feat: migrate hover to language-service

extensions/vscode/src/client.ts

@@ -2,11 +2,10 @@ import type { GetPackageManagerRequest } from '#shared/protocol'
 import type { DocumentFilter } from '@volar/vscode'
 import { displayName, extensionId } from '#shared/meta'
 import { GET_PACKAGE_MANAGER_METHOD } from '#shared/protocol'
-import { logger } from '#state'
 import { SUPPORTED_DOCUMENT_PATTERN } from '#utils/constants'
 import { middleware } from '@volar/vscode'
 import { LanguageClient, TransportKind } from '@volar/vscode/node'
-import { commands, Uri } from 'vscode'
+import { commands, Hover, MarkdownString, Uri } from 'vscode'
 
 const SUPPORTED_LANGUAGES = [
   'javascript',
@@ -20,6 +19,10 @@ const SUPPORTED_LANGUAGES = [
   'html',
 ] as const
 
+function transformMarkdownString(md: string) {
+  return new MarkdownString(md, true)
+}
+
 export function launch(serverPath: string) {
   const client = new LanguageClient(
     extensionId,
@@ -36,7 +39,27 @@ export function launch(serverPath: string) {
       },
     },
     {
-      middleware,
+      middleware: {
+        ...middleware,
+        provideHover: async (document, position, token, next) => {
+          const hover = await next(document, position, token)
+          if (!hover)
+            return
+
+          const contents = hover.contents.map((c) => {
+            if (c instanceof MarkdownString)
+              return c
+            if (typeof c === 'string')
+              return transformMarkdownString(c)
+            if ('value' in c)
+              return transformMarkdownString(c.value)
+
+            return c
+          })
+
+          return new Hover(contents, hover.range)
+        },
+      },
       documentSelector: [
         { scheme: 'file', pattern: SUPPORTED_DOCUMENT_PATTERN },
         ...SUPPORTED_LANGUAGES.map((language) => ({ scheme: 'file', language } satisfies DocumentFilter)),
@@ -45,7 +68,11 @@ export function launch(serverPath: string) {
         isTrusted: true,
         supportHtml: true,
       },
-      outputChannel: logger.logger.value!,
+      synchronize: {
+        configurationSection: [displayName],
+      },
+      diagnosticCollectionName: displayName,
+      outputChannelName: `${displayName} Language Server`,
     },
   )
 

extensions/vscode/src/index.ts

@@ -1,10 +1,9 @@
 import { useWorkspaceContext } from '#composables/workspace-context'
 import { commands, displayName, version } from '#shared/meta'
-// TODO: Uncomment when language server integration is ready
-// import { createLabsInfo } from '@volar/vscode'
+import { createLabsInfo } from '@volar/vscode'
 import { defineExtension, useCommands } from 'reactive-vscode'
-// import { Uri } from 'vscode'
-// import { launch } from './client'
+import { Uri } from 'vscode'
+import { launch } from './client'
 import { openFileInNpmx } from './commands/open-file-in-npmx'
 import { openInBrowser } from './commands/open-in-browser'
 import { useCodeActions } from './providers/code-actions'
@@ -13,20 +12,17 @@ import { useDecorators } from './providers/decorators'
 import { useDefinition } from './providers/definition'
 import { useDiagnostics } from './providers/diagnostics'
 import { useDocumentLink } from './providers/document-link'
-import { useHover } from './providers/hover'
 import { logger } from './state'
 
-export const { activate, deactivate } = defineExtension((_ctx) => {
-  // TODO: Uncomment when language server integration is ready
-  // const volarLabs = createLabsInfo()
+export const { activate, deactivate } = defineExtension((ctx) => {
+  const volarLabs = createLabsInfo()
 
-  // const serverPath = Uri.joinPath(ctx.extensionUri, './dist/server/bin/index.js').fsPath
-  // const { client } = launch(serverPath)
-  // volarLabs.addLanguageClient(client)
+  const serverPath = Uri.joinPath(ctx.extensionUri, './dist/server/bin/index.js').fsPath
+  const { client } = launch(serverPath)
+  volarLabs.addLanguageClient(client)
 
   useWorkspaceContext()
 
-  useHover()
   useCompletionItem()
   useDiagnostics()
   useDecorators()