Created
April 6, 2016 20:39
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link rel="stylesheet" href="style.css"> | |
| <style> | |
| textarea { | |
| width: calc(100% - .5em); | |
| height: 50vh; | |
| } | |
| pre { | |
| width: calc(100% - 2em); | |
| border: 1px solid #ccc; | |
| padding: 1em; | |
| border-radius: 6px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <textarea id="input" cols="30" rows="10"></textarea> | |
| <pre id="output"></pre> | |
| <script type="text/javascript"> | |
| var input = document.getElementById('input'); | |
| var output = document.getElementById('output'); | |
| input.addEventListener('change', handler); | |
| input.addEventListener('keyup', handler); | |
| function handler(e) { | |
| var result; | |
| try { | |
| result = JSON.stringify(jsonToSchema(JSON.parse(e.target.value)), null, 2); | |
| } catch (e) { | |
| result = 'Error: ' + e.message; | |
| } | |
| output.textContent = result; | |
| } | |
| function jsonToSchema(obj) { | |
| var type = typeof obj; | |
| switch (type) { | |
| case 'object': | |
| for (var key in obj) { | |
| obj[key] = jsonToSchema(obj[key]); | |
| } | |
| return obj; | |
| default: | |
| return type; | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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