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209 packages found
Type check values
Infer the content-type of a request.
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
Blazing fast input validation and transformation ⚡
- @sapphire/shapeshift
- shapeshift
- bot
- typescript
- ts
- yarn
- sapphire
- schema
- validation
- type-checking
- checking
- input-validation
- runtime-validation
- ow
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Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
- runtime
- environment
- env
- execution
- engine
- platform
- context
- js
- javascript
- is
- check
- checking
- detect
- detection
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Isomorphic, functional type-checking for Javascript
Type checking and DDD for JavaScript
One lightly library contains a series of methods for converting one string or text to different kind of naming style, such as camelCase, PascalCase, hyphen-case, CONSTANT_CASE, etc.
TypeScript type-checking plugin for esbuild
A simple type checking library for Node.js
Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.
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
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
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A standard set of errors and methods for simpler, safer, and easier to read code.
TypeScript and JavaScript page component object framework for Selenium
- javascript
- selenium
- automation
- test
- testing
- check
- checking
- verify
- verification
- typescript
- page
- component
- framework
- pom
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
Turn on transpile-free type hinting for your vanilla JS projects #JSWithTypes
Type check values. This is a fork of sindresorhus/is, but with CommonJS support.
