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migrate-to-shoehorn

Migrate test files from `as` type assertions to @total-typescript/shoehorn. Use when user mentions shoehorn, wants to replace `as` in tests, or needs partial test data.

  • Skills
  • Miscellaneous
  • 0

What it does and how to use it

A skill that teaches Claude Code to do miscellaneous tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/mattpocock-skills__migrate-to-shoehorn && curl -fsSL https://doutorai.pt/data/lib/skills__mattpocock-skills__migrate-to-shoehorn.md -o .claude/skills/mattpocock-skills__migrate-to-shoehorn/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
name: migrate-to-shoehorn
description: Migrate test files from `as` type assertions to @total-typescript/shoehorn. Use when user mentions shoehorn, wants to replace `as` in tests, or needs partial test data.
---

# Migrate to Shoehorn

## Why shoehorn?

`shoehorn` lets you pass partial data in tests while keeping TypeScript happy. It replaces `as` assertions with type-safe alternatives.

**Test code only.** Never use shoehorn in production code.

Problems with `as` in tests:

- Trained not to use it
- Must manually specify target type
- Double-as (`as unknown as Type`) for intentionally wr

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