RC - Remove Comments

A simple CLI tool that removes comments from JavaScript and TypeScript files.

Features

• Remove single-line comments (//)
• Remove multi-line comments (/* */)
• Process single files or directories recursively
• Supports JavaScript (.js, .jsx) and TypeScript (.ts, .tsx) files
• In-place editing option
• Preserves strings and template literals containing comment-like syntax
• Handles escape sequences properly

Installation

cargo build --release

Usage

Process a single file (output to stdout)

rc path/to/file.js

Process a file in-place (modify the original file)

rc --in-place path/to/file.js

Process a directory recursively

rc path/to/directory

Process with verbose output

rc --verbose path/to/directory

Combine options

rc --in-place --verbose path/to/directory

Options

• -i, --in-place: Process files in-place (modify original files)
• -v, --verbose: Verbose output showing which files are being processed
• -h, --help: Show help message

Examples

# Remove comments from a single file and print to stdout
rc src/main.js

# Remove comments from all JS/TS files in a directory
rc --in-place --verbose src/

# Process specific file types in a project
rc --in-place --verbose .

What it removes

• Single-line comments: // comment
• Multi-line comments: /* comment */
• Inline comments: code(); // comment
• Block comments with multiple lines

What it preserves

• Comment-like syntax inside strings: "This has // inside"
• Comment-like syntax inside template literals: `This has /* inside */ too`
• Code structure and formatting (except empty lines are cleaned up)

Supported file extensions

• .js - JavaScript files
• .jsx - React JavaScript files
• .ts - TypeScript files
• .tsx - React TypeScript files