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The Composable Architecture: reducers and tests v1.0.0

Use this resource to build and test features with The Composable Architecture

New

  • 537 downloads
  • 248 likes
  • 174 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install tca-reducers-effects-testing

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent structures reducers, handles effects and navigation, then writes tests with TestStore. You get consistent TCA features whose dependencies are easy to test.

Mostly picked by

Updated November 2, 2026

Card for the “The Composable Architecture: reducers and tests” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: principles and common mistakes
  • references/reducer-structure.md: reducer structure
  • references/testing-fundamentals.md: tests with TestStore

Good fit for

  • You are starting a SwiftUI app in TCA
  • Your effects and dependencies are hard to test

Not for

    Tags

    • tca
    • swift
    • reducer
    • tests

    About

    You say

    “Create a reducer for a cart with async loading and TestStore tests.”

    Card for the “The Composable Architecture: reducers and tests” skill

    Skill published by johnrogers under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to build and test features with The Composable Architecture
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/dependencies.md7.7 KB
    • references/effects.md5.6 KB
    • references/navigation-advanced.md4.5 KB
    • references/navigation-basics.md4.3 KB
    • references/performance.md8 KB
    • references/presentation.md8.8 KB
    • references/reducer-structure.md6.3 KB
    • references/shared-state.md5.4 KB
    • references/testing-advanced.md8.4 KB
    • references/testing-fundamentals.md4.9 KB
    • references/testing-patterns.md9.3 KB
    • references/testing-utilities.md7.4 KB
    • references/views-binding.md4.3 KB
    • references/views-composition.md4.4 KB
    • SKILL.md3.9 KB

    Origin and licence

    Listed unmodified

    Author
    johnrogers
    Source
    github.com/johnrogers/claude-swift-engineering/tree/1dc2cf4d020bd524168f20bec95104da6cb2888c/plugins/swift-engineering/skills/composable-architecture
    Licence
    MIT

    Notice

    « composable-architecture » (johnrogers, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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