feat: get wasm working from libparakeet

src/App.tsx

@@ -3,6 +3,7 @@ import { SelectFile } from './SelectFile';
 
 import { FileListing } from './features/file-listing/FileListing';
 import { Footer } from './Footer';
+import { WasmTest } from './WasmTest';
 
 function App() {
   return (
@@ -14,6 +15,7 @@ function App() {
         <Box mt="8">
           <FileListing />
         </Box>
+        {localStorage.__dev_test === '1' && <WasmTest />}
         <Footer />
       </Container>
     </Box>

src/WasmTest.tsx

@@ -0,0 +1,31 @@
+import { LibParakeetInit, BlobSink, createArrayBufferReader } from '@jixun/libparakeet';
+
+function testWasm() {
+  LibParakeetInit().then(async (mod) => {
+    const data = new Uint8Array(0x2000);
+    for (let i = 0; i < data.byteLength; i++) {
+      data[i] = i & 0xff;
+    }
+    const src = createArrayBufferReader(data, mod);
+    const sink = new BlobSink(mod);
+    mod.rw_test(sink.getWriter(), src);
+    const collected = sink.collectBlob();
+    const copied = await collected.arrayBuffer();
+    const copiedView = new Uint8Array(copied);
+    for (let i = 0; i < copied.byteLength; i++) {
+      if (copiedView[i] !== (i & 0xff)) {
+        alert(`validate at pos ${i} failed`);
+        return;
+      }
+    }
+    alert('wasm validate ok!');
+  });
+}
+
+export function WasmTest() {
+  return (
+    <button onClick={testWasm} type="button">
+      Test WASM
+    </button>
+  );
+}