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@@ -1,4 +1,5 @@
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<script lang="ts">
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+ import { onDestroy, onMount } from 'svelte';
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import { Select as SelectPrimitive } from 'bits-ui';
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import SelectScrollUpButton from './select-scroll-up-button.svelte';
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import SelectScrollDownButton from './select-scroll-down-button.svelte';
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@@ -14,6 +15,76 @@
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}: WithoutChild<SelectPrimitive.ContentProps> & {
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portalProps?: SelectPrimitive.PortalProps;
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} = $props();
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+
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+ let cleanupInternalListeners: (() => void) | undefined;
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+
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+ onMount(() => {
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+ const listenerOptions: AddEventListenerOptions = { passive: false };
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+
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+ const blockOutsideWheel = (event: WheelEvent) => {
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+ if (!ref) {
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+ return;
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+ }
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+
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+ const target = event.target as Node | null;
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+
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+ if (!target || !ref.contains(target)) {
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+ event.preventDefault();
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+ event.stopPropagation();
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+ }
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+ };
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+
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+ const blockOutsideTouchMove = (event: TouchEvent) => {
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+ if (!ref) {
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+ return;
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+ }
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+
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+ const target = event.target as Node | null;
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+
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+ if (!target || !ref.contains(target)) {
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+ event.preventDefault();
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+ event.stopPropagation();
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+ }
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+ };
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+
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+ document.addEventListener('wheel', blockOutsideWheel, listenerOptions);
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+ document.addEventListener('touchmove', blockOutsideTouchMove, listenerOptions);
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+
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+ return () => {
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+ document.removeEventListener('wheel', blockOutsideWheel, listenerOptions);
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+ document.removeEventListener('touchmove', blockOutsideTouchMove, listenerOptions);
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+ };
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+ });
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+
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+ $effect(() => {
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+ const element = ref;
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+
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+ cleanupInternalListeners?.();
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+
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+ if (!element) {
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+ return;
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+ }
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+
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+ const stopWheelPropagation = (event: WheelEvent) => {
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+ event.stopPropagation();
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+ };
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+
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+ const stopTouchPropagation = (event: TouchEvent) => {
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+ event.stopPropagation();
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+ };
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+
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+ element.addEventListener('wheel', stopWheelPropagation);
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+ element.addEventListener('touchmove', stopTouchPropagation);
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+
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+ cleanupInternalListeners = () => {
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+ element.removeEventListener('wheel', stopWheelPropagation);
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+ element.removeEventListener('touchmove', stopTouchPropagation);
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+ };
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+ });
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+
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+ onDestroy(() => {
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+ cleanupInternalListeners?.();
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+ });
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</script>
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<SelectPrimitive.Portal {...portalProps}>
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@@ -22,7 +93,7 @@
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{sideOffset}
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data-slot="select-content"
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class={cn(
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- 'relative z-50 max-h-(--bits-select-content-available-height) min-w-[8rem] origin-(--bits-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border bg-popover text-popover-foreground shadow-md data-[side=bottom]:translate-y-1 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:-translate-x-1 data-[side=left]:slide-in-from-right-2 data-[side=right]:translate-x-1 data-[side=right]:slide-in-from-left-2 data-[side=top]:-translate-y-1 data-[side=top]:slide-in-from-bottom-2 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95',
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+ 'relative z-[var(--layer-popover,1000000)] max-h-(--bits-select-content-available-height) min-w-[8rem] origin-(--bits-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border bg-popover text-popover-foreground shadow-md data-[side=bottom]:translate-y-1 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:-translate-x-1 data-[side=left]:slide-in-from-right-2 data-[side=right]:translate-x-1 data-[side=right]:slide-in-from-left-2 data-[side=top]:-translate-y-1 data-[side=top]:slide-in-from-bottom-2 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95',
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className
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)}
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{...restProps}
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Aleksander Grygier