generate local storage for all exported names to avoid overwriting them via star exports

tests/baselines/reference/systemModule10.js

@@ -15,14 +15,14 @@ System.register(['file1', 'file2'], function(exports_1) {
     return {
         setters:[
             function (_file1_1) {
-                file1_1 = _file1_1
+                file1_1 = _file1_1;
                 exports_1("n", file1_1["default"]);
                 exports_1("n1", file1_1["default"]);
                 exports_1("x", file1_1.x);
                 exports_1("y", file1_1.x);
             },
             function (_n2) {
-                n2 = _n2
+                n2 = _n2;
                 exports_1("n2", n2);
                 exports_1("n3", n2);
             }],

tests/baselines/reference/systemModule10_ES5.js

@@ -15,14 +15,14 @@ System.register(['file1', 'file2'], function(exports_1) {
     return {
         setters:[
             function (_file1_1) {
-                file1_1 = _file1_1
+                file1_1 = _file1_1;
                 exports_1("n", file1_1.default);
                 exports_1("n1", file1_1.default);
                 exports_1("x", file1_1.x);
                 exports_1("y", file1_1.x);
             },
             function (_n2) {
-                n2 = _n2
+                n2 = _n2;
                 exports_1("n2", n2);
                 exports_1("n3", n2);
             }],

tests/baselines/reference/systemModule11.errors.txt

@@ -1,11 +1,49 @@
-tests/cases/compiler/systemModule11.ts(3,17): error TS2307: Cannot find external module 'bar'.
+tests/cases/compiler/file1.ts(7,15): error TS2307: Cannot find external module 'bar'.
+tests/cases/compiler/file2.ts(7,15): error TS2307: Cannot find external module 'bar'.
+tests/cases/compiler/file3.ts(2,25): error TS2307: Cannot find external module 'a'.
+tests/cases/compiler/file3.ts(3,15): error TS2307: Cannot find external module 'bar'.
+tests/cases/compiler/file4.ts(8,27): error TS2307: Cannot find external module 'a'.
 
 
-==== tests/cases/compiler/systemModule11.ts (1 errors) ====
+==== tests/cases/compiler/file1.ts (1 errors) ====
     
-    import 'foo'
-    import {f} from 'bar';
-                    ~~~~~
+    // set of tests cases that checks generation of local storage for exported names
+    
+    
+    export var x;
+    export function foo() {}
+    export * from 'bar';
+                  ~~~~~
 !!! error TS2307: Cannot find external module 'bar'.
     
-    f();
+==== tests/cases/compiler/file2.ts (1 errors) ====
+    
+    var x;
+    var y;
+    export {x};
+    export {y as y1}
+    
+    export * from 'bar';
+                  ~~~~~
+!!! error TS2307: Cannot find external module 'bar'.
+    
+==== tests/cases/compiler/file3.ts (2 errors) ====
+    
+    export {x, y as z} from 'a';
+                            ~~~
+!!! error TS2307: Cannot find external module 'a'.
+    export * from 'bar';
+                  ~~~~~
+!!! error TS2307: Cannot find external module 'bar'.
+    
+==== tests/cases/compiler/file4.ts (1 errors) ====
+    
+    export var x;
+    export function foo() {}
+    
+    var z, z1;
+    export {z, z1 as z2};
+    
+    export {s, s1 as s2} from 'a'
+                              ~~~
+!!! error TS2307: Cannot find external module 'a'.

tests/baselines/reference/systemModule11.js

@@ -1,21 +1,113 @@
-//// [systemModule11.ts]
-
-import 'foo'
-import {f} from 'bar';
-
-f();
+//// [tests/cases/compiler/systemModule11.ts] ////
 
-//// [systemModule11.js]
-System.register(['foo', 'bar'], function(exports_1) {
-    var bar_1;
+//// [file1.ts]
+
+// set of tests cases that checks generation of local storage for exported names
+
+
+export var x;
+export function foo() {}
+export * from 'bar';
+
+//// [file2.ts]
+
+var x;
+var y;
+export {x};
+export {y as y1}
+
+export * from 'bar';
+
+//// [file3.ts]
+
+export {x, y as z} from 'a';
+export * from 'bar';
+
+//// [file4.ts]
+
+export var x;
+export function foo() {}
+
+var z, z1;
+export {z, z1 as z2};
+
+export {s, s1 as s2} from 'a'
+
+//// [file1.js]
+// set of tests cases that checks generation of local storage for exported names
+System.register(['bar'], function(exports_1) {
+    var x;
+    function foo() { }
+    exports_1("foo", foo);
+    var exportedNames_1 = { 
+        'x': true,
+        'foo': true
+    };
     return {
         setters:[
-            function (_) {},
             function (_bar_1) {
-                bar_1 = _bar_1
+                for (var n in _bar_1)
+                    if (!exportedNames_1.hasOwnProperty(n)) exports_1(n, _bar_1[n]);
             }],
         execute: function() {
-            bar_1.f();
+            exports_1("x", x);
+        }
+    }
+});
+//// [file2.js]
+System.register(['bar'], function(exports_1) {
+    var x, y;
+    var exportedNames_1 = { 
+        'x': true,
+        'y1': true
+    };
+    return {
+        setters:[
+            function (_bar_1) {
+                for (var n in _bar_1)
+                    if (!exportedNames_1.hasOwnProperty(n)) exports_1(n, _bar_1[n]);
+            }],
+        execute: function() {
+            exports_1("x", x);
+            exports_1("y1", y);
+        }
+    }
+});
+//// [file3.js]
+System.register(['a', 'bar'], function(exports_1) {
+    var exportedNames_1 = { 
+        'x': true,
+        'z': true
+    };
+    return {
+        setters:[
+            function (_a_1) {
+                exports_1("x", _a_1["x"]);
+                exports_1("z", _a_1["y"]);
+            },
+            function (_bar_1) {
+                for (var n in _bar_1)
+                    if (!exportedNames_1.hasOwnProperty(n)) exports_1(n, _bar_1[n]);
+            }],
+        execute: function() {
+        }
+    }
+});
+//// [file4.js]
+System.register(['a'], function(exports_1) {
+    var x, z, z1;
+    function foo() { }
+    exports_1("foo", foo);
+    return {
+        setters:[
+            function (_a_1) {
+                exports_1("s", _a_1["s"]);
+                exports_1("s2", _a_1["s1"]);
+            }],
+        execute: function() {
+            exports_1("x", x);
+            exports_1("z", z);
+            exports_1("z2", z1);
         }
     }
 });

tests/baselines/reference/systemModule9.js

@@ -25,26 +25,31 @@ export {y as z};
 System.register(['file1', 'file2', 'file3', 'file4', 'file5', 'file6', 'file7'], function(exports_1) {
     var ns, file2_1, file3_1, file5_1, ns3;
     var x, y;
+    var exportedNames_1 = { 
+        'x': true,
+        'z': true
+    };
     return {
         setters:[
             function (_ns) {
-                ns = _ns
+                ns = _ns;
             },
             function (_file2_1) {
-                file2_1 = _file2_1
+                file2_1 = _file2_1;
             },
             function (_file3_1) {
-                file3_1 = _file3_1
+                file3_1 = _file3_1;
             },
             function (_) {},
             function (_file5_1) {
-                file5_1 = _file5_1
+                file5_1 = _file5_1;
             },
             function (_ns3) {
-                ns3 = _ns3
+                ns3 = _ns3;
             },
             function (_file7_1) {
-                for (var n in _file7_1) exports_1(n, _file7_1[n]);
+                for (var n in _file7_1)
+                    if (!exportedNames_1.hasOwnProperty(n)) exports_1(n, _file7_1[n]);
             }],
         execute: function() {
             ns.f();

tests/cases/compiler/systemModule11.ts

@@ -1,7 +1,34 @@
 // @module: system
 // @separateCompilation: true
 
-import 'foo'
-import {f} from 'bar';
+// set of tests cases that checks generation of local storage for exported names
 
-f();
+// @filename: file1.ts
+
+export var x;
+export function foo() {}
+export * from 'bar';
+
+// @filename: file2.ts
+
+var x;
+var y;
+export {x};
+export {y as y1}
+
+export * from 'bar';
+
+// @filename: file3.ts
+
+export {x, y as z} from 'a';
+export * from 'bar';
+
+// @filename: file4.ts
+
+export var x;
+export function foo() {}
+
+var z, z1;
+export {z, z1 as z2};
+
+export {s, s1 as s2} from 'a'