feat(users/kranzes): add wasm-hello-world

This can be used as a reference for how to build a wasm project with crate2nix. Change-Id: Ib4d0db6bf24d8f1dec4734d5f1e8de19212a54cd Reviewed-on: https://cl.tvl.fyi/c/depot/+/11859 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2024-06-18 21:03:21 +03:00 · 2024-06-18 21:03:21 +03:00 · 7f8da5e6a9
commit 7f8da5e6a9
parent 4b2f3c5454
7 changed files with 1262 additions and 0 deletions
--- a/users/kranzes/wasm-hello-world/src/index.html
+++ b/users/kranzes/wasm-hello-world/src/index.html
@ -0,0 +1,19 @@
+<html>
+  <head>
+    <meta content="text/html;charset=utf-8" http-equiv="Content-Type"/>
+  </head>
+  <body>
+    <script type="module">
+      import init, { hello_world } from './wasm_hello_world.js';
+
+      async function run() {
+        await init();
+
+	hello_world();
+      }
+
+      run();
+    </script>
+  </body>
+</html>
+
--- a/users/kranzes/wasm-hello-world/src/lib.rs
+++ b/users/kranzes/wasm-hello-world/src/lib.rs
@ -0,0 +1,11 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    fn alert(s: &str);
+}
+
+#[wasm_bindgen]
+pub fn hello_world() {
+    alert("Hello World!");
+}