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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | +<head> |
| 4 | + <meta charset="UTF-8"> |
| 5 | + <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| 6 | + <title>Incomplete JSON Pretty Printer</title> |
| 7 | + <style> |
| 8 | + body { |
| 9 | + font-family: Arial, sans-serif; |
| 10 | + margin: 20px; |
| 11 | + background-color: #f7f7f7; |
| 12 | + } |
| 13 | + textarea { |
| 14 | + width: 100%; |
| 15 | + height: 200px; |
| 16 | + font-family: monospace; |
| 17 | + font-size: 14px; |
| 18 | + } |
| 19 | + pre { |
| 20 | + background: #fff; |
| 21 | + padding: 10px; |
| 22 | + border: 1px solid #ddd; |
| 23 | + border-radius: 4px; |
| 24 | + white-space: pre-wrap; |
| 25 | + word-wrap: break-word; |
| 26 | + } |
| 27 | + </style> |
| 28 | +</head> |
| 29 | +<body> |
| 30 | + <h2>Incomplete JSON Pretty Printer</h2> |
| 31 | + <p>Pretty-print JSON even if it is truncated and not a full document.</p> |
| 32 | + <textarea id="inputJson" placeholder="Paste incomplete JSON here..."></textarea> |
| 33 | + <br> |
| 34 | + <button onclick="prettyPrintJson()">Pretty Print JSON</button> |
| 35 | + <h3>Formatted JSON:</h3> |
| 36 | + <pre id="outputJson"></pre> |
| 37 | + |
| 38 | + <script> |
| 39 | + function prettyPrintJson() { |
| 40 | + const input = document.getElementById('inputJson').value; |
| 41 | + const formattedJson = prettyFormat(input); |
| 42 | + document.getElementById('outputJson').textContent = formattedJson; |
| 43 | + } |
| 44 | + |
| 45 | + function prettyFormat(jsonString) { |
| 46 | + let result = ''; |
| 47 | + let indent = 0; |
| 48 | + let inString = false; |
| 49 | + const indentStep = 2; |
| 50 | + |
| 51 | + for (let i = 0; i < jsonString.length; i++) { |
| 52 | + const char = jsonString[i]; |
| 53 | + const prevChar = i > 0 ? jsonString[i - 1] : ''; |
| 54 | + |
| 55 | + if (char === '"' && prevChar !== '\\') { |
| 56 | + inString = !inString; |
| 57 | + result += char; |
| 58 | + } else if (!inString && (char === '{' || char === '[')) { |
| 59 | + indent += indentStep; |
| 60 | + result += char + '\n' + ' '.repeat(indent); |
| 61 | + } else if (!inString && (char === '}' || char === ']')) { |
| 62 | + indent -= indentStep; |
| 63 | + result += '\n' + ' '.repeat(indent) + char; |
| 64 | + } else if (!inString && char === ',') { |
| 65 | + result += char + '\n' + ' '.repeat(indent); |
| 66 | + } else { |
| 67 | + result += char; |
| 68 | + } |
| 69 | + } |
| 70 | + |
| 71 | + return result; |
| 72 | + } |
| 73 | + </script> |
| 74 | +</body> |
| 75 | +</html> |
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