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JSON Viewer

An interactive, collapsible JSON tree with line numbers and truncation.

Preview

package.json

Controls

Theme
Surface
Direction
Viewport

Device view renders in an isolated frame so real responsive breakpoints apply. Switch to Full for overflowing popovers.

Installation

terminal
php artisan ui:add json-viewer

Behavior layer (Alpine)

This component installs a self-registering Alpine module to resources/js/ui/json-viewer.js. Import the behavior layer once from your bundle so it loads (it hooks alpine:init):

resources/js/ui/index.js JS
import './json-viewer.js';

Registry contract

Install confidence

php artisan ui:add json-viewer writes only the generated targets below. The CLI validates each file hash before writing and prompts before replacing local changes unless --force is used.

Version
1.0.0
License
open
Stability
stable
Contract
v2
Foundation
≥ 1.0.0
Type Generated target
blade resources/views/components/ui/json-viewer.blade.php
js resources/js/ui/json-viewer.js

Registry dependencies

None.

Package dependencies

composer: jml/brok:^1.0

npm: alpinejs

Guidance

Scannable data display

Present data for rapid scanning.

Use when

  • Use to summarize, sequence, or present data so users can scan it quickly. Do not add display-only ornament when the user needs actionable structure or exact comparison instead.

Avoid when

  • Avoid using json-viewer as a default simply because it is available in the library. Choose it only when its interaction cost, visibility, and behavior match the job to be done.
Task length
short
Interaction cost
low
Interruptiveness
none
Input precision
none
Mobile / touch risk
low
Accessibility risk
medium
Needs background context
No
Comparison needed
Yes

Preferred alternatives

  • Table for exact comparison
  • Plain text for a single value

Anti-patterns

  • Adding display ornament without informational value

API

manifest knowledge + registry-derived coverage

Props

Prop Type / values Default Description
data array [] Declared by @props in the registry Blade source.
title mixed|null null Declared by @props in the registry Blade source.
showLineNumbers bool true Declared by @props in the registry Blade source.
showColorIndent bool false Declared by @props in the registry Blade source.
collapseOn string click Declared by @props in the registry Blade source.
defaultExpanded bool false Declared by @props in the registry Blade source.
truncation mixed|null null Declared by @props in the registry Blade source.

Slots

Components use the default Blade slot unless a documented subcomponent is installed by the registry item.

Data slots

json-viewer

Capabilities

wcag-2.2-aa-target interactive responsive rtl darkMode localized

Behavior

  • Uses server-rendered Blade and semantic HTML.
  • Installs a JavaScript behavior module when the registry item includes resources/js/ui files.
  • Declares registry capability flags: a11y, interactive, responsive, rtl, darkMode, localized.

Usage

previews.components.json-viewer.default.blade.php Blade
@php
    $data = [
        'name' => 'jml/brok',
        'version' => '1.1.0',
        'open' => true,
        'components' => ['button', 'timeline', 'heatmap', 'flip-clock'],
        'meta' => [
            'license' => 'MIT',
            'downloads' => 1280,
            'nested' => ['level' => 2, 'items' => [1, 2, 3]],
        ],
    ];
@endphp

<x-ui.json-viewer :data="$data" title="package.json" :default-expanded="2" class="w-full max-w-md" />

Accessibility & localization

WCAG 2.2 AA RTL-ready data-slot Keyboard focus-visible Localized labels
  • Accessibility target: wcag-2.2-aa-target.
  • Uses semantic HTML and a stable data-slot attribute for styling/scripting hooks.
  • Focus-visible rings use the ring token so keyboard focus is always visible.
  • Disabled and invalid states are conveyed to assistive tech, not by color alone.
  • Targets WCAG 2.2 AA; verify contrast in light, dark, admin and customer surfaces above.
  • Labels go through __() and the component uses logical properties (ms-*, text-start, start-*) so it mirrors correctly — flip the preview to RTL to confirm.

Source

The exact, editable file ui:add writes into your app — copy it or own the whole thing. Previews render this same code; there are no preview-only components.

Changelog

Current version: v1.0.0. See the site changelog for the full release history.