Middleware to help you to resolve syntax errors in your express server
Tired/Concerned of seeing your server throwing Syntax error when an invalid JSON data is forced down it's throat?
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<pre>SyntaxError: Unexpected string in JSON at position 53<br> at JSON.parse (<anonymous>)<br> at parse (/home/touchcore/Desktop/TC/tc-back-office/node_modules/body-parser/lib/types/json.js:89:19)<br> at /home/touchcore/Desktop/TC/tc-back-office/node_modules/body-parser/lib/read.js:121:18<br> at invokeCallback (/home/touchcore/Desktop/TC/tc-back-office/node_modules/raw-body/index.js:224:16)<br> at done (/home/touchcore/Desktop/TC/tc-back-office/node_modules/raw-body/index.js:213:7)<br> at IncomingMessage.onEnd (/home/touchcore/Desktop/TC/tc-back-office/node_modules/raw-body/index.js:273:7)<br> at IncomingMessage.emit (events.js:327:22)<br> at endReadableNT (_stream_readable.js:1220:12)<br> at processTicksAndRejections (internal/process/task_queues.js:84:21)</pre>
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</html>This small middleware will help you to resolve syntax errors in your express server by allowing you to catch the error early and returning a cleaner error
{
"status": "fail",
"message": "The server is unable to process your request as it is badly malformed!
}
Install via npm
npm install github:mustaphee/resolve-syntax-error --saveConfiguration is easy, as ac b, c. Just require('resolve-syntax-error') place it below your json parser (express.json() or body-parser)
const resolveSyntaxErr = require('resolve-syntax-error')
...
const app = express();
...
app.use(express.json());
app.use(resolveSyntaxErr()); // That's all, really!
...You can also pass in your custom response. It can be JSON, HTML, text or any format allowed by express .send()
app.use(resolveSyntaxErr({ error: 'Why are you sending a bad json?' })); // Torture their conscience!or
app.use(resolveSyntaxErr('<p>Really? A bad JSON? Really?</p>')); // Wasn't hard, was it?!npm test
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