# TS Style > JS/TS style guidelines and review checklist for workerd. Covers TypeScript strictness, import conventions, export patterns, private field syntax, error handling, feature gating, and test structure. Load this skill when reviewing or writing JavaScript or TypeScript code in src/node/, src/cloudflare/, or JS/TS test files under src/workerd/. Use when this capability is needed. - Skill: `tomevault-io/ts-style` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/ts-style` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/ts-style/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/ts-style --- **Always** use the `docs/reference/ts-style.md` file when reviewing or writing JavaScript and TypeScript code. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/cloudflare) — claim your Tome and manage your conversions.