pdsl

An expressive declarative toolkit for composing predicates in TypeScript or JavaScript

import p from "pdsl";

const isSoftwareCreator = p`{
  name: string,
  age: > 16,
  occupation: "Engineer" | "Designer" | "Project Manager"
}`;

isSoftwareCreator(someone); // true | false

• Intuitive
• Expressive
• Lightweight - under 6k!
• No dependencies
• Small bundle size
• Fast

Documentation

PDSL Documentation