Crate mni 

mni - A World-Class Minifier

A high-performance minifier for JavaScript, CSS, and JSON written in Rust.

Built on industry-leading libraries:

• JavaScript: SWC (powers Next.js, Deno, Vercel)
• CSS: LightningCSS (100x faster than cssnano, powers Parcel)
• JSON: serde_json (Rust standard)

Features

• Production-Ready: Built on battle-tested libraries
• Blazing Fast: SWC + LightningCSS performance
• High Compression: Terser-level minification quality
• Multi-format: JavaScript (ES5-ESNext), CSS, JSON
• Source Maps: Source map generation for JS (via SWC) and CSS (via LightningCSS)

Example

use mni::{Minifier, MinifyOptions, Target};

let code = r#"
    function hello(name) {
        console.log("Hello, " + name + "!");
    }
"#;

let options = MinifyOptions {
    target: Target::ES2015,
    mangle: true,
    compress: true,
    ..Default::default()
};

let minified = Minifier::new(options).minify_js(code).unwrap();
println!("{}", minified.code);

Re-exports

pub use config::MinifyOptions;

pub use config::Target;

Modules

config

Configuration options for minification.

minify

Minification implementations for different formats

Structs

Minifier

Main minifier interface that provides methods to minify JavaScript, CSS, and JSON.

MinifyResult

Result of a minification operation containing the minified code, optional source map, and statistics.

MinifyStats

Statistics collected during the minification process.