What is evolving-types?
Use when types change as code executes. Use when arrays are built incrementally. Use when working with any[] that narrows. Source: marius-townhouse/effective-typescript-skills.
·evolving-types
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evolving-types
✓marius-townhouse/effective-typescript-skillsGitHub: marius-townhouse/effective-typescript-skillsSource: marius-townhouse/effective-typescript-skills
Use when types change as code executes. Use when arrays are built incrementally. Use when working with any[] that narrows.
How to Install evolving-types
Quickly install evolving-types AI skill to your development environment via command line
- Open Terminal: Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.)
- Run Installation Command: Copy and run this command: npx skills add https://github.com/marius-townhouse/effective-typescript-skills --skill evolving-types
- Verify Installation: Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
Source: marius-townhouse/effective-typescript-skills.
SKILL.md
View rawSome variables start with broad types and narrow as TypeScript sees values added.
This is an exception to the rule that types don't change. Variables initialized without a value, or as empty arrays, can have "evolving" types that narrow based on what you assign to them.
Once a variable leaves its scope or is used in a function, its type is fixed:
Use when types change as code executes. Use when arrays are built incrementally. Use when working with any[] that narrows. Source: marius-townhouse/effective-typescript-skills.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/marius-townhouse/effective-typescript-skills --skill evolving-types- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-26
- Updated
- 2026-03-10
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Quick answers
How do I install evolving-types?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/marius-townhouse/effective-typescript-skills --skill evolving-types Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
Where is the source repository?
https://github.com/marius-townhouse/effective-typescript-skills
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-26