nodejs_resolver/
log.rs

1use crate::context::Depth;
2use tracing_subscriber::prelude::*;
3
4pub fn enable_by_env() {
5    let is_enabled = std::env::var("RESOLVER_TRACE").map_or(false, |var| {
6        matches!(var.as_str(), "TRACE" | "DEBUG" | "INFO" | "WARN" | "ERROR")
7    });
8    if !is_enabled {
9        return;
10    }
11    let formatter = Formatter::default();
12    tracing_subscriber::Registry::default()
13        .with(formatter)
14        .with(tracing_subscriber::EnvFilter::from_env("RESOLVER_TRACE"))
15        .init();
16}
17
18#[derive(Default)]
19struct Formatter {}
20
21impl<S> tracing_subscriber::Layer<S> for Formatter
22where
23    S: tracing::Subscriber + std::fmt::Debug,
24{
25    fn on_event(&self, event: &tracing::Event<'_>, _: tracing_subscriber::layer::Context<'_, S>) {
26        event.record(&mut Data);
27    }
28}
29
30struct Data;
31
32impl tracing::field::Visit for Data {
33    fn record_debug(&mut self, _field: &tracing::field::Field, value: &dyn std::fmt::Debug) {
34        eprintln!("{value:?}");
35    }
36}
37
38/// TODO: use marco
39pub mod color {
40    const BOLD: &str = "\u{001b}[1m";
41    const RED: &str = "\u{001b}[31m";
42    const GREEN: &str = "\u{001b}[32m";
43    const BLUE: &str = "\u{001b}[34m";
44    const CYAN: &str = "\u{001b}[36m";
45    const RESET: &str = "\u{001b}[0m";
46
47    pub fn bold<T: core::fmt::Display>(s: &T) -> String {
48        format!("{BOLD}{s}{RESET}")
49    }
50
51    pub fn red<T: core::fmt::Display>(s: &T) -> String {
52        format!("{RED}{s}{RESET}")
53    }
54
55    pub fn green<T: core::fmt::Display>(s: &T) -> String {
56        format!("{GREEN}{s}{RESET}")
57    }
58
59    pub fn blue<T: core::fmt::Display>(s: &T) -> String {
60        format!("{BLUE}{s}{RESET}")
61    }
62
63    pub fn cyan<T: core::fmt::Display>(s: &T) -> String {
64        format!("{CYAN}{s}{RESET}")
65    }
66}
67
68pub fn depth(depth: &Depth) -> String {
69    format!("Depth: {}", color::bold(&depth.value()))
70}
nodejs_resolver/log.rs

nodejs_resolver/
log.rs
