feat(linter): tsgolint: request fixes when necessary

Author: camchenry

apps/oxlint/src/lint.rs

@@ -343,6 +343,7 @@ impl CliRunner {
         let lint_runner = match LintRunner::builder(options, linter)
             .with_type_aware(self.options.type_aware)
             .with_silent(misc_options.silent)
+            .with_fix_kind(fix_options.fix_kind())
             .build()
         {
             Ok(runner) => runner,

crates/oxc_language_server/src/linter/server_linter.rs

@@ -179,7 +179,7 @@ impl ServerLinter {
             lint_on_run: options.run,
             diagnostics: ServerLinterDiagnostics::default(),
             tsgo_linter: if options.type_aware {
-                Arc::new(Some(TsgoLinter::new(&root_path, config_store)))
+                Arc::new(Some(TsgoLinter::new(&root_path, config_store, fix_kind)))
             } else {
                 Arc::new(None)
             },
@@ -511,12 +511,16 @@ mod test {
     }
 
     #[test]
-    #[ignore = "Will be restored in #15048"]
     #[cfg(not(target_endian = "big"))]
     fn test_lint_on_run_on_type_on_save() {
         Tester::new(
             "fixtures/linter/lint_on_run/on_save",
-            Some(LintOptions { type_aware: true, run: Run::OnType, ..Default::default() }),
+            Some(LintOptions {
+                type_aware: true,
+                run: Run::OnType,
+                fix_kind: LintFixKindFlag::All,
+                ..Default::default()
+            }),
         )
         .test_and_snapshot_single_file_with_run_type("on-save.ts", Run::OnSave);
     }
@@ -532,12 +536,16 @@ mod test {
     }
 
     #[test]
-    #[ignore = "Will be restored in #15048"]
     #[cfg(not(target_endian = "big"))]
     fn test_lint_on_run_on_save_on_save() {
         Tester::new(
             "fixtures/linter/lint_on_run/on_type",
-            Some(LintOptions { type_aware: true, run: Run::OnSave, ..Default::default() }),
+            Some(LintOptions {
+                type_aware: true,
+                run: Run::OnSave,
+                fix_kind: LintFixKindFlag::All,
+                ..Default::default()
+            }),
         )
         .test_and_snapshot_single_file_with_run_type("on-save.ts", Run::OnSave);
     }
@@ -662,12 +670,16 @@ mod test {
     }
 
     #[test]
-    #[ignore = "Will be restored in #15048"]
     #[cfg(not(target_endian = "big"))] // TODO: tsgolint doesn't support big endian?
     fn test_tsgo_lint() {
         let tester = Tester::new(
             "fixtures/linter/tsgolint",
-            Some(LintOptions { type_aware: true, run: Run::OnSave, ..Default::default() }),
+            Some(LintOptions {
+                type_aware: true,
+                run: Run::OnSave,
+                fix_kind: LintFixKindFlag::All,
+                ..Default::default()
+            }),
         );
         tester.test_and_snapshot_single_file("no-floating-promises/index.ts");
     }

crates/oxc_language_server/src/linter/tsgo_linter.rs

@@ -5,8 +5,8 @@ use std::{
 
 use oxc_data_structures::rope::Rope;
 use oxc_linter::{
-    ConfigStore, LINTABLE_EXTENSIONS, TsGoLintState, loader::LINT_PARTIAL_LOADER_EXTENSIONS,
-    read_to_string,
+    ConfigStore, FixKind, LINTABLE_EXTENSIONS, TsGoLintState,
+    loader::LINT_PARTIAL_LOADER_EXTENSIONS, read_to_string,
 };
 use rustc_hash::FxHashSet;
 use tower_lsp_server::{UriExt, lsp_types::Uri};
@@ -20,8 +20,8 @@ pub struct TsgoLinter {
 }
 
 impl TsgoLinter {
-    pub fn new(root_uri: &Path, config_store: ConfigStore) -> Self {
-        let state = TsGoLintState::new(root_uri, config_store);
+    pub fn new(root_uri: &Path, config_store: ConfigStore, fix_kind: FixKind) -> Self {
+        let state = TsGoLintState::new(root_uri, config_store, fix_kind);
         Self { state }
     }
 

crates/oxc_linter/src/lint_runner.rs

@@ -10,7 +10,8 @@ use oxc_diagnostics::{DiagnosticSender, DiagnosticService};
 use oxc_span::Span;
 
 use crate::{
-    AllowWarnDeny, DisableDirectives, LintService, LintServiceOptions, Linter, TsGoLintState,
+    AllowWarnDeny, DisableDirectives, FixKind, LintService, LintServiceOptions, Linter,
+    TsGoLintState,
 };
 
 /// Unified runner that orchestrates both regular (oxc) and type-aware (tsgolint) linting
@@ -129,6 +130,7 @@ pub struct LintRunnerBuilder {
     type_aware_enabled: bool,
     lint_service_options: LintServiceOptions,
     silent: bool,
+    fix_kind: FixKind,
 }
 
 impl LintRunnerBuilder {
@@ -138,6 +140,7 @@ impl LintRunnerBuilder {
             type_aware_enabled: false,
             lint_service_options,
             silent: false,
+            fix_kind: FixKind::None,
         }
     }
 
@@ -153,6 +156,12 @@ impl LintRunnerBuilder {
         self
     }
 
+    #[must_use]
+    pub fn with_fix_kind(mut self, fix_kind: FixKind) -> Self {
+        self.fix_kind = fix_kind;
+        self
+    }
+
     /// # Errors
     /// Returns an error if the type-aware linter fails to initialize.
     pub fn build(self) -> Result<LintRunner, String> {
@@ -162,6 +171,7 @@ impl LintRunnerBuilder {
             match TsGoLintState::try_new(
                 self.lint_service_options.cwd(),
                 self.regular_linter.config.clone(),
+                self.fix_kind,
             ) {
                 Ok(state) => Some(state.with_silent(self.silent)),
                 Err(e) => return Err(e),

crates/oxc_linter/src/tsgolint.rs

@@ -14,6 +14,7 @@ use oxc_span::{SourceType, Span};
 
 use super::{AllowWarnDeny, ConfigStore, DisableDirectives, ResolvedLinterState, read_to_string};
 
+use crate::FixKind;
 #[cfg(feature = "language_server")]
 use crate::fixer::{CompositeFix, Message, PossibleFixes};
 
@@ -29,24 +30,46 @@ pub struct TsGoLintState {
     /// If `oxlint` will output the diagnostics or not.
     /// When `silent` is true, we do not need to access the file system for nice diagnostics messages.
     silent: bool,
+    /// If `true`, request that fixes be returned from `tsgolint`.
+    fix: bool,
+    /// If `true`, request that suggestions be returned from `tsgolint`.
+    fix_suggestions: bool,
 }
 
 impl TsGoLintState {
-    pub fn new(cwd: &Path, config_store: ConfigStore) -> Self {
+    pub fn new(cwd: &Path, config_store: ConfigStore, fix_kind: FixKind) -> Self {
         let executable_path =
             try_find_tsgolint_executable(cwd).unwrap_or(PathBuf::from("tsgolint"));
 
-        TsGoLintState { config_store, executable_path, cwd: cwd.to_path_buf(), silent: false }
+        TsGoLintState {
+            config_store,
+            executable_path,
+            cwd: cwd.to_path_buf(),
+            silent: false,
+            fix: fix_kind.contains(FixKind::Fix),
+            fix_suggestions: fix_kind.contains(FixKind::Suggestion),
+        }
     }
 
     /// Try to create a new TsGoLintState, returning an error if the executable cannot be found.
     ///
     /// # Errors
     /// Returns an error if the tsgolint executable cannot be found.
-    pub fn try_new(cwd: &Path, config_store: ConfigStore) -> Result<Self, String> {
+    pub fn try_new(
+        cwd: &Path,
+        config_store: ConfigStore,
+        fix_kind: FixKind,
+    ) -> Result<Self, String> {
         let executable_path = try_find_tsgolint_executable(cwd)?;
 
-        Ok(TsGoLintState { config_store, executable_path, cwd: cwd.to_path_buf(), silent: false })
+        Ok(TsGoLintState {
+            config_store,
+            executable_path,
+            cwd: cwd.to_path_buf(),
+            silent: false,
+            fix: fix_kind.contains(FixKind::Fix),
+            fix_suggestions: fix_kind.contains(FixKind::Suggestion),
+        })
     }
 
     /// Set to `true` to skip file system reads.
@@ -90,6 +113,14 @@ impl TsGoLintState {
                 .stdout(std::process::Stdio::piped())
                 .stderr(stderr());
 
+            if self.fix {
+                cmd.arg("-fix");
+            }
+
+            if self.fix_suggestions {
+                cmd.arg("-fix-suggestions");
+            }
+
             if let Ok(trace_file) = std::env::var("OXLINT_TSGOLINT_TRACE") {
                 cmd.arg(format!("-trace={trace_file}"));
             }
@@ -298,12 +329,23 @@ impl TsGoLintState {
         let json_input = self.json_input(std::slice::from_ref(path), &mut resolved_configs);
         let executable_path = self.executable_path.clone();
 
+        let fix = self.fix;
+        let fix_suggestions = self.fix_suggestions;
         let handler = std::thread::spawn(move || {
-            let child = std::process::Command::new(&executable_path)
-                .arg("headless")
+            let mut cmd = std::process::Command::new(&executable_path);
+            cmd.arg("headless")
                 .stdin(std::process::Stdio::piped())
-                .stdout(std::process::Stdio::piped())
-                .spawn();
+                .stdout(std::process::Stdio::piped());
+
+            if fix {
+                cmd.arg("-fix");
+            }
+
+            if fix_suggestions {
+                cmd.arg("-fix-suggestions");
+            }
+
+            let child = cmd.spawn();
 
             let mut child = match child {
                 Ok(c) => c,

editors/vscode/tests/e2e_server.spec.ts

@@ -265,6 +265,8 @@ suite('E2E Diagnostics', () => {
     await loadFixture('type_aware');
     const firstDiagnostics = await getDiagnostics('index.ts');
 
+    workspace.getConfiguration('oxc').update('fixKind', 'all');
+
     strictEqual(firstDiagnostics.length, 0);
 
     await workspace.getConfiguration('oxc').update('typeAware', true);