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Hook

format-javascript-files

Automatically format JavaScript/TypeScript files after any Edit operation using prettier. This hook runs 'npx prettier --write' on any .js, .ts, .jsx, or .tsx file that…

format-javascript-files is a Claude Code hook you can drop into a project. It plugs into the Claude Code workflow directly, so it is useful when a task keeps recurring and you want it handled the same way each time.

Everything on this page — the summary, the category and the how-to — is written by HowToPrompts; the link below goes to the original project.

TypeHook
/hook add format-javascript-files

How to use it

  1. Add the file to `.claude/agents/` (subagent) or `.claude/commands/` in your project.
  2. Restart Claude Code so it registers the new entry.
  3. Invoke it by name, or let the main session delegate to it.
Compiled and written by HowToPrompts from public sources.

Related in Hook

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