feat: Add initial draft for rust wasm

It adds the initial tooling for build and publishing a static site with
wasm.

The generate code is barebones, that is just a PoC for tooling, later
I'll add proper code logic and test for it.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..662dda6
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,21 @@
+mod utils;
+
+use wasm_bindgen::prelude::*;
+use rand::Rng;
+
+// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
+// allocator.
+#[cfg(feature = "wee_alloc")]
+#[global_allocator]
+static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
+
+#[wasm_bindgen]
+extern {
+    fn alert(s: &str);
+}
+
+#[wasm_bindgen]
+pub fn generate() -> String {
+    let num = rand::thread_rng().gen_range(0..100);
+    format!("{}", num)
+}