JavaScript Minifier for Rust

Free online javascript minifier with Rust code examples

Working with javascript minifier in Rust? Our free online javascript minifier helps Rust developers format, validate, and process data instantly. Below you will find Rust code examples using swc so you can achieve the same result programmatically in your own projects.

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Rust Code Example

// Using swc for JavaScript minification in Rust
// Note: swc setup requires multiple crates
use std::process::Command;

fn main() {
    // The simplest approach is to use swc CLI
    // Install: cargo install swc_cli
    // Then: swc minify input.js -o output.js

    // For library usage, see swc documentation at swc.rs
    let js = "function greet(name) { var msg = 'Hello, ' + name; console.log(msg); }";

    // Simple whitespace removal as a basic approach
    let minified: String = js.split_whitespace().collect::<Vec<&str>>().join(" ");
    println!("{}", minified);
}

Quick Setup

Library: swc
cargo add swc_ecma_minifier swc_ecma_parser swc_common

Rust Tips & Best Practices

  • SWC is an extremely fast Rust-based JS/TS compiler
  • swc_ecma_minifier provides the minification module
  • For simple use cases, use the swc CLI tool

Frequently Asked Questions

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