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122 packages found
Runtime type checking and type assertion library for Node and the browser
A small library for checking types
strong and flexible runtime typechecking that's just javascript with types that are fully serializable
Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.
- as-is
- checker-as-is
- js-inteface
- interface-check
- javascript
- ESNext
- typechecker
- enum-type
- strict-type
- multi-type
- repeated-type-check
- validator-integration
- check-type
- javascript-type
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Check if a value is property accessible
A tiny type checker
filter objects to save bandwidth and catch errors, powered by type-by-example
a simple utility for validating types, such as strings, numbers, arrays, functions and so on
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
Utility for resolving and making values types safe
Internal DSL to check and convert JSON structures
Runtime type-checking of any value in javascript
A library of type checking utilities.
Functions that check if argument is integer or float
If you don't have an Error, errorist gives you one
library for crafting types and casting type inhabitants
- cast
- casting
- check
- checking
- craft
- crafting
- safe
- safety
- type
- type-cast
- type-casting
- type-check
- type-checking
- type-craft
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An handy library for type validation in Javascript
Function triggers error if argument is not integer of zero or greater
2 functions that check if argument is undefined or null
Helps you deny the existence of specified truthy values (e.g. 'someString', aParticularObject)