What is avoid-wrapper-types?
Use when typing primitives. Use when tempted to use String, Number, Boolean. Use when wrapper types appear in errors. Source: marius-townhouse/effective-typescript-skills.
·avoid-wrapper-types
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avoid-wrapper-types
marius-townhouse/effective-typescript-skillsGitHub: marius-townhouse/effective-typescript-skillsSource: marius-townhouse/effective-typescript-skills
Use when typing primitives. Use when tempted to use String, Number, Boolean. Use when wrapper types appear in errors.
How to Install avoid-wrapper-types
Quickly install avoid-wrapper-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 avoid-wrapper-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 rawJavaScript has primitive types (string, number, boolean) and object wrapper types (String, Number, Boolean). TypeScript has types for both, but you should almost never use the wrapper types.
| string | String | | number | Number | | boolean | Boolean | | symbol | Symbol | | bigint | BigInt |
Pressure: "I want to use String methods, so I'll type it as String"
Use when typing primitives. Use when tempted to use String, Number, Boolean. Use when wrapper types appear in errors. 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 avoid-wrapper-types- Category
- </>Dev Tools
- Verified
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- First Seen
- 2026-02-26
- Updated
- 2026-03-10
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Quick answers
How do I install avoid-wrapper-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 avoid-wrapper-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
- user
- First Seen
- 2026-02-26