fix(language_server): don't apply "ignore this rule" fixes for fixAll code action + command (#14243)

This PR fixes a bug where on `source.fixAll.oxc` code action or `oxc.fixAll` command will append `// oxlint-disable ...` comments to the file.
This bug was introduced in #14183

Author: Sysix

crates/oxc_language_server/src/code_actions.rs

@@ -1,3 +1,4 @@
+use log::debug;
 use tower_lsp_server::lsp_types::{CodeAction, CodeActionKind, TextEdit, Uri, WorkspaceEdit};
 
 use crate::linter::error_with_position::{DiagnosticReport, FixedContent, PossibleFixContent};
@@ -87,7 +88,30 @@ pub fn apply_all_fix_code_action<'a>(
             PossibleFixContent::Single(fixed_content) => Some(fixed_content),
             // For multiple fixes, we take the first one as a representative fix.
             // Applying all possible fixes at once is not possible in this context.
-            PossibleFixContent::Multiple(multi) => multi.first(),
+            PossibleFixContent::Multiple(multi) => {
+                // for a real linter fix, we expect at least 3 fixes
+                if multi.len() > 2 {
+                    multi.first()
+                } else {
+                    debug!("Multiple fixes found, but only ignore fixes available");
+                    #[cfg(debug_assertions)]
+                    {
+                        if !multi.is_empty() {
+                            debug_assert!(multi[0].message.as_ref().is_some());
+                            debug_assert!(
+                                multi[0].message.as_ref().unwrap().starts_with("Disable")
+                            );
+                            debug_assert!(
+                                multi[0].message.as_ref().unwrap().ends_with("for this line")
+                            );
+                        }
+                    }
+
+                    // this fix is only for "ignore this line/file" fixes
+                    // do not apply them for "fix all" code action
+                    None
+                }
+            }
         };
 
         if let Some(fixed_content) = &fix {

crates/oxc_language_server/src/worker.rs

@@ -294,7 +294,29 @@ impl WorkspaceWorker {
                 PossibleFixContent::Single(fixed_content) => Some(fixed_content),
                 // For multiple fixes, we take the first one as a representative fix.
                 // Applying all possible fixes at once is not possible in this context.
-                PossibleFixContent::Multiple(multi) => multi.first(),
+                PossibleFixContent::Multiple(multi) => {
+                    // for a real linter fix, we expect at least 3 fixes
+                    if multi.len() > 2 {
+                        multi.first()
+                    } else {
+                        debug!("Multiple fixes found, but only ignore fixes available");
+                        #[cfg(debug_assertions)]
+                        {
+                            if !multi.is_empty() {
+                                debug_assert!(multi[0].message.as_ref().is_some());
+                                debug_assert!(
+                                    multi[0].message.as_ref().unwrap().starts_with("Disable")
+                                );
+                                debug_assert!(
+                                    multi[0].message.as_ref().unwrap().ends_with("for this line")
+                                );
+                            }
+                        }
+                        // this fix is only for "ignore this line/file" fixes
+                        // do not apply them for "fix all" code action
+                        None
+                    }
+                }
             };
 
             if let Some(fixed_content) = &fix {

editors/vscode/fixtures/fixall_code_action_ignore_only_disable_fix/.oxlintrc.json

@@ -0,0 +1,5 @@
+{
+  "rules": {
+      "no-const-assign": "error"
+  }
+}

editors/vscode/fixtures/fixall_code_action_ignore_only_disable_fix/expected.txt

@@ -0,0 +1,4 @@
+ const a = 0;
+a = 1;
+
+console.log(a);

editors/vscode/fixtures/fixall_code_action_ignore_only_disable_fix/file2.js

@@ -0,0 +1,4 @@
+const a = 0;
+a = 1;
+
+console.log(a);

editors/vscode/tests/code_actions.spec.ts

@@ -106,6 +106,35 @@ suite('code actions', () => {
     strictEqual(content.toString(), expected.toString());
   });
 
+  // https://discord.com/channels/1079625926024900739/1080723403595591700/1422191300395929620
+   test('code action `source.fixAll.oxc` ignores "ignore this rule for this line/file"', async () => {
+    let file = Uri.joinPath(fixturesWorkspaceUri(), 'fixtures', 'file2.js');
+    let expectedFile = Uri.joinPath(fixturesWorkspaceUri(), 'fixtures', 'expected.txt');
+
+    await workspace.getConfiguration('editor').update('codeActionsOnSave', {
+      'source.fixAll.oxc': 'always',
+    });
+    await workspace.saveAll();
+
+    const range = new Range(new Position(0, 0), new Position(0, 0));
+    const edit = new WorkspaceEdit();
+    edit.replace(file, range, ' ');
+
+    await sleep(1000);
+
+    await loadFixture('fixall_code_action_ignore_only_disable_fix');
+    await workspace.openTextDocument(file);
+    await workspace.applyEdit(edit);
+    await sleep(1000);
+    await workspace.saveAll();
+    await sleep(500);
+
+    const content = await workspace.fs.readFile(file);
+    const expected = await workspace.fs.readFile(expectedFile);
+
+    strictEqual(content.toString(), expected.toString());
+  });
+
   test('changing configuration flag "fix_kind" will reveal more code actions', async () => {
     await loadFixture('changing_fix_kind');
     const fileUri = Uri.joinPath(fixturesWorkspaceUri(), 'fixtures', 'for_direction.ts');