From 8758006acca3c7859f58a8658895ef975ef3aea7 Mon Sep 17 00:00:00 2001
From: Andrew Scott <atscott@google.com>
Date: Tue, 24 Nov 2020 11:57:34 -0800
Subject: [PATCH] refactor(language-service): create getReferencesAtPosition
 stubs (#39829)

Create stubs for getTypeDefinitionAtPosition for both VE and Ivy Language Service
implementations. This will prevent failed requests when it is implemented on the vscode plugin side.

PR Close #39829
---
 packages/language-service/ivy/ts_plugin.ts | 6 ++++++
 packages/language-service/src/ts_plugin.ts | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/packages/language-service/ivy/ts_plugin.ts b/packages/language-service/ivy/ts_plugin.ts
index f76ad6c9f8..473842312d 100644
--- a/packages/language-service/ivy/ts_plugin.ts
+++ b/packages/language-service/ivy/ts_plugin.ts
@@ -56,11 +56,17 @@ export function create(info: ts.server.PluginCreateInfo): ts.LanguageService {
     }
   }
 
+  function getReferencesAtPosition(fileName: string, position: number) {
+    // TODO(atscott): implement references
+    return undefined;
+  }
+
   return {
     ...tsLS,
     getSemanticDiagnostics,
     getTypeDefinitionAtPosition,
     getQuickInfoAtPosition,
     getDefinitionAndBoundSpan,
+    getReferencesAtPosition,
   };
 }
diff --git a/packages/language-service/src/ts_plugin.ts b/packages/language-service/src/ts_plugin.ts
index 5f67d491b0..a8da1e47a8 100644
--- a/packages/language-service/src/ts_plugin.ts
+++ b/packages/language-service/src/ts_plugin.ts
@@ -115,6 +115,11 @@ export function create(info: tss.server.PluginCreateInfo): tss.LanguageService {
     return undefined;
   }
 
+  function getReferencesAtPosition(fileName: string, position: number) {
+    // Not implemented in VE Language Service
+    return undefined;
+  }
+
   return {
     // First clone the original TS language service
     ...tsLS,
@@ -125,5 +130,6 @@ export function create(info: tss.server.PluginCreateInfo): tss.LanguageService {
     getDefinitionAtPosition,
     getDefinitionAndBoundSpan,
     getTypeDefinitionAtPosition,
+    getReferencesAtPosition,
   };
 }