Explore a real-world case study of integrating WebAssembly and Rust into an existing Electron application. Learn how Compass, a GUI for MongoDB, significantly improved performance by rewriting their schema parser in Rust. Discover the process of converting JavaScript code to Rust, incorporating WASM into a React app, and successfully deploying to production. Gain insights into maintaining data integrity while interfacing with MongoDB through Node.js. Delve into the challenges, mishaps, and solutions encountered during this transition, providing valuable lessons for developers considering similar performance optimizations in their projects.