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wtf is todos?

gaearon/todos — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2020-06-10

★ 785JavaScriptAudience · developerComplexity · 2/5DormantSetup · easy

TL;DR

A collection of git branches showing how a simple todos app evolves into idiomatic Redux, teaching state management by example instead of theory.

Mindmap

mindmap
  root((Redux Todos))
    What it does
      Working todos app
      Branch-by-branch lessons
      Idiomatic Redux patterns
    Tech Stack
      JavaScript
      Redux
    Use Cases
      Learn Redux by example
      Compare refactor steps
      Study state management
    Audience
      Developers
      Redux learners
      Frontend beginners

Code map

Detail Auto

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filefunction / class

Why would anyone build with this?

REASON 1

Learn idiomatic Redux patterns by comparing working code across different git branches.

REASON 2

See how a simple todos app is refactored step by step into cleaner state management.

REASON 3

Study a hands-on alternative to abstract Redux documentation and tutorials.

What's in the stack?

JavaScriptRedux

How it stacks up

gaearon/todosstephengrider/dockercastsgaearon/suspense-experimental-github-demo
Stars785785795
LanguageJavaScriptJavaScriptJavaScript
Last pushed2020-06-102023-01-262020-12-28
MaintenanceDormantDormantDormant
Setup difficultyeasymoderateeasy
Complexity2/53/52/5
Audiencedeveloperdeveloperdeveloper

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

How do you spin it up?

Difficulty · easy Time to first run · 5min

README is minimal, most learning happens by reading and running the code across branches.

Yoink these prompts

Prompt 1
Walk me through the differences between two branches in this repo to explain how the Redux pattern improved.
Prompt 2
Help me run this todos app locally and trace how actions update state.
Prompt 3
Explain why the later branches in this repo are considered the 'idiomatic' way to write Redux.
Prompt 4
Show me how to apply the state management pattern from this repo's final branch to my own app.

Frequently asked questions

wtf is todos?

A collection of git branches showing how a simple todos app evolves into idiomatic Redux, teaching state management by example instead of theory.

What language is todos written in?

Mainly JavaScript. The stack also includes JavaScript, Redux.

Is todos actively maintained?

Dormant — no commits in 2+ years (last push 2020-06-10).

How hard is todos to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is todos for?

Mainly developer.

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