refactor: clean up more diagnostics usages

crates/oxc_diagnostics/src/service.rs

@@ -99,7 +99,7 @@ impl DiagnosticService {
     pub fn wrap_diagnostics(
         path: &Path,
         source_text: &str,
-        diagnostics: Vec<Error>,
+        diagnostics: Vec<OxcDiagnostic>,
     ) -> (PathBuf, Vec<Error>) {
         let source = Arc::new(NamedSource::new(path.to_string_lossy(), source_text.to_owned()));
         let diagnostics = diagnostics

crates/oxc_language_server/src/linter.rs

@@ -296,7 +296,10 @@ impl IsolatedLintHandler {
                 let reports = semantic_ret
                     .errors
                     .into_iter()
-                    .map(|diagnostic| ErrorReport { error: diagnostic, fixed_content: None })
+                    .map(|diagnostic| ErrorReport {
+                        error: Error::from(diagnostic),
+                        fixed_content: None,
+                    })
                     .collect();
                 return Some(Self::wrap_diagnostics(path, &original_source_text, reports, start));
             };
@@ -327,7 +330,7 @@ impl IsolatedLintHandler {
                         },
                     });
 
-                    ErrorReport { error: msg.error, fixed_content }
+                    ErrorReport { error: Error::from(msg.error), fixed_content }
                 })
                 .collect::<Vec<ErrorReport>>();
             let (_, errors_with_position) =

crates/oxc_linter/src/context.rs

@@ -117,12 +117,12 @@ impl<'a> LintContext<'a> {
     }
 
     pub fn diagnostic(&self, diagnostic: OxcDiagnostic) {
-        self.add_diagnostic(Message::new(diagnostic.into(), None));
+        self.add_diagnostic(Message::new(diagnostic, None));
     }
 
     pub fn diagnostic_with_fix<F: FnOnce() -> Fix<'a>>(&self, diagnostic: OxcDiagnostic, fix: F) {
         if self.fix {
-            self.add_diagnostic(Message::new(diagnostic.into(), Some(fix())));
+            self.add_diagnostic(Message::new(diagnostic, Some(fix())));
         } else {
             self.diagnostic(diagnostic);
         }

crates/oxc_linter/src/fixer.rs

@@ -1,6 +1,6 @@
 use std::borrow::Cow;
 
-use oxc_diagnostics::Error;
+use oxc_diagnostics::OxcDiagnostic;
 use oxc_span::Span;
 
 #[derive(Debug, Default)]
@@ -26,7 +26,7 @@ pub struct FixResult<'a> {
 }
 
 pub struct Message<'a> {
-    pub error: Error,
+    pub error: OxcDiagnostic,
     start: u32,
     end: u32,
     pub fix: Option<Fix<'a>>,
@@ -35,14 +35,20 @@ pub struct Message<'a> {
 
 impl<'a> Message<'a> {
     #[allow(clippy::cast_possible_truncation)] // for `as u32`
-    pub fn new(error: Error, fix: Option<Fix<'a>>) -> Self {
-        let labels = error.labels().map_or(vec![], Iterator::collect);
-        let start =
-            labels.iter().min_by_key(|span| span.offset()).map_or(0, |span| span.offset() as u32);
-        let end = labels
-            .iter()
-            .max_by_key(|span| span.offset() + span.len())
-            .map_or(0, |span| (span.offset() + span.len()) as u32);
+    pub fn new(error: OxcDiagnostic, fix: Option<Fix<'a>>) -> Self {
+        let (start, end) = if let Some(labels) = &error.labels {
+            let start = labels
+                .iter()
+                .min_by_key(|span| span.offset())
+                .map_or(0, |span| span.offset() as u32);
+            let end = labels
+                .iter()
+                .max_by_key(|span| span.offset() + span.len())
+                .map_or(0, |span| (span.offset() + span.len()) as u32);
+            (start, end)
+        } else {
+            (0, 0)
+        };
         Self { error, start, end, fix, fixed: false }
     }
 
@@ -114,7 +120,7 @@ impl<'a> Fixer<'a> {
 mod test {
     use std::borrow::Cow;
 
-    use oxc_diagnostics::{Error, OxcDiagnostic};
+    use oxc_diagnostics::OxcDiagnostic;
     use oxc_span::Span;
 
     use super::{Fix, FixResult, Fixer, Message};
@@ -188,7 +194,7 @@ mod test {
     }
 
     fn create_message(error: OxcDiagnostic, fix: Option<Fix>) -> Message {
-        Message::new(Error::from(error), fix)
+        Message::new(error, fix)
     }
 
     #[test]
@@ -382,8 +388,8 @@ mod test {
     fn sort_no_fix_messages_correctly() {
         let result = get_fix_result(vec![
             create_message(replace_id(), Some(REPLACE_ID)),
-            Message::new(no_fix_2(Span::new(1, 7)).into(), None),
-            Message::new(no_fix_1(Span::new(1, 3)).into(), None),
+            Message::new(no_fix_2(Span::new(1, 7)), None),
+            Message::new(no_fix_1(Span::new(1, 3)), None),
         ]);
         assert_eq!(result.fixed_code, TEST_CODE.replace("answer", "foo"));
         assert_eq!(result.messages.len(), 2);

crates/oxc_linter/src/service.rs

@@ -259,11 +259,7 @@ impl Runtime {
             .parse();
 
         if !ret.errors.is_empty() {
-            return ret
-                .errors
-                .into_iter()
-                .map(|err| Message::new(Error::from(err), None))
-                .collect();
+            return ret.errors.into_iter().map(|err| Message::new(err, None)).collect();
         };
 
         let program = allocator.alloc(ret.program);

crates/oxc_semantic/src/builder.rs

@@ -4,7 +4,7 @@ use std::{cell::RefCell, path::PathBuf, rc::Rc, sync::Arc};
 
 #[allow(clippy::wildcard_imports)]
 use oxc_ast::{ast::*, AstKind, Trivias, Visit};
-use oxc_diagnostics::{Error, OxcDiagnostic};
+use oxc_diagnostics::OxcDiagnostic;
 use oxc_span::{CompactStr, SourceType, Span};
 use oxc_syntax::{
     identifier::is_identifier_name,
@@ -38,7 +38,7 @@ pub struct SemanticBuilder<'a> {
     trivias: Rc<Trivias>,
 
     /// Semantic early errors such as redeclaration errors.
-    errors: RefCell<Vec<Error>>,
+    errors: RefCell<Vec<OxcDiagnostic>>,
 
     // states
     pub current_node_id: AstNodeId,
@@ -76,7 +76,7 @@ pub struct SemanticBuilder<'a> {
 
 pub struct SemanticBuilderReturn<'a> {
     pub semantic: Semantic<'a>,
-    pub errors: Vec<Error>,
+    pub errors: Vec<OxcDiagnostic>,
 }
 
 impl<'a> SemanticBuilder<'a> {
@@ -187,7 +187,7 @@ impl<'a> SemanticBuilder<'a> {
 
     /// Push a Syntax Error
     pub fn error(&self, error: OxcDiagnostic) {
-        self.errors.borrow_mut().push(error.into());
+        self.errors.borrow_mut().push(error);
     }
 
     fn create_ast_node(&mut self, kind: AstKind<'a>) {

crates/oxc_semantic/tests/util/mod.rs

@@ -5,7 +5,7 @@ use std::{path::PathBuf, sync::Arc};
 
 use itertools::Itertools;
 use oxc_allocator::Allocator;
-use oxc_diagnostics::{Error, NamedSource};
+use oxc_diagnostics::{Error, NamedSource, OxcDiagnostic};
 use oxc_semantic::{print_basic_block, Semantic, SemanticBuilder};
 use oxc_span::SourceType;
 
@@ -168,7 +168,7 @@ impl<'a> SemanticTester<'a> {
         SymbolTester::new_unique(self, self.build(), name)
     }
 
-    fn wrap_diagnostics(&self, diagnostics: Vec<Error>) -> Vec<Error> {
+    fn wrap_diagnostics(&self, diagnostics: Vec<OxcDiagnostic>) -> Vec<Error> {
         let name = "test".to_owned()
             + match (self.source_type.is_javascript(), self.source_type.is_jsx()) {
                 (true, true) => ".jsx",

crates/oxc_wasm/src/lib.rs

@@ -184,7 +184,9 @@ impl Oxc {
             .build(program);
 
         if run_options.syntax() {
-            self.save_diagnostics(semantic_ret.errors);
+            self.save_diagnostics(
+                semantic_ret.errors.into_iter().map(Error::from).collect::<Vec<_>>(),
+            );
         }
 
         let semantic = Rc::new(semantic_ret.semantic);
@@ -192,7 +194,7 @@ impl Oxc {
         if run_options.lint() && self.diagnostics.borrow().is_empty() {
             let lint_ctx = LintContext::new(path.clone().into_boxed_path(), &semantic);
             let linter_ret = Linter::default().run(lint_ctx);
-            let diagnostics = linter_ret.into_iter().map(|e| e.error).collect();
+            let diagnostics = linter_ret.into_iter().map(|e| Error::from(e.error)).collect();
             self.save_diagnostics(diagnostics);
         }
 

tasks/coverage/src/suite.rs

@@ -18,7 +18,7 @@ use walkdir::WalkDir;
 
 use oxc_allocator::Allocator;
 use oxc_ast::Trivias;
-use oxc_diagnostics::{Error, GraphicalReportHandler, GraphicalTheme, NamedSource};
+use oxc_diagnostics::{GraphicalReportHandler, GraphicalTheme, NamedSource};
 use oxc_parser::Parser;
 use oxc_semantic::SemanticBuilder;
 use oxc_span::{SourceType, Span};
@@ -334,12 +334,7 @@ pub trait Case: Sized + Sync + Send + UnwindSafe {
         if let Some(res) = self.check_semantic(&semantic_ret.semantic) {
             return res;
         }
-        let errors = parser_ret
-            .errors
-            .into_iter()
-            .map(Error::from)
-            .chain(semantic_ret.errors)
-            .collect::<Vec<_>>();
+        let errors = parser_ret.errors.into_iter().chain(semantic_ret.errors).collect::<Vec<_>>();
 
         let result = if errors.is_empty() {
             Ok(String::new())