feat: Color debug output

src/macros.rs

@@ -805,8 +805,13 @@ macro_rules! wlnerr {
 #[cfg(feature = "debug")]
 macro_rules! debug {
     ($($arg:tt)*) => ({
-        print!("[{:>w$}] \t", module_path!(), w = 28);
-        println!($($arg)*);
+        let prefix = format!("[{:>w$}] \t", module_path!(), w = 28);
+        let body = format!($($arg)*);
+        let mut color = $crate::output::fmt::Colorizer::new(true, $crate::ColorChoice::Auto);
+        color.hint(prefix);
+        color.hint(body);
+        color.none("\n");
+        let _ = color.print();
     })
 }
 

src/output/fmt.rs

@@ -37,6 +37,12 @@ impl Colorizer {
         self.pieces.push((msg.into(), Style::Error));
     }
 
+    #[inline]
+    #[allow(dead_code)]
+    pub(crate) fn hint(&mut self, msg: impl Into<String>) {
+        self.pieces.push((msg.into(), Style::Hint));
+    }
+
     #[inline]
     pub(crate) fn none(&mut self, msg: impl Into<String>) {
         self.pieces.push((msg.into(), Style::Default));
@@ -76,6 +82,9 @@ impl Colorizer {
                     color.set_fg(Some(termcolor::Color::Red));
                     color.set_bold(true);
                 }
+                Style::Hint => {
+                    color.set_dimmed(true);
+                }
                 Style::Default => {}
             }
 
@@ -119,6 +128,7 @@ pub enum Style {
     Good,
     Warning,
     Error,
+    Hint,
     Default,
 }
 
@@ -130,8 +140,6 @@ impl Default for Style {
 
 #[cfg(feature = "color")]
 fn is_a_tty(stderr: bool) -> bool {
-    debug!("is_a_tty: stderr={:?}", stderr);
-
     let stream = if stderr {
         atty::Stream::Stderr
     } else {