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1132 lines (973 loc) · 35.5 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>JSON Viewer</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
<style>
:root {
/* Primary Colors */
--primary: #06a77d;
--primary-container: #a5f3d8;
--on-primary: #ffffff;
--on-primary-container: #00210f;
/* Secondary Colors */
--secondary: #4a635b;
--secondary-container: #cce8e0;
--on-secondary: #ffffff;
--on-secondary-container: #05201a;
/* Tertiary Colors */
--tertiary: #3d6668;
--tertiary-container: #c2ecf0;
--on-tertiary: #ffffff;
--on-tertiary-container: #001f22;
/* Surface Colors */
--surface: #fffbfe;
--surface-dim: #ddd7e0;
--surface-bright: #fffbfe;
--surface-container-lowest: #ffffff;
--surface-container-low: #f7f2f6;
--surface-container: #f3eef2;
--surface-container-high: #ede7eb;
--surface-container-highest: #e7e1e6;
/* On Surface */
--on-surface: #1c1b20;
--on-surface-variant: #49454e;
/* Error */
--error: #b3261e;
--error-container: #f9dedc;
--on-error: #ffffff;
--on-error-container: #410e0b;
/* Outline */
--outline: #79747e;
--outline-variant: #cac7d0;
/* Inverse */
--inverse-surface: #313033;
--inverse-on-surface: #f4eff4;
--inverse-primary: #7dd9c4;
/* Spacing (4dp baseline) */
--spacing-xs: 4px;
--spacing-sm: 8px;
--spacing-md: 12px;
--spacing-lg: 16px;
--spacing-xl: 24px;
--spacing-2xl: 32px;
--spacing-3xl: 40px;
/* Corner Radius */
--radius-xs: 4px;
--radius-sm: 8px;
--radius-md: 12px;
--radius-lg: 16px;
--radius-full: 28px;
/* Elevation - Material Design 3 */
--elevation-0: none;
--elevation-1: 0px 1px 3px rgba(0, 0, 0, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.24);
--elevation-2: 0px 3px 6px rgba(0, 0, 0, 0.16), 0px 3px 6px rgba(0, 0, 0, 0.23);
--elevation-3: 0px 10px 20px rgba(0, 0, 0, 0.19), 0px 3px 6px rgba(0, 0, 0, 0.23);
--elevation-4: 0px 15px 25px rgba(0, 0, 0, 0.15), 0px 5px 10px rgba(0, 0, 0, 0.05);
--elevation-5: 0px 20px 40px rgba(0, 0, 0, 0.2);
/* Typography */
--font-display-large: 57px;
--font-display-medium: 45px;
--font-display-small: 36px;
--font-headline-large: 32px;
--font-headline-medium: 28px;
--font-headline-small: 24px;
--font-title-large: 22px;
--font-title-medium: 16px;
--font-title-small: 14px;
--font-body-large: 16px;
--font-body-medium: 14px;
--font-body-small: 12px;
--font-label-large: 12px;
--font-label-medium: 12px;
--font-label-small: 11px;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
padding: 0;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
background-color: var(--surface);
color: var(--on-surface);
font-size: var(--font-body-large);
line-height: 1.5;
}
/* Main Layout */
.wrapper {
display: grid;
grid-template-columns: 360px 1fr;
gap: var(--spacing-lg);
min-height: 100vh;
padding: var(--spacing-xl);
background-color: var(--surface);
}
/* Sidebar */
.sidebar {
display: flex;
flex-direction: column;
gap: var(--spacing-lg);
max-height: 100vh;
overflow-y: auto;
}
/* Brand Header */
.brand {
display: flex;
align-items: center;
gap: var(--spacing-md);
margin-bottom: var(--spacing-md);
}
.brand-icon {
width: 40px;
height: 40px;
display: flex;
align-items: center;
justify-content: center;
background-color: var(--primary-container);
color: var(--on-primary-container);
border-radius: var(--radius-md);
font-size: 20px;
}
.brand a {
display: flex;
flex-direction: column;
gap: var(--spacing-xs);
text-decoration: none;
color: inherit;
}
.brand-title {
font-size: var(--font-title-large);
font-weight: 700;
letter-spacing: -0.5px;
color: var(--on-surface);
}
.brand-subtitle {
font-size: var(--font-label-medium);
color: var(--on-surface-variant);
}
/* Card Container */
.card {
background-color: var(--surface-container-high);
border-radius: var(--radius-md);
padding: var(--spacing-xl);
box-shadow: var(--elevation-1);
border: 1px solid var(--outline-variant);
display: flex;
flex-direction: column;
gap: var(--spacing-md);
}
.card.elevated {
box-shadow: var(--elevation-2);
background-color: var(--surface-container-low);
}
/* Section Title */
.section-title {
font-size: var(--font-title-small);
font-weight: 600;
color: var(--on-surface-variant);
text-transform: uppercase;
letter-spacing: 0.5px;
margin: 0;
}
/* URL Input Section */
.url-input-section {
display: flex;
gap: var(--spacing-sm);
align-items: center;
}
.url-input-section input {
flex: 1;
padding: var(--spacing-md) var(--spacing-lg);
background-color: var(--surface-container-lowest);
color: var(--on-surface);
border: 1px solid var(--outline-variant);
border-radius: var(--radius-sm);
font-size: var(--font-body-medium);
font-family: 'Fira Code', 'Roboto Mono', monospace;
transition: border-color 150ms cubic-bezier(0.2, 0, 0, 1),
box-shadow 150ms cubic-bezier(0.2, 0, 0, 1),
background-color 150ms cubic-bezier(0.2, 0, 0, 1);
}
.url-input-section input:hover {
border-color: var(--on-surface-variant);
background-color: var(--surface-container);
}
.url-input-section input:focus {
outline: none;
border-color: var(--primary);
background-color: var(--surface-container-lowest);
box-shadow: 0 0 0 3px var(--primary) opacity(0.12);
}
pre {
margin: 0;
color: var(--on-surface);
white-space: pre-wrap;
word-break: break-word;
overflow-x: auto;
max-width: 100%;
}
/* Button System - Material Design 3 */
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: var(--spacing-sm);
padding: var(--spacing-md) var(--spacing-lg);
border: none;
border-radius: var(--radius-full);
font-size: var(--font-label-large);
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
cursor: pointer;
transition: all 150ms cubic-bezier(0.2, 0, 0, 1);
min-height: 48px;
min-width: 48px;
position: relative;
overflow: hidden;
}
/* Filled Button (Primary) */
.btn.filled {
background-color: var(--primary);
color: var(--on-primary);
box-shadow: var(--elevation-0);
}
.btn.filled:hover {
background-color: #059373;
box-shadow: var(--elevation-1);
}
.btn.filled:active {
box-shadow: var(--elevation-0);
}
/* Outlined Button */
.btn.outlined {
background-color: transparent;
color: var(--primary);
border: 1.5px solid var(--primary);
}
.btn.outlined:hover {
background-color: rgba(6, 168, 125, 0.08);
}
.btn.outlined:active {
background-color: rgba(6, 168, 125, 0.12);
}
/* Tonal Button */
.btn.tonal {
background-color: var(--primary-container);
color: var(--on-primary-container);
}
.btn.tonal:hover {
background-color: #8fe8d0;
box-shadow: var(--elevation-1);
}
/* Text Button */
.btn.text {
background-color: transparent;
color: var(--primary);
padding: var(--spacing-md) var(--spacing-lg);
}
.btn.text:hover {
background-color: rgba(6, 168, 125, 0.08);
}
/* Button Group */
.button-group {
display: flex;
gap: var(--spacing-sm);
flex-wrap: wrap;
align-items: center;
}
.button-group.vertical {
flex-direction: column;
}
/* Input Control */
.input-controls {
display: flex;
gap: var(--spacing-md);
flex-wrap: wrap;
}
/* Textarea */
textarea {
width: 100%;
min-height: 160px;
padding: var(--spacing-lg);
background-color: var(--surface-container-lowest);
color: var(--on-surface);
border: 1px solid var(--outline-variant);
border-radius: var(--radius-sm);
font-family: 'Fira Code', 'Roboto Mono', monospace;
font-size: var(--font-body-small);
resize: vertical;
transition: border-color 150ms cubic-bezier(0.2, 0, 0, 1),
box-shadow 150ms cubic-bezier(0.2, 0, 0, 1),
background-color 150ms cubic-bezier(0.2, 0, 0, 1);
}
textarea:hover {
border-color: var(--on-surface-variant);
background-color: var(--surface-container);
}
textarea:focus {
outline: none;
border-color: var(--primary);
background-color: var(--surface-container-lowest);
box-shadow: 0 0 0 3px rgba(6, 168, 125, 0.12);
}
/* File Input */
input[type="file"] {
display: none;
}
/* Error Message */
.error-message {
display: none;
padding: var(--spacing-md) var(--spacing-lg);
background-color: var(--error-container);
color: var(--error);
border-radius: var(--radius-sm);
border-left: 4px solid var(--error);
font-size: var(--font-body-small);
font-weight: 500;
gap: var(--spacing-md);
align-items: center;
animation: slideDown 200ms cubic-bezier(0.2, 0, 0, 1);
}
.error-message.visible {
display: flex;
}
/* File Name Display */
.file-name-display {
display: none;
padding: var(--spacing-md) var(--spacing-lg);
background-color: var(--primary-container);
color: var(--on-primary-container);
border-radius: var(--radius-sm);
font-size: var(--font-body-small);
font-weight: 500;
gap: var(--spacing-md);
align-items: center;
animation: slideDown 200ms cubic-bezier(0.2, 0, 0, 1);
}
.file-name-display.visible {
display: flex;
}
/* Main Preview Area */
.preview-panel {
display: flex;
flex-direction: column;
gap: var(--spacing-lg);
}
/* Viewer Card */
.viewer-card {
background-color: var(--surface-container-high);
border-radius: var(--radius-md);
padding: var(--spacing-xl);
box-shadow: var(--elevation-1);
border: 1px solid var(--outline-variant);
display: flex;
flex-direction: column;
gap: var(--spacing-md);
flex: 1;
min-height: 400px;
position: relative;
min-height: 800px;
max-height: 800px;
overflow: hidden;
}
/* Viewer Header Section */
.viewer-header {
display: flex;
align-items: center;
justify-content: space-between;
border-bottom: 1px solid var(--outline-variant);
padding-bottom: var(--spacing-md);
}
/* Viewer Controls */
.viewer-controls {
display: flex;
gap: var(--spacing-sm);
flex-wrap: wrap;
}
.viewer-controls .btn {
background-color: var(--surface-container);
color: var(--on-surface);
box-shadow: none;
border: none;
}
.viewer-controls .btn:hover {
background-color: var(--surface-container-highest);
}
.viewer-controls .btn.active {
background-color: var(--primary-container);
color: var(--on-primary-container);
}
/* Formatted Toggle Icon Button */
.formatted-toggle-btn {
background-color: transparent;
border: none;
color: var(--on-surface-variant);
font-size: 18px;
cursor: pointer;
padding: var(--spacing-sm);
border-radius: var(--radius-sm);
transition: all 100ms cubic-bezier(0.2, 0, 0, 1);
display: flex;
align-items: center;
justify-content: center;
}
.formatted-toggle-btn:hover {
background-color: rgba(6, 168, 125, 0.08);
color: var(--primary);
}
.formatted-toggle-btn:active {
background-color: rgba(6, 168, 125, 0.12);
}
/* JSON Viewer */
.json-viewer {
background-color: var(--surface-container-lowest);
border: 1px solid var(--outline-variant);
border-radius: var(--radius-sm);
padding: var(--spacing-lg);
flex: 1;
overflow-y: auto;
font-family: 'Fira Code', 'Roboto Mono', monospace;
font-size: var(--font-body-small);
line-height: 1.6;
position: relative;
}
pre {
margin: 0;
color: var(--on-surface);
}
/* Tree View Styling */
.tree-view {
font-family: 'Fira Code', 'Roboto Mono', monospace;
font-size: var(--font-body-small);
line-height: 1.6;
margin: 0;
}
.tree-item {
padding: var(--spacing-xs) 0;
padding-left: 20px;
border-radius: var(--radius-xs);
transition: background-color 100ms cubic-bezier(0.2, 0, 0, 1),
color 100ms cubic-bezier(0.2, 0, 0, 1);
cursor: pointer;
}
.tree-item:hover {
background-color: rgba(6, 168, 125, 0.08);
color: var(--primary);
}
.tree-key {
color: var(--primary);
font-weight: 600;
}
.tree-value {
color: #d97706;
}
.tree-value.number,
.tree-value.boolean {
color: #0891b2;
}
.tree-value.null {
color: var(--on-surface-variant);
font-style: italic;
}
.type {
color: var(--on-surface-variant);
font-size: var(--font-body-small);
}
.separator {
color: var(--on-surface-variant);
}
/* Scrollbar */
::-webkit-scrollbar {
width: 8px;
height: 8px;
}
::-webkit-scrollbar-track {
background: var(--surface-container);
}
::-webkit-scrollbar-thumb {
background: var(--outline-variant);
border-radius: var(--radius-full);
transition: background 150ms;
}
::-webkit-scrollbar-thumb:hover {
background: var(--primary);
}
/* Footer */
footer {
text-align: center;
padding: var(--spacing-lg) 0;
color: var(--on-surface-variant);
font-size: var(--font-body-small);
border-top: 1px solid var(--outline-variant);
margin-top: var(--spacing-lg);
}
/* Animations */
@keyframes slideDown {
from {
opacity: 0;
transform: translateY(-8px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
/* Responsive Design - Tablet (Medium) */
@media (max-width: 1024px) {
.wrapper {
grid-template-columns: 1fr;
gap: var(--spacing-md);
padding: var(--spacing-lg);
}
.sidebar {
max-height: auto;
}
.viewer-card {
min-height: 300px;
}
}
/* Responsive Design - Mobile (Compact) */
@media (max-width: 600px) {
:root {
--spacing-xl: 16px;
--spacing-lg: 12px;
--spacing-md: 8px;
}
.wrapper {
grid-template-columns: 1fr;
gap: var(--spacing-md);
padding: var(--spacing-lg);
min-height: auto;
}
.card,
.viewer-card {
padding: var(--spacing-lg);
}
.brand {
flex-direction: column;
align-items: flex-start;
gap: var(--spacing-sm);
}
.brand-icon {
width: 36px;
height: 36px;
font-size: 18px;
}
.brand-title {
font-size: var(--font-title-medium);
}
.url-input-section {
flex-direction: column;
}
.url-input-section input,
.url-input-section button {
width: 100%;
}
.button-group {
gap: var(--spacing-md);
}
.btn {
flex: 1;
min-height: 44px;
}
textarea {
min-height: 120px;
font-size: 13px;
}
.json-viewer {
font-size: 12px;
line-height: 1.5;
}
.viewer-controls {
flex-direction: column;
}
.viewer-card {
min-height: 250px;
}
}
/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
:root {
--surface: #1c1b20;
--surface-dim: #131119;
--surface-bright: #2a2930;
--surface-container-lowest: #0f0e13;
--surface-container-low: #1a1925;
--surface-container: #1f1e23;
--surface-container-high: #29282d;
--surface-container-highest: #343338;
--on-surface: #fffbfe;
--on-surface-variant: #cac7d0;
--outline: #938f99;
--outline-variant: #49454e;
}
}
</style>
</head>
<body>
<div class="wrapper">
<aside class="sidebar">
<div class="brand">
<div class="brand-icon">
<i class="fas fa-code"></i>
</div>
<a href="https://github.com/SayfullahSayeb/JSON-Viewer/" target="_blank">
<div class="brand-title">JSON Viewer</div>
<div class="brand-subtitle">by Sayfullah</div>
</a>
</div>
<div class="card">
<h2 class="section-title">Configuration</h2>
<div class="url-input-section">
<input type="text" id="urlInput" placeholder="Enter JSON URL">
<button id="fetchUrlBtn" class="btn filled">
<i class="fas fa-cloud-download-alt"></i> Fetch
</button>
</div>
<div class="input-controls">
<input type="file" id="fileInput" accept=".json" hidden>
<button id="uploadBtn" class="btn outlined">
<i class="fas fa-upload"></i> Upload
</button>
<button id="clearBtn" class="btn outlined">
<i class="fas fa-trash"></i> Clear
</button>
<button id="formatBtn" class="btn filled">
<i class="fas fa-code"></i> Format
</button>
<button id="dashboardBtn" class="btn outlined" style="margin-top:8px;">
<i class="fas fa-th-large"></i> JSON Dataview
</button>
</div>
<textarea id="jsonInput" placeholder="Paste your JSON here..."></textarea>
<div id="errorMessage" class="error-message">
<i class="fas fa-exclamation-circle"></i>
<span id="errorText"></span>
</div>
<div id="fileNameDisplay" class="file-name-display">
<i class="fas fa-check-circle"></i>
<span id="fileNameText"></span>
</div>
</div>
</aside>
<main class="preview-panel">
<div class="viewer-card">
<div class="viewer-header">
<h2 class="section-title">Preview</h2>
<div class="viewer-controls">
<button id="formattedToggleBtn" class="formatted-toggle-btn" title="Toggle formatted view">
<i class="fas fa-code"></i>
</button>
<button id="copyBtn" class="btn outlined">
<i class="fas fa-copy"></i> Copy
</button>
<button id="downloadBtn" class="btn outlined">
<i class="fas fa-download"></i> Download
</button>
</div>
</div>
<div id="jsonViewer" class="json-viewer">
<pre id="formattedOutput" style="display:none;"></pre>
<div id="treeView" class="tree-view"></div>
</div>
</div>
</main>
</div>
<footer>
<p>
© 2025 Sayfullah Sayeb. All rights reserved. |
<a href="https://github.com/SayfullahSayeb/JSON-Viewer" target="_blank" style="color:inherit; text-decoration:underline;">
GitHub Repo
</a>
</p>
</footer>
<script>
document.addEventListener('DOMContentLoaded', () => {
// DOM Elements
const fileInput = document.getElementById('fileInput');
const urlInput = document.getElementById('urlInput');
const jsonInput = document.getElementById('jsonInput');
const fetchUrlBtn = document.getElementById('fetchUrlBtn');
const uploadBtn = document.getElementById('uploadBtn');
const formattedOutput = document.getElementById('formattedOutput');
const treeView = document.getElementById('treeView');
const errorMessage = document.getElementById('errorMessage');
const formattedToggleBtn = document.getElementById('formattedToggleBtn');
const copyBtn = document.getElementById('copyBtn');
const downloadBtn = document.getElementById('downloadBtn');
const clearBtn = document.getElementById('clearBtn');
const formatBtn = document.getElementById('formatBtn');
// State Variables
let currentJSON = null;
let currentView = 'tree'; // Always start with tree view
// Clear Button Functionality
clearBtn.addEventListener('click', () => {
// Reset all inputs
fileInput.value = '';
urlInput.value = '';
jsonInput.value = '';
// Clear outputs
formattedOutput.textContent = '';
treeView.innerHTML = '';
errorMessage.textContent = '';
errorMessage.style.display = 'none';
// Reset state
currentJSON = null;
currentView = 'tree';
updateView();
});
// Improved Tree View Renderer
function renderTreeView(data, container) {
container.innerHTML = '';
function createDetailedTreeElement(obj, depth = 0) {
if (typeof obj !== 'object' || obj === null) {
return document.createTextNode(String(obj));
}
const treeContainer = document.createElement('div');
treeContainer.className = 'json-tree';
Object.entries(obj).forEach(([key, value]) => {
const itemWrapper = document.createElement('div');
itemWrapper.className = 'tree-item';
itemWrapper.style.paddingLeft = `${depth * 20}px`;
const keyElement = document.createElement('span');
keyElement.className = 'tree-key';
keyElement.textContent = key;
const valueElement = document.createElement('span');
valueElement.className = 'tree-value';
if (typeof value === 'object' && value !== null) {
const detailsEl = document.createElement('details');
const summaryEl = document.createElement('summary');
summaryEl.appendChild(keyElement);
summaryEl.innerHTML += Array.isArray(value)
? ` <span class="type">[${value.length} items]</span>`
: ` <span class="type">{${Object.keys(value).length} props}</span>`;
detailsEl.appendChild(summaryEl);
const nestedContent = createDetailedTreeElement(value, depth + 1);
detailsEl.appendChild(nestedContent);
itemWrapper.appendChild(detailsEl);
} else {
itemWrapper.appendChild(keyElement);
const separator = document.createElement('span');
separator.textContent = ': ';
separator.className = 'separator';
itemWrapper.appendChild(separator);
valueElement.textContent = JSON.stringify(value);
itemWrapper.appendChild(valueElement);
}
treeContainer.appendChild(itemWrapper);
});
return treeContainer;
}
container.appendChild(createDetailedTreeElement(data));
}
// Update View Function
function updateView() {
if (!currentJSON) return;
formattedOutput.style.display = 'none';
treeView.style.display = 'none';
if (currentView === 'tree') {
treeView.style.display = 'block';
renderTreeView(currentJSON, treeView);
} else {
formattedOutput.style.display = 'block';
formattedOutput.textContent = JSON.stringify(currentJSON, null, 2);
}
}
// Formatted Toggle Button
formattedToggleBtn.addEventListener('click', () => {
currentView = currentView === 'tree' ? 'formatted' : 'tree';
updateView();
// Change icon
if (currentView === 'formatted') {
formattedToggleBtn.innerHTML = '<i class="fas fa-sitemap"></i>';
formattedToggleBtn.title = 'Show tree view';
} else {
formattedToggleBtn.innerHTML = '<i class="fas fa-code"></i>';
formattedToggleBtn.title = 'Show formatted view';
}
});
// File Upload Handler
function handleFileUpload(file) {
if (!file) {
showError('No file selected');
return;
}
if (!file.name.toLowerCase().endsWith('.json')) {
showError('Please upload a valid JSON file');
fileInput.value = '';
clearFileName();
return;
}
const reader = new FileReader();
reader.onload = (e) => {
try {
currentJSON = JSON.parse(e.target.result);
urlInput.value = '';
jsonInput.value = '';
clearError();
currentView = 'tree';
displayFileName(file.name);
updateView();
} catch (error) {
showError(`JSON Parsing Error: ${error.message}`);
fileInput.value = '';
clearFileName();
}
};
reader.onerror = () => {
showError(`Error reading file "${file.name}"`);
clearFileName();
};
reader.readAsText(file);
}
// File Input Event
fileInput.addEventListener('click', (e) => {
e.target.value = '';
});
fileInput.addEventListener('change', (e) => {
const file = e.target.files[0];
handleFileUpload(file);
});
// Upload Button Event
uploadBtn.addEventListener('click', () => {
fileInput.click();
});
// URL Fetch Handler
fetchUrlBtn.addEventListener('click', async () => {
const url = urlInput.value.trim();
if (!url) {
showError('Please enter a URL');
return;
}
fetchUrlBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Fetching...';
fetchUrlBtn.disabled = true;
try {
const response = await fetch(url);
if (!response.ok) {
throw new Error(`HTTP error! Status: ${response.status}`);
}
currentJSON = await response.json();
jsonInput.value = '';
fileInput.value = '';
clearError();
clearFileName();
currentView = 'tree';
updateView();
} catch (error) {