simple functional branching logic

Adaptive Feedback - Multi-step survey widget with branching logic and PostHog events

simple functional branching logic

Simplifies creating branching logic in the GOV.UK prototype kit..

A small, framework-agnostic JavaScript/TypeScript client for the Apache Iceberg REST Catalog

A framework-agnostic Web Component that renders a chat-style form interface from a JSON schema, with branching logic and pluggable adapters.

Build complex rules, serialize them as JSON, and execute them in JavaScript

Oxlint JS plugin that bans switch statements and else branches to encourage early returns and strategy/map dispatch.

Construct complex rules with JSON & process them.

Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

Coding agent CLI with read, bash, edit, write tools and session management

An extension lib for jest

[Hypertune](https://www.hypertune.com/) is the most flexible platform for feature flags, A/B testing, analytics, and app configuration. Built with full end-to-end type safety, Git-style version control and local, synchronous, in-memory flag evaluation. Op

Floating UI for the web

Positioning library for floating elements: tooltips, popovers, dropdowns, and more

Immutable hash maps implemented as hash array papped tries

Logic-less {{mustache}} templates with JavaScript

TypeScript definitions for json-logic-js

`@jest/pattern` is a helper library for the jest library that implements the logic for parsing and matching patterns.

Rete.js Engine ==== [](https://stand-with-ukraine.pp.ua) [](https://di