A React primitive for building slim progress bars.
Ghostery adblocker library (extended CSS selectors implementation)
The broker which is used by the midi-json-parser package.
OpenAPI Specification (OAS) plugin for Kubb, providing core functionality for parsing and processing OpenAPI/Swagger schemas for code generation.
Work with large numbers on the client side. Round them off to any required precision.
OpenTelemetry AsyncLocalStorage-based Context Manager
Headless cookie banner, consent manager & preference center for JavaScript / TypeScript. GDPR, CCPA, LGPD and IAB TCF compliant.
Core implementation for Google Tag Manager support
Diff-Match-Patch in typescript with full budget and surrogate pairs support
An [Istanbul](https://istanbul.js.org/) reporter that emits the **Canyon interactive HTML coverage report**. It extends `istanbul-lib-report`’s `ReportBase`, aggregates per-file coverage, enriches it with optional Git diff metadata, and writes a self-cont
Opt-in structured logging, telemetry buffers, exporters, and Frontier patch summaries.
Generate TypeScript validation functions from JSON Schemas.
A JavaScript library to perform common operations on Personal Identification Numbers (Social Security Numbers), like: Validation, censoring the individual digits, calculating age and detecting gender.
React Native Firebase - Cloud Functions for Firebase lets you automatically run backend code in response to events triggered by Firebase features and HTTPS requests. React Native Firebase supports integration with production and locally emulated Cloud Fun
An ESLint plugin for projects using Cypress
Feature Flag module for Angular JS apps
Headless cookie banner, consent manager & preference center for React. RSC-compatible, GDPR/CCPA/LGPD/TCF, TypeScript-first.
Deploy gate for AI-coded web apps. `pqcheck deploy-check --ai` returns ship_decision=pass|review|block for Claude Code / Cursor / Copilot / Aider to gate deploys before they ship. Anonymous, no signup, free for first use.
Universal document diffing library — structure-aware, string-level, multi-format
Money Forward's Stylelint rules as an extensible shared config.
line by line diff of two large files
Runs typescript type checker and linter on separate process.
A general-purpose color library for JavaScript
Ghostery adblocker library (content-scripts helpers)