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@nofrills/types

4.0.7 • Public • Published

@nofrills/types

npm

Install

npm install --save @nofrills/types

Introduction

@nofrills/types is a library that provides a consistent runtime type checking for JavaScript instances. In addition to basic types, such as string, boolean, etc, types also supports more complex type definitions, such as custom types. You can register your own types and ensure that your runtime instances truly match definitions you specify.

Is

Use the Is helper to validate basic types, such as string, boolean, Date, etc.

const isDate = Is.date(Date.now()) // false
const isNumber = Is.number(Date.now()) // true
const isString = Is.string('this is a string') // true
const isDate: boolean = Is.date(Date.now()) // false
const isNumber: number = Is.number(Date.now()) // true
const isString: boolean = Is.string('this is a string') // true

ObjectNavigator

Types

Use the Types registry to retrieve or add type definitions for the runtime to validate.

 

FAQ

Q: What is the difference between Is and Types?

A: The Is helper is meant to be a basic type checker for primitives while Types is meant to be used as a custom type validator.

License

Copyright 2018 NativeCode Development opensource@nativecode.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Keywords

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install

npm i @nofrills/types

Downloadsweekly downloads

519

version

4.0.7

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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