typescript-performance

Profile TypeScript CPU, memory, and bundle performance using node --prof and tsc --diagnostics.

1|Updated Mar 22, 2026

Search Tags:#typescript #performance #optimization #type-checking #profile #bundle-size #sourcemap

Ready to run

npx skills add https://github.com/caraya/agent-skills --skill typescript-performance

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: typescript-performance
Source: https://github.com/caraya/agent-skills/tree/main/skills/typescript-performance
Command: npx skills add https://github.com/caraya/agent-skills --skill typescript-performance

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Profiling and optimizing TypeScript performance across development and production to reduce startup time, memory usage, and build overhead.

Core Features & Use Cases

Profiling and optimization guidance for CPU, memory, and bundle size in TypeScript projects.
Type-checking overhead assessment and tooling recommendations for faster builds.
Use Case: Large monorepos with complex type relations to improve startup latency and runtime performance.

Quick Start

Run a baseline profile of your TypeScript project to identify hot paths and optimize build and type-checking performance.

Frequently Asked Questions about typescript-performance

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I reduce TypeScript type-checking overhead in a large monorepo?▼

To reduce TypeScript type-checking overhead, you can use tsc --diagnostics to identify complex type relations and apply tooling recommendations to optimize build performance. This helps lower startup latency and memory usage in large monorepos.

What is the best way to profile CPU and memory usage in a TypeScript project?▼

The best way to profile TypeScript performance is by using node --prof for CPU profiling and taking memory snapshots. This identifies hot paths to reduce startup time, memory usage, and build overhead across development and production.

How do I analyze bundle size and sourcemap impact in webpack or esbuild?▼

You can analyze bundle size and sourcemap impact in webpack or esbuild by using bundle analyzers. This assesses sourcemap impact and provides guidance for bundle size reduction to optimize overall TypeScript performance.

Why does my TypeScript build take so long and how can I optimize it?▼

Your TypeScript build may take long due to type-checking overhead or unresolved hot paths. Run a baseline profile using node --prof and tsc --diagnostics to identify bottlenecks and get tooling recommendations for faster builds.

Does this performance profiling approach work with esbuild and webpack?▼

Yes, this performance profiling approach works with esbuild and webpack. It provides bundle analysis and sourcemap impact assessment specifically tailored for projects using these bundlers alongside tsc to reduce build overhead.