feat(pkg): impl get_crate_name for bindgen step

src/bindgen.rs

@@ -22,9 +22,11 @@ pub fn cargo_install_wasm_bindgen() {
     }
 }
 
-pub fn wasm_bindgen_build(path: &str) {
+pub fn wasm_bindgen_build(path: &str, name: &str) {
+    let path_to_wasm = format!("target/wasm32-unknown-unknown/release/{}.wasm", name);
     let output = Command::new("wasm-bindgen")
         .current_dir(path)
+        .arg(&path_to_wasm)
         .arg("--out-dir")
         .arg("./pkg")
         .output()

src/lib.rs

@@ -78,3 +78,7 @@ pub fn write_package_json(path: &str) -> Result<(), Error> {
     pkg_file.write_all(npm_json.as_bytes())?;
     Ok(())
 }
+
+pub fn get_crate_name(path: &str) -> Result<String, Error> {
+  Ok(read_cargo_toml(path)?.package.name)
+}

src/main.rs

@@ -38,10 +38,13 @@ main!(|args: Cli, log_level: verbosity| match args.cmd {
         };
         build::rustup_add_wasm_target();
         build::cargo_build_wasm(&crate_path);
+        println!("🏎️ 💨  compiled to wasm!");
         wasm_pack::write_package_json(&crate_path)?;
         println!("✍️  wrote a package.json!");
         bindgen::cargo_install_wasm_bindgen();
-        bindgen::wasm_bindgen_build(&crate_path);
+        let name = wasm_pack::get_crate_name(&crate_path)?;
+        bindgen::wasm_bindgen_build(&crate_path, &name);
+        println!("🏄‍♀️  ready to go!");
     }
     Command::Pack { .. } => {
         println!("🎒  packed up your package!");