feat(log): improve logging + messages

src/bindgen.rs

@@ -11,19 +11,20 @@ pub fn cargo_install_wasm_bindgen() {
     if output.status.success() {
         let s = String::from_utf8_lossy(&output.stdout);
 
-        print!(
+        println!(
-            "cargo_install_wasm_bindgen succeeded and stdout was:\n{}",
+            "✅  cargo_install_wasm_bindgen succeeded and stdout was:\n{}",
             s
         );
     } else {
         let s = String::from_utf8_lossy(&output.stderr);
 
-        print!("cargo_install_wasm_bindgen failed and stderr was:\n{}", s);
+        print!("⛔  cargo_install_wasm_bindgen failed and stderr was:\n{}", s);
     }
 }
 
 pub fn wasm_bindgen_build(path: &str, name: &str) {
-    let path_to_wasm = format!("target/wasm32-unknown-unknown/release/{}.wasm", name);
+    let binary_name = name.replace("-", "_");
+    let path_to_wasm = format!("target/wasm32-unknown-unknown/release/{}.wasm", binary_name);
     let output = Command::new("wasm-bindgen")
         .current_dir(path)
         .arg(&path_to_wasm)
@@ -35,10 +36,11 @@ pub fn wasm_bindgen_build(path: &str, name: &str) {
     if output.status.success() {
         let s = String::from_utf8_lossy(&output.stdout);
 
-        print!("cargo_build_wasm succeeded and stdout was:\n{}", s);
+        println!("✅  wasm_bindgen_build succeeded and stdout was:\n{}", s);
+        println!("🏄<200d>♀️  ready to go!");
     } else {
         let s = String::from_utf8_lossy(&output.stderr);
 
-        print!("cargo_build_wasm failed and stderr was:\n{}", s);
+        print!("⛔  wasm_bindgen_build failed and stderr was:\n{}", s);
     }
 }

src/build.rs

@@ -11,11 +11,11 @@ pub fn rustup_add_wasm_target() {
     if output.status.success() {
         let s = String::from_utf8_lossy(&output.stdout);
 
-        print!("rustup_add_wasm_target succeeded and stdout was:\n{}", s);
+        println!("✅ rustup_add_wasm_target succeeded and stdout was:\n{}", s);
     } else {
         let s = String::from_utf8_lossy(&output.stderr);
 
-        print!("rustup_add_wasm_target failed and stderr was:\n{}", s);
+        print!("⛔  rustup_add_wasm_target failed and stderr was:\n{}", s);
     }
 }
 
@@ -32,10 +32,11 @@ pub fn cargo_build_wasm(path: &str) {
     if output.status.success() {
         let s = String::from_utf8_lossy(&output.stdout);
 
-        print!("cargo_build_wasm succeeded and stdout was:\n{}", s);
+        println!("✅  cargo_build_wasm succeeded and stdout was:\n{}", s);
+        println!("🏎️ 💨  compiled to wasm!");
     } else {
         let s = String::from_utf8_lossy(&output.stderr);
 
-        print!("cargo_build_wasm failed and stderr was:\n{}", s);
+        print!("⛔  cargo_build_wasm failed and stderr was:\n{}", s);
     }
 }

src/main.rs

@@ -38,13 +38,10 @@ 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();
         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!");