Merge from vscode a5cf1da01d5db3d2557132be8d30f89c38019f6c (#8525)

* Merge from vscode a5cf1da01d5db3d2557132be8d30f89c38019f6c

* remove files we don't want

* fix hygiene

* update distro

* update distro

* fix hygiene

* fix strict nulls

* distro

* distro

* fix tests

* fix tests

* add another edit

* fix viewlet icon

* fix azure dialog

* fix some padding

* fix more padding issues

src/vs/workbench/contrib/terminal/common/terminalDataBuffering.ts

@@ -0,0 +1,57 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { Event } from 'vs/base/common/event';
+import { IDisposable } from 'vs/base/common/lifecycle';
+
+interface TerminalDataBuffer extends IDisposable {
+	data: string[];
+	timeoutId: any;
+}
+
+export class TerminalDataBufferer implements IDisposable {
+	private readonly _terminalBufferMap = new Map<number, TerminalDataBuffer>();
+
+	dispose() {
+		for (const buffer of this._terminalBufferMap.values()) {
+			buffer.dispose();
+		}
+	}
+
+	startBuffering(id: number, event: Event<string>, callback: (id: number, data: string) => void, throttleBy: number = 5): IDisposable {
+		let disposable: IDisposable;
+		disposable = event((e: string) => {
+			let buffer = this._terminalBufferMap.get(id);
+			if (buffer) {
+				buffer.data.push(e);
+
+				return;
+			}
+
+			const timeoutId = setTimeout(() => {
+				this._terminalBufferMap.delete(id);
+				callback(id, buffer!.data.join(''));
+			}, throttleBy);
+			buffer = {
+				data: [e],
+				timeoutId: timeoutId,
+				dispose: () => {
+					clearTimeout(timeoutId);
+					this._terminalBufferMap.delete(id);
+					disposable.dispose();
+				}
+			};
+			this._terminalBufferMap.set(id, buffer);
+		});
+		return disposable;
+	}
+
+	stopBuffering(id: number) {
+		const buffer = this._terminalBufferMap.get(id);
+		if (buffer) {
+			buffer.dispose();
+		}
+	}
+}