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<script>
/** @type {*} - object or array to display */
export let json
/** @type {number} - initial expansion depth */
export let depth = Infinity
export let _cur = 0
export let _last = true
/** @type {*[]} */
let items
let isArray = false
let brackets = ['', '']
let collapsed = false
/**
* @param {*} i
* @returns {string}
*/
function getType(i) {
if (i === null) return 'null'
return typeof i
}
/**
* @param {*} i
* @returns {string}
*/
function format(i) {
const t = getType(i)
if (t === 'string') return `"${i}"`
if (t === 'function') return 'f () {...}'
if (t === 'symbol') return i.toString()
return i
}
function clicked() {
collapsed = !collapsed
}
/**
* @param {Event} e
*/
function pressed(e) {
if (e instanceof KeyboardEvent && ['Enter', ' '].includes(e.key)) clicked()
}
$: {
items = getType(json) === 'object' ? Object.keys(json) : []
isArray = Array.isArray(json)
brackets = isArray ? ['[', ']'] : ['{', '}']
}
$: collapsed = depth < _cur
</script>
{#if !items.length}
<span class="_jsonBkt empty" class:isArray>{brackets[0]}{brackets[1]}</span>{#if !_last}<span
class="_jsonSep">,</span
>{/if}
{:else if collapsed}
<span
class="_jsonBkt"
class:isArray
role="button"
tabindex="0"
on:click={clicked}
on:keydown={pressed}>{brackets[0]}...{brackets[1]}</span
>{#if !_last && collapsed}<span class="_jsonSep">,</span>{/if}
{:else}
<span
class="_jsonBkt"
class:isArray
role="button"
tabindex="0"
on:click={clicked}
on:keydown={pressed}>{brackets[0]}</span
>
<ul class="_jsonList">
{#each items as i, idx}
<li>
{#if !isArray}
<span class="_jsonKey">"{i}"</span><span class="_jsonSep">:</span>
{/if}
{#if getType(json[i]) === 'object'}
<svelte:self json={json[i]} {depth} _cur={_cur + 1} _last={idx === items.length - 1} />
{:else}
<span class="_jsonVal {getType(json[i])}">{format(json[i])}</span
>{#if idx < items.length - 1}<span class="_jsonSep">,</span>{/if}
{/if}
</li>
{/each}
</ul>
<span
class="_jsonBkt"
class:isArray
role="button"
tabindex="0"
on:click={clicked}
on:keydown={pressed}>{brackets[1]}</span
>{#if !_last}<span class="_jsonSep">,</span>{/if}
{/if}
<style>
:where(._jsonList) {
list-style: none;
margin: 0;
padding: 0;
padding-left: var(--jsonPaddingLeft, 1rem);
border-left: var(--jsonBorderLeft, 1px dotted);
}
:where(._jsonBkt) {
color: var(--jsonBracketColor, currentcolor);
}
:where(._jsonBkt):not(.empty):hover {
cursor: pointer;
background: var(--jsonBracketHoverBackground, #e5e7eb);
}
:where(._jsonSep) {
color: var(--jsonSeparatorColor, currentcolor);
}
:where(._jsonKey) {
color: var(--jsonKeyColor, currentcolor);
}
:where(._jsonVal) {
color: var(--jsonValColor, #9ca3af);
}
:where(._jsonVal).string {
color: var(--jsonValStringColor, #059669);
}
:where(._jsonVal).number {
color: var(--jsonValNumberColor, #d97706);
}
:where(._jsonVal).boolean {
color: var(--jsonValBooleanColor, #2563eb);
}
</style>
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