unctionjs/flatten

Returns the type name of the value provided.

Monadic streams

Babel command line.

Babel compiler core.

Compile object rest and spread to ES5

A Babel preset for each environment.

Babel preset for TypeScript.

TypeScript definitions for jest

TypeScript definitions for node

TypeScript plugin for ESLint

An ESLint custom parser which leverages TypeScript ESTree

Takes a marble string, an assertion, a final state callback, and a stream so that you can assert in tests how a stream will function

Jest plugin to use babel for transformation.

Annotates console.log call expression with information about the invocation context.

Standard library

an eslint rule plugin companion to babel-eslint

Eslint rule for consistent filenames.

Import with sanity.

ESLint rules for Jest

Enforce best practices for JavaScript promises

Security rules for eslint

Delightful JavaScript Testing.

TypeScript is a language for application scale JavaScript development

A polymorphic way to attach a value to the key on a keyed iterable

Takes a iterable and returns an empty fresh version of that iterable

Based on a predicate it passes the value to a consequent or alternative function

Determines if the value is an enumerable and if so returns true, else false

Always returns the value given when calling

Takes a type name and a value and returns a boolean if value is type

Merges two iterables, preferring right

Reduce over a iterable's values

Reduces over a functor, providing the reducer with the value and key