Improve asserts in getSuggestionForNonexistentSymbol

sandersn · sandersn · commit c6f343e266f2 · 2017-11-07T14:47:08.000-08:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -15291,8 +15291,9 @@ namespace ts {
         }
 
         function getSuggestionForNonexistentSymbol(location: Node, outerName: __String, meaning: SymbolFlags): string {
+            Debug.assert(outerName !== undefined, "outername should always be defined");
             const result = resolveNameHelper(location, outerName, meaning, /*nameNotFoundMessage*/ undefined, outerName, /*isUse*/ false, (symbols, name, meaning) => {
-                Debug.assert(name !== undefined, "name should always be defined, and equal to " + outerName);
+                Debug.assertEqual(outerName, name, "name should equal outerName");
                 const symbol = getSymbol(symbols, name, meaning);
                 // Sometimes the symbol is found when location is a return type of a function: `typeof x` and `x` is declared in the body of the function
                 // So the table *contains* `x` but `x` isn't actually in scope.
