add input component built on bits-ui

This commit is contained in:
Justin Edmund 2025-09-16 01:33:24 -07:00
parent 07f4721d5d
commit 7f7661f542
2 changed files with 339 additions and 0 deletions

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<script lang="ts">
import { Label } from 'bits-ui';
import type { HTMLInputAttributes } from 'svelte/elements';
import styles from './input.module.scss';
import Icon from '../../Icon.svelte';
interface Props extends HTMLInputAttributes {
variant?: 'default' | 'bound' | 'duration' | 'number' | 'range';
error?: string;
label?: string;
leftIcon?: string;
rightIcon?: string;
counter?: number;
maxLength?: number;
hidden?: boolean;
fullWidth?: boolean;
fullHeight?: boolean;
alignRight?: boolean;
accessory?: boolean;
children?: any;
}
let {
variant = 'default',
error,
label,
leftIcon,
rightIcon,
counter,
maxLength,
hidden = false,
fullWidth = false,
fullHeight = false,
alignRight = false,
accessory = false,
value = $bindable(''),
type = 'text',
placeholder,
disabled = false,
readonly = false,
required = false,
class: className = '',
children,
...restProps
}: Props = $props();
const showCounter = $derived(counter !== undefined || maxLength !== undefined);
const currentCount = $derived(String(value).length);
const fieldsetClasses = [
styles.fieldset,
hidden && styles.hidden,
fullWidth && styles.full,
className
].filter(Boolean).join(' ');
const inputClasses = [
styles.input,
variant === 'bound' && styles.bound,
variant === 'duration' && styles.duration,
variant === 'number' && styles.number,
variant === 'range' && styles.range,
alignRight && styles.alignRight,
fullHeight && styles.fullHeight,
accessory && styles.accessory,
(leftIcon || rightIcon || showCounter) && styles.wrapper
].filter(Boolean).join(' ');
</script>
<fieldset class={fieldsetClasses}>
{#if label}
<Label.Root class={styles.label} for={restProps.id}>
{label}
{#if required}
<span class={styles.required}>*</span>
{/if}
</Label.Root>
{/if}
{#if accessory || leftIcon || rightIcon || showCounter}
<div class={inputClasses}>
{#if leftIcon}
<span class={styles.iconLeft}>
<Icon name={leftIcon} size={16} />
</span>
{/if}
<input
bind:value
{type}
{placeholder}
{disabled}
{readonly}
{required}
{maxLength}
{...restProps}
/>
{#if rightIcon}
<span class={styles.iconRight}>
<Icon name={rightIcon} size={16} />
</span>
{/if}
{#if showCounter}
<span class={styles.counter}>
{currentCount}{maxLength ? `/${maxLength}` : ''}
</span>
{/if}
</div>
{:else}
<input
bind:value
class={inputClasses}
{type}
{placeholder}
{disabled}
{readonly}
{required}
{maxLength}
{...restProps}
/>
{/if}
{#if error}
<span class={styles.error}>{error}</span>
{/if}
{#if children}
{@render children()}
{/if}
</fieldset>

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@use 'themes/spacing';
@use 'themes/colors';
@use 'themes/typography';
@use 'themes/layout';
@use 'themes/mixins';
.fieldset {
display: flex;
flex-direction: column;
gap: spacing.$unit-half;
&:last-child .error {
margin-bottom: 0;
}
&.hidden {
display: none;
}
&.full {
width: 100%;
}
.label {
color: var(--text-primary);
font-size: typography.$font-small;
font-weight: typography.$medium;
margin-bottom: spacing.$unit-half;
.required {
color: colors.$error;
margin-left: spacing.$unit-fourth;
}
}
.error {
color: colors.$error;
font-size: typography.$font-small;
padding: calc(spacing.$unit / 2) (spacing.$unit * 2);
min-width: 100%;
margin-bottom: spacing.$unit;
width: 0;
}
.fullHeight {
height: 100%;
}
.input {
-webkit-font-smoothing: antialiased;
background-color: var(--input-bg);
border-radius: layout.$input-corner;
border: none;
box-sizing: border-box;
color: var(--text-primary);
display: block;
font-family: system-ui, -apple-system, 'Helvetica Neue', Helvetica, Arial, sans-serif;
font-size: typography.$font-regular;
width: 100%;
&:not(.wrapper) {
padding: (spacing.$unit * 1.5) spacing.$unit-2x;
}
&.accessory,
&.wrapper {
$offset: 2px;
align-items: center;
background: var(--input-bg);
border-radius: layout.$input-corner;
box-sizing: border-box;
position: relative;
display: flex;
padding: 0;
.counter {
color: var(--text-tertiary);
display: block;
font-weight: typography.$bold;
line-height: 48px;
position: absolute;
right: spacing.$unit-2x;
top: 0;
pointer-events: none;
}
input {
background: transparent;
border-radius: layout.$input-corner;
border: 2px solid transparent;
box-sizing: border-box;
color: var(--text-primary);
padding: (spacing.$unit * 1.75) spacing.$unit-2x;
width: 100%;
font-size: typography.$font-regular;
font-family: inherit;
&:focus {
border: 2px solid colors.$blue;
outline: none;
}
}
.iconLeft,
.iconRight {
position: absolute;
display: flex;
align-items: center;
pointer-events: none;
color: var(--text-secondary);
svg {
fill: currentColor;
}
}
.iconLeft {
left: spacing.$unit-2x;
}
.iconRight {
right: spacing.$unit-2x;
}
&:has(.iconLeft) input {
padding-left: spacing.$unit-5x;
}
&:has(.iconRight) input {
padding-right: spacing.$unit-5x;
}
&:has(.counter) input {
padding-right: spacing.$unit-8x;
}
}
&[type='number']::-webkit-inner-spin-button {
-webkit-appearance: none;
}
&.bound {
background-color: var(--input-bound-bg);
&:hover {
background-color: var(--input-bound-bg-hover);
}
}
&.duration {
background: transparent;
border: none;
padding: 0;
width: initial;
height: 100%;
padding: calc(spacing.$unit-2x - 2px) 0;
&:hover {
background: transparent;
}
&:focus,
&:focus-visible {
border: none;
}
}
&.number {
text-align: right;
width: spacing.$unit-8x;
}
&.range {
text-align: right;
width: spacing.$unit-12x;
}
&.alignRight {
text-align: right;
}
&:hover:not(:disabled) {
background-color: var(--input-bg-hover);
}
&:focus {
border: 2px solid colors.$blue;
outline: none;
}
&:disabled {
opacity: 0.5;
cursor: not-allowed;
}
}
.counter {
display: none;
}
}
.input::placeholder,
.input > input::placeholder {
color: var(--text-tertiary);
opacity: 1;
}