First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>

client/node_modules/langium/lib/lsp/document-update-handler.d.ts

@@ -0,0 +1,76 @@
+/******************************************************************************
+ * Copyright 2023 TypeFox GmbH
+ * This program and the accompanying materials are made available under the
+ * terms of the MIT License, which is available in the project root.
+ ******************************************************************************/
+import type { DidChangeWatchedFilesParams, Disposable, Event, TextDocumentChangeEvent, TextDocumentWillSaveEvent, TextEdit, FileSystemWatcher } from 'vscode-languageserver';
+import { URI } from '../utils/uri-utils.js';
+import type { DocumentBuilder } from '../workspace/document-builder.js';
+import type { TextDocument } from '../workspace/documents.js';
+import type { WorkspaceLock } from '../workspace/workspace-lock.js';
+import type { LangiumSharedServices } from './lsp-services.js';
+import type { WorkspaceManager } from '../workspace/workspace-manager.js';
+import type { ServiceRegistry } from '../service-registry.js';
+import type { MaybePromise } from '../utils/promise-utils.js';
+import { Emitter } from '../utils/event.js';
+/**
+ * Shared service for handling text document changes and watching relevant files.
+ */
+export interface DocumentUpdateHandler {
+    /**
+     * A document open event was triggered by the `TextDocuments` service.
+     * @param event The document change event.
+     */
+    didOpenDocument?(event: TextDocumentChangeEvent<TextDocument>): void;
+    /**
+     * A content change event was triggered by the `TextDocuments` service.
+     * @param event The document change event.
+     */
+    didChangeContent?(event: TextDocumentChangeEvent<TextDocument>): void;
+    /**
+     * A document save event (initiated) was triggered by the `TextDocuments` service.
+     * @param event The document change event.
+     */
+    willSaveDocument?(event: TextDocumentWillSaveEvent<TextDocument>): void;
+    /**
+     * A document save event (initiated) was triggered by the `TextDocuments` service.
+     * @param event The document change event.
+     * @returns An array of text edits which will be applied to the document before it is saved.
+     */
+    willSaveDocumentWaitUntil?(event: TextDocumentWillSaveEvent<TextDocument>): MaybePromise<TextEdit[]>;
+    /**
+     * A document save event (completed) was triggered by the `TextDocuments` service.
+     * @param event The document change event.
+     */
+    didSaveDocument?(event: TextDocumentChangeEvent<TextDocument>): void;
+    /**
+     * A document close event was triggered by the `TextDocuments` service.
+     * @param event The document change event.
+     */
+    didCloseDocument?(event: TextDocumentChangeEvent<TextDocument>): void;
+    /**
+     * The client detected changes to files and folders watched by the language client.
+     * @param params The files/folders change event.
+     */
+    didChangeWatchedFiles?(params: DidChangeWatchedFilesParams): void;
+    /**
+     * Register a listener for raw file system changes. Which changes are actually reported
+     * depends on the file system watcher configuration.
+     */
+    onWatchedFilesChange(callback: (params: DidChangeWatchedFilesParams) => void): Disposable;
+}
+export declare class DefaultDocumentUpdateHandler implements DocumentUpdateHandler {
+    protected readonly workspaceManager: WorkspaceManager;
+    protected readonly documentBuilder: DocumentBuilder;
+    protected readonly workspaceLock: WorkspaceLock;
+    protected readonly serviceRegistry: ServiceRegistry;
+    protected readonly onWatchedFilesChangeEmitter: Emitter<DidChangeWatchedFilesParams>;
+    constructor(services: LangiumSharedServices);
+    protected registerFileWatcher(services: LangiumSharedServices): void;
+    protected getWatchers(): FileSystemWatcher[];
+    protected fireDocumentUpdate(changed: URI[], deleted: URI[]): void;
+    didChangeContent(change: TextDocumentChangeEvent<TextDocument>): void;
+    didChangeWatchedFiles(params: DidChangeWatchedFilesParams): void;
+    get onWatchedFilesChange(): Event<DidChangeWatchedFilesParams>;
+}
+//# sourceMappingURL=document-update-handler.d.ts.map