const wasmCode = await Deno.readFile("./decodeqr/target/wasm32-unknown-unknown/release/decodeqr.wasm");
const wasmModule = new WebAssembly.Module(wasmCode);
const wasmInstance = new WebAssembly.Instance(wasmModule);

const linearMemory = wasmInstance.exports.memory;

function readString(memory, ptr) {
    const mem = new Uint8Array(memory.buffer, ptr);
    let length;
    for (length = 0; mem[length] !== 0; length ++);
    return new TextDecoder("utf-8").decode(new Uint8Array(mem.buffer, ptr, length));
}

console.log(readString(linearMemory, wasmInstance.exports.parse_default_qr()));