paths: fix dirname for paths that end in slash. Explorer model fix find for...

paths: fix dirname for paths that end in slash. Explorer model fix find for paths ending with extra slashes

fixes microsoft/vscode-cascade#57

src/vs/base/common/paths.ts

@@ -27,6 +27,8 @@ export function dirname(path: string): string {
 		return '.';
 	} else if (~idx === 0) {
 		return path[0];
+	} else if (~idx === path.length - 1) {
+		return dirname(path.substring(0, path.length - 1));
 	} else {
 		let res = path.substring(0, ~idx);
 		if (isWindows && res[res.length - 1] === ':') {
@@ -395,4 +397,4 @@ export function isAbsolute_win32(path: string): boolean {
 
 export function isAbsolute_posix(path: string): boolean {
 	return path && path.charCodeAt(0) === CharCode.Slash;
-}
\ No newline at end of file
+}

src/vs/base/test/common/paths.test.ts

@@ -20,6 +20,7 @@ suite('Paths', () => {
 		assert.equal(paths.dirname('/'), '/');
 		assert.equal(paths.dirname('\\'), '\\');
 		assert.equal(paths.dirname('foo'), '.');
+		assert.equal(paths.dirname('/folder/'), '/');
 		if (platform.isWindows) {
 			assert.equal(paths.dirname('c:\\some\\file.txt'), 'c:\\some');
 			assert.equal(paths.dirname('c:\\some'), 'c:\\');
@@ -226,4 +227,4 @@ suite('Paths', () => {
 			assert.ok(!paths.isAbsolute_posix(nonAbsolutePath), nonAbsolutePath);
 		});
 	});
-});
\ No newline at end of file
+});

src/vs/workbench/parts/files/common/explorerModel.ts

@@ -17,7 +17,7 @@ import { IEditorGroup, toResource, IEditorIdentifier } from 'vs/workbench/common
 import { IDisposable, dispose } from 'vs/base/common/lifecycle';
 import { getPathLabel } from 'vs/base/common/labels';
 import { Schemas } from 'vs/base/common/network';
-import { startsWith, startsWithIgnoreCase, equalsIgnoreCase } from 'vs/base/common/strings';
+import { startsWith, startsWithIgnoreCase, equalsIgnoreCase, rtrim } from 'vs/base/common/strings';
 
 export class Model {
 
@@ -345,10 +345,7 @@ export class ExplorerItem {
 	}
 
 	private findByPath(path: string, index: number): ExplorerItem {
-		if (this.resource.path === path) {
-			return this;
-		}
-		if (!isLinux && equalsIgnoreCase(this.resource.path, path)) {
+		if (paths.isEqual(rtrim(this.resource.path, paths.sep), rtrim(path, paths.sep), !isLinux)) {
 			return this;
 		}
 

src/vs/workbench/parts/files/test/electron-browser/explorerModel.test.ts

@@ -156,6 +156,7 @@ suite('Files - View Model', () => {
 		assert.strictEqual(s1.find(toResource('foobar')), null);
 
 		assert.strictEqual(s1.find(toResource('/')), s1);
+		assert.strictEqual(s1.find(toResource('')), s1);
 	});
 
 	test('Find with mixed case', function () {