Enable declaration emit for import "mod" syntax

src/compiler/emitter.ts

@@ -766,6 +766,18 @@ module ts {
             }
         }
 
+        function emitImportDeclaration(node: ImportDeclaration) {
+            // TODO(shkamat): Do the changes so that we emit only if declaration is visible
+            emitJsDocComments(node);
+            if (node.flags & NodeFlags.Export) {
+                write("export ");
+            }
+            write("import ");
+            writeTextOfNode(currentSourceFile, node.moduleSpecifier);
+            write(";");
+            writer.writeLine();
+        }
+
         function emitModuleDeclaration(node: ModuleDeclaration) {
             if (resolver.isDeclarationVisible(node)) {
                 emitJsDocComments(node);
@@ -1483,6 +1495,8 @@ module ts {
                     return emitImportEqualsDeclaration(<ImportEqualsDeclaration>node);
                 case SyntaxKind.ExportAssignment:
                     return emitExportAssignment(<ExportAssignment>node);
+                case SyntaxKind.ImportDeclaration:
+                    return emitImportDeclaration(<ImportDeclaration>node);
                 case SyntaxKind.SourceFile:
                     return emitSourceFile(<SourceFile>node);
             }

tests/baselines/reference/es6ImportWithoutFromClause.js

@@ -5,9 +5,16 @@
 export var a = 10;
 
 //// [es6ImportWithoutFromClause_1.ts]
-import "es6ImportWithoutFromClause_0";
+import "es6ImportWithoutFromClause_0";
+
 
 //// [es6ImportWithoutFromClause_0.js]
 exports.a = 10;
 //// [es6ImportWithoutFromClause_1.js]
 require("es6ImportWithoutFromClause_0");
+
+
+//// [es6ImportWithoutFromClause_0.d.ts]
+export declare var a: number;
+//// [es6ImportWithoutFromClause_1.d.ts]
+import "es6ImportWithoutFromClause_0";

tests/baselines/reference/es6ImportWithoutFromClause.types

@@ -5,4 +5,5 @@ export var a = 10;
 
 === tests/cases/compiler/es6ImportWithoutFromClause_1.ts ===
 import "es6ImportWithoutFromClause_0";
+No type information for this code.
 No type information for this code.

tests/baselines/reference/es6ImportWithoutFromClauseAmd.js

@@ -0,0 +1,37 @@
+//// [tests/cases/compiler/es6ImportWithoutFromClauseAmd.ts] ////
+
+//// [es6ImportWithoutFromClauseAmd_0.ts]
+
+export var a = 10;
+
+//// [es6ImportWithoutFromClauseAmd_1.ts]
+export var b = 10;
+
+//// [es6ImportWithoutFromClauseAmd_2.ts]
+import "es6ImportWithoutFromClauseAmd_0"; 
+import "es6ImportWithoutFromClauseAmd_2";
+var _a = 10;
+var _b = 10;
+
+//// [es6ImportWithoutFromClauseAmd_0.js]
+define(["require", "exports"], function (require, exports) {
+    exports.a = 10;
+});
+//// [es6ImportWithoutFromClauseAmd_1.js]
+define(["require", "exports"], function (require, exports) {
+    exports.b = 10;
+});
+//// [es6ImportWithoutFromClauseAmd_2.js]
+define(["require", "exports", "es6ImportWithoutFromClauseAmd_0", "es6ImportWithoutFromClauseAmd_2"], function (require, exports, _c, _d) {
+    var _a = 10;
+    var _b = 10;
+});
+
+
+//// [es6ImportWithoutFromClauseAmd_0.d.ts]
+export declare var a: number;
+//// [es6ImportWithoutFromClauseAmd_1.d.ts]
+export declare var b: number;
+//// [es6ImportWithoutFromClauseAmd_2.d.ts]
+import "es6ImportWithoutFromClauseAmd_0";
+import "es6ImportWithoutFromClauseAmd_2";

tests/baselines/reference/es6ImportWithoutFromClauseAmd.types

@@ -0,0 +1,18 @@
+=== tests/cases/compiler/es6ImportWithoutFromClauseAmd_0.ts ===
+
+export var a = 10;
+>a : number
+
+=== tests/cases/compiler/es6ImportWithoutFromClauseAmd_1.ts ===
+export var b = 10;
+>b : number
+
+=== tests/cases/compiler/es6ImportWithoutFromClauseAmd_2.ts ===
+import "es6ImportWithoutFromClauseAmd_0"; 
+import "es6ImportWithoutFromClauseAmd_2";
+var _a = 10;
+>_a : number
+
+var _b = 10;
+>_b : number
+

tests/baselines/reference/es6ImportWithoutFromClauseInEs5.js

@@ -11,3 +11,9 @@ import "es6ImportWithoutFromClauseInEs5_0";
 exports.a = 10;
 //// [es6ImportWithoutFromClauseInEs5_1.js]
 require("es6ImportWithoutFromClauseInEs5_0");
+
+
+//// [es6ImportWithoutFromClauseInEs5_0.d.ts]
+export declare var a: number;
+//// [es6ImportWithoutFromClauseInEs5_1.d.ts]
+import "es6ImportWithoutFromClauseInEs5_0";

tests/baselines/reference/es6ImportWithoutFromClauseNonInstantiatedModule.js

@@ -0,0 +1,20 @@
+//// [tests/cases/compiler/es6ImportWithoutFromClauseNonInstantiatedModule.ts] ////
+
+//// [es6ImportWithoutFromClauseNonInstantiatedModule_0.ts]
+
+export interface i {
+}
+
+//// [es6ImportWithoutFromClauseNonInstantiatedModule_1.ts]
+import "es6ImportWithoutFromClauseNonInstantiatedModule_0";
+
+//// [es6ImportWithoutFromClauseNonInstantiatedModule_0.js]
+//// [es6ImportWithoutFromClauseNonInstantiatedModule_1.js]
+require("es6ImportWithoutFromClauseNonInstantiatedModule_0");
+
+
+//// [es6ImportWithoutFromClauseNonInstantiatedModule_0.d.ts]
+export interface i {
+}
+//// [es6ImportWithoutFromClauseNonInstantiatedModule_1.d.ts]
+import "es6ImportWithoutFromClauseNonInstantiatedModule_0";

tests/baselines/reference/es6ImportWithoutFromClauseNonInstantiatedModule.types

@@ -0,0 +1,9 @@
+=== tests/cases/compiler/es6ImportWithoutFromClauseNonInstantiatedModule_0.ts ===
+
+export interface i {
+>i : i
+}
+
+=== tests/cases/compiler/es6ImportWithoutFromClauseNonInstantiatedModule_1.ts ===
+import "es6ImportWithoutFromClauseNonInstantiatedModule_0";
+No type information for this code.

tests/cases/compiler/es6ImportWithoutFromClause.ts

@@ -1,8 +1,9 @@
 // @target: es6
 // @module: commonjs
+// @declaration: true
 
 // @filename: es6ImportWithoutFromClause_0.ts
 export var a = 10;
 
 // @filename: es6ImportWithoutFromClause_1.ts
-import "es6ImportWithoutFromClause_0";
+import "es6ImportWithoutFromClause_0";

tests/cases/compiler/es6ImportWithoutFromClauseAmd.ts

@@ -0,0 +1,14 @@
+// @module: amd
+// @declaration: true
+
+// @filename: es6ImportWithoutFromClauseAmd_0.ts
+export var a = 10;
+
+// @filename: es6ImportWithoutFromClauseAmd_1.ts
+export var b = 10;
+
+// @filename: es6ImportWithoutFromClauseAmd_2.ts
+import "es6ImportWithoutFromClauseAmd_0"; 
+import "es6ImportWithoutFromClauseAmd_2";
+var _a = 10;
+var _b = 10;

tests/cases/compiler/es6ImportWithoutFromClauseInEs5.ts

@@ -1,5 +1,6 @@
 // @target: es5
 // @module: commonjs
+// @declaration: true
 
 // @filename: es6ImportWithoutFromClauseInEs5_0.ts
 export var a = 10;

tests/cases/compiler/es6ImportWithoutFromClauseNonInstantiatedModule.ts

@@ -0,0 +1,10 @@
+// @target: es6
+// @module: commonjs
+// @declaration: true
+
+// @filename: es6ImportWithoutFromClauseNonInstantiatedModule_0.ts
+export interface i {
+}
+
+// @filename: es6ImportWithoutFromClauseNonInstantiatedModule_1.ts
+import "es6ImportWithoutFromClauseNonInstantiatedModule_0";