feat(editor): add oxc.fmt.experimental flag

Author: Sysix

editors/vscode/client/WorkspaceConfig.ts

@@ -61,6 +61,14 @@ export interface WorkspaceConfigInterface {
    * @default {}
    */
   flags: Record<string, string>;
+
+  /**
+   * Enable formatting experiment
+   * `oxc.fmt.experimental`
+   *
+   * @default false
+   */
+  ['fmt.experimental']: boolean;
 }
 
 export class WorkspaceConfig {
@@ -70,6 +78,7 @@ export class WorkspaceConfig {
   private _unusedDisableDirectives: UnusedDisableDirectives = 'allow';
   private _typeAware: boolean = false;
   private _flags: Record<string, string> = {};
+  private _formattingExperimental: boolean = false;
 
   constructor(private readonly workspace: WorkspaceFolder) {
     this.refresh();
@@ -91,6 +100,7 @@ export class WorkspaceConfig {
       'allow';
     this._typeAware = this.configuration.get<boolean>('typeAware') ?? false;
     this._flags = flags;
+    this._formattingExperimental = this.configuration.get<boolean>('fmt.experimental') ?? false;
   }
 
   public effectsConfigChange(event: ConfigurationChangeEvent): boolean {
@@ -112,6 +122,9 @@ export class WorkspaceConfig {
     if (event.affectsConfiguration(`${ConfigService.namespace}.flags`, this.workspace)) {
       return true;
     }
+    if (event.affectsConfiguration(`${ConfigService.namespace}.fmt.experimental`, this.workspace)) {
+      return true;
+    }
     return false;
   }
 
@@ -173,6 +186,15 @@ export class WorkspaceConfig {
     return this.configuration.update('flags', value, ConfigurationTarget.WorkspaceFolder);
   }
 
+  get formattingExperimental(): boolean {
+    return this._formattingExperimental;
+  }
+
+  updateFormattingExperimental(value: boolean): PromiseLike<void> {
+    this._formattingExperimental = value;
+    return this.configuration.update('fmt.experimental', value, ConfigurationTarget.WorkspaceFolder);
+  }
+
   public toLanguageServerConfig(): WorkspaceConfigInterface {
     return {
       run: this.runTrigger,
@@ -181,6 +203,7 @@ export class WorkspaceConfig {
       unusedDisableDirectives: this.unusedDisableDirectives,
       typeAware: this.typeAware,
       flags: this.flags,
+      ['fmt.experimental']: this.formattingExperimental,
     };
   }
 }

editors/vscode/tests/WorkspaceConfig.spec.ts

@@ -3,7 +3,7 @@ import { ConfigurationTarget, workspace } from 'vscode';
 import { WorkspaceConfig } from '../client/WorkspaceConfig.js';
 import { WORKSPACE_FOLDER } from './test-helpers.js';
 
-const keys = ['lint.run', 'configPath', 'tsConfigPath', 'flags', 'unusedDisableDirectives', 'typeAware'];
+const keys = ['lint.run', 'configPath', 'tsConfigPath', 'flags', 'unusedDisableDirectives', 'typeAware', 'fmt.experimental'];
 
 suite('WorkspaceConfig', () => {
   setup(async () => {
@@ -35,6 +35,7 @@ suite('WorkspaceConfig', () => {
     strictEqual(config.unusedDisableDirectives, 'allow');
     strictEqual(config.typeAware, false);
     deepStrictEqual(config.flags, {});
+    strictEqual(config.formattingExperimental, false);
   });
 
   test('configPath defaults to null when using nested configs and configPath is empty', async () => {
@@ -69,6 +70,7 @@ suite('WorkspaceConfig', () => {
       config.updateUnusedDisableDirectives('deny'),
       config.updateTypeAware(true),
       config.updateFlags({ test: 'value' }),
+      config.updateFormattingExperimental(true),
     ]);
 
     const wsConfig = workspace.getConfiguration('oxc', WORKSPACE_FOLDER);
@@ -79,5 +81,6 @@ suite('WorkspaceConfig', () => {
     strictEqual(wsConfig.get('unusedDisableDirectives'), 'deny');
     strictEqual(wsConfig.get('typeAware'), true);
     deepStrictEqual(wsConfig.get('flags'), { test: 'value' });
+    strictEqual(wsConfig.get('fmt.experimental'), true);
   });
 });