microsoft
diff --git a/‎lib/tsc.js
Lines changed: 19 additions & 10 deletions b/‎lib/tsc.js
Lines changed: 19 additions & 10 deletions
@@ -69,7 +69,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
 var ts;
 (function (ts) {
     ts.versionMajorMinor = "4.5";
-    ts.version = "4.5.4";
+    ts.version = "4.5.5";
     var NativeCollections;
     (function (NativeCollections) {
         function tryGetNativeMap() {
@@ -12247,7 +12247,7 @@ var ts;
     }
     ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression;
     function getExternalModuleRequireArgument(node) {
-        return isRequireVariableDeclaration(node) && getLeftmostAccessExpression(node.initializer).arguments[0];
+        return isVariableDeclarationInitializedToBareOrAccessedRequire(node) && getLeftmostAccessExpression(node.initializer).arguments[0];
     }
     ts.getExternalModuleRequireArgument = getExternalModuleRequireArgument;
     function isInternalModuleImportEqualsDeclaration(node) {
@@ -12301,17 +12301,26 @@ var ts;
         return !requireStringLiteralLikeArgument || ts.isStringLiteralLike(arg);
     }
     ts.isRequireCall = isRequireCall;
-    function isRequireVariableDeclaration(node) {
+    function isVariableDeclarationInitializedToRequire(node) {
+        return isVariableDeclarationInitializedWithRequireHelper(node, false);
+    }
+    ts.isVariableDeclarationInitializedToRequire = isVariableDeclarationInitializedToRequire;
+    function isVariableDeclarationInitializedToBareOrAccessedRequire(node) {
+        return isVariableDeclarationInitializedWithRequireHelper(node, true);
+    }
+    ts.isVariableDeclarationInitializedToBareOrAccessedRequire = isVariableDeclarationInitializedToBareOrAccessedRequire;
+    function isVariableDeclarationInitializedWithRequireHelper(node, allowAccessedRequire) {
         if (node.kind === 202) {
             node = node.parent.parent;
         }
-        return ts.isVariableDeclaration(node) && !!node.initializer && isRequireCall(getLeftmostAccessExpression(node.initializer), true);
+        return ts.isVariableDeclaration(node) &&
+            !!node.initializer &&
+            isRequireCall(allowAccessedRequire ? getLeftmostAccessExpression(node.initializer) : node.initializer, true);
     }
-    ts.isRequireVariableDeclaration = isRequireVariableDeclaration;
     function isRequireVariableStatement(node) {
         return ts.isVariableStatement(node)
             && node.declarationList.declarations.length > 0
-            && ts.every(node.declarationList.declarations, function (decl) { return isRequireVariableDeclaration(decl); });
+            && ts.every(node.declarationList.declarations, function (decl) { return isVariableDeclarationInitializedToRequire(decl); });
     }
     ts.isRequireVariableStatement = isRequireVariableStatement;
     function isSingleOrDoubleQuote(charCode) {
@@ -37770,7 +37779,7 @@ var ts;
                 checkStrictModeEvalOrArguments(node, node.name);
             }
             if (!ts.isBindingPattern(node.name)) {
-                if (ts.isInJSFile(node) && ts.isRequireVariableDeclaration(node) && !ts.getJSDocTypeTag(node)) {
+                if (ts.isInJSFile(node) && ts.isVariableDeclarationInitializedToBareOrAccessedRequire(node) && !ts.getJSDocTypeTag(node)) {
                     declareSymbolAndAddToSymbolTable(node, 2097152, 2097152);
                 }
                 else if (ts.isBlockOrCatchScoped(node)) {
@@ -40045,7 +40054,7 @@ var ts;
                     && isAliasableOrJsExpression(node.parent.right)
                 || node.kind === 295
                 || node.kind === 294 && isAliasableOrJsExpression(node.initializer)
-                || ts.isRequireVariableDeclaration(node);
+                || ts.isVariableDeclarationInitializedToBareOrAccessedRequire(node);
         }
         function isAliasableOrJsExpression(e) {
             return ts.isAliasableExpression(e) || ts.isFunctionExpression(e) && isJSConstructor(e);
@@ -40901,7 +40910,7 @@ var ts;
                         if (!sigs || !sigs.length) {
                             sigs = getSignaturesOfStructuredType(type, 1);
                         }
-                        if ((sigs && sigs.length) || getPropertyOfType(type, "default")) {
+                        if ((sigs && sigs.length) || getPropertyOfType(type, "default", true)) {
                             var moduleType = getTypeWithSyntheticDefaultImportType(type, symbol, moduleSymbol, reference);
                             return cloneTypeAsModuleType(symbol, moduleType, referenceParent);
                         }
@@ -67235,7 +67244,7 @@ var ts;
                 return;
             }
             var symbol = getSymbolOfNode(node);
-            if (symbol.flags & 2097152 && ts.isRequireVariableDeclaration(node)) {
+            if (symbol.flags & 2097152 && ts.isVariableDeclarationInitializedToBareOrAccessedRequire(node)) {
                 checkAliasSymbol(node);
                 return;
             }