Merge pull request #24349 from Microsoft/findRefInJson

[release-2.9] Fix getter of local symbol for export= when it is json module

src/services/importTracker.ts

@@ -578,6 +578,9 @@ namespace ts.FindAllReferences {
         else if (isBinaryExpression(decl)) { // `module.exports = class {}`
             return Debug.assertDefined(decl.right.symbol);
         }
+        else if (isSourceFile(decl)) { // json module
+            return Debug.assertDefined(decl.symbol);
+        }
         return Debug.fail();
     }
 

tests/cases/fourslash/findAllReferencesOfJsonModule.ts

@@ -0,0 +1,14 @@
+/// <reference path='fourslash.ts' />
+
+// @resolveJsonModule: true
+// @module: commonjs
+// @esModuleInterop: true
+
+// @Filename: /foo.ts
+////import [|{| "isWriteAccess": true, "isDefinition": true |}settings|] from "./settings.json";
+////[|settings|];
+
+// @Filename: /settings.json
+//// {}
+
+verify.singleReferenceGroup("import settings");