Input
Preview
Code
<script lang="ts">
import NumberFlow from '@number-flow/svelte'
import clsx from 'clsx/lite'
import { Minus, Plus } from 'lucide-svelte'
let {
min = 0,
value = $bindable(0),
max = 99
}: { min?: number; value?: number; max?: number } = $props()
const defaultValue = value
let input: HTMLInputElement
let animated = $state(true)
// Hide the caret during transitions so you can't see it shifting around:
let showCaret = $state(true)
function handleInput() {
animated = false
let next = value
if (input.value === '') {
next = defaultValue
} else {
const num = input.valueAsNumber
if (!isNaN(num) && min <= num && num <= max) next = num
}
// Manually update the input.value in case the number stays the same e.g. 09 == 9
input.value = String(next)
value = next
}
function handlePointerDown(event: PointerEvent, diff: number) {
animated = true
if (event.pointerType === 'mouse') {
event?.preventDefault()
input.focus()
}
const newVal = Math.min(Math.max(value + diff, min), max)
value = newVal
}
</script>
<div
class="focus-within:ring-accent group flex items-stretch rounded-md text-3xl font-semibold ring ring-zinc-200 transition-[box-shadow] focus-within:ring-2 dark:ring-zinc-800"
>
<button
aria-hidden="true"
tabindex={-1}
class="flex items-center pl-[.5em] pr-[.325em]"
disabled={min != null && value <= min}
onpointerdown={(event) => handlePointerDown(event, -1)}
>
<Minus class="size-4" absoluteStrokeWidth strokeWidth="3.5" />
</button>
<div
class="relative grid items-center justify-items-center text-center [grid-template-areas:'overlap'] *:[grid-area:overlap]"
>
<input
bind:this={input}
class={clsx(
showCaret ? 'caret-primary' : 'caret-transparent',
'spin-hide w-[1.5em] bg-transparent py-2 text-center font-[inherit] text-transparent outline-none'
)}
style="font-kerning: none"
type="number"
{min}
step="1"
autocomplete="off"
inputmode="numeric"
{max}
{value}
oninput={handleInput}
/>
<NumberFlow
{value}
locales="en-US"
format={{ useGrouping: false }}
aria-hidden="true"
{animated}
on:animationsstart={() => (showCaret = false)}
on:animationsfinish={() => (showCaret = true)}
class="pointer-events-none"
willChange
/>
</div>
<button
aria-hidden="true"
tabindex="-1"
class="flex items-center pl-[.325em] pr-[.5em]"
disabled={max != null && value >= max}
onpointerdown={(event) => handlePointerDown(event, 1)}
>
<Plus class="size-4" absoluteStrokeWidth strokeWidth="3.5" />
</button>
</div>Activity
Preview
Code
<script lang="ts">
import NumberFlow, { continuous, type Format } from '@number-flow/svelte'
import clsx from 'clsx/lite'
import { Bookmark, ChartNoAxesColumn, Heart, Repeat, Share } from 'lucide-svelte'
import type { HTMLAttributes } from 'svelte/elements'
type Props = HTMLAttributes<HTMLDivElement> & {
likes: number
reposts: number
views: number
bookmarks: number
liked: boolean
reposted: boolean
bookmarked: boolean
onlike: () => void
onrepost: () => void
onbookmark: () => void
}
const format: Format = {
notation: 'compact',
compactDisplay: 'short',
roundingMode: 'trunc'
}
const {
likes,
reposts,
views,
bookmarks,
liked,
reposted,
bookmarked,
onlike,
onrepost,
onbookmark,
class: cls,
...props
}: Props = $props()
</script>
<div
{...props}
class={clsx(cls, 'flex w-full select-none items-center text-zinc-600 dark:text-zinc-300')}
>
<div class="flex flex-1 items-center gap-1.5">
<ChartNoAxesColumn absoluteStrokeWidth class="~size-4/5" />
<NumberFlow willChange plugins={[continuous]} value={views} locales="en-US" {format} />
</div>
<div class="flex-1">
<button
class="group flex items-center gap-1.5 pr-1.5 transition-[color] hover:text-emerald-500"
class:text-emerald-500={reposted}
onclick={onrepost}
>
<div
class="relative before:absolute before:-inset-2.5 before:rounded-full before:transition-[background-color] before:group-hover:bg-emerald-500/10"
>
<Repeat
absoluteStrokeWidth
class="~size-4/5 group-active:spring-duration-[25] spring-bounce-50 spring-duration-300 transition-transform group-active:scale-[85%]"
/>
</div>
<NumberFlow willChange plugins={[continuous]} value={reposts} locales="en-US" {format} />
</button>
</div>
<div class="flex-1">
<button
class="group flex items-center gap-1.5 pr-1.5 transition-[color] hover:text-pink-500"
class:text-pink-500={liked}
onclick={onlike}
>
<div
class="relative before:absolute before:-inset-2.5 before:rounded-full before:transition-[background-color] before:group-hover:bg-pink-500/10"
>
<Heart
absoluteStrokeWidth
class={clsx(
liked && 'fill-current',
'~size-4/5 group-active:spring-duration-[25] spring-bounce-[65] spring-duration-300 transition-transform group-active:scale-[80%]'
)}
/>
</div>
<NumberFlow willChange plugins={[continuous]} value={likes} locales="en-US" {format} />
</button>
</div>
<div class="min-[30rem]:flex-1 max-[24rem]:hidden flex shrink-0 items-center gap-1.5">
<button
class="group flex items-center gap-1.5 pr-1.5 transition-[color] hover:text-blue-500"
class:text-blue-500={bookmarked}
onclick={onbookmark}
>
<div
class="relative before:absolute before:-inset-2.5 before:rounded-full before:transition-[background-color] before:group-hover:bg-blue-500/10"
>
<Bookmark
absoluteStrokeWidth
class={clsx(
bookmarked && 'fill-current',
'~size-4/5 group-active:spring-duration-[25] spring-bounce-50 spring-duration-300 transition-transform group-active:scale-[85%]'
)}
/>
</div>
<NumberFlow
class="max-[30rem]:hidden"
willChange
plugins={[continuous]}
value={bookmarks}
locales="en-US"
{format}
/>
</button>
</div>
<Share absoluteStrokeWidth class="~size-4/5 shrink-0" />
</div>Countdown
Preview
Code
<script lang="ts">
import NumberFlow, { NumberFlowGroup } from '@number-flow/svelte'
type Props = {
seconds: number
}
const { seconds }: Props = $props()
const hh = $derived(Math.floor(seconds / 3600))
const mm = $derived(Math.floor((seconds % 3600) / 60))
const ss = $derived(seconds % 60)
</script>
<NumberFlowGroup>
<div
style="font-variant-numeric: tabular-nums"
class="~text-3xl/4xl flex items-baseline font-semibold"
>
<NumberFlow trend={-1} value={hh} format={{ minimumIntegerDigits: 2 }} />
<NumberFlow
prefix=":"
trend={-1}
value={mm}
digits={{ 1: { max: 5 } }}
format={{ minimumIntegerDigits: 2 }}
/>
<NumberFlow
prefix=":"
trend={-1}
value={ss}
digits={{ 1: { max: 5 } }}
format={{ minimumIntegerDigits: 2 }}
/>
</div>
</NumberFlowGroup>