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feat: add NO_COLOR environment variable support (#122)

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Add a centralized color module (cli/src/color.rs) that respects the
NO_COLOR environment variable per https://no-color.org/

Changes:
- Add color.rs module with helper functions for colored output
- Refactor all hardcoded ANSI escape codes to use the color module
- Add tests for color formatting functions
- Update AGENTS.md with color module usage guidelines

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Ryan Daigle
2026-01-17 20:37:00 -06:00
committed by GitHub
co-authored by Claude Opus 4.5
parent 28740acecf
commit c88734da89
5 changed files with 203 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cli/src/main.rs
+12 -11
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@@ -1,3 +1,4 @@
mod color;
mod commands;
mod connection;
mod flags;
@@ -107,7 +108,7 @@ fn run_session(args: &[String], session: &str, json_mode: bool) {
} else {
println!("Active sessions:");
for s in &sessions {
let marker = if s == session { "→" } else { " " };
let marker = if s == session { color::cyan("→") } else { " ".to_string() };
println!("{} {}", marker, s);
}
}
@@ -179,7 +180,7 @@ fn main() {
error_type
);
} else {
eprintln!("\x1b[31m{}\x1b[0m", e.format());
eprintln!("{}", color::red(&e.format()));
}
exit(1);
}
@@ -191,7 +192,7 @@ fn main() {
if flags.json {
println!(r#"{{"success":false,"error":"{}"}}"#, e);
} else {
eprintln!("\x1b[31m✗\x1b[0m {}", e);
eprintln!("{} {}", color::error_indicator(), e);
}
exit(1);
}
@@ -201,10 +202,10 @@ fn main() {
if daemon_result.already_running && (flags.executable_path.is_some() || !flags.extensions.is_empty()) {
if !flags.json {
if flags.executable_path.is_some() {
eprintln!("\x1b[33m⚠\x1b[0m --executable-path ignored: daemon already running. Use 'agent-browser close' first to restart with new path.");
eprintln!("{} --executable-path ignored: daemon already running. Use 'agent-browser close' first to restart with new path.", color::warning_indicator());
}
if !flags.extensions.is_empty() {
eprintln!("\x1b[33m⚠\x1b[0m --extension ignored: daemon already running. Use 'agent-browser close' first to restart with extensions.");
eprintln!("{} --extension ignored: daemon already running. Use 'agent-browser close' first to restart with extensions.", color::warning_indicator());
}
}
}
@@ -217,7 +218,7 @@ fn main() {
if flags.json {
println!(r#"{{"success":false,"error":"{}"}}"#, msg);
} else {
eprintln!("\x1b[31m✗\x1b[0m {}", msg);
eprintln!("{} {}", color::error_indicator(), msg);
}
exit(1);
}
@@ -226,7 +227,7 @@ fn main() {
if flags.json {
println!(r#"{{"success":false,"error":"{}"}}"#, msg);
} else {
eprintln!("\x1b[31m✗\x1b[0m {}", msg);
eprintln!("{} {}", color::error_indicator(), msg);
}
exit(1);
}
@@ -236,7 +237,7 @@ fn main() {
if flags.json {
println!(r#"{{"success":false,"error":"{}"}}"#, msg);
} else {
eprintln!("\x1b[31m✗\x1b[0m {}", msg);
eprintln!("{} {}", color::error_indicator(), msg);
}
exit(1);
}
@@ -258,7 +259,7 @@ fn main() {
if flags.json {
println!(r#"{{"success":false,"error":"{}"}}"#, msg);
} else {
eprintln!("\x1b[31m✗\x1b[0m {}", msg);
eprintln!("{} {}", color::error_indicator(), msg);
}
exit(1);
}
@@ -281,7 +282,7 @@ fn main() {
if let Err(e) = send_command(launch_cmd, &flags.session) {
if !flags.json {
eprintln!("\x1b[33m⚠\x1b[0m Could not configure browser: {}", e);
eprintln!("{} Could not configure browser: {}", color::warning_indicator(), e);
}
}
}
@@ -298,7 +299,7 @@ fn main() {
if flags.json {
println!(r#"{{"success":false,"error":"{}"}}"#, e);
} else {
eprintln!("\x1b[31m✗\x1b[0m {}", e);
eprintln!("{} {}", color::error_indicator(), e);
}
exit(1);
}