express-api-validator

#Express API Validator

Express middleware to declaratively validate incoming requests.

npm install express-api-validator

``javascript
app.post('/save-user', requestValidator({
body: {
username: {
validators: ['required', 'minimumLength:3']
},
address: {
properties: {
street: {
validators: ['required']
},
city: {
validators: ['required']
}
}
}
},
query: {
isAdmin: {
validators: ['required', 'enumerated:true,false']
}
},
params: {
id: {
validators: ['integer', 'minimum:0']
}
}
}),
function (req, res, next) {
res.send('Request is well formed and validated.');
}
);
``