thrust-wasm

thrust-wasm is the WebAssembly binding crate for traffic-thrust. It provides browser/Node-friendly resolvers for FAA and EUROCONTROL data.

What is exposed

• FAA NASR resolver from zipped cycle files (NasrResolver).
• FAA ArcGIS parsing helpers used by the JS adapter layer.
• EUROCONTROL AIXM resolver from folder-like zip payload maps.
• EUROCONTROL DDR resolver from either:
  • folder-like payload maps (fromDdrFolder), or
  • direct archive bytes (fromDdrArchive).

Build locally

Build a single web target quickly:

wasm-pack build crates/thrust-wasm --target web --dev

Build publish-ready multi-target npm outputs (esm/web/nodejs):

cd crates/thrust-wasm
just pkg

Serve local assets:

python -m http.server 8000 -d crates/thrust-wasm

Runtime guidance

• Prefer Node/server-side for full raw datasets (AIXM, DDR, full NASR).
• In browser docs/notebooks, use scoped subsets and lazy loading.
• For DDR folder payloads, expected keys are: navpoints.nnpt, routes.routes, airports.arp, sectors.are, sectors.sls, free_route.are, free_route.sls, free_route.frp.

Minimal usage

import init, { NasrResolver } from "./pkg/web/thrust_wasm.js";

await init();

const zip = await fetch("/path/to/28DaySubscription_Effective_2026-02-19.zip")
  .then((r) => r.arrayBuffer());

const resolver = new NasrResolver(new Uint8Array(zip));
const airports = await resolver.airports();
console.log(airports.length);

EUROCONTROL DDR from archive bytes:

const ddrZip = await fetch("/path/to/ENV_PostOPS_AIRAC_2111.zip")
  .then((r) => r.arrayBuffer());
const ddr = EurocontrolResolver.fromDdrArchive(new Uint8Array(ddrZip));
console.log(ddr.resolve_airport("EHAM"));