wasm first steps

gpx-rs/src/controller.rs

@@ -0,0 +1,27 @@
+use std::rc::Rc;
+
+use wasm_bindgen::prelude::*;
+
+use crate::{stack::Stack, types::GPXFile};
+
+#[wasm_bindgen]
+pub struct Controller {
+    stack: Stack,
+}
+
+#[wasm_bindgen]
+impl Controller {
+    #[wasm_bindgen(constructor)]
+    pub fn new() -> Self {
+        Self {
+            stack: Stack::default(),
+        }
+    }
+
+    #[wasm_bindgen]
+    pub fn create_file(&mut self, name: &str) {
+        let id = self.stack.get_new_file_id();
+        let file = Rc::new(GPXFile::new(id, name));
+        self.stack.update(&[file]);
+    }
+}