stylex_logs/
formatter.rs

1use std::sync::atomic::{AtomicUsize, Ordering};
2
3use colored::{Color, Colorize};
4use env_logger::fmt::Formatter;
5
6use crate::constants::STYLEX_PREFIX;
7
8// Shared ANSI escape sequences – single source of truth for the whole log module.
9pub const ANSI_RED: &str = "\x1B[31m";
10pub const ANSI_YELLOW: &str = "\x1B[33m";
11pub const ANSI_GREEN: &str = "\x1B[32m";
12pub const ANSI_BLUE: &str = "\x1B[34m";
13pub const ANSI_WHITE: &str = "\x1B[37m";
14pub const ANSI_CYAN: &str = "\x1B[36m";
15pub const ANSI_BOLD: &str = "\x1B[1m";
16pub const ANSI_DIM: &str = "\x1B[2m";
17pub const ANSI_RESET: &str = "\x1B[0m";
18
19pub const ANSI_ORANGE: &str = "\x1B[38;5;208m";
20
21static MAX_MODULE_WIDTH: AtomicUsize = AtomicUsize::new(0);
22
23fn max_target_width(target: &str) -> usize {
24  let max_width = MAX_MODULE_WIDTH.load(Ordering::Relaxed);
25
26  if max_width < target.len() {
27    MAX_MODULE_WIDTH.store(target.len(), Ordering::Relaxed);
28    target.len()
29  } else {
30    max_width
31  }
32}
33
34pub fn log_formatter(f: &mut Formatter, record: &log::Record) -> std::io::Result<()> {
35  use std::io::Write;
36
37  let target = record.target();
38  let max_width = max_target_width(target);
39
40  let level_color = match record.level() {
41    log::Level::Error => Color::Red,
42    log::Level::Warn => Color::Yellow,
43    log::Level::Info => Color::Green,
44    log::Level::Debug => Color::Blue,
45    log::Level::Trace => Color::White,
46  };
47
48  writeln!(
49    f,
50    "{} {} {:width$} > {}",
51    record.level().to_string().color(level_color).bold(),
52    STYLEX_PREFIX.bright_blue().bold(),
53    target.bold(),
54    record.args(),
55    width = max_width
56  )
57}
stylex_logs/formatter.rs

stylex_logs/
formatter.rs
