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compiler-performance

compiler-performance

github.com/marius-townhouseDevelopment644 installsUpdated 38w ago
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About compiler-performance

A TypeScript skill for developers maintaining large projects or addressing slow builds and IDE responsiveness. It recommends monitoring compiler performance, using project references and incremental settings, and avoiding expensive type patterns.

Key features

  1. 01Monitor compiler performance
  2. 02Use TypeScript project references
  3. 03Configure incremental compilation
  4. 04Avoid expensive type patterns

Use cases

  1. 01Investigating slow TypeScript builds
  2. 02Splitting large projects into references
  3. 03Improving IDE responsiveness

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/marius-townhouse/effective-typescript-skills --skill compiler-performance

After installing, type/compiler-performancein Claude Code to confirm it loaded.

Details

From the project README

Pay Attention to Compiler Performance

Overview

TypeScript compilation can become slow in large projects. Monitor and optimize compiler performance using techniques like project references, proper tsconfig settings, and avoiding expensive type patterns. Fast compilation improves developer experience.

When to Use This Skill

  • Build times are slow
  • Optimizing TypeScript projects
  • Configuring project references
  • Working with large codebases
  • Improving IDE responsiveness

The Iron Rule

Monitor and optimize TypeScript performance. Use project references, avoid expensive type patterns, and keep compilation fast.

Performance Tips

// AVOID: Expensive recursive types
type DeepPartial<T> = T extends object
  ? { [K in keyof T]?: DeepPartial<T[K]> }
  : T;

// PREFER: Iterative approaches, project references
// Split large projects using project references

// tsconfig.json optimizations
{
  "compilerOptions": {
    "incremental": true,        // Incremental compilation
    "tsBuildInfoFile": ".tsbuildinfo"
  }
}

Reference

  • Effective TypeScript, 2nd Edition by Dan Vanderkam
  • Item 78: Pay Attention to Compiler Performance

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