chore(minifier): add --whitespace option to example

crates/oxc_minifier/examples/minifier.rs

@@ -19,34 +19,38 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 // Instruction:
 // create a `test.js`,
 // run `cargo run -p oxc_minifier --example minifier`
-// or `cargo watch -x "run -p oxc_minifier --example minifier"`
+// or `just watch "run -p oxc_minifier --example minifier"`
 
 fn main() {
     let mut args = Arguments::from_env();
 
     let name = args.subcommand().ok().flatten().unwrap_or_else(|| String::from("test.js"));
     let mangle = args.contains("--mangle");
+    let whitespace = args.contains("--whitespace");
     let twice = args.contains("--twice");
 
     let path = Path::new(&name);
     let source_text = std::fs::read_to_string(path).unwrap_or_else(|_| panic!("{name} not found"));
     let source_type = SourceType::from_path(path).unwrap();
 
-    let options = MinifierOptions { mangle, ..MinifierOptions::default() };
-    let printed = minify(&source_text, source_type, options);
+    let printed = minify(&source_text, source_type, mangle, whitespace);
     println!("{printed}");
 
     if twice {
-        let options = MinifierOptions { mangle, ..MinifierOptions::default() };
-        let printed = minify(&printed, source_type, options);
+        let printed = minify(&printed, source_type, mangle, whitespace);
         println!("{printed}");
     }
 }
 
-fn minify(source_text: &str, source_type: SourceType, options: MinifierOptions) -> String {
+fn minify(source_text: &str, source_type: SourceType, mangle: bool, whitespace: bool) -> String {
     let allocator = Allocator::default();
     let program = Parser::new(&allocator, source_text, source_type).parse().program;
     let program = allocator.alloc(program);
+    let options = MinifierOptions { mangle, ..MinifierOptions::default() };
     Minifier::new(options).build(&allocator, program);
-    Codegen::<true>::new(source_text.len(), CodegenOptions).build(program)
+    if whitespace {
+        Codegen::<true>::new(source_text.len(), CodegenOptions).build(program)
+    } else {
+        Codegen::<false>::new(source_text.len(), CodegenOptions).build(program)
+    }
 }