validator

Note
Segment has paused maintenance on this project, but may return it to an active status in the future. Issues and pull requests from external contributors are not being considered, although internal contributions may appear from time to time. The project remains available under its open source license for anyone to use.

Validate a value against a set of rules.

Installation

$ npm install @segment/validator

Example

var Validator = require('validator');

Validator()
  .rule(required, 'required')
  .rule(isEmail, 'email')
  .validate('test', function (err, valid, context) {
    valid; // false
    context; // "email"
  });

API

Validator(options)

Create a new Validator with options:

{
  optional: false  // whether return true on empty values
}

#rule(fn, [context])

Add a new rule fn to the validator, with an optional context.

#validate(value, callback)

Validate the given value. If the validation fails, the context from the associated rule will be passed to the callback.

Probes

• validator:<function-name>:start
• validator:<function-name>:end

License

MIT