Explore

Inter-process and inter-machine lockfile utility

Read and parse a JSON file

Stringify and write JSON to a file atomically

Write to files atomically to prevent corrupt output on crashes or signals

Convert a string to a valid filename

Check if a file is text or binary

Completely redesigned file system API for convenience in everyday use

Extra methods for the module

Find the root directory of an npm package

Flexible and fluent interface for searching the file system

Move a file, even works across devices

Get a random temporary file or directory path

Promisify a callback-style function

Delay a promise a specified amount of time

Memoize promise-returning functions, with expire and prefetch

Limit the execution rate of a promise-returning function

Map over promises concurrently

Convert an Observable to a Promise

Manages synchronous and asynchronous code easily, using nothing more than standard JavaScript and Node-like Streams

Get a stream as a string or buffer

Convert a buffer/string/array/object into a stream

Turn a writeable and readable stream into a single streams2 duplex stream

Combine an array of streams into a single duplex stream

Transform stream that lets you peek the first line before deciding how to parse it