moved api from monorepo

middleware/error.js

@@ -0,0 +1,31 @@
+import ErrorResponse from '../utils/errorResponse.js'
+
+const errorHandler = (err, req, res, next) => {
+  let error = { ...err }
+  error.message = err.message
+  console.log(err.stack.red)
+
+  //Mongoose bad ObjectId
+  if (err.name === 'CastError') {
+    const message = `Resource not found${typeof(err.value) === 'string' ? ` with id of ${err.value}` : ''}`
+    error = new ErrorResponse(message, 404)
+  }
+
+  //Mongoose duplicate key
+  if (err.code === 11000) {
+    const message = `Duplicate field value entered`
+    error = new ErrorResponse(message, 400)
+  }
+
+  //Mongoose validation error
+  if(err.name === 'ValidationError') {
+    const message = Object.values(err.errors).map(val => val.message)
+    error = new ErrorResponse(message, 400)
+  }
+  res.status(error.statusCode || 500).json({
+    success: false,
+    error: error.message || 'Server Error',
+  })
+}
+
+export default errorHandler