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2912 packages found
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
A simple TypeScript library providing type guards for the primitive types in JavaScript.
- type
- types
- type-check
- type-checks
- type-checking
- predicate
- predicates
- type-predicate
- type-predicates
- type-assert
- type-asserting
- type-assertion
- type-assertions
- type-guard
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Runtime library to validate data against TypeScript interfaces
A little library for asserting types and values, with zero dependencies.
- type
- types
- type-check
- type-checking
- duck-typing
- arguments
- parameters
- values
- data
- contract
- assert
- check
- verify
- safe
A simple and composable way to validate data in JavaScript (and TypeScript).
TypeConformity is a powerful TypeScript/JavaScript library for validating types of values at runtime, enforcing data integrity and preventing erroneous or unexpected data in your systems.
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- less mixins
- concatMap
- stdlib
- look-up
- helpers
- Observables
- stable
- WebSockets
- watcher
- jwt
- time
- ES5
- bundling
- sort
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Takes any JavaScript data type or object as an input and returns a string describing the type of the input.
A little library for asserting types and values, with zero dependencies. Follower for check-types (archived).
- type
- types
- type-check
- type-checking
- duck-typing
- arguments
- parameters
- values
- data
- contract
- assert
- check
- verify
- safe
Test if an input value is a supported ndarray data type.
- stdlib
- stdtypes
- types
- base
- ndarray
- dtype
- data
- multidimensional
- array
- utilities
- utility
- utils
- util
- assert
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- weakset
- is
- cors
- view
- rm -fr
- postcss-plugin
- patch
- ES2023
- lru
- performance
- collection.es6
- Float32Array
- eslintplugin
- generics
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Test if an input value is a supported array complex-valued floating-point data type.
Determine if an ndarray data type can be safely cast or, for floating-point data types, downcast to another ndarray data type.
Determine if an ndarray data type can be safely cast to another ndarray data type.
Test if an input value is a supported ndarray real-valued data type.
- stdlib
- stdtypes
- types
- base
- ndarray
- dtype
- data
- multidimensional
- array
- utilities
- utility
- utils
- util
- assert
- View more
Determine if an ndarray data type can be cast to another ndarray data type according to a specified casting mode.
Test if an input value is a supported array real-valued data type.
Determine if an ndarray data type can be safely cast to, or is of the same kind as, another ndarray data type.