File size: 4,994 Bytes
b7b13c6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | <script lang="ts">
import { Plus, Trash2 } from '@lucide/svelte';
import { Input } from '$lib/components/ui/input';
import { KEY_VALUE_PAIR_KEY_MAX_LENGTH, KEY_VALUE_PAIR_VALUE_MAX_LENGTH } from '$lib/constants';
import type { KeyValuePair } from '$lib/types';
import {
autoResizeTextarea,
sanitizeKeyValuePairKey,
sanitizeKeyValuePairValue
} from '$lib/utils';
import { tick } from 'svelte';
interface Props {
class?: string;
pairs: KeyValuePair[];
onPairsChange: (pairs: KeyValuePair[]) => void;
keyPlaceholder?: string;
valuePlaceholder?: string;
addButtonLabel?: string;
emptyMessage?: string;
sectionLabel?: string;
sectionLabelOptional?: boolean;
}
let {
addButtonLabel = 'Add',
class: className = '',
emptyMessage = 'No items configured.',
keyPlaceholder = 'Key',
onPairsChange,
pairs,
sectionLabel,
sectionLabelOptional = true,
valuePlaceholder = 'Value'
}: Props = $props();
// Pre-allocate the ref array so `bind:ref={keyInputRefs[index]}` never reads `undefined`
// for in-range indices; the $effect below keeps it in sync when `pairs` grows.
// svelte-ignore state_referenced_locally
let keyInputRefs: (HTMLInputElement | null)[] = $state(pairs.map(() => null));
async function addPair() {
// Capture the target index before mutating so deletions earlier in the
// list can't make keyInputRefs.length drift past the newly-appended row.
const newIndex = pairs.length;
onPairsChange([...pairs, { key: '', value: '' }]);
await tick();
keyInputRefs[newIndex]?.focus();
}
function removePair(index: number) {
onPairsChange(pairs.filter((_, i) => i !== index));
}
function updatePairKey(index: number, rawKey: string) {
const key = sanitizeKeyValuePairKey(rawKey);
const newPairs = [...pairs];
newPairs[index] = { ...newPairs[index], key };
onPairsChange(newPairs);
}
function trimPairKey(index: number, key: string) {
const trimmed = key.trim();
if (trimmed === key) return;
const newPairs = [...pairs];
newPairs[index] = { ...newPairs[index], key: trimmed };
onPairsChange(newPairs);
}
function updatePairValue(index: number, rawValue: string) {
const value = sanitizeKeyValuePairValue(rawValue);
const newPairs = [...pairs];
newPairs[index] = { ...newPairs[index], value };
onPairsChange(newPairs);
}
function trimPairValue(index: number, value: string) {
const trimmed = value.trim();
if (trimmed === value) return;
const newPairs = [...pairs];
newPairs[index] = { ...newPairs[index], value: trimmed };
onPairsChange(newPairs);
}
// Keep keyInputRefs aligned with pairs length so bind:ref never sees `undefined`.
// $effect.pre runs during traversal in tree order, before the {#each} block re-renders,
// so newly-appended items always have a defined slot when their binding is set up.
$effect.pre(() => {
while (keyInputRefs.length < pairs.length) {
keyInputRefs.push(null);
}
});
</script>
<div class={className}>
<div class="mb-2 flex items-center justify-between">
{#if sectionLabel}
<span class="text-xs font-medium select-none">
{sectionLabel}
{#if sectionLabelOptional}
<span class="text-muted-foreground">(optional)</span>
{/if}
</span>
{/if}
<button
class="inline-flex cursor-pointer items-center gap-1 rounded-md px-1.5 py-1 text-xs text-muted-foreground hover:bg-muted hover:text-foreground"
onclick={addPair}
type="button"
>
<Plus class="h-3 w-3" />
{addButtonLabel}
</button>
</div>
{#if pairs.length > 0}
<div class="space-y-3">
{#each pairs as pair, index (index)}
<div class="flex items-start gap-2">
<Input
bind:ref={keyInputRefs[index]}
class="flex-1"
maxlength={KEY_VALUE_PAIR_KEY_MAX_LENGTH}
onblur={(e) => trimPairKey(index, e.currentTarget.value)}
oninput={(e) => updatePairKey(index, e.currentTarget.value)}
placeholder={keyPlaceholder}
type="text"
value={pair.key}
/>
<textarea
use:autoResizeTextarea
class="flex-1 resize-none rounded-md border border-input bg-transparent px-3 py-2 text-sm leading-5 placeholder:text-muted-foreground focus-visible:ring-1 focus-visible:ring-ring focus-visible:outline-none"
maxlength={KEY_VALUE_PAIR_VALUE_MAX_LENGTH}
onblur={(e) => trimPairValue(index, e.currentTarget.value)}
oninput={(e) => {
updatePairValue(index, e.currentTarget.value);
autoResizeTextarea(e.currentTarget);
}}
placeholder={valuePlaceholder}
rows="1"
value={pair.value}
></textarea>
<button
aria-label="Remove item"
class="mt-1.5 shrink-0 cursor-pointer rounded-md p-1 text-muted-foreground hover:bg-destructive/10 hover:text-destructive"
onclick={() => removePair(index)}
type="button"
>
<Trash2 class="h-3.5 w-3.5" />
</button>
</div>
{/each}
</div>
{:else}
<p class="select-none text-xs text-muted-foreground">{emptyMessage}</p>
{/if}
</div>
|