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1012 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 descriptor. Works for data descriptors and accessor descriptors.
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
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
- View more
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).
Check data type
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.
Takes any JavaScript data type or object as an input and returns a string describing the type of the input.
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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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 array complex-valued floating-point data type.
data type checks in javascript.
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.
Determine if an ndarray data type can be safely cast to, or is of the same kind as, another ndarray data type.
Test if an input value is a supported array real-valued data type.