Remove the InitializableService interface

Author: spoenemann

packages/langium/src/services.ts

@@ -6,7 +6,6 @@
 
 // Ensure that all imports are erased at runtime to avoid circular dependencies.
 import type { IParserErrorMessageProvider } from 'chevrotain';
-import type { InitializeParams, InitializedParams } from 'vscode-languageserver-protocol';
 import type { CommentProvider } from './documentation/comment-provider.js';
 import type { DocumentationProvider } from './documentation/documentation-provider.js';
 import type { Grammar } from './languages/generated/ast.js';
@@ -26,7 +25,6 @@ import type { ScopeProvider } from './references/scope-provider.js';
 import type { JsonSerializer } from './serializer/json-serializer.js';
 import type { ServiceRegistry } from './service-registry.js';
 import type { AstReflection } from './syntax-tree.js';
-import type { MaybePromise } from './utils/promise-utils.js';
 import type { DocumentValidator } from './validation/document-validator.js';
 import type { ValidationRegistry } from './validation/validation-registry.js';
 import type { AstNodeDescriptionProvider, ReferenceDescriptionProvider } from './workspace/ast-descriptions.js';
@@ -40,15 +38,6 @@ import type { WorkspaceLock } from './workspace/workspace-lock.js';
 import type { Hydrator } from './serializer/hydrator.js';
 import type { WorkspaceManager } from './workspace/workspace-manager.js';
 
-export type {
-    InitializeParams, InitializedParams
-};
-
-export interface InitializableService {
-    initialize(params: InitializeParams): void
-    initialized(params: InitializedParams): MaybePromise<void>
-}
-
 /**
  * The services generated by `langium-cli` for a specific language. These are derived from the
  * grammar definition and the language configuration.

packages/langium/src/workspace/configuration.ts

@@ -4,13 +4,29 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
-import type { ConfigurationItem, DidChangeConfigurationParams, DidChangeConfigurationRegistrationOptions } from 'vscode-languageserver-protocol';
+import type {
+    ConfigurationItem, DidChangeConfigurationParams, DidChangeConfigurationRegistrationOptions, InitializeParams,
+    InitializedParams
+} from 'vscode-languageserver-protocol';
 import type { ServiceRegistry } from '../service-registry.js';
-import type { InitializableService, InitializeParams, InitializedParams, LangiumSharedCoreServices } from '../services.js';
+import type { LangiumSharedCoreServices } from '../services.js';
 
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-export interface ConfigurationProvider extends InitializableService {
+export interface ConfigurationProvider {
+
+    /**
+     * When used in a language server context, this method is called when the server receives
+     * the `initialize` request.
+     */
+    initialize(params: InitializeParams): void;
+
+    /**
+     * When used in a language server context, this method is called when the server receives
+     * the `initialized` notification.
+     */
+    initialized(params: ConfigurationInitializedParams): Promise<void>;
+
     /**
      * Returns a configuration value stored for the given language.
      *

packages/langium/src/workspace/workspace-manager.ts

@@ -4,9 +4,10 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
+import type { InitializeParams, InitializedParams } from 'vscode-languageserver-protocol';
 import type { WorkspaceFolder } from 'vscode-languageserver-types';
 import type { ServiceRegistry } from '../service-registry.js';
-import type { InitializableService, InitializeParams, InitializedParams, LangiumSharedCoreServices } from '../services.js';
+import type { LangiumSharedCoreServices } from '../services.js';
 import { CancellationToken } from '../utils/cancellation.js';
 import { interruptAndCheck } from '../utils/promise-utils.js';
 import { URI, UriUtils } from '../utils/uri-utils.js';
@@ -23,11 +24,23 @@ export type { WorkspaceFolder };
  * The workspace manager is responsible for finding source files in the workspace.
  * This service is shared between all languages of a language server.
  */
-export interface WorkspaceManager extends InitializableService {
+export interface WorkspaceManager {
 
     /** The options used for the initial workspace build. */
     initialBuildOptions: BuildOptions | undefined;
 
+    /**
+     * When used in a language server context, this method is called when the server receives
+     * the `initialize` request.
+     */
+    initialize(params: InitializeParams): void;
+
+    /**
+     * When used in a language server context, this method is called when the server receives
+     * the `initialized` notification.
+     */
+    initialized(params: InitializedParams): Promise<void>;
+
     /**
      * Does the initial indexing of workspace folders.
      * Collects information about exported and referenced AstNodes in