prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

A collection of essential TypeScript types

Indent each line in a string

Add callbacks to requests in flight to avoid async duplication

CLI arguments parser. Native port of python's argparse.

Glob-based configuration matching.

a little globber

User-friendly glob matching

Blazing fast and accurate glob matcher written in JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.

Strip ANSI escape codes from a string

ð ¦ð Safe, stable, reproducible projects

An object schema merger/validator

Regular expression for matching a shebang line

A collection of essential TypeScript types

Map over promises concurrently

ANSI escape codes for styling strings in the terminal

Run multiple promise-returning & async functions with limited concurrency

Fast, in memory work queue

Constants and utilities about visitor keys to traverse AST.

Get the first fulfilled promise that satisfies the provided testing function

Import a module while bypassing the cache

YAML 1.2 parser and serializer

An AST-based pattern checker for JavaScript.

Debounce promise-returning & async functions