feat: works better

__wasm/deno_rust_wasm_qr_decode/main.js

@@ -1,7 +1,25 @@
 import { instantiate } from "./lib/rs_lib.generated.js";
-
 const { decode_qr } = await instantiate();
 
-const bytes = await Deno.readFile("test_qr_3.png");
+async function main() {
+    if (Deno.args.length == 0) {
+        console.error('No arguments assigned!');
+        return;
+    }
+    
+    console.log('Input files: ', Deno.args);
+    for (let i = 0; i < Deno.args.length; i++) {
+        let arg = Deno.args[i];
+        console.log("----- Processing file: ", arg, '-----');
+        try {
+            let bytes = await Deno.readFile(arg);
+            let qr_json = decode_qr(bytes);
+            const parsed_qr = await JSON.parse(qr_json);
+            console.log(JSON.stringify(parsed_qr, null, 4));
+        } catch (e) {
+            console.error('Process file: ', arg, ' failed: ', e + '');
+        }
+    }
+}
 
-console.log(decode_qr(bytes));
+await main();