library to check variable type and properties in object.

published version 0.4.11, 11 years ago6 dependents licensed under $MIT
42,628