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122 packages found
JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.
- javascript
- typescript
- typechecker
- check-type
- javascript-type
- primitive-types
- plain-object
- plain-objects
- class-instance
- class-identifier
- type-checking
- type-checker
- type-check
- define-type
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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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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
Large collection of predicates.
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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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
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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various classification, validation and utility functions
Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.
- as-is
- js-inteface
- interface-check
- javascript
- ESNext
- typechecker
- enum-type
- strict-type
- multi-type
- repeated-type-check
- validator-integration
- check-type
- javascript-type
- primitive-types
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Plain JavaScript objects with runtime type guarantees
Pass in `arguments` and an array of the expected types (as string descriptions) and throw if they don't match.
Strong Dynamically Typed Object Modeling for JavaScript
- typed
- types
- typing
- type-checking
- dynamic
- strong
- model
- definition
- object
- assertion
- inheritance
- composition
- structures
- proxy
esbuild plugin that integrates TypeScript's exotic features, such as type checking and emit decorators
Declarative static and runtime type checking with Flow
A lightweight esbuild-based implementation of tsc that trim off the types (without type checking)
Build functions in standardized containers.
A simple but powerful Type Checking Library
check value is string or not
- type-checking
- string-validation
- data-validation
- utilities
- javascript
- type
- validation
- is-string
- check-variable
- check-datatype
Unlike default EcmaScript (JavaScript) constructors such as `String() defaults to '' | Number() defaults to 0 | Symbol() defaults to Symbol() | Boolean() defaults to false` . Instead, using `typed-getters` we can maintain consistency among JavaScript prim
A powerful TypeScript library for runtime type checking and validation using decorators