Pick up newest markdown language service (#159619)

This brings support for code actions and source actions, along with some bug fixes

Also fixes `getAllMarkdownDocuments` to prefer open documents instead of those on disk

extensions/markdown-language-features/server/README.md

@@ -23,12 +23,20 @@ This server uses the [Markdown Language Service](https://github.com/microsoft/vs
 
 - [Find all references](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_references) to headers and links across all Markdown files in the workspace.
 
-- [Rename](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_rename) of headers and links across all Markdown files in the workspace.
-
 - [Go to definition](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_definition) from links to headers or link definitions.
 
-- (experimental) [Pull diagnostics (validation)](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_pullDiagnostics) for links.
+- [Rename](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_rename) of headers and links across all Markdown files in the workspace.
 
+- Find all references to a file. Uses a custom `markdown/getReferencesToFileInWorkspace` message.
+
+- [Code Actions](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_codeAction)
+
+	- Organize link definitions source action.
+	- Extract link to definition refactoring.
+
+- (experimental) Updating links when a file is moved / renamed. Uses a custom `markdown/getEditForFileRenames` message.
+
+- (experimental) [Pull diagnostics (validation)](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_pullDiagnostics) for links.
 
 
 ## Client requirements

extensions/markdown-language-features/server/package.json

@@ -13,7 +13,8 @@
     "vscode-languageserver": "^8.0.2",
     "vscode-languageserver-textdocument": "^1.0.5",
     "vscode-languageserver-types": "^3.17.1",
-    "vscode-markdown-languageservice": "^0.0.1",
+    "vscode-markdown-languageservice": "^0.1.0-alpha.1",
+    "vscode-nls": "^5.0.1",
     "vscode-uri": "^3.0.3"
   },
   "devDependencies": {

extensions/markdown-language-features/server/src/server.ts

@@ -7,6 +7,7 @@ import { CancellationToken, Connection, InitializeParams, InitializeResult, Note
 import { TextDocument } from 'vscode-languageserver-textdocument';
 import * as lsp from 'vscode-languageserver-types';
 import * as md from 'vscode-markdown-languageservice';
+import * as nls from 'vscode-nls';
 import { URI } from 'vscode-uri';
 import { getLsConfiguration, LsConfiguration } from './config';
 import { ConfigurationManager } from './configuration';
@@ -16,8 +17,11 @@ import * as protocol from './protocol';
 import { IDisposable } from './util/dispose';
 import { VsCodeClientWorkspace } from './workspace';
 
+const localize = nls.loadMessageBundle();
+
 interface MdServerInitializationOptions extends LsConfiguration { }
 
+const organizeLinkDefKind = 'source.organizeLinkDefinitions';
 export async function startServer(connection: Connection) {
 	const documents = new TextDocuments(TextDocument);
 	const notebooks = new NotebookDocuments(documents);
@@ -61,6 +65,7 @@ export async function startServer(connection: Connection) {
 					interFileDependencies: true,
 					workspaceDiagnostics: false,
 				},
+				codeActionProvider: { resolveProvider: true },
 				completionProvider: { triggerCharacters: ['.', '/', '#'] },
 				definitionProvider: true,
 				documentLinkProvider: { resolveProvider: true },
@@ -97,7 +102,7 @@ export async function startServer(connection: Connection) {
 		if (!document) {
 			return [];
 		}
-		return mdLs!.getDocumentSymbols(document, token);
+		return mdLs!.getDocumentSymbols(document, { includeLinkDefinitions: true }, token);
 	});
 
 	connection.onFoldingRanges(async (params, token): Promise<lsp.FoldingRange[]> => {
@@ -152,6 +157,48 @@ export async function startServer(connection: Connection) {
 		return mdLs!.getRenameEdit(document, params.position, params.newName, token);
 	});
 
+	interface OrganizeLinkActionData {
+		readonly uri: string;
+	}
+
+	connection.onCodeAction(async (params, token) => {
+		const document = documents.get(params.textDocument.uri);
+		if (!document) {
+			return undefined;
+		}
+
+		if (params.context.only?.some(kind => kind === 'source' || kind.startsWith('source.'))) {
+			const action: lsp.CodeAction = {
+				title: localize('organizeLinkDefAction.title', "Organize link definitions"),
+				kind: organizeLinkDefKind,
+				data: <OrganizeLinkActionData>{ uri: document.uri }
+			};
+			return [action];
+		}
+
+		return mdLs!.getCodeActions(document, params.range, params.context, token);
+	});
+
+	connection.onCodeActionResolve(async (codeAction, token) => {
+		if (codeAction.kind === organizeLinkDefKind) {
+			const data = codeAction.data as OrganizeLinkActionData;
+			const document = documents.get(data.uri);
+			if (!document) {
+				return codeAction;
+			}
+
+			const edits = (await mdLs?.organizeLinkDefinitions(document, { removeUnused: true }, token)) || [];
+			codeAction.edit = {
+				changes: {
+					[data.uri]: edits
+				}
+			};
+			return codeAction;
+		}
+
+		return codeAction;
+	});
+
 	connection.onRequest(protocol.getReferencesToFileInWorkspace, (async (params: { uri: string }, token: CancellationToken) => {
 		return mdLs!.getFileReferences(URI.parse(params.uri), token);
 	}));

extensions/markdown-language-features/server/src/workspace.ts

@@ -10,7 +10,6 @@ import { ContainingDocumentContext, FileWatcherOptions, IFileSystemWatcher } fro
 import { URI } from 'vscode-uri';
 import { LsConfiguration } from './config';
 import * as protocol from './protocol';
-import { coalesce } from './util/arrays';
 import { isMarkdownFile, looksLikeMarkdownPath } from './util/file';
 import { Limiter } from './util/limiter';
 import { ResourceMap } from './util/resourceMap';
@@ -133,29 +132,35 @@ export class VsCodeClientWorkspace implements md.IWorkspaceWithWatching {
 	}
 
 	async getAllMarkdownDocuments(): Promise<Iterable<md.ITextDocument>> {
+		// Add opened files (such as untitled files)
+		const openTextDocumentResults = this.documents.all()
+			.filter(doc => this.isRelevantMarkdownDocument(doc));
+
+		const allDocs = new ResourceMap<md.ITextDocument>();
+		for (const doc of openTextDocumentResults) {
+			allDocs.set(URI.parse(doc.uri), doc);
+		}
+
+		// And then add files on disk
 		const maxConcurrent = 20;
-
-		const foundFiles = new ResourceMap<void>();
 		const limiter = new Limiter<md.ITextDocument | undefined>(maxConcurrent);
-
-		// Add files on disk
 		const resources = await this.connection.sendRequest(protocol.findMarkdownFilesInWorkspace, {});
-		const onDiskResults = await Promise.all(resources.map(strResource => {
+		await Promise.all(resources.map(strResource => {
 			return limiter.queue(async () => {
 				const resource = URI.parse(strResource);
+				if (allDocs.has(resource)) {
+					return;
+				}
+
 				const doc = await this.openMarkdownDocument(resource);
 				if (doc) {
-					foundFiles.set(resource);
+					allDocs.set(resource, doc);
 				}
 				return doc;
 			});
 		}));
 
-		// Add opened files (such as untitled files)
-		const openTextDocumentResults = await Promise.all(this.documents.all()
-			.filter(doc => !foundFiles.has(URI.parse(doc.uri)) && this.isRelevantMarkdownDocument(doc)));
-
-		return coalesce([...onDiskResults, ...openTextDocumentResults]);
+		return allDocs.values();
 	}
 
 	hasMarkdownDocument(resource: URI): boolean {

extensions/markdown-language-features/server/yarn.lock

@@ -42,10 +42,10 @@ vscode-languageserver@^8.0.2:
   dependencies:
     vscode-languageserver-protocol "3.17.2"
 
-vscode-markdown-languageservice@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/vscode-markdown-languageservice/-/vscode-markdown-languageservice-0.0.1.tgz#40398c7cb2d169359e690bc76bd6618dc377e58a"
-  integrity sha512-zQuAJXLY3Wmu7LknHaes8dDZt0TWwgJQlLocbHgBtnMp6Tdv7zgNToIkW4k4OReqpiOLt0llIamM29e6ober0Q==
+vscode-markdown-languageservice@^0.1.0-alpha.1:
+  version "0.1.0-alpha.1"
+  resolved "https://registry.yarnpkg.com/vscode-markdown-languageservice/-/vscode-markdown-languageservice-0.1.0-alpha.1.tgz#60a9b445240eb2f90b5f2cfe203f9cdf1773d674"
+  integrity sha512-2detAtQRLGdc6MgdQI/8/+Bypa3enw6SA/ia4PCBctwO422kvYjBlyICnqP12ju6DVUNxfLQg5aNqa90xO1H2A==
   dependencies:
     picomatch "^2.3.1"
     vscode-languageserver-textdocument "^1.0.5"