Change default to 0

src/browser/Viewport.ts

@@ -198,10 +198,10 @@ export class Viewport extends Disposable implements IViewport {
   }
 
   private _smoothScrollPercent(): number {
-    if (!this._optionsService.rawOptions.smoothScrollingDuration || !this._smoothScrollState.startTime) {
+    if (!this._optionsService.rawOptions.smoothScrollDuration || !this._smoothScrollState.startTime) {
       return 1;
     }
-    return Math.max(Math.min((Date.now() - this._smoothScrollState.startTime) / this._optionsService.rawOptions.smoothScrollingDuration, 1), 0);
+    return Math.max(Math.min((Date.now() - this._smoothScrollState.startTime) / this._optionsService.rawOptions.smoothScrollDuration, 1), 0);
   }
 
   private _clearSmoothScrollState(): void {
@@ -238,7 +238,7 @@ export class Viewport extends Disposable implements IViewport {
     if (amount === 0) {
       return false;
     }
-    if (!this._optionsService.rawOptions.smoothScrollingDuration) {
+    if (!this._optionsService.rawOptions.smoothScrollDuration) {
       this._viewportElement.scrollTop += amount;
     } else {
       this._smoothScrollState.startTime = Date.now();

src/common/services/OptionsService.ts

@@ -37,7 +37,7 @@ export const DEFAULT_OPTIONS: Readonly<ITerminalOptions> = {
   scrollback: 1000,
   scrollSensitivity: 1,
   screenReaderMode: false,
-  smoothScrollingDuration: 125,
+  smoothScrollDuration: 0,
   macOptionIsMeta: false,
   macOptionClickForcesSelection: false,
   minimumContrastRatio: 1,

src/common/services/Services.ts

@@ -241,7 +241,7 @@ export interface ITerminalOptions {
   screenReaderMode: boolean;
   scrollback: number;
   scrollSensitivity: number;
-  smoothScrollingDuration: number;
+  smoothScrollDuration: number;
   tabStopWidth: number;
   theme: ITheme;
   windowsMode: boolean;

typings/xterm-headless.d.ts

@@ -191,7 +191,7 @@ declare module 'xterm-headless' {
      * The duration to smoothly scroll between the origin and the target. Set
      * this to 0 to disable smooth scrolling and scroll instantly.
      */
-     smoothScrollingDuration?: number;
+     smoothScrollDuration?: number;
 
     /**
      * The size of tab stops in the terminal.

typings/xterm.d.ts

@@ -237,7 +237,7 @@ declare module 'xterm' {
      * The duration to smoothly scroll between the origin and the target in
      * milliseconds. Set to 0 to disable smooth scrolling and scroll instantly.
      */
-    smoothScrollingDuration?: number;
+    smoothScrollDuration?: number;
 
     /**
      * The size of tab stops in the terminal.