For JavaScript files, we report semantic errors for using TypeScript-only constructs

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics1.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// import a = b;
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'import ... =' can only be used in a .ts file.",
     "start": 0,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics10.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// function F<T>() { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'type parameter declarations' can only be used in a .ts file.",
     "start": 11,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics11.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// function F(): number { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'types' can only be used in a .ts file.",
     "start": 14,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics12.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// declare var v;
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'declare' can only be used in a .ts file.",
     "start": 0,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics13.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// var v: () => number;
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'types' can only be used in a .ts file.",
     "start": 7,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics14.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// Foo<number>();
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'type arguments' can only be used in a .ts file.",
     "start": 4,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics15.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// function F(public p) { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'parameter modifiers' can only be used in a .ts file.",
     "start": 11,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics16.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// function F(p?) { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'?' can only be used in a .ts file.",
     "start": 12,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics17.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// function F(a: number) { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'types' can only be used in a .ts file.",
     "start": 14,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics18.ts

@@ -9,7 +9,7 @@
 ////}
 
 goTo.file("a.js");
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "\'public\' can only be used in a .ts file.",
     "start": 93,
@@ -25,7 +25,7 @@ verify.getSemanticDiagnostics(`[
 ////}
 
 goTo.file("b.js");
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'types' can only be used in a .ts file.",
     "start": 17,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics19.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// enum E { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'enum declarations' can only be used in a .ts file.",
     "start": 5,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics2.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// export = b;
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'export=' can only be used in a .ts file.",
     "start": 0,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics3.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// class C<T> { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'type parameter declarations' can only be used in a .ts file.",
     "start": 8,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics4.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// public class C { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'public' can only be used in a .ts file.",
     "start": 0,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics5.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// class C implements D { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'implements clauses' can only be used in a .ts file.",
     "start": 8,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics6.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// interface I { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'interface declarations' can only be used in a .ts file.",
     "start": 10,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics7.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// module M { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'module declarations' can only be used in a .ts file.",
     "start": 7,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics8.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// type a = b;
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'type aliases' can only be used in a .ts file.",
     "start": 5,

tests/cases/fourslash/getJavaScriptSyntacticDiagnostics9.ts

@@ -4,7 +4,7 @@
 // @Filename: a.js
 //// public function F() { }
 
-verify.getSemanticDiagnostics(`[
+verify.getSyntacticDiagnostics(`[
   {
     "message": "'public' can only be used in a .ts file.",
     "start": 0,

tests/cases/fourslash/server/getJavaScriptSyntacticDiagnostics02.ts

@@ -0,0 +1,40 @@
+/// <reference path="../fourslash.ts" />
+
+// @allowJs: true
+// @Filename: b.js
+//// var a = "a";
+//// var b: boolean = true;
+//// function foo(): string { }
+//// var var = "c";
+
+verify.getSyntacticDiagnostics(`[
+  {
+    "message": "Variable declaration expected.",
+    "start": 67,
+    "length": 3,
+    "category": "error",
+    "code": 1134
+  },
+  {
+    "message": "Variable declaration expected.",
+    "start": 71,
+    "length": 1,
+    "category": "error",
+    "code": 1134
+  },
+  {
+    "message": "Variable declaration expected.",
+    "start": 73,
+    "length": 3,
+    "category": "error",
+    "code": 1134
+  },
+  {
+    "message": "\'types\' can only be used in a .ts file.",
+    "start": 20,
+    "length": 7,
+    "category": "error",
+    "code": 8010
+  }
+]`);
+verify.getSemanticDiagnostics(`[]`);