whoops

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An express middleware validator.

This validator provides the following features:

• checkArray(value, [message]): check if value is an array
• checkArrayEmpty(value, [message]): check if value is an array and not empty
• checkBoolean(value, [message]): check if value is a boolean
• checkNumber(value, [message]): check if value is a number
• checkNumberEmpty(value, [message]): check if value is a number and not zero or negative
• checkObjectId(value, [message]): check if value is an ObjectId (mongoose)
• checkString(value, [message]): check if value is a string
• checkStringEmpty(value, [message]): check if value is a string and not empty

Installation

• Install package

$ npm install --save @robertoachar/whoops

Usage

• Import whoops

const express = require('express');
const whoops = require('@robertoachar/whoops');

• Initialize whoops

const app = express();
app.use(whoops());

• Use whoops

app.post('/', (req, res) => {
  req.whoops.checkStringEmpty(req.body.name, 'Enter a name');

  res.json({ name: req.body.name });
});

• Error Handling

app.use((err, req, res, next) => {
  if (err && err.name === 'WhoopsError') {
    return res.status(400).json({ message: err.message }); // Enter a name
  }

  next(err);
});

Development

• Cloning the repo

$ git clone https://github.com/robertoachar/whoops.git

• Installing dependencies

$ npm install

• Running scripts

Action	Usage
Linting code	npm run lint
Running unit tests	npm run jest
Running code coverage	npm run coverage
Running lint + tests	npm test
Sending coverage results to Coveralls.io	npm run coveralls

Author

Roberto Achar

License

MIT