web-streams

A micro-library of stream components for building custom JSON and JSONC processing pipelines with a minimal memory footprint — parse, filter, and transform JSON far larger than available memory with a SAX-inspired token API, on Node.js or Web Streams.

Chain functions, generators, Node streams, and Web streams into a pipeline with backpressure support.

stream-csv-as-json is a micro-library of stream components for building custom CSV processing pipelines with a minimal memory footprint, on Node.js or Web Streams. It can parse CSV files far exceeding available memory streaming individual primitives using a SAX-inspired API.

A streaming JSON parser/stringifier using web streams.

🌊A CSV Toolbox utilizing Web Standard APIs.

Utilities for working with streaming JSON in Worker Environments.

🦖 A tiny and fast CSV parser & formatter for JavaScript.

Isomorphic WHATWG Streams API package for browser and Node.js

Toolkit of 1→N stream combinators: broadcast, route, filter — Node Streams and Web Streams, with proper backpressure handling.

Read from an abstract-level database using Web Streams.

Streaming JSON parser built on top of the Web Streams API

Multiplex and demultiplex web streams.

Set of JavaScript iterator, generator and stream utilities

Functional stream utilities for JavaScript & TypeScript

Run OS and shell commands using template tag functions. Same API in Node, Deno, and Bun. Web streams, TypeScript typings, zero dependencies.

file storage abstraction engine built for the modern JavaScript/TypeScript ecosystem

A state machine for incremental JSON processing.

Streaming JSON for Web Streams: NDJSON, incremental array streaming, and partial JSON for LLM output. Zero dependencies, runs on every runtime.

Universal, tree-shakeable, TypeScript-first spreadsheets — read, write, and stream .xlsx/.csv with zero dependencies. Ground-up rewrite of ExcelJS.