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Mixin pattern for shared behavior v1.0.0

Use this resource to share functionality between objects or classes without inheritance

New

  • 351 downloads
  • 137 likes
  • 160 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install mixin-reusable-behavior

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 explains the mixin pattern and applies it to your code: it moves shared behavior into an object, then composes it into the classes that need it. You get code with no inheritance chain, along with the cases where the pattern does not fit.

Mostly picked by

Updated November 2, 2026

Card for the “Mixin pattern for shared behavior” skill

Details

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

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What you get

  • SKILL.md: principle, use cases and cases to avoid
  • SKILL.md: detailed JavaScript mixin examples

Good fit for

  • Several classes need the same behavior with no inheritance link
  • You want to avoid a deep class hierarchy

Not for

    Tags

    • mixin
    • javascript
    • composition
    • inheritance

    About

    You say

    “Factor out the event handling shared by my Panel and Modal classes using a mixin.”

    Card for the “Mixin pattern for shared behavior” skill

    Skill published by patternsdev 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 share functionality between objects or classes without inheritance
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.3 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md6.1 KB

    Origin and licence

    Listed unmodified

    Author
    patternsdev
    Source
    github.com/patternsdev/skills/tree/48bf58a488cd210bcfad280b09c3a00403964d9d/javascript/mixin-pattern
    Licence
    MIT

    Notice

    « mixin-pattern » (patternsdev, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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