diff --git a/src/browser/Viewport.ts b/src/browser/Viewport.ts index a8e1a4987..1b2f7b5bc 100644 --- a/src/browser/Viewport.ts +++ b/src/browser/Viewport.ts @@ -36,6 +36,8 @@ export class Viewport extends Disposable implements IViewport { private _activeBuffer: IBuffer; private _renderDimensions: IRenderDimensions; + private _smoothScrollAnimationFrame: number = 0; + // Stores a partial line amount when scrolling, this is used to keep track of how much of a line // is scrolled so we can "scroll" over partial lines and feel natural on touchpads. This is a // quick fix and could have a more robust solution in place that reset the value when needed. @@ -211,7 +213,12 @@ export class Viewport extends Disposable implements IViewport { // Continue or finish smooth scroll if (percent < 1) { - this._coreBrowserService.window.requestAnimationFrame(() => this._smoothScroll()); + if (!this._smoothScrollAnimationFrame) { + this._smoothScrollAnimationFrame = this._coreBrowserService.window.requestAnimationFrame(() => { + this._smoothScrollAnimationFrame = 0; + this._smoothScroll(); + }); + } } else { this._clearSmoothScrollState(); }