Book 3 · Lesson 3.6

WASM sanitize on submit

Prerequisites: 1.4 · 3.5

packages/redact-wasm compiles Rust to WASM — same logic in tests and browser.

pub fn redact_pii_deterministic(input: &str) -> String

WasmRedaction — submit notes and inspect safe payload.

Radar integration

apps/radar/src/pages/OneOnOnePortal.tsx calls redactInWorker before display/submit.

pnpm build:wasm

Why deterministic hashes instead of random [REDACTED] each time?

1. redact_pii_deterministic is… Random each run Same input → same token Server-only Kafka consumer