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288 packages found
A simple, convenient way to represent domain objects, leverage domain knowledge, and add runtime validation in your code base.
Type checking for JSON values
check value is string or not
- type-checking
- string-validation
- data-validation
- utilities
- javascript
- type
- validation
- is-string
- check-variable
- check-datatype
check the data type or change the data type
A type checking library where each exported function returns either true or false and does not throw. Also added tests.
Automatically generate TypeScript type definitions for environment variables based on the content of your env files.
- TypeScript
- Environment
- Variables
- Type
- Safety
- Node.js
- Auto-generate
- Types
- CLI
- Tool
- Definitions
- .env
- File
- Code
- View more
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
StrictTypeMapper is a Mapper / AutoMapper library that uses advanced **Compile-time type checking** to enforce strict type compatibility. The checks are more strict than standard TypeScript constraints which helps catching runtime errors.
a simple opinionated node.js CLI utility to setup a new node.js library project including typescript, vitest, prettier and basic github action for checking each commit to `main`.
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
- View more
Type checking utils.
allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types
Minimal JavaScript type checking library
Type checking for .eslintrc.json
Simple, lightweight at-runtime type checking functions, with full TypeScript support
allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types
Set of various predicates for type checking, assertions, filtering etc
Composable [type predicates](https://www.typescriptlang.org/docs/handbook/2/narrowing.html#using-type-predicates) for runtime type checking.