npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2024 – Pkg Stats / Ryan Hefner

@brainstack/rules-engine

v1.0.77

Published

A lightweight rules engine to evaluate conditional logic.

Downloads

90

Readme

@brainstack/rules-engine

The @brainstack/rules-engine is a customizable and lightweight rules engine package for evaluating business rules and conditional logic in TypeScript applications.

Features

  • Flexible rule definitions
  • Evaluate multiple rules and return the triggered ones
  • Simple to integrate into any application

Installation

To install the @brainstack/rules-engine package, use the following command:

npm install @brainstack/rules-engine

Getting Started

Here's how to get started with the @brainstack/rules-engine:

Define your rules

First, define the rules that you want the engine to evaluate. Each rule's name and evaluation function must be clearly specified:

import { RuleFunction, IRule, RulesEngine } from '@brainstack/rules-engine';

const isOver18: RuleFunction = (data) => data.age > 18;
const isEmployed: RuleFunction = (data) => data.employed === true;

const rules: IRule[] = [
  { name: 'Adult', evaluate: isOver18 },
  { name: 'Employed', evaluate: isEmployed }
];

const engine = new RulesEngine(rules);

Evaluate the rules

Once your rules are defined, use the RulesEngine instance to evaluate data against them:

// Sample data object
const userData = { age: 21, employed: true };

// Evaluate the rules
const results = engine.evaluate(userData);
console.log(results); // Output: ['Adult', 'Employed']

Integrate into your application

Integrate the @brainstack/rules-engine within your application wherever you need to evaluate business rules:

// In an application method
if (engine.evaluate(userData).includes('Employed')) {
  // Take some action based on the rule
}

Documentation

Refer to the detailed documentation for advanced usage, API references, and more on how to leverage the full power of the @brainstack/rules-engine.

Contributing

Contributions to the @brainstack/rules-engine are welcome! Please submit any issues or pull requests to the repository.