caldempsey

caldempsey / parfit

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Paragraph fit — a codebase-aware comment reflow tool. Wraps prose with optimal-fit line breaking; leaves directives alone. Inspired by par.

crates.iocratesparfit cli comments developer-tools formatter line-breaking
11
0
100% credibility
Found Apr 24, 2026 at 11 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Rust
AI Summary

parfit reflows prose within code comments to a target width using optimal line breaking, preserves machine-readable directives unchanged, and supports multiple programming languages.

How It Works

1
📰 Discover parfit

You come across parfit, a simple tool that neatly wraps long sentences in code comments to make them easy to read, while keeping special notes untouched.

2
💻 Get it on your computer

You install parfit with a quick command, and it's ready to use right away.

3
📁 Pick your files or folders

You choose the code files or entire folders where you want to tidy up the comments.

4
✨ Run the magic

You launch parfit, and it smartly detects comments in your code, wraps the prose beautifully to your preferred line length, and leaves everything else perfect.

5
Preview or apply
👀
Preview

See the changes on screen to check they look great before saving.

✅
Apply

Update the files right away with the neat formatting.

🎉 Perfect comments

Your code comments now flow nicely on every line, making your project look polished and professional.

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Star Growth

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AI-Generated Review

What is parfit?

parfit is a Rust CLI tool for reflowing prose in code comments to a target width (default 68 columns) using optimal-fit line breaking, like a codebase-aware par. It detects prefixes such as // or #, wraps text evenly without short last lines, and leaves directives (//go:generate, # noqa, URLs) untouched while passing code byte-for-byte. Run it on stdin for quick editor pipes, or recursively with parfit -r '*.rs' to format entire trees, respecting .gitignore.

Why is it gaining traction?

It beats classic par by parsing 13 languages (Rust, Go, Python, JS, Markdown), skipping fenced blocks and structural lines alone, with fd-style globs for repo-wide runs. Optimal Knuth-Plass wrapping plus prefix preservation delivers polished comments instantly—no more ragged fitness paragraph 20 or fitting paragraph hacks. Homebrew install and vim/emacs integration hook devs tired of manual tweaks.

Who should use this?

Rust crate authors documenting modules with /// blocks. Go teams enforcing clean // comments in large monorepos. Markdown writers (READMEs, changelogs) needing prose reflow without breaking fences or lists—parfit handles paragraph fitnessstudio paragraph 20 style tasks effortlessly.

Verdict

Early maturity at 11 stars and 1.0% credibility score, but excellent README and MIT license make it low-risk to test on personal projects. Grab it if uneven comments bug you; pair with parfit reasons and persons pdf for philosophy breaks while it matures block comment support. (187 words)

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