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incomplete-json-printer.html
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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>Incomplete JSON Pretty Printer</title>
<style>
:root {
--primary-color: #3498db;
--secondary-color: #2980b9;
--background-color: #f9f9f9;
--card-background: #ffffff;
--text-color: #333333;
--border-color: #e0e0e0;
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: var(--text-color);
background-color: var(--background-color);
padding: 20px;
max-width: 1000px;
margin: 0 auto;
}
.container {
display: flex;
flex-direction: column;
gap: 20px;
}
.card {
background: var(--card-background);
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
padding: 20px;
transition: all 0.3s ease;
}
h2 {
color: var(--primary-color);
margin-bottom: 10px;
font-weight: 600;
}
h3 {
margin-bottom: 10px;
}
p {
margin-bottom: 15px;
color: #666;
}
textarea {
width: 100%;
height: 180px;
font-family: 'Consolas', 'Monaco', monospace;
font-size: 14px;
padding: 12px;
border-radius: 6px;
border: 1px solid var(--border-color);
resize: vertical;
transition: border 0.3s ease;
}
textarea:focus {
outline: none;
border-color: var(--primary-color);
box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}
.button-group {
display: flex;
gap: 10px;
margin: 15px 0;
flex-wrap: wrap;
}
button {
background-color: var(--primary-color);
color: white;
border: none;
padding: 10px 16px;
font-size: 14px;
border-radius: 6px;
cursor: pointer;
transition: background-color 0.3s ease;
display: flex;
align-items: center;
gap: 6px;
}
button:hover {
background-color: var(--secondary-color);
}
pre {
background: #f0f0f0;
padding: 15px;
border-radius: 6px;
border-left: 4px solid var(--primary-color);
overflow-x: auto;
white-space: pre-wrap;
word-wrap: break-word;
font-family: 'Consolas', 'Monaco', monospace;
font-size: 14px;
line-height: 1.5;
min-height: 50px;
}
.output-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
}
.copy-button {
background-color: #f0f0f0;
color: #333;
padding: 6px 12px;
border-radius: 4px;
font-size: 12px;
}
.copy-button:hover {
background-color: #e0e0e0;
}
.copy-success {
background-color: #27ae60;
color: white;
}
/* Responsive adjustments */
@media (max-width: 768px) {
body {
padding: 12px;
}
textarea {
height: 150px;
}
}
@media (max-width: 480px) {
.button-group {
flex-direction: column;
}
button {
width: 100%;
justify-content: center;
}
}
</style>
</head>
<body>
<div class="container">
<div class="card">
<h2>Incomplete JSON Pretty Printer</h2>
<p>Format truncated or incomplete JSON into a readable structure - updates automatically as you type.</p>
<textarea id="inputJson" placeholder="Paste incomplete JSON here..."></textarea>
<div class="button-group">
<button id="exampleButton">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
<polyline points="14 2 14 8 20 8"></polyline>
<line x1="16" y1="13" x2="8" y2="13"></line>
<line x1="16" y1="17" x2="8" y2="17"></line>
<polyline points="10 9 9 9 8 9"></polyline>
</svg>
Load Pelican Example
</button>
<button id="clearButton">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="3" y="3" width="18" height="18" rx="2" ry="2"></rect>
<line x1="9" y1="9" x2="15" y2="15"></line>
<line x1="15" y1="9" x2="9" y2="15"></line>
</svg>
Clear
</button>
</div>
</div>
<div class="card">
<div class="output-header">
<h3>Formatted JSON</h3>
<button id="copyButton" class="copy-button">
<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect>
<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
</svg>
Copy to Clipboard
</button>
</div>
<pre id="outputJson"></pre>
</div>
</div>
<script>
document.addEventListener('DOMContentLoaded', function() {
const inputJson = document.getElementById('inputJson');
const outputJson = document.getElementById('outputJson');
const copyButton = document.getElementById('copyButton');
const exampleButton = document.getElementById('exampleButton');
const clearButton = document.getElementById('clearButton');
// Auto-update when input changes
inputJson.addEventListener('input', function() {
updateOutput();
});
// Copy to clipboard functionality
copyButton.addEventListener('click', function() {
const textToCopy = outputJson.textContent;
navigator.clipboard.writeText(textToCopy).then(function() {
// Success feedback
copyButton.classList.add('copy-success');
copyButton.textContent = '✓ Copied!';
setTimeout(function() {
copyButton.classList.remove('copy-success');
copyButton.innerHTML = '<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path></svg> Copy to Clipboard';
}, 2000);
});
});
// Load example JSON
exampleButton.addEventListener('click', function() {
const pelicanExample = `{"pelican":{"name":"Brown Pelican","scientificName":"Pelecanus occidentalis","features":{"wingspan":"2.3 meters","weight":"3.5 kg","colors":["brown","white","gray"]},"habitat":"coastal areas","diet":["fish","crustaceans"],"conservation`;
inputJson.value = pelicanExample;
updateOutput();
});
// Clear input
clearButton.addEventListener('click', function() {
inputJson.value = '';
outputJson.textContent = '';
});
// Function to update output
function updateOutput() {
const input = inputJson.value.trim();
if (!input) {
outputJson.textContent = '';
return;
}
const formatted = prettyFormat(input);
outputJson.textContent = formatted;
}
// Function to format JSON
function prettyFormat(jsonString) {
let result = '';
let indentLevel = 0;
let inString = false;
const indentSize = 2;
for (let i = 0; i < jsonString.length; i++) {
const char = jsonString[i];
const prevChar = i > 0 ? jsonString[i - 1] : '';
// Handle string content
if (char === '"' && prevChar !== '\\') {
inString = !inString;
result += char;
continue;
}
if (inString) {
// Inside string, add characters as-is
result += char;
} else {
// Outside string, format JSON
switch (char) {
case '{':
case '[':
result += char;
indentLevel++;
result += '\n' + ' '.repeat(indentLevel * indentSize);
break;
case '}':
case ']':
indentLevel--;
result = result.trimEnd();
result += '\n' + ' '.repeat(indentLevel * indentSize) + char;
break;
case ',':
result += char;
result += '\n' + ' '.repeat(indentLevel * indentSize);
break;
case ':':
result += ': ';
break;
case ' ':
case '\n':
case '\r':
case '\t':
// Skip all whitespace in non-string context
break;
default:
result += char;
break;
}
}
}
return result;
}
// Initialize on page load
updateOutput();
});
</script>
</body>
</html>