Issue #642  (JS Utils, JSON/DB, Build Tools)11/06/25

JavaScript Utilities

@fetchkit/ffetch — A production-ready TypeScript-first drop-in replacement for native Fetch, or any fetch-compatible implementation, with configurable timeouts, retries, and circuit-breaker baked in.

Intl-T — A fully-typed object-based internationalization translation library, with support for JSON files and dynamic remote imports, a familiar syntax, ICU message format, and it's framework agnostic.

globby — A User-friendly glob matching library that uses the Promise API and has support for multiple patterns, negated patterns, expanded directories, .gitignore, among other features.

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JustGage — A modern ES6+ JavaScript library for creating animated dashboard gauges using native SVG APIs, zero dependencies, and resolution independence.

pompelmi — A fast, tiny, and typed file upload malware scanning utility for Node.js, with optional YARA integration, ZIP deep‑inspection, and drop‑in adapters for Express, Koa, and Next.js.

itty.dev — A suite of small utilities that includes a router, fetch wrapper, CLI for TS packages, browser console styler, and more.

nstr — A number to string conversion utility that automatically detects and fixes floating-point precision issues inherent when using common built in JS methods.

YIKES — "Your Infinite Knowledge Entertainment System", a framework for creating LLM-powered text adventures using context engineering.

JSON Tools, Databases, etc.

DuckPlot — A JavaScript library that allows you to quickly generate charts with Observable Plot when working with DuckDB.

jsonriver — A simple, fast streaming JSON parser built on standards that lets you parse JSON incrementally as it streams, for example, from a network request or a language model.

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pgline — A PostgreSQL driver for Node.js written in TypeScript that fully implements Pipeline Mode, delivering exceptionally high performance in concurrent queries, with faster speed and lower database CPU usage.

Format JSON Online — A platform that offers 40+ tools to do just about anything you want with JSON, including format, validate, convert, query, compare data, and lots more.

MCP Server for MySQL — A Model Context Protocol server that provides read-only access to MySQL databases, optimized for Claude Code, enabling LLMs to inspect database schemas and execute read-only queries.

Datalink — A Figma plugin that lets you generate data from a comprehensive menu of options and configurations, or sync with your Google Sheets to populate your Figma layers that contain a "%" symbol as a prefix.

Schemalint — A TypeScript utility that lets you run linting rules on your database schema in Postgres databases.

TrailBase — An open, blazingly fast, single-executable Firebase alternative with type-safe REST and real-time APIs, built-in WebAssembly, Rust, SQLite, and Wasmtime.

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Build Tools, Bundlers, etc.

vite-plugin-use-golang — A Vite plugin that lets you write Go code in JavaScript files and Vite compiles it to WebAssembly at build time.

comptime.ts — A dead-simple TypeScript compiler that does one thing really well: enables compile-time evaluation of expressions, useful for optimising your code by moving computations from runtime to compile time.

@ts-migrating — A plugin to progressively upgrade tsconfig.json by upgrading to your desired compilerOptions across your entire codebase, while letting problematic lines fall back to the old compilerOptions.

API Extractor — A TypeScript analysis tool that produces three different output types: an API Report, .d.ts Rollups, and API Documentation, to help you build better TypeScript library packages.

eslint-plugin-react-query-keys — ESLint plugin to enforce best practices when working with React Query keys.

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rolldown-vite — A fork of Vite that uses Rolldown instead of Rollup and esbuild and can be used as a drop-in replacement to test out Rolldown with Vite until the feature is baked into Vite.

zshy — A bundler-free batteries-included build tool for transpiling TypeScript libraries, originally created as an internal build tool for Zod but now available as a general-purpose tool for TypeScript libraries.

Commercial Apps & Classifieds