fix(bindgen): don't rename to index

Author: ashleygwilliams

src/bindgen.rs

@@ -1,7 +1,6 @@
 use console::style;
 use emoji;
 use failure::Error;
-use std::fs;
 use std::process::Command;
 use PBAR;
 
@@ -51,9 +50,6 @@ pub fn wasm_bindgen_build(path: &str, name: &str) -> Result<(), Error> {
         PBAR.error("wasm-bindgen failed to execute properly");
         bail!(format!("Details:\n{}", s));
     } else {
-        let js_file = format!("{}/pkg/{}.js", path, binary_name);
-        let index_file = format!("{}/pkg/index.js", path);
-        fs::rename(&js_file, &index_file)?;
         Ok(())
     }
 }

src/manifest.rs

@@ -55,6 +55,7 @@ impl CargoManifest {
     fn into_npm(mut self, scope: Option<String>) -> NpmPackage {
         let filename = self.package.name.replace("-", "_");
         let wasm_file = format!("{}_bg.wasm", filename);
+        let js_file = format!("{}.js", filename);
         if let Some(s) = scope {
             self.package.name = format!("@{}/{}", s, self.package.name);
         }
@@ -69,7 +70,7 @@ impl CargoManifest {
                 url: repo_url,
             }),
             files: vec![wasm_file],
-            main: "index.js".to_string(),
+            main: js_file,
         }
     }
 }

tests/manifest/main.rs

@@ -41,7 +41,7 @@ fn it_creates_a_package_json_default_path() {
         "https://github.com/ashleygwilliams/wasm-pack.git"
     );
     assert_eq!(pkg.files, ["wasm_pack_bg.wasm"]);
-    assert_eq!(pkg.main, "index.js");
+    assert_eq!(pkg.main, "wasm_pack.js");
 }
 
 #[test]