Don't change global keyword to namespace in transformModuleDeclaration

internal/transformers/declarations/transform.go

@@ -1167,7 +1167,7 @@ func (tx *DeclarationTransformer) transformModuleDeclaration(input *ast.ModuleDe
 	tx.needsDeclare = false
 	inner := input.Body
 	keyword := input.Keyword
-	if input.Name() == nil || !ast.IsStringLiteral(input.Name()) {
+	if keyword != ast.KindGlobalKeyword && (input.Name() == nil || !ast.IsStringLiteral(input.Name())) {
 		keyword = ast.KindNamespaceKeyword
 	}
 

testdata/baselines/reference/submodule/compiler/declarationEmitRetainsJsdocyComments.js

@@ -113,12 +113,11 @@ export declare class Foo {
      */
     bar(s: number): void;
 }
-declare namespace global {
+declare global {
     interface ExtFunc {
         /**
         * comment6
         */
         someMethod(collection: any[]): boolean;
     }
 }
-export {};

testdata/baselines/reference/submodule/compiler/declarationEmitRetainsJsdocyComments.js.diff

@@ -38,13 +38,6 @@
 -* comment5
 -*/
 -someMethod: any;
--declare global {
-+declare namespace global {
+ declare global {
      interface ExtFunc {
-         /**
-         * comment6
-@@= skipped -13, +8 lines =@@
-         someMethod(collection: any[]): boolean;
-     }
- }
-+export {};
+         /**

testdata/baselines/reference/submodule/compiler/moduleAugmentationGlobal1.js

@@ -39,9 +39,8 @@ export declare class A {
 //// [f2.d.ts]
 import { A } from "./f1";
 // change the shape of Array<T>
-declare namespace global {
+declare global {
     interface Array<T> {
         getA(): A;
     }
 }
-export {};

testdata/baselines/reference/submodule/compiler/moduleAugmentationGlobal1.js.diff

@@ -12,11 +12,7 @@
  }
  //// [f2.d.ts]
  import { A } from "./f1";
--declare global {
 +// change the shape of Array<T>
-+declare namespace global {
+ declare global {
      interface Array<T> {
-         getA(): A;
-     }
- }
-+export {};
+         getA(): A;

testdata/baselines/reference/submodule/compiler/moduleAugmentationGlobal2.js

@@ -35,7 +35,7 @@ let y = x.getCountAsString().toLowerCase();
 export declare class A {
 }
 //// [f2.d.ts]
-declare namespace global {
+declare global {
     interface Array<T> {
         getCountAsString(): string;
     }

testdata/baselines/reference/submodule/compiler/moduleAugmentationGlobal3.js

@@ -42,7 +42,7 @@ let y = x.getCountAsString().toLowerCase();
 export declare class A {
 }
 //// [f2.d.ts]
-declare namespace global {
+declare global {
     interface Array<T> {
         getCountAsString(): string;
     }

testdata/baselines/reference/submodule/compiler/moduleAugmentationGlobal4.js

@@ -30,14 +30,14 @@ require("./f2");
 
 
 //// [f1.d.ts]
-declare namespace global {
+declare global {
     interface Something {
         x: any;
     }
 }
 export {};
 //// [f2.d.ts]
-declare namespace global {
+declare global {
     interface Something {
         y: any;
     }

testdata/baselines/reference/submodule/compiler/moduleDeclarationExportStarShadowingGlobalIsNameable.js

@@ -65,7 +65,7 @@ export { Account2 as Acc };
 //// [index.d.ts]
 export * from "./account";
 //// [index.d.ts]
-declare namespace global {
+declare global {
     interface Account {
         someProp: number;
     }
@@ -75,4 +75,3 @@ declare namespace global {
 }
 import * as model from "./model";
 export declare const func: (account: model.Account, acc2: model.Acc) => void;
-export {};

testdata/baselines/reference/submodule/conformance/leaveOptionalParameterAsWritten.js

@@ -24,13 +24,12 @@ export interface Foo {
 }
 //// [b.d.ts]
 import * as a from "./a";
-declare namespace global {
+declare global {
     namespace teams {
         namespace calling {
             export import Foo = a.Foo;
         }
     }
 }
-export {};
 //// [c.d.ts]
 export declare const bar: (p?: import("./a").Foo | undefined) => void;

testdata/baselines/reference/submodule/conformance/leaveOptionalParameterAsWritten.js.diff

@@ -1,20 +1,10 @@
 --- old.leaveOptionalParameterAsWritten.js
 +++ new.leaveOptionalParameterAsWritten.js
-@@= skipped -23, +23 lines =@@
- }
- //// [b.d.ts]
- import * as a from "./a";
--declare global {
-+declare namespace global {
-     namespace teams {
-         namespace calling {
-             export import Foo = a.Foo;
-         }
+@@= skipped -31, +31 lines =@@
      }
  }
--//// [c.d.ts]
+ //// [c.d.ts]
 -type Foo = teams.calling.Foo;
 -export declare const bar: (p?: Foo) => void;
- export {};
-+//// [c.d.ts]
+-export {};
 +export declare const bar: (p?: import("./a").Foo | undefined) => void;

testdata/baselines/reference/submodule/conformance/symbolProperty61.js

@@ -53,7 +53,7 @@ from(new MyObservable(42));
 
 
 //// [symbolProperty61.d.ts]
-declare namespace global {
+declare global {
     interface SymbolConstructor {
         readonly obs: symbol;
     }
@@ -64,4 +64,3 @@ export declare class MyObservable<T> {
     constructor(_val: T);
     subscribe(next: (val: T) => void): void;
 }
-export {};

testdata/baselines/reference/submodule/conformance/symbolProperty61.js.diff

@@ -8,13 +8,7 @@
      constructor(_val) {
          this._val = _val;
      }
-@@= skipped -17, +18 lines =@@
-
-
- //// [symbolProperty61.d.ts]
--declare global {
-+declare namespace global {
-     interface SymbolConstructor {
+@@= skipped -22, +23 lines =@@
          readonly obs: symbol;
      }
  }
@@ -26,4 +20,4 @@
      subscribe(next: (val: T) => void): void;
 -    [observable](): this;
  }
- export {};
+-export {};