Merge pull request #16631 from Microsoft/fix13721

Emit class annotation comment on downlevel classes
microsoft · Aug 14, 2017 · ea7c7d3 · ea7c7d3
2 parents d03d107 + 660a63d
commit ea7c7d3
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diff --git a/src/compiler/transformers/es2015.ts b/src/compiler/transformers/es2015.ts
@@ -840,7 +840,7 @@ namespace ts {
             outer.end = skipTrivia(currentText, node.pos);
             setEmitFlags(outer, EmitFlags.NoComments);
 
-            return createParen(
+            const result = createParen(
                 createCall(
                     outer,
                     /*typeArguments*/ undefined,
@@ -849,6 +849,8 @@ namespace ts {
                         : []
                 )
             );
+            addSyntheticLeadingComment(result, SyntaxKind.MultiLineCommentTrivia, "* @class ");
+            return result;
         }
 
         /**

diff --git a/tests/baselines/reference/2dArrays.js b/tests/baselines/reference/2dArrays.js
@@ -16,17 +16,17 @@ class Board {
 }
 
 //// [2dArrays.js]
-var Cell = (function () {
+var Cell = /** @class */ (function () {
     function Cell() {
     }
     return Cell;
 }());
-var Ship = (function () {
+var Ship = /** @class */ (function () {
     function Ship() {
     }
     return Ship;
 }());
-var Board = (function () {
+var Board = /** @class */ (function () {
     function Board() {
     }
     Board.prototype.allShipsSunk = function () {

diff --git a/tests/baselines/reference/AmbientModuleAndNonAmbientClassWithSameNameAndCommonRoot.js b/tests/baselines/reference/AmbientModuleAndNonAmbientClassWithSameNameAndCommonRoot.js
@@ -25,7 +25,7 @@ var p = new A.Point(0, 0); // unexpected error here, bug 840000
 //// [classPoint.js]
 var A;
 (function (A) {
-    var Point = (function () {
+    var Point = /** @class */ (function () {
         function Point(x, y) {
             this.x = x;
             this.y = y;

diff --git a/.../baselines/reference/ClassAndModuleThatMergeWithModuleMemberThatUsesClassTypeParameter.js b/.../baselines/reference/ClassAndModuleThatMergeWithModuleMemberThatUsesClassTypeParameter.js
@@ -51,42 +51,42 @@ module clodule4 {
 
 //// [ClassAndModuleThatMergeWithModuleMemberThatUsesClassTypeParameter.js]
 // all expected to be errors
-var clodule1 = (function () {
+var clodule1 = /** @class */ (function () {
     function clodule1() {
     }
     return clodule1;
 }());
 (function (clodule1) {
     function f(x) { }
 })(clodule1 || (clodule1 = {}));
-var clodule2 = (function () {
+var clodule2 = /** @class */ (function () {
     function clodule2() {
     }
     return clodule2;
 }());
 (function (clodule2) {
     var x;
-    var D = (function () {
+    var D = /** @class */ (function () {
         function D() {
         }
         return D;
     }());
 })(clodule2 || (clodule2 = {}));
-var clodule3 = (function () {
+var clodule3 = /** @class */ (function () {
     function clodule3() {
     }
     return clodule3;
 }());
 (function (clodule3) {
     clodule3.y = { id: T };
 })(clodule3 || (clodule3 = {}));
-var clodule4 = (function () {
+var clodule4 = /** @class */ (function () {
     function clodule4() {
     }
     return clodule4;
 }());
 (function (clodule4) {
-    var D = (function () {
+    var D = /** @class */ (function () {
         function D() {
         }
         return D;

diff --git a/...eThatMergeWithModulesExportedGenericFunctionAndGenericClassStaticFunctionOfTheSameName.js b/...eThatMergeWithModulesExportedGenericFunctionAndGenericClassStaticFunctionOfTheSameName.js
@@ -16,7 +16,7 @@ module clodule {
 
 
 //// [ClassAndModuleThatMergeWithModulesExportedGenericFunctionAndGenericClassStaticFunctionOfTheSameName.js]
-var clodule = (function () {
+var clodule = /** @class */ (function () {
     function clodule() {
     }
     clodule.fn = function (id) { };

diff --git a/...atMergeWithModulesExportedGenericFunctionAndNonGenericClassStaticFunctionOfTheSameName.js b/...atMergeWithModulesExportedGenericFunctionAndNonGenericClassStaticFunctionOfTheSameName.js
@@ -16,7 +16,7 @@ module clodule {
 
 
 //// [ClassAndModuleThatMergeWithModulesExportedGenericFunctionAndNonGenericClassStaticFunctionOfTheSameName.js]
-var clodule = (function () {
+var clodule = /** @class */ (function () {
     function clodule() {
     }
     clodule.fn = function (id) { };

diff --git a/...rence/ClassAndModuleThatMergeWithModulesExportedStaticFunctionUsingClassPrivateStatics.js b/...rence/ClassAndModuleThatMergeWithModulesExportedStaticFunctionUsingClassPrivateStatics.js
@@ -16,7 +16,7 @@ module clodule {
 
 
 //// [ClassAndModuleThatMergeWithModulesExportedStaticFunctionUsingClassPrivateStatics.js]
-var clodule = (function () {
+var clodule = /** @class */ (function () {
     function clodule() {
     }
     clodule.sfn = function (id) { return 42; };

diff --git a/...s/reference/ClassAndModuleThatMergeWithStaticFunctionAndExportedFunctionThatShareAName.js b/...s/reference/ClassAndModuleThatMergeWithStaticFunctionAndExportedFunctionThatShareAName.js
@@ -23,7 +23,7 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticFunctionAndExportedFunctionThatShareAName.js]
-var Point = (function () {
+var Point = /** @class */ (function () {
     function Point(x, y) {
         this.x = x;
         this.y = y;
@@ -37,7 +37,7 @@ var Point = (function () {
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = (function () {
+    var Point = /** @class */ (function () {
         function Point(x, y) {
             this.x = x;
             this.y = y;

diff --git a/...eference/ClassAndModuleThatMergeWithStaticFunctionAndNonExportedFunctionThatShareAName.js b/...eference/ClassAndModuleThatMergeWithStaticFunctionAndNonExportedFunctionThatShareAName.js
@@ -23,7 +23,7 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticFunctionAndNonExportedFunctionThatShareAName.js]
-var Point = (function () {
+var Point = /** @class */ (function () {
     function Point(x, y) {
         this.x = x;
         this.y = y;
@@ -36,7 +36,7 @@ var Point = (function () {
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = (function () {
+    var Point = /** @class */ (function () {
         function Point(x, y) {
             this.x = x;
             this.y = y;

diff --git a/...elines/reference/ClassAndModuleThatMergeWithStaticVariableAndExportedVarThatShareAName.js b/...elines/reference/ClassAndModuleThatMergeWithStaticVariableAndExportedVarThatShareAName.js
@@ -23,7 +23,7 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticVariableAndExportedVarThatShareAName.js]
-var Point = (function () {
+var Point = /** @class */ (function () {
     function Point(x, y) {
         this.x = x;
         this.y = y;
@@ -36,7 +36,7 @@ var Point = (function () {
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = (function () {
+    var Point = /** @class */ (function () {
         function Point(x, y) {
             this.x = x;
             this.y = y;

diff --git a/...nes/reference/ClassAndModuleThatMergeWithStaticVariableAndNonExportedVarThatShareAName.js b/...nes/reference/ClassAndModuleThatMergeWithStaticVariableAndNonExportedVarThatShareAName.js
@@ -23,7 +23,7 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticVariableAndNonExportedVarThatShareAName.js]
-var Point = (function () {
+var Point = /** @class */ (function () {
     function Point(x, y) {
         this.x = x;
         this.y = y;
@@ -36,7 +36,7 @@ var Point = (function () {
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = (function () {
+    var Point = /** @class */ (function () {
         function Point(x, y) {
             this.x = x;
             this.y = y;

diff --git a/tests/baselines/reference/ClassAndModuleWithSameNameAndCommonRoot.js b/tests/baselines/reference/ClassAndModuleWithSameNameAndCommonRoot.js
@@ -45,7 +45,7 @@ var X;
 (function (X) {
     var Y;
     (function (Y) {
-        var Point = (function () {
+        var Point = /** @class */ (function () {
             function Point(x, y) {
                 this.x = x;
                 this.y = y;
@@ -71,7 +71,7 @@ var X;
 var cl = new X.Y.Point(1, 1);
 var cl = X.Y.Point.Origin; // error not expected here same as bug 83996 ?
 //// [simple.js]
-var A = (function () {
+var A = /** @class */ (function () {
     function A() {
     }
     return A;

diff --git a/tests/baselines/reference/ClassDeclaration10.js b/tests/baselines/reference/ClassDeclaration10.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclaration10.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     return C;

diff --git a/tests/baselines/reference/ClassDeclaration11.js b/tests/baselines/reference/ClassDeclaration11.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclaration11.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype.foo = function () { };

diff --git a/tests/baselines/reference/ClassDeclaration13.js b/tests/baselines/reference/ClassDeclaration13.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclaration13.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype.bar = function () { };

diff --git a/tests/baselines/reference/ClassDeclaration14.js b/tests/baselines/reference/ClassDeclaration14.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclaration14.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     return C;

diff --git a/tests/baselines/reference/ClassDeclaration15.js b/tests/baselines/reference/ClassDeclaration15.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclaration15.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     return C;

diff --git a/tests/baselines/reference/ClassDeclaration21.js b/tests/baselines/reference/ClassDeclaration21.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclaration21.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype[1] = function () { };

diff --git a/tests/baselines/reference/ClassDeclaration22.js b/tests/baselines/reference/ClassDeclaration22.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclaration22.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype["bar"] = function () { };

diff --git a/tests/baselines/reference/ClassDeclaration24.js b/tests/baselines/reference/ClassDeclaration24.js
@@ -3,7 +3,7 @@ class any {
 }
 
 //// [ClassDeclaration24.js]
-var any = (function () {
+var any = /** @class */ (function () {
     function any() {
     }
     return any;

diff --git a/tests/baselines/reference/ClassDeclaration25.js b/tests/baselines/reference/ClassDeclaration25.js
@@ -10,7 +10,7 @@ class List<U> implements IList<U> {
 
 
 //// [ClassDeclaration25.js]
-var List = (function () {
+var List = /** @class */ (function () {
     function List() {
     }
     return List;

diff --git a/tests/baselines/reference/ClassDeclaration26.js b/tests/baselines/reference/ClassDeclaration26.js
@@ -6,7 +6,7 @@ class C {
 }
 
 //// [ClassDeclaration26.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
         this.foo = 10;
     }

diff --git a/tests/baselines/reference/ClassDeclaration8.js b/tests/baselines/reference/ClassDeclaration8.js
@@ -4,7 +4,7 @@ class C {
 }
 
 //// [ClassDeclaration8.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     return C;

diff --git a/tests/baselines/reference/ClassDeclaration9.js b/tests/baselines/reference/ClassDeclaration9.js
@@ -4,7 +4,7 @@ class C {
 }
 
 //// [ClassDeclaration9.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     return C;

diff --git a/tests/baselines/reference/ClassDeclarationWithInvalidConstOnPropertyDeclaration.js b/tests/baselines/reference/ClassDeclarationWithInvalidConstOnPropertyDeclaration.js
@@ -4,7 +4,7 @@ class AtomicNumbers {
 }
 
 //// [ClassDeclarationWithInvalidConstOnPropertyDeclaration.js]
-var AtomicNumbers = (function () {
+var AtomicNumbers = /** @class */ (function () {
     function AtomicNumbers() {
     }
     AtomicNumbers.H = 1;

diff --git a/tests/baselines/reference/ClassDeclarationWithInvalidConstOnPropertyDeclaration2.js b/tests/baselines/reference/ClassDeclarationWithInvalidConstOnPropertyDeclaration2.js
@@ -5,7 +5,7 @@ class C {
 }
 
 //// [ClassDeclarationWithInvalidConstOnPropertyDeclaration2.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
         this.x = 10;
     }

diff --git a/tests/baselines/reference/ES5For-ofTypeCheck10.js b/tests/baselines/reference/ES5For-ofTypeCheck10.js
@@ -16,7 +16,7 @@ for (var v of new StringIterator) { }
 
 //// [ES5For-ofTypeCheck10.js]
 // In ES3/5, you cannot for...of over an arbitrary iterable.
-var StringIterator = (function () {
+var StringIterator = /** @class */ (function () {
     function StringIterator() {
     }
     StringIterator.prototype.next = function () {

diff --git a/tests/baselines/reference/ES5SymbolProperty2.js b/tests/baselines/reference/ES5SymbolProperty2.js
@@ -14,7 +14,7 @@ module M {
 var M;
 (function (M) {
     var Symbol;
-    var C = (function () {
+    var C = /** @class */ (function () {
         function C() {
         }
         C.prototype[Symbol.iterator] = function () { };

diff --git a/tests/baselines/reference/ES5SymbolProperty3.js b/tests/baselines/reference/ES5SymbolProperty3.js
@@ -9,7 +9,7 @@ class C {
 
 //// [ES5SymbolProperty3.js]
 var Symbol;
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype[Symbol.iterator] = function () { };

diff --git a/tests/baselines/reference/ES5SymbolProperty4.js b/tests/baselines/reference/ES5SymbolProperty4.js
@@ -9,7 +9,7 @@ class C {
 
 //// [ES5SymbolProperty4.js]
 var Symbol;
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype[Symbol.iterator] = function () { };

diff --git a/tests/baselines/reference/ES5SymbolProperty5.js b/tests/baselines/reference/ES5SymbolProperty5.js
@@ -9,7 +9,7 @@ class C {
 
 //// [ES5SymbolProperty5.js]
 var Symbol;
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype[Symbol.iterator] = function () { };

diff --git a/tests/baselines/reference/ES5SymbolProperty6.js b/tests/baselines/reference/ES5SymbolProperty6.js
@@ -6,7 +6,7 @@ class C {
 (new C)[Symbol.iterator]
 
 //// [ES5SymbolProperty6.js]
-var C = (function () {
+var C = /** @class */ (function () {
     function C() {
     }
     C.prototype[Symbol.iterator] = function () { };