feat: support custom filterCodeActions

Co-Authored-By: Alex Butler <[email protected]>

Author: aminya

lib/adapters/code-action-adapter.ts

@@ -41,15 +41,16 @@ export default class CodeActionAdapter {
     linterAdapter: LinterPushV2Adapter | IdeDiagnosticAdapter | undefined,
     editor: TextEditor,
     range: Range,
-    linterMessages: linter.Message[] | atomIde.Diagnostic[]
+    linterMessages: linter.Message[] | atomIde.Diagnostic[],
+    filterActions: (actions: (Command | CodeAction)[] | null) => (Command | CodeAction)[] | null = (actions) => actions
   ): Promise<atomIde.CodeAction[]> {
     if (linterAdapter == null) {
       return []
     }
     assert(serverCapabilities.codeActionProvider, "Must have the textDocument/codeAction capability")
 
     const params = createCodeActionParams(linterAdapter, editor, range, linterMessages)
-    const actions = await connection.codeAction(params)
+    const actions = filterActions(await connection.codeAction(params))
     if (actions === null) {
       return []
     }

lib/auto-languageclient.ts

@@ -944,10 +944,16 @@ export default class AutoLanguageClient {
       this.getServerAdapter(server, "linterPushV2"),
       editor,
       range,
-      diagnostics
+      diagnostics,
+      this.filterCodeActions.bind(this)
     )
   }
 
+  /** Optionally filter code action before they're displayed */
+  protected filterCodeActions(actions: (ls.Command | ls.CodeAction)[] | null): (ls.Command | ls.CodeAction)[] | null {
+    return actions
+  }
+
   public provideRefactor(): atomIde.RefactorProvider {
     return {
       grammarScopes: this.getGrammarScopes(),