When Packages

Functional implementation of switch/case, inspired by Ruby case/when.

A small library to help Jest support given-when-then style testing without a bunch of overhead

match-when - Pattern matching for modern JavaScript

A frontend generator for building large scale single page applications using Marionette, RequireJS, Handlebars

When React Component for conditional rendering

normalize an object/array where some values may be wrapped in Results

Tiny promise library compatible with Promise/A+ and ES6

Repeat until the predicate returns true and resolves a Promise

A small library to help Jest support given-when-then style testing without a bunch of overhead

Functional pattern matcher

Holds function executions back until a certain requirement is met

a tiny helper to check for a series of conditions and execute a function if all of them pass

When/this/then/do/stuff API, I'm bad at describing. Basically IFTT but as module

Promises A+ implementation

Return a value when a condition passes, otherwise return undefined

Enables functional, promised-based interactions with Readable streams.

Given, When, Then interface for mocha

Simple When Rule Construction

Request + WhenJS

Red Phosphorus - Patter Match Library for ES2015 Era