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bugfix(ui-components): Scroll jumps to top on Dialog open #2250

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merged 5 commits into from
May 14, 2024
Merged

bugfix(ui-components): Scroll jumps to top on Dialog open #2250

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900348a
Updates to dialog component
andrewwallacespeckle May 9, 2024
4c40228
Merge branch 'main' into andrew/web-796-scroll-jumps-to-top-when-moda…
andrewwallacespeckle May 10, 2024
f1c283d
Merge branch 'main' into andrew/web-796-scroll-jumps-to-top-when-moda…
andrewwallacespeckle May 13, 2024
cd7faf0
Fix build issues
andrewwallacespeckle May 13, 2024
38baf8a
Fix build
andrewwallacespeckle May 13, 2024
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37 changes: 33 additions & 4 deletions packages/ui-components/src/components/layout/Dialog.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -11,11 +11,10 @@
leave-to="opacity-0"
>
<div
class="fixed inset-0 bg-neutral-100/70 dark:bg-neutral-900/70 transition-opacity backdrop-blur-xs"
class="fixed top-0 left-0 w-full h-full bg-neutral-100/70 dark:bg-neutral-900/70 transition-opacity backdrop-blur-xs"
/>
</TransitionChild>

<div class="fixed inset-0 z-10 h-[100dvh] w-screen">
<div class="fixed top-0 left-0 z-10 h-screen !h-[100dvh] w-screen">
<div class="flex justify-center items-center h-full w-full p-4 sm:p-0">
<TransitionChild
as="template"
Expand Down Expand Up @@ -94,8 +93,9 @@
import { Dialog, DialogPanel, TransitionChild, TransitionRoot } from '@headlessui/vue'
import { FormButton } from '~~/src/lib'
import { XMarkIcon } from '@heroicons/vue/24/outline'
import { computed, ref, useSlots } from 'vue'
import { computed, ref, useSlots, watch, onUnmounted } from 'vue'
import { throttle, noop } from 'lodash'
import { isClient } from '@vueuse/core'

type MaxWidthValue = 'sm' | 'md' | 'lg' | 'xl'

Expand Down Expand Up @@ -189,4 +189,33 @@ const onScroll = throttle((e: Event) => {
scrolledFromTop.value = scrollTop > 0
scrolledToBottom.value = scrollTop + offsetHeight >= scrollHeight
}, 60)

// Toggle 'dialog-open' class on <html> to prevent scroll jumping and disable background scroll.
// This maintains user scroll position when Headless UI dialogs are activated.
watch(open, (newValue) => {
if (isClient) {
const html = document.documentElement
if (newValue) {
html.classList.add('dialog-open')
} else {
html.classList.remove('dialog-open')
}
}
})

// Clean up when the component unmounts
onUnmounted(() => {
if (isClient) {
document.documentElement.classList.remove('dialog-open')
}
})
</script>

<style>
html.dialog-open {
overflow: visible !important;
}
html.dialog-open body {
overflow: hidden !important;
}
</style>