https://github.com/ryardley/pdsl

The expressive declarative toolkit for composing predicates in TypeScript or JavaScript
https://github.com/ryardley/pdsl

boolean-function guard predicate-functions property-truthiness typescript

Last synced: 2 months ago
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The expressive declarative toolkit for composing predicates in TypeScript or JavaScript

• Host: GitHub
• URL: https://github.com/ryardley/pdsl
• Owner: ryardley
• License: mit
• Created: 2019-07-12T12:16:02.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2023-03-10T10:29:47.000Z (almost 2 years ago)
• Last Synced: 2024-10-23T14:02:42.221Z (2 months ago)
• Topics: boolean-function, guard, predicate-functions, property-truthiness, typescript
• Language: TypeScript
• Homepage: https://pdsl.site
• Size: 7.15 MB
• Stars: 69
• Watchers: 2
• Forks: 2
• Open Issues: 16
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE

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README

        







  



Predicate Domain Specific Language



  Read the docs!        








[![Build Status](https://travis-ci.com/ryardley/pdsl.svg?branch=master)](https://travis-ci.com/ryardley/pdsl)

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[![codecov](https://codecov.io/gh/ryardley/pdsl/branch/master/graph/badge.svg)](https://codecov.io/gh/ryardley/pdsl)

#### An expressive declarative toolkit for composing predicates in TypeScript or JavaScript

```js

import p from "pdsl";

const isSoftwareCreator = p`{

  name: string,

  age: > 16,

  occupation: "Engineer" | "Designer" | "Project Manager"

}`;

isSoftwareCreator(someone); // true | false

```

- [x] Intuitive

- [x] Expressive

- [x] Lightweight - under 6k!

- [x] No dependencies

- [x] Small bundle size

- [x] Fast




## Documentation

[PDSL Documentation](https://pdsl.site)