initial

src/lib.rs

@@ -0,0 +1,41 @@
+use wasm_bindgen::prelude::*;
+use bitsy_parser::game::Game;
+
+// Called when the wasm module is instantiated
+#[wasm_bindgen(start)]
+pub fn main() -> Result<(), JsValue> {
+    // Use `web_sys`'s global `window` function to get a handle on the global
+    // window object.
+    let window = web_sys::window().expect("no global `window` exists");
+    let document = window.document().expect("should have a document on window");
+    let body = document.body().expect("document should have a body");
+
+    // Manufacture the element we're gonna append
+    let val = document.create_element("p")?;
+    val.set_inner_html("Hello from Rust!");
+
+    body.append_child(&val)?;
+
+    Ok(())
+}
+
+#[wasm_bindgen]
+pub fn merge(a: String, b: String) -> String {
+    let main = Game::from(a);
+    let additional = Game::from(b);
+
+    if main.is_err() {
+        return "Couldn't parse main game.".to_string();
+    }
+
+    if additional.is_err() {
+        return "Couldn't parse additional game.".to_string();
+    }
+
+    let mut main = main.unwrap();
+    let additional = additional.unwrap();
+
+    main.merge(additional);
+    main.dedupe_tiles();
+    main.to_string()
+}