feat: support cancel before save file(#213894)

src/vs/platform/files/common/fileService.ts

@@ -21,7 +21,7 @@ import { localize } from 'vs/nls';
 import { ensureFileSystemProviderError, etag, ETAG_DISABLED, FileChangesEvent, IFileDeleteOptions, FileOperation, FileOperationError, FileOperationEvent, FileOperationResult, FilePermission, FileSystemProviderCapabilities, FileSystemProviderErrorCode, FileType, hasFileAtomicReadCapability, hasFileFolderCopyCapability, hasFileReadStreamCapability, hasOpenReadWriteCloseCapability, hasReadWriteCapability, ICreateFileOptions, IFileContent, IFileService, IFileStat, IFileStatWithMetadata, IFileStreamContent, IFileSystemProvider, IFileSystemProviderActivationEvent, IFileSystemProviderCapabilitiesChangeEvent, IFileSystemProviderRegistrationEvent, IFileSystemProviderWithFileAtomicReadCapability, IFileSystemProviderWithFileReadStreamCapability, IFileSystemProviderWithFileReadWriteCapability, IFileSystemProviderWithOpenReadWriteCloseCapability, IReadFileOptions, IReadFileStreamOptions, IResolveFileOptions, IFileStatResult, IFileStatResultWithMetadata, IResolveMetadataFileOptions, IStat, IFileStatWithPartialMetadata, IWatchOptions, IWriteFileOptions, NotModifiedSinceFileOperationError, toFileOperationResult, toFileSystemProviderErrorCode, hasFileCloneCapability, TooLargeFileOperationError, hasFileAtomicDeleteCapability, hasFileAtomicWriteCapability, IWatchOptionsWithCorrelation, IFileSystemWatcher, IWatchOptionsWithoutCorrelation } from 'vs/platform/files/common/files';
 import { readFileIntoStream } from 'vs/platform/files/common/io';
 import { ILogService } from 'vs/platform/log/common/log';
-import { ErrorNoTelemetry } from 'vs/base/common/errors';
+import { ErrorNoTelemetry, isCancellationError } from 'vs/base/common/errors';
 
 export class FileService extends Disposable implements IFileService {
 
@@ -424,6 +424,9 @@ export class FileService extends Disposable implements IFileService {
 			// events
 			this._onDidRunOperation.fire(new FileOperationEvent(resource, FileOperation.WRITE));
 		} catch (error) {
+			if (isCancellationError(error)) {
+				throw error;
+			}
 			throw new FileOperationError(localize('err.write', "Unable to write file '{0}' ({1})", this.resourceForError(resource), ensureFileSystemProviderError(error).toString()), toFileOperationResult(error), writeFileOptions);
 		}
 

src/vs/workbench/services/textfile/common/textFileEditorModel.ts

@@ -33,6 +33,7 @@ import { IAccessibilityService } from 'vs/platform/accessibility/common/accessib
 import { PLAINTEXT_LANGUAGE_ID } from 'vs/editor/common/languages/modesRegistry';
 import { IExtensionService } from 'vs/workbench/services/extensions/common/extensions';
 import { IMarkdownString } from 'vs/base/common/htmlContent';
+import { isCancellationError } from 'vs/base/common/errors';
 import { IProgress, IProgressService, IProgressStep, ProgressLocation } from 'vs/platform/progress/common/progress';
 
 interface IBackupMetaData extends IWorkingCopyBackupMeta {
@@ -958,6 +959,10 @@ export class TextFileEditorModel extends BaseTextEditorModel implements ITextFil
 	}
 
 	private handleSaveError(error: Error, versionId: number, options: ITextFileSaveAsOptions): void {
+		if (isCancellationError(error)) {
+			throw error;
+		}
+
 		(options.ignoreErrorHandler ? this.logService.trace : this.logService.error).apply(this.logService, [`[text file model] handleSaveError(${versionId}) - exit - resulted in a save error: ${error.toString()}`, this.resource.toString()]);
 
 		// Return early if the save() call was made asking to