clean up

fix/src/logging.rs

@@ -0,0 +1,48 @@
+use std::env;
+use std::io::IsTerminal;
+
+use tracing_subscriber::{EnvFilter, Layer, fmt, layer::SubscriberExt, util::SubscriberInitExt};
+
+pub fn init_logging() {
+    let is_terminal = std::io::stderr().is_terminal();
+    let show_time = env::var("NIX_JS_LOG_TIME")
+        .map(|v| v == "1" || v.to_lowercase() == "true")
+        .unwrap_or(false);
+
+    let filter = EnvFilter::from_default_env();
+    let fmt_layer = fmt::layer()
+        .with_target(true)
+        .with_thread_ids(false)
+        .with_thread_names(false)
+        .with_file(false)
+        .with_line_number(false)
+        .with_ansi(is_terminal)
+        .with_level(true);
+
+    let fmt_layer = if show_time {
+        fmt_layer.with_timer(fmt::time::uptime()).boxed()
+    } else {
+        fmt_layer.without_time().boxed()
+    };
+
+    tracing_subscriber::registry()
+        .with(filter)
+        .with(fmt_layer)
+        .init();
+
+    init_miette_handler();
+}
+
+fn init_miette_handler() {
+    let is_terminal = std::io::stderr().is_terminal();
+    miette::set_hook(Box::new(move |_| {
+        Box::new(
+            miette::MietteHandlerOpts::new()
+                .terminal_links(is_terminal)
+                .unicode(is_terminal)
+                .color(is_terminal)
+                .build(),
+        )
+    }))
+    .ok();
+}