mirror of
https://github.com/denoland/deno
synced 2024-07-17 11:07:41 +00:00
81 lines
2.2 KiB
Rust
81 lines
2.2 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use std::io::Write;
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struct CliLogger(env_logger::Logger);
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impl CliLogger {
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pub fn new(logger: env_logger::Logger) -> Self {
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Self(logger)
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}
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pub fn filter(&self) -> log::LevelFilter {
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self.0.filter()
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}
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}
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impl log::Log for CliLogger {
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fn enabled(&self, metadata: &log::Metadata) -> bool {
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self.0.enabled(metadata)
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}
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fn log(&self, record: &log::Record) {
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if self.enabled(record.metadata()) {
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self.0.log(record);
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}
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}
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fn flush(&self) {
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self.0.flush();
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}
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}
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pub fn init(maybe_level: Option<log::Level>) {
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let log_level = maybe_level.unwrap_or(log::Level::Info);
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let logger = env_logger::Builder::from_env(
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env_logger::Env::default()
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.default_filter_or(log_level.to_level_filter().to_string()),
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)
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// https://github.com/denoland/deno/issues/6641
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.filter_module("rustyline", log::LevelFilter::Off)
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// wgpu crates (gfx_backend), have a lot of useless INFO and WARN logs
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.filter_module("wgpu", log::LevelFilter::Error)
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.filter_module("gfx", log::LevelFilter::Error)
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// used to make available the lsp_debug which is then filtered out at runtime
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// in the cli logger
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.filter_module("deno::lsp::performance", log::LevelFilter::Debug)
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.filter_module("rustls", log::LevelFilter::Off)
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.format(|buf, record| {
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let mut target = record.target().to_string();
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if let Some(line_no) = record.line() {
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target.push(':');
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target.push_str(&line_no.to_string());
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}
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if record.level() <= log::Level::Info
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|| (record.target() == "deno::lsp::performance"
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&& record.level() == log::Level::Debug)
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{
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// Print ERROR, WARN, INFO and lsp_debug logs as they are
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writeln!(buf, "{}", record.args())
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} else {
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// Add prefix to DEBUG or TRACE logs
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writeln!(
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buf,
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"{} RS - {} - {}",
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record.level(),
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target,
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record.args()
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)
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}
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})
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.build();
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let cli_logger = CliLogger::new(logger);
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let max_level = cli_logger.filter();
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let r = log::set_boxed_logger(Box::new(cli_logger));
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if r.is_ok() {
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log::set_max_level(max_level);
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}
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r.expect("Could not install logger.");
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}
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