chore(shared): CLI Styles (#397)

* chore(shared): cli-utils styles

* chore: use blue for placeholder style

Addresses review feedback to include blue in CLI styling.

* fix(shared): runtime

Author: refcell

crates/shared/cli-utils/src/lib.rs

@@ -19,4 +19,7 @@ mod version;
 pub use version::Version;
 
 mod runtime;
-pub use runtime::{build_runtime, run_until_ctrl_c, run_until_ctrl_c_fallible};
+pub use runtime::RuntimeManager;
+
+mod styles;
+pub use styles::CliStyles;

crates/shared/cli-utils/src/runtime.rs

@@ -2,42 +2,48 @@
 
 use std::future::Future;
 
-/// Builds a multi-threaded Tokio runtime with all features enabled.
-pub fn build_runtime() -> eyre::Result<tokio::runtime::Runtime> {
-    tokio::runtime::Builder::new_multi_thread()
-        .enable_all()
-        .build()
-        .map_err(|e| eyre::eyre!("Failed to build tokio runtime: {}", e))
-}
+/// A runtime manager.
+#[derive(Debug, Clone, Copy)]
+pub struct RuntimeManager;
+
+impl RuntimeManager {
+    /// Builds a multi-threaded Tokio runtime with all features enabled.
+    pub fn build_runtime() -> eyre::Result<tokio::runtime::Runtime> {
+        tokio::runtime::Builder::new_multi_thread()
+            .enable_all()
+            .build()
+            .map_err(|e| eyre::eyre!("Failed to build tokio runtime: {}", e))
+    }
 
-/// Runs a future to completion, returning early on Ctrl+C.
-pub async fn run_until_ctrl_c<F>(fut: F) -> eyre::Result<()>
-where
-    F: Future<Output = ()>,
-{
-    let ctrl_c = async {
-        tokio::signal::ctrl_c().await.expect("Failed to install Ctrl+C handler");
-    };
+    /// Runs a future to completion, returning early on Ctrl+C.
+    pub async fn run_until_ctrl_c<F>(fut: F) -> eyre::Result<()>
+    where
+        F: Future<Output = ()>,
+    {
+        let ctrl_c = async {
+            tokio::signal::ctrl_c().await.expect("Failed to install Ctrl+C handler");
+        };
 
-    tokio::select! {
-        biased;
-        () = ctrl_c => Ok(()),
-        () = fut => Ok(()),
+        tokio::select! {
+            biased;
+            () = ctrl_c => Ok(()),
+            () = fut => Ok(()),
+        }
     }
-}
 
-/// Runs a fallible future to completion, returning early on Ctrl+C.
-pub async fn run_until_ctrl_c_fallible<F>(fut: F) -> eyre::Result<()>
-where
-    F: Future<Output = eyre::Result<()>>,
-{
-    let ctrl_c = async {
-        tokio::signal::ctrl_c().await.expect("Failed to install Ctrl+C handler");
-    };
+    /// Runs a fallible future to completion, returning early on Ctrl+C.
+    pub async fn run_until_ctrl_c_fallible<F>(fut: F) -> eyre::Result<()>
+    where
+        F: Future<Output = eyre::Result<()>>,
+    {
+        let ctrl_c = async {
+            tokio::signal::ctrl_c().await.expect("Failed to install Ctrl+C handler");
+        };
 
-    tokio::select! {
-        biased;
-        () = ctrl_c => Ok(()),
-        result = fut => result,
+        tokio::select! {
+            biased;
+            () = ctrl_c => Ok(()),
+            result = fut => result,
+        }
     }
 }

crates/shared/cli-utils/src/styles.rs

@@ -0,0 +1,24 @@
+//! Cli styles for [clap].
+
+use clap::builder::{
+    Styles,
+    styling::{AnsiColor, Color, Style},
+};
+
+/// A wrapper type for CLI styles.
+#[derive(Debug, Clone, Copy)]
+pub struct CliStyles;
+
+impl CliStyles {
+    /// Initialize the CLI styles, returning a [`Styles`] instance.
+    pub const fn init() -> Styles {
+        clap::builder::Styles::styled()
+            .usage(Style::new().bold().underline().fg_color(Some(Color::Ansi(AnsiColor::Yellow))))
+            .header(Style::new().bold().underline().fg_color(Some(Color::Ansi(AnsiColor::Yellow))))
+            .literal(Style::new().fg_color(Some(Color::Ansi(AnsiColor::Green))))
+            .invalid(Style::new().bold().fg_color(Some(Color::Ansi(AnsiColor::Red))))
+            .error(Style::new().bold().fg_color(Some(Color::Ansi(AnsiColor::Red))))
+            .valid(Style::new().bold().underline().fg_color(Some(Color::Ansi(AnsiColor::Green))))
+            .placeholder(Style::new().fg_color(Some(Color::Ansi(AnsiColor::Blue))))
+    }
+}