Project Title

Custom Validator

GETTING STARTED

Installation

npm install validator

Adding to the nodejs module

let validator =  require('validator');

###EXAMPLE

Validating Email

validationMethod.Email({ key: "sEmail", value: req.body.sEmail, msg: "Invalid Email" });

Validating Email

validationMethod.NotEmpty({ key: "sEmail", value: body.sEmail, msg: "Email is Required" });

Validating Email

validationMethod.UserName({ key: "sDisplayName", value: body.sDisplayName, msg: "Invalid DisplayName" });

Validating Email

validationMethod.NotEmpty({ key: "sDisplayName", value: body.sDisplayName, msg: "sDisplayName is Required" });

Validating Email

validationMethod.MinMaxChar({ key: "sDisplayName", value: body.sDisplayName, min: 3, max: 6, msg: "sDisplayName is out of range" });

Validating Email

validationMethod.MinMaxNumber({ key: "number", value: body.number, min: 5, max: 10, msg: "sDisplayName is out of range" });

Get All Errors

let VErros = validationMethod.printAllErrors();

if (VErros != {}) return res.json(VErros);

else res.json("Process ahead");

OPTIONS

Options are passed to the function in an object format

• [key] - key of the body parameter to be validate
• [value]- value of the body parameter to be validate
• [min] - Minimum length or value passed to match the condition
• [max] - Maximum length or value passed to match the condition
• [msg] - Message that should be returned id not validated

CODE EXAMPLE

app.post('/validate',(req,res,next) => {
    
    validationMethod.Email({ key: "sEmail", value: req.body.sEmail, msg: "Invalid Email" });
    validationMethod.NotEmpty({ key: "sEmail", value: req.body.sEmail, msg: "Email is Required" });
    validationMethod.UserName({ key: "sDisplayName", value: req.body.sDisplayName, msg: "Invalid DisplayName" });
    validationMethod.NotEmpty({ key: "sDisplayName", value: req.body.sDisplayName, msg: "sDisplayName is Required" });
    validationMethod.MinMaxChar({ key: "sFirstName", value: req.body.sFirstName, min: 3, max: 6, msg: "sFirstName is out of range" });
    validationMethod.MinMaxNumber({ key: "nAge", value: req.body.nAge, min: 18, max: 28, msg: "nAge is not validated" });

    let VErros = validationMethod.printAllErrors();
    if (VErros != {}) return res.json(VErros);
    return next();
},(req,res) => {
    res.json("validated data");
}) 

Authors

• Shiavm Mishra - Full Stack Developer

License

This project is licensed under the ISC License