2580 packages found
The ultimate javascript content-type utility.
Get the native type of a value.
Media Type Database
Improved typeof detection for node.js and the browser.
TypeScript's largest utility library
A collection of essential TypeScript types
Strict TypeScript and Flow types for style based on MDN data
Implements the WebIDL algorithms for converting to and from JavaScript values
Custom React PropType validators that we use at Airbnb.
all the types of nodes in htmlparser2's dom
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Determine and test types using constructor or {}.toString
A little library for asserting types and values.
- type
- types
- type-check
- type-checking
- duck-typing
- arguments
- parameters
- values
- data
- contract
- assert
- check
- verify
- safe
stdlib TypeScript type declarations.
Scalable, strongly typed GraphQL schema development
Effortlessly convert your JSON Object to JSON Schema, Mongoose Schema, or a Generic template for quick documentation / upstart.
- json
- schema
- object
- convert
- manipulate
- traverse
- types
- type
- is
- generate
- produce
- mongoose
- generic
- validation
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Type check values
Typewise-structured sorting for arbitrarily complex data structures
Large collection of predicates.
For use with React PropTypes. Will error on any prop not explicitly specified.