React to Rust, no try/catch

Short summary

This article demonstrates building type-safe, exception-free control flow by chaining React forms → schema validation → Rust WASM solver using Result/Option discriminated unions instead of try/catch. Rather than exceptions, the pattern preserves typed outcomes from Rust to JavaScript with a working demo and three open-source libraries.

• •Result/Option patterns eliminate try/catch for control flow while preserving type safety across React-Rust boundaries
• •Rust's type system enforces correctness at the source; TypeScript consumers inherit safety for free via proper FFI design
• •Concrete example: orbital mechanics solver (Lambert's problem) with working Stackblitz demo and tree-shakable railway-ts library

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