explaingit

patrickjs/react

Analysis updated 2026-07-17 · repo last pushed 2015-09-09

★ 1Audience · developerComplexity · 3/5DormantSetup · moderate

TLDR

The source code repository for React, the JavaScript library that efficiently updates web pages by only re-rendering the parts of the screen that change.

Mindmap

mindmap
  root((react))
    Inputs
      JSX components
      Data changes
    Outputs
      Updated DOM
      Rendered UI
    Use Cases
      Build interactive UIs
      Add React to existing sites
    Tech Stack
      JavaScript
      JSX
      Node.js
    Audience
      Developer

Code map

Detail Auto

An interactive map of this repo's files and how they connect — its source is parsed live in your browser. Click Visualize to build it.

filefunction / class

What do people build with it?

USE CASE 1

Build an interactive dashboard where charts and data update smoothly without full page reloads.

USE CASE 2

Add a single React component to an existing website without rewriting the rest of the site.

USE CASE 3

Clone and build React from source to contribute a bug fix or improvement.

USE CASE 4

Learn how the virtual DOM diffing approach makes UI updates efficient.

What is it built with?

JavaScriptJSXNode.js

How does it compare?

patrickjs/react0xkinno/neuralvault0xmayurrr/ai-contractauditor
Stars111
Language—TypeScriptTypeScript
Last pushed2015-09-09——
MaintenanceDormant——
Setup difficultymoderatehardeasy
Complexity3/54/52/5
Audiencedeveloperdeveloperdeveloper

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

How do you get it running?

Difficulty · moderate Time to first run · 1h+

This is React's own source repo, building from source requires Node.js and running the project's build/test tooling, not just installing the npm package.

License is not stated in the available content.

Copy-paste prompts

Prompt 1
Explain how React's virtual DOM decides what parts of a page to update when data changes.
Prompt 2
Show me how to clone this React repository, install dependencies, and build it from source.
Prompt 3
Help me add a single React component to an existing plain-HTML website.
Prompt 4
Walk me through the testing and linting workflow this repo uses before submitting a contribution.
Prompt 5
Compare how React's rendering approach differs from manually updating the DOM with JavaScript.

Frequently asked questions

What is react?

The source code repository for React, the JavaScript library that efficiently updates web pages by only re-rendering the parts of the screen that change.

Is react actively maintained?

Dormant — no commits in 2+ years (last push 2015-09-09).

What license does react use?

License is not stated in the available content.

How hard is react to set up?

Setup difficulty is rated moderate, with roughly 1h+ to a first successful run.

Who is react for?

Mainly developer.

Open on GitHub → Explain another repo

This repo across BitVibe Labs

Verify against the repo before relying on details.

Alternatives & similar repos