#23251 Expose global storage path in proposed API

src/vs/vscode.proposed.d.ts

@@ -1147,4 +1147,18 @@ declare module 'vscode' {
 	}
 	//#endregion
 
+	//#region Extension Context
+	export interface ExtensionContext {
+
+		/**
+		 * An absolute file path in which the extension can store gloabal state.
+		 * The directory might not exist on disk and creation is
+		 * up to the extension. However, the parent directory is guaranteed to be existent.
+		 *
+		 * Use [`globalState`](#ExtensionContext.globalState) to store key value data.
+		 */
+		globalStoragePath: string;
+
+	}
+	//#endregion
 }

src/vs/workbench/api/node/extHost.protocol.ts

@@ -50,6 +50,7 @@ export interface IEnvironment {
 	appSettingsHome: URI;
 	extensionDevelopmentLocationURI: URI;
 	extensionTestsPath: string;
+	globalStorageHome: string;
 }
 
 export interface IWorkspaceData {

src/vs/workbench/api/node/extHostExtensionActivator.ts

@@ -23,6 +23,7 @@ export interface IExtensionContext {
 	globalState: IExtensionMemento;
 	extensionPath: string;
 	storagePath: string;
+	globalStoragePath: string;
 	asAbsolutePath(relativePath: string): string;
 	readonly logPath: string;
 }

src/vs/workbench/api/node/extHostExtensionService.ts

@@ -91,13 +91,17 @@ class ExtensionStoragePath {
 		return this._ready;
 	}
 
-	value(extension: IExtensionDescription): string {
+	workspaceValue(extension: IExtensionDescription): string {
 		if (this._value) {
 			return join(this._value, extension.id);
 		}
 		return undefined;
 	}
 
+	globalValue(extension: IExtensionDescription): string {
+		return join(this._environment.globalStorageHome, extension.id);
+	}
+
 	private async _getOrCreateWorkspaceStoragePath(): Promise<string> {
 		if (!this._workspace) {
 			return Promise.resolve(undefined);
@@ -383,7 +387,8 @@ export class ExtHostExtensionService implements ExtHostExtensionServiceShape {
 				workspaceState,
 				subscriptions: [],
 				get extensionPath() { return extensionDescription.extensionLocation.fsPath; },
-				storagePath: this._storagePath.value(extensionDescription),
+				storagePath: this._storagePath.workspaceValue(extensionDescription),
+				globalStoragePath: this._storagePath.globalValue(extensionDescription),
 				asAbsolutePath: (relativePath: string) => { return join(extensionDescription.extensionLocation.fsPath, relativePath); },
 				logPath: that._extHostLogService.getLogDirectory(extensionDescription.id)
 			});

src/vs/workbench/services/extensions/electron-browser/extensionHost.ts

@@ -424,7 +424,8 @@ export class ExtensionHostProcessWorker implements IExtensionHostStarter {
 						appRoot: this._environmentService.appRoot ? URI.file(this._environmentService.appRoot) : void 0,
 						appSettingsHome: this._environmentService.appSettingsHome ? URI.file(this._environmentService.appSettingsHome) : void 0,
 						extensionDevelopmentLocationURI: this._environmentService.extensionDevelopmentLocationURI,
-						extensionTestsPath: this._environmentService.extensionTestsPath
+						extensionTestsPath: this._environmentService.extensionTestsPath,
+						globalStorageHome: this._environmentService.globalStorageHome
 					},
 					workspace: this._contextService.getWorkbenchState() === WorkbenchState.EMPTY ? null : {
 						configuration: workspace.configuration,