Add a simple wasm driver

8b68ba49 · nagayama15 · 025d42c5 · 8b68ba49 · 8b68ba49
Commit 8b68ba49 authored May 27, 2019 by nagayama15
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Showing with 11 additions and 2 deletions

index.ts server/src/index.ts +1 -1

index.html server/static/index.html +10 -1

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--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -12,7 +12,7 @@ const server = app.listen(port, () => {
 app.get("/wasm/add.wasm", (req: express.Request, res: express.Response) => {
    const binary = fs.readFileSync(`${__dirname}/../wasm/add.wasm`);

-    res.writeHead(200, { contentType: "application/wasm" });
+    res.writeHead(200, { "Content-Type": "application/wasm" });
    res.end(binary);
 });


--- a/server/static/index.html
+++ b/server/static/index.html
@@ -8,7 +8,16 @@
    <body>
        <h1>Watermark Server</h1>
        <script>
-            console.log("Hello, world!");
+            (async () => {
+                const wasm = await WebAssembly.instantiateStreaming(
+                    fetch("wasm/add.wasm")
+                );
+
+                const { add2, add3 } = wasm.instance.exports;
+
+                console.log(add2(42, 88));
+                console.log(add3(42, 88, 64));
+            })();
        </script>
    </body>
 </html>