Add lib target for wasm

.gitignore

@@ -1,3 +1,4 @@
 /extern
 /target
 .vscode
+/pkg

Cargo.toml

@@ -4,6 +4,14 @@ version = "0.1.0"
 edition = "2021"
 build = "build.rs"
 
+[lib]
+name = "libkroz"
+crate-type = ["cdylib", "rlib"]
+
+[[bin]]
+name = "kroz"
+path = "src/main.rs"
+
 [dependencies]
 # bracket-lib = { path = "extern/bracket-lib" }
 bracket-lib = { git = "https://github.com/amethyst/bracket-lib" }

src/lib.rs

@@ -0,0 +1,32 @@
+use std::panic;
+
+use bracket_lib::prelude::*;
+use state::State;
+use wasm_bindgen::prelude::*;
+
+pub mod components;
+pub mod constants;
+mod graphics;
+pub mod input;
+pub mod levels;
+pub mod resources;
+mod state;
+pub mod systems;
+pub mod tile_data;
+
+#[wasm_bindgen(start)]
+pub fn main_js() -> Result<(), JsValue> {
+    panic::set_hook(Box::new(console_error_panic_hook::hook));
+    let _ = main_common(false);
+    Ok(())
+}
+
+pub fn main_common(initialize_sound: bool) -> BError {
+    let context = BTermBuilder::vga(80, 25)
+        .with_fps_cap(60.0)
+        .with_title("Kroz")
+        .build()
+        .unwrap();
+
+    main_loop(context, State::new(initialize_sound))
+}

src/main.rs

@@ -10,29 +10,8 @@ mod state;
 pub mod systems;
 pub mod tile_data;
 
-use std::panic;
-
 use bracket_lib::prelude::*;
-use state::State;
-use wasm_bindgen::{prelude::wasm_bindgen, JsValue};
-
-#[wasm_bindgen(start)]
-pub fn main_js() -> Result<(), JsValue> {
-    panic::set_hook(Box::new(console_error_panic_hook::hook));
-    let _ = main_common(false);
-    Ok(())
-}
 
 fn main() -> BError {
-    main_common(true)
+    libkroz::main_common(true)
-}
-
-fn main_common(initialize_sound: bool) -> BError {
-    let context = BTermBuilder::vga(80, 25)
-        .with_fps_cap(60.0)
-        .with_title("Kroz")
-        .build()
-        .unwrap();
-
-    main_loop(context, State::new(initialize_sound))
 }