support var symbol renaming

Author: Atrue

src/collisions-resolver.ts

@@ -11,6 +11,7 @@ import { verboseLog } from './logger';
 
 const renamingSupportedSymbols: readonly ts.SymbolFlags[] = [
 	ts.SymbolFlags.Alias,
+	ts.SymbolFlags.FunctionScopedVariable,
 	ts.SymbolFlags.BlockScopedVariable,
 	ts.SymbolFlags.Class,
 	ts.SymbolFlags.Enum,

tests/e2e/test-cases/names-collision-across-files/file1.ts

@@ -2,6 +2,9 @@ const TEMPLATE = 'template1';
 export default TEMPLATE;
 
 export const MergedSymbol = '';
+
+export var Variable = 1;
+
 export interface MergedSymbol {
 	test(): void
 };

tests/e2e/test-cases/names-collision-across-files/file2.ts

@@ -2,6 +2,9 @@ const TEMPLATE = 'template2';
 export default TEMPLATE;
 
 export const MergedSymbol = '';
+
+export var Variable = '';
+
 export interface MergedSymbol {
 	test(): void
 };

tests/e2e/test-cases/names-collision-across-files/input.ts

@@ -10,6 +10,7 @@ export {
 	TypeName as T1,
 	func as f1,
 	NamespaceName as NS1,
+	Variable as V1,
 
 	// rename these to include them into import
 	AnotherInterface as AI1,
@@ -24,6 +25,7 @@ export {
 	TypeName as T2,
 	func as f2,
 	NamespaceName as NS2,
+	Variable as V2,
 
 	// yes, keep these without renaming so we can check that these aren't exported with wrong names
 	AnotherInterface,

tests/e2e/test-cases/names-collision-across-files/output.d.ts

@@ -25,6 +25,7 @@ declare namespace ExportEqNs$1 {
 }
 declare const TEMPLATE = "template1";
 declare const MergedSymbol = "";
+declare var Variable: number;
 interface MergedSymbol {
 	test(): void;
 }
@@ -43,6 +44,7 @@ declare namespace NamespaceName {
 }
 declare const TEMPLATE$1 = "template2";
 declare const MergedSymbol$1 = "";
+declare var Variable$1: string;
 interface MergedSymbol$1 {
 	test(): void;
 }
@@ -93,6 +95,8 @@ export {
 	TEMPLATE$1 as TEMPLATE2,
 	TypeName as T1,
 	TypeName$1 as T2,
+	Variable as V1,
+	Variable$1 as V2,
 	anotherFunc as af1,
 	anotherFunc$1 as anotherFunc,
 	func as f1,