31 lines
919 B
Rust
31 lines
919 B
Rust
use anyhow::Result;
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use fern::colors::{Color, ColoredLevelConfig};
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pub fn setup_logger() -> Result<()> {
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let colors = ColoredLevelConfig::new()
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.info(Color::Green)
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.error(Color::Red)
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.warn(Color::Yellow)
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.debug(Color::Blue);
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fern::Dispatch::new()
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// Perform allocation-free log formatting
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.format(move |out, message, record| {
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out.finish(format_args!(
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"[{} {} {}] {}",
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humantime::format_rfc3339_millis(std::time::SystemTime::now()),
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colors.color(record.level()),
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record.target(),
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message
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))
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})
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// Add blanket level filter -
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.level(log::LevelFilter::Debug)
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// - and per-module overrides
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.chain(std::io::stdout())
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.chain(fern::log_file("output.log")?)
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// Apply globally
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.apply()?;
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Ok(())
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}
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