feat(lsp): basic support for textDocument/completion (#8651)

2 files changed, 19 insertions, 1 deletions

diff --git a/cli/tsc/99_main_compiler.js b/cli/tsc/99_main_compiler.js
index f379d6bae..a78b85203 100644
--- a/cli/tsc/99_main_compiler.js
+++ b/cli/tsc/99_main_compiler.js
@@ -514,6 +514,16 @@ delete Object.prototype.__proto__;
           ),
         );
       }
+      case "getCompletions": {
+        return respond(
+          id,
+          languageService.getCompletionsAtPosition(
+            request.specifier,
+            request.position,
+            request.preferences,
+          ),
+        );
+      }
       case "getDocumentHighlights": {
         return respond(
           id,
diff --git a/cli/tsc/compiler.d.ts b/cli/tsc/compiler.d.ts
index 1a899c291..a1f4e851c 100644
--- a/cli/tsc/compiler.d.ts
+++ b/cli/tsc/compiler.d.ts
@@ -48,7 +48,8 @@ declare global {
     | GetQuickInfoRequest
     | GetDocumentHighlightsRequest
     | GetReferencesRequest
-    | GetDefinitionRequest;
+    | GetDefinitionRequest
+    | GetCompletionsRequest;
 
   interface BaseLanguageServerRequest {
     id: number;
@@ -100,4 +101,11 @@ declare global {
     specifier: string;
     position: number;
   }
+
+  interface GetCompletionsRequest extends BaseLanguageServerRequest {
+    method: "getCompletions";
+    specifier: string;
+    position: number;
+    preferences: ts.UserPreferences;
+  }
 }