Formatter

A program that tidies the code automatically (spaces, lines, quotation marks), so it looks neat and the same everywhere.

You’ll also find it as: formatting, auto-formatting

How it appears in the course

“Formatting” means tidying up the code: spaces, lines, alignment. The script below finds out which file Claude edited. Then it runs the right tidying tool, depending on the file type.

Ready-to-use recipes · Module 07, Hooks: automatic actions

Where you learn it

In module 07 · Hooks: automatic actions, in the Claude Code for Beginners course.

Related terms

Exit code Hook jq Lockfile stderr stdin

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