fix(diagnostics): check for terminal when displaying links (#6018)

fixes #5819

crates/oxc_diagnostics/src/graphic_reporter.rs

@@ -6,6 +6,7 @@
 
 /// origin file: https://github.com/zkat/miette/blob/75fea0935e495d0215518c80d32dd820910982e3/src/handlers/graphical.rs#L1
 use std::fmt::{self, Write};
+use std::io::IsTerminal;
 
 use miette::{
     Diagnostic, LabeledSpan, ReportHandler, Severity, SourceCode, SourceSpan, SpanContents,
@@ -66,10 +67,11 @@ impl GraphicalReportHandler {
     /// Create a new `GraphicalReportHandler` with the default
     /// [`GraphicalTheme`]. This will use both unicode characters and colors.
     pub fn new() -> Self {
+        let is_terminal = std::io::stdout().is_terminal() && std::io::stderr().is_terminal();
         Self {
-            links: LinkStyle::Link,
+            links: if is_terminal { LinkStyle::Link } else { LinkStyle::Text },
             termwidth: 400,
-            theme: GraphicalTheme::default(),
+            theme: GraphicalTheme::new(is_terminal),
             footer: None,
             context_lines: 1,
             tab_width: 4,

crates/oxc_diagnostics/src/graphical_theme.rs

@@ -4,8 +4,6 @@
 #![allow(dead_code)]
 
 /// origin file: https://github.com/zkat/miette/blob/75fea0935e495d0215518c80d32dd820910982e3/src/handlers/theme.rs
-use std::io::IsTerminal;
-
 use miette::ThemeCharacters;
 use owo_colors::Style;
 
@@ -32,6 +30,14 @@ pub struct GraphicalTheme {
 }
 
 impl GraphicalTheme {
+    pub fn new(is_terminal: bool) -> Self {
+        match std::env::var("NO_COLOR") {
+            _ if !is_terminal => Self::none(),
+            Ok(string) if string != "0" => Self::unicode_nocolor(),
+            _ => Self::unicode(),
+        }
+    }
+
     /// ASCII-art-based graphical drawing, with ANSI styling.
     pub fn ascii() -> Self {
         Self { characters: ThemeCharacters::ascii(), styles: ThemeStyles::ansi() }
@@ -63,18 +69,6 @@ impl GraphicalTheme {
     }
 }
 
-impl Default for GraphicalTheme {
-    fn default() -> Self {
-        match std::env::var("NO_COLOR") {
-            _ if !std::io::stdout().is_terminal() || !std::io::stderr().is_terminal() => {
-                Self::none()
-            }
-            Ok(string) if string != "0" => Self::unicode_nocolor(),
-            _ => Self::unicode(),
-        }
-    }
-}
-
 /**
 Styles for various parts of graphical rendering for the
 [`GraphicalReportHandler`](crate::GraphicalReportHandler).