fix(catalog): resolve definition for unopened workspace files

packages/language-server/src/workspace.ts

@@ -17,10 +17,15 @@ const getPackageManagerRequestType = new RequestType<
   GetPackageManagerRequest.ErrorType
 >(GET_PACKAGE_MANAGER_METHOD)
 
-function createLanguageServerAdapter(folderUri: URI, connection: Connection): WorkspaceAdapter {
+function createLanguageServerAdapter(folderUri: URI, connection: Connection, server: LanguageServer): WorkspaceAdapter {
   return {
     async readFile(path: string): Promise<string> {
-      return await readFile(folderUri.with({ path }).fsPath, 'utf-8')
+      const uri = folderUri.with({ path })
+      const doc = server.documents.get(uri)
+      if (doc)
+        return doc.getText()
+
+      return await readFile(uri.fsPath, 'utf-8')
     },
 
     async fileExists(path: string): Promise<boolean> {
@@ -102,7 +107,7 @@ export class WorkspaceState implements IWorkspaceState {
 
       return await WorkspaceContext.create(
         folderUri.path,
-        createLanguageServerAdapter(folderUri, this.#connection),
+        createLanguageServerAdapter(folderUri, this.#connection, this.#server),
       )
     },
     {

packages/language-service/package.json

@@ -26,6 +26,7 @@
     "npmx-language-core": "workspace:*",
     "npmx-shared": "workspace:*",
     "semver": "catalog:inline",
+    "vscode-languageserver-textdocument": "catalog:inline",
     "vscode-uri": "catalog:lsp"
   }
 }

packages/language-service/src/plugins/catalog.ts

@@ -3,7 +3,7 @@ import type { DependencyInfo } from 'npmx-language-core/workspace'
 import type { IWorkspaceState } from '../types'
 import { isPackageManifest, normalizeCatalogName } from 'npmx-language-core/utils'
 import { URI } from 'vscode-uri'
-import { getResolvedDependencyAtOffset } from '../utils/range'
+import { getDocumentByUri, getResolvedDependencyAtOffset } from '../utils/document'
 
 export function create(workspaceState: IWorkspaceState): LanguageServicePlugin {
   function getDependencyFileUri(documentUri: string): URI | undefined {
@@ -103,12 +103,10 @@ export function create(workspaceState: IWorkspaceState): LanguageServicePlugin {
             return
 
           const workspaceFileUri = dependencyFileUri.with({ path: workspaceContext.workspaceFilePath })
-          const sourceScript = context.language.scripts.get(workspaceFileUri)
-          if (!sourceScript)
+          const workspaceDocument = await getDocumentByUri(context, workspaceFileUri)
+          if (!workspaceDocument)
             return
 
-          const workspaceDocument = context.documents.get(sourceScript.id, sourceScript.languageId, sourceScript.snapshot)
-
           const [targetStart, targetEnd] = targetDependency.specRange
           const originStart = document.positionAt(dependency.specRange[0])
           const originEnd = document.positionAt(dependency.specRange[1])

packages/language-service/src/plugins/hover.ts

@@ -5,7 +5,7 @@ import { jsrPackageUrl, npmxDocsUrl, npmxPackageUrl } from 'npmx-language-core/l
 import { getImportSpecifierAtOffset, isDependencyFile } from 'npmx-language-core/utils'
 import { URI } from 'vscode-uri'
 import { getConfig } from '../config'
-import { getResolvedDependencyAtOffset } from '../utils/range'
+import { getResolvedDependencyAtOffset } from '../utils/document'
 
 export function create(workspaceState: IWorkspaceState): LanguageServicePlugin {
   const SPACER = ' '

packages/language-service/src/plugins/version-completion.ts

@@ -3,7 +3,7 @@ import type { IWorkspaceState } from '../types'
 import { isDependencyFile } from 'npmx-language-core/utils'
 import { URI } from 'vscode-uri'
 import { getConfig } from '../config'
-import { getResolvedDependencyAtOffset } from '../utils/range'
+import { getResolvedDependencyAtOffset } from '../utils/document'
 import { formatUpgradeVersion } from '../utils/version'
 
 const PRERELEASE_PATTERN = /-.+/

packages/language-service/src/utils/document.ts

@@ -0,0 +1,30 @@
+import type { LanguageServiceContext } from '@volar/language-service'
+import type { OffsetRange } from 'npmx-language-core/types'
+import type { DependencyInfo } from 'npmx-language-core/workspace'
+import type { URI } from 'vscode-uri'
+import { TextDocument } from 'vscode-languageserver-textdocument'
+
+export async function getDocumentByUri(context: LanguageServiceContext, uri: URI) {
+  const sourceScript = context.language.scripts.get(uri, true)
+  if (sourceScript)
+    return context.documents.get(sourceScript.id, sourceScript.languageId, sourceScript.snapshot)
+
+  const text = await context.env.fs!.readFile(uri)
+  if (text == null)
+    return
+
+  return TextDocument.create(uri.toString(), 'json', 0, text)
+}
+
+function isOffsetInRange(offset: number, [start, end]: OffsetRange): boolean {
+  return offset >= start && offset <= end
+}
+
+export function getResolvedDependencyAtOffset(
+  dependencies: DependencyInfo[],
+  offset: number,
+): DependencyInfo | undefined {
+  return dependencies.find((dep) =>
+    isOffsetInRange(offset, dep.nameRange) || isOffsetInRange(offset, dep.specRange),
+  )
+}

pnpm-workspace.yaml

@@ -26,6 +26,7 @@ catalogs:
     reactive-vscode: ^1.0.0-beta.2
     semver: ^7.7.4
     vscode-find-up: ^0.1.1
+    vscode-languageserver-textdocument: ^1.0.12
     yaml: ^2.8.3
   lsp:
     '@volar/language-server': ^2.4.28