feat(markdown): support user defined diagnostic options (#67)

The diagnostics now depend on the configuration provided in the user's
editor settings.

packages/markdown/index.ts

@@ -1,15 +1,24 @@
 import { forEachEmbeddedFile, type FileChangeType, type FileType, type ServicePlugin, ServicePluginInstance } from '@volar/language-service';
 import { Emitter } from 'vscode-jsonrpc';
 import type { TextDocument } from 'vscode-languageserver-textdocument';
-import type { ILogger, IMdLanguageService, IMdParser, IWorkspace } from 'vscode-markdown-languageservice';
-import { DiagnosticLevel, LogLevel, createLanguageService, githubSlugifier } from 'vscode-markdown-languageservice';
+import type { DiagnosticOptions, ILogger, IMdLanguageService, IMdParser, IWorkspace } from 'vscode-markdown-languageservice';
+import { LogLevel, createLanguageService, githubSlugifier } from 'vscode-markdown-languageservice';
 import { URI } from 'vscode-uri';
 import MarkdownIt = require('markdown-it');
 
 export interface Provide {
  'markdown/languageService': () => IMdLanguageService;
 }
 
+export interface CreateOptions {
+ /**
+ * The section to use for configuring validation options.
+ * 
+ * @example 'markdown.validate'
+ */
+ configurationSection: string;
+}
+
 const md = new MarkdownIt();
 
 function isMarkdown(document: TextDocument): boolean {
@@ -22,13 +31,13 @@ function assert(condition: unknown, message: string): asserts condition {
  }
 }
 
-export function create(): ServicePlugin {
+export function create(options: CreateOptions): ServicePlugin {
  return {
  create(context): ServicePluginInstance<Provide> {
 
  let lastProjectVersion: string | undefined;
 
- const { fs, onDidChangeWatchedFiles } = context.env;
+ const { fs, getConfiguration, onDidChangeWatchedFiles } = context.env;
  assert(fs, 'context.env.fs must be defined');
  assert(
  onDidChangeWatchedFiles,
@@ -226,21 +235,16 @@ export function create(): ServicePlugin {
  }
  },
 
- provideDiagnostics(document, token) {
+ async provideDiagnostics(document, token) {
  if (prepare(document)) {
- return ls.computeDiagnostics(
- document,
- {
- ignoreLinks: [],
- validateDuplicateLinkDefinitions: DiagnosticLevel.warning,
- validateFileLinks: DiagnosticLevel.warning,
- validateFragmentLinks: DiagnosticLevel.warning,
- validateMarkdownFileLinkFragments: DiagnosticLevel.warning,
- validateReferences: DiagnosticLevel.warning,
- validateUnusedLinkDefinitions: DiagnosticLevel.warning
- },
- token
- );
+ const configuration = await getConfiguration?.(options.configurationSection, document.uri);
+ if (configuration) {
+ return ls.computeDiagnostics(
+ document,
+ configuration as DiagnosticOptions,
+ token
+ );
+ }
  }
  },