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src/vs/base/common/extpath.ts

@@ -6,7 +6,7 @@
 import { isWindows } from 'vs/base/common/platform';
 import { startsWithIgnoreCase, equalsIgnoreCase } from 'vs/base/common/strings';
 import { CharCode } from 'vs/base/common/charCode';
-import { sep } from 'vs/base/common/path';
+import { sep, posix } from 'vs/base/common/path';
 
 function isPathSeparator(code: number) {
 	return code === CharCode.Slash || code === CharCode.Backslash;
@@ -18,7 +18,7 @@ function isPathSeparator(code: number) {
  * Using it on a Linux or MaxOS path might change it.
  */
 export function toSlashes(osPath: string) {
-	return osPath.replace(/[\\/]/g, '/');
+	return osPath.replace(/[\\/]/g, posix.sep);
 }
 
 /**
@@ -26,7 +26,7 @@ export function toSlashes(osPath: string) {
  * `getRoot('files:///files/path') === files:///`,
  * or `getRoot('\\server\shares\path') === \\server\shares\`
  */
-export function getRoot(path: string, sep: string = '/'): string {
+export function getRoot(path: string, sep: string = posix.sep): string {
 
 	if (!path) {
 		return '';

src/vs/base/node/extfs.ts

@@ -219,7 +219,7 @@ export function del(path: string, tmpFolder: string, callback: (error: Error | n
 }
 
 function rmRecursive(path: string, callback: (error: Error | null) => void): void {
-	if (path === '\\' || path === '/') {
+	if (path === paths.win32.sep || path === paths.posix.sep) {
 		return callback(new Error('Will not delete root!'));
 	}
 
@@ -277,6 +277,10 @@ function rmRecursive(path: string, callback: (error: Error | null) => void): voi
 }
 
 export function delSync(path: string): void {
+	if (path === paths.win32.sep || path === paths.posix.sep) {
+		throw new Error('Will not delete root!');
+	}
+
 	try {
 		const stat = fs.lstatSync(path);
 		if (stat.isDirectory() && !stat.isSymbolicLink()) {