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wtf is q?

pikachuexe/q — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2014-04-24

JavaScriptAudience · developerComplexity · 2/5Dormant

TL;DR

A JavaScript library that gives you promises so you can chain async operations like API calls or file reads, instead of nesting callbacks.

Mindmap

mindmap
  root((repo))
    What it does
      Wraps async values
      Adds then chaining
      Flattens callbacks
    Tech stack
      JavaScript
      Works in browser
      Works in Node
    Use cases
      Sequential API calls
      File read chains
      Combine many promises
    Audience
      Node developers
      Front-end developers
      Any JS project

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Chain a fetch-profile then fetch-settings then fetch-notifications sequence without nested callbacks.

REASON 2

Combine several async calls and wait for all of them before continuing.

REASON 3

Handle every error in an async chain with one catch-style handler.

REASON 4

Drop the library into a web page to manage AJAX and user-interaction flows.

What's in the stack?

JavaScript

How it stacks up

pikachuexe/q3rd-eden/ircb.ioa15n/a15n
LanguageJavaScriptJavaScriptJavaScript
Last pushed2014-04-242016-11-162019-04-07
MaintenanceDormantDormantDormant
Setup difficulty—easyeasy
Complexity2/52/52/5
Audiencedeveloperdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

Yoink these prompts

Prompt 1
Show me how to rewrite this nested-callback function using promise chaining with .then().
Prompt 2
Help me combine multiple async calls so they all run and I wait for every result together.
Prompt 3
Write a promise chain that fetches a user, then their settings, then their notifications, in order.
Prompt 4
Add a single error handler that catches failures anywhere in this promise chain.

Frequently asked questions

wtf is q?

A JavaScript library that gives you promises so you can chain async operations like API calls or file reads, instead of nesting callbacks.

What language is q written in?

Mainly JavaScript. The stack also includes JavaScript.

Is q actively maintained?

Dormant — no commits in 2+ years (last push 2014-04-24).

Who is q for?

Mainly developer.

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