Editors - pathsToEditors should ignore folders

src/vs/platform/windows/common/windows.ts

@@ -9,6 +9,7 @@ import { URI, UriComponents } from 'vs/base/common/uri';
 import { ISandboxConfiguration } from 'vs/base/parts/sandbox/common/sandboxTypes';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { NativeParsedArgs } from 'vs/platform/environment/common/argv';
+import { FileType } from 'vs/platform/files/common/files';
 import { LogLevel } from 'vs/platform/log/common/log';
 import { ISingleFolderWorkspaceIdentifier, IWorkspaceIdentifier } from 'vs/platform/workspaces/common/workspaces';
 
@@ -187,13 +188,19 @@ export interface IPathData {
 
 	// a hint that the file exists. if true, the
 	// file exists, if false it does not. with
-	// undefined the state is unknown.
+	// `undefined` the state is unknown.
 	readonly exists?: boolean;
 
-	// Specifies if the file should be only be opened if it exists
+	// a hint about the file type of this path.
+	// with `undefined` the type is unknown.
+	readonly type?: FileType;
+
+	// Specifies if the file should be only be opened
+	// if it exists
 	readonly openOnlyIfExists?: boolean;
 
-	// Specifies an optional id to override the editor used to edit the resource, e.g. custom editor.
+	// Specifies an optional id to override the editor
+	// used to edit the resource, e.g. custom editor.
 	readonly editorOverrideId?: string;
 }
 

src/vs/platform/windows/electron-main/windowsMainService.ts

@@ -29,7 +29,7 @@ import { IConfigurationService } from 'vs/platform/configuration/common/configur
 import { IDialogMainService } from 'vs/platform/dialogs/electron-main/dialogMainService';
 import { NativeParsedArgs } from 'vs/platform/environment/common/argv';
 import { IEnvironmentMainService } from 'vs/platform/environment/electron-main/environmentMainService';
-import { IFileService } from 'vs/platform/files/common/files';
+import { FileType, IFileService } from 'vs/platform/files/common/files';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
 import { ILifecycleMainService } from 'vs/platform/lifecycle/electron-main/lifecycleMainService';
 import { ILogService } from 'vs/platform/log/common/log';
@@ -988,21 +988,29 @@ export class WindowsMainService extends Disposable implements IWindowsMainServic
 							return undefined;
 						}
 
-						return { workspace: { id: workspace.id, configPath: workspace.configPath }, remoteAuthority: workspace.remoteAuthority, exists: true, transient: workspace.transient };
+						return {
+							workspace: { id: workspace.id, configPath: workspace.configPath },
+							type: FileType.File,
+							exists: true,
+							remoteAuthority: workspace.remoteAuthority,
+							transient: workspace.transient
+						};
 					}
 				}
 
 				return {
 					fileUri: URI.file(path),
-					selection: lineNumber ? { startLineNumber: lineNumber, startColumn: columnNumber || 1 } : undefined,
-					exists: true
+					type: FileType.File,
+					exists: true,
+					selection: lineNumber ? { startLineNumber: lineNumber, startColumn: columnNumber || 1 } : undefined
 				};
 			}
 
 			// Folder
 			else if (pathStat.isDirectory()) {
 				return {
 					workspace: getSingleFolderWorkspaceIdentifier(URI.file(path), pathStat),
+					type: FileType.Directory,
 					exists: true
 				};
 			}
@@ -1014,6 +1022,7 @@ export class WindowsMainService extends Disposable implements IWindowsMainServic
 			else if (!isWindows && path === '/dev/null') {
 				return {
 					fileUri: URI.file(path),
+					type: FileType.File,
 					exists: true
 				};
 			}
@@ -1027,6 +1036,7 @@ export class WindowsMainService extends Disposable implements IWindowsMainServic
 			if (options.ignoreFileNotFound) {
 				return {
 					fileUri,
+					type: FileType.File,
 					exists: false
 				};
 			}

src/vs/workbench/common/editor.ts

@@ -17,7 +17,7 @@ import { Registry } from 'vs/platform/registry/common/platform';
 import { IEncodingSupport, IModeSupport } from 'vs/workbench/services/textfile/common/textfiles';
 import { IEditorGroup } from 'vs/workbench/services/editor/common/editorGroupsService';
 import { ICompositeControl, IComposite } from 'vs/workbench/common/composite';
-import { IFileService } from 'vs/platform/files/common/files';
+import { FileType, IFileService } from 'vs/platform/files/common/files';
 import { IPathData } from 'vs/platform/windows/common/windows';
 import { coalesce } from 'vs/base/common/arrays';
 import { IExtUri } from 'vs/base/common/resources';
@@ -1138,11 +1138,25 @@ export async function pathsToEditors(paths: IPathData[] | undefined, fileService
 			return;
 		}
 
-		const exists = (typeof path.exists === 'boolean') ? path.exists : await fileService.exists(resource);
+		let exists = path.exists;
+		let type = path.type;
+		if (typeof exists !== 'boolean' || typeof type !== 'number') {
+			try {
+				type = (await fileService.resolve(resource)).isFile ? FileType.File : FileType.Unknown;
+				exists = true;
+			} catch {
+				exists = false;
+			}
+		}
+
 		if (!exists && path.openOnlyIfExists) {
 			return;
 		}
 
+		if (type !== FileType.File) {
+			return;
+		}
+
 		const options: ITextEditorOptions = {
 			selection: exists ? path.selection : undefined,
 			pinned: true,