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hmpo-form-controller

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hmpo-form-controller

Implements a request pipeline for GET and POST of forms, with input cleaning/formatting and validation.

0.0.0
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passports-form-controller

Implements a request pipeline for GET and POST of forms, with input cleaning/formatting and validation.

Usage

Basic usage:

var Form = require('hmpo-form-controller');

var form = new Form({
    template: 'form',
    fields: {
        name: {
            validate: 'required'
        }
    }
});

app.use('/', form.requestHandler());

This won't really be very useful though, since all it will do is render the "form" template on / and respond to GET and POST requests.

For real-world usage you will probably want to extend the Form class to create your own controllers.

var Form = require('hmpo-form-controller'),
    util = require('util');

var MyForm = function (options) {
    Form.call(this, options);
};

util.inherits(MyForm, Form);

module.exports = MyForm;

The Form class allows for a number of insertion points for extended functionality:

  • process Allows for custom formatting and processing of input prior to validation
  • validate Allows for custom input validation
  • getValues To define what values the fields are populated with on GET
  • saveValues To define what is done with successful form submissions

All of these methods take three arguments of the request, the response and a callback. In all cases the callback should be called with a first argument representing an error.

  • getErrors/setErrors Define how errors are persisted between the POST and subsequent GET of a form step.
  • locals Define what additional variables a controller exposes to its template

These methods are synchronous and take only the request and response obejct as arguments.

FAQs

Package last updated on 25 Feb 2015

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