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#![allow(dead_code)]
use crate::config::ColorMode;
use std::io::IsTerminal;
/// Check if stdout is connected to a TTY
pub fn is_stdout_tty() -> bool {
std::io::stdout().is_terminal()
}
/// Check if stdin is connected to a TTY
pub fn is_stdin_tty() -> bool {
std::io::stdin().is_terminal()
}
/// Determine if colors should be used based on CLI color mode and environment
pub fn should_use_colors_with_mode(color_mode: &ColorMode) -> bool {
match color_mode {
ColorMode::Never => false,
ColorMode::Always => {
// --force-color should override NO_COLOR environment variable
true
}
ColorMode::Auto => should_use_colors_auto(),
}
}
/// Auto color detection logic
fn should_use_colors_auto() -> bool {
// Don't use colors if not on TTY
if !is_stdout_tty() {
return false;
}
// Respect NO_COLOR environment variable (https://no-color.org/)
if std::env::var("NO_COLOR").is_ok() {
return false;
}
// Check FORCE_COLOR for CI environments that support colors
if std::env::var("FORCE_COLOR").is_ok() {
return true;
}
// Default: use colors for TTY
true
}