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fix(tabs): default scroll-behavior: smooth
not working
Fixes #5497 PiperOrigin-RevId: 610915724
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@ -29,6 +29,8 @@
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display: flex;
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height: 100%;
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overflow: inherit;
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scroll-behavior: inherit;
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scrollbar-width: inherit;
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justify-content: space-between;
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width: 100%;
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}
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@ -157,8 +157,11 @@ export class Tabs extends LitElement {
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const min = offset - scrollMargin;
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const max = offset + extent - hostExtent + scrollMargin;
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const to = Math.min(min, Math.max(max, scroll));
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// TODO(b/299934312): improve focus smoothness
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const behavior: ScrollBehavior = !this.focusedTab ? 'smooth' : 'instant';
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// When a tab is focused, use 'auto' to use the CSS `scroll-behavior`. The
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// default behavior is smooth scrolling. However, when there is not a tab
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// focused on initialization, use 'instant' to immediately bring the focused
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// tab into view.
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const behavior: ScrollBehavior = !this.focusedTab ? 'instant' : 'auto';
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this.tabsScrollerElement.scrollTo({behavior, top: 0, left: to});
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}
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