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@formio/core

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@formio/core

JavaScript powered Forms with JSON Form Builder

5.0.0-m.14
Source
npm

Version published: 2 years ago

Weekly downloads: 6.4K; decreased by-13.7%

Maintainers: 5

Weekly downloads

Created: 4 years ago

Source

JavaScript powered forms and SDK for Form.io

This library is a plain JavaScript form renderer and SDK for Form.io. This allows you to render the JSON schema forms produced by Form.io and render those within your application using plain JavaScript, as well as provides an interface SDK to communicate to the Form.io API's. The benefits of this library include.

Plain JavaScript implementation using ES6 and Modern practices (no jQuery, Angular, React, or any other framework dependency)
Renders a JSON schema as a webform and hooks up that form to the Form.io API's
Complete Form Builder which creates the JSON schema used to render the forms.
Nested components, layouts, Date/Time, Select, Input Masks, and many more included features
Full JavaScript API SDK library on top of Form.io

Form.io is Hiring!

If you like what you see, and would like to come and work for a cutting edge, Open Source core company, then please apply online @ https://form-talent.freshteam.com/jobs!

Examples and Demonstration

To find out more about this library as well as see a demonstration of what you can do with this library, go to the Examples and Demo site @ https://formio.github.io/formio.js

Installation

To install this SDK into your project, you can use the following command within your terminal.

npm install --save formiojs

Form Building

This library has a very powerful JSON form builder, and can be used like the following.

<html>
  <head>
    <link rel='stylesheet' href='https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css'>
    <link rel='stylesheet' href='https://unpkg.com/formiojs@latest/dist/formio.full.min.css'>
    <script src='https://unpkg.com/formiojs@latest/dist/formio.full.min.js'></script>
    <script type='text/javascript'>
      window.onload = function() {
        Formio.builder(document.getElementById('builder'), {}, {});
      };
    </script>
  </head>
  <body>
    <div id='builder'></div>
  </body>
</html>

This will create a robust Form builder embedded right within your own application. See Our Demo Page for an example.

Form Rendering

The following is a simple example on how to render a form within your HTML application.

<html>
  <head>
    <link rel='stylesheet' href='https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css'>
    <link rel='stylesheet' href='https://unpkg.com/formiojs@latest/dist/formio.full.min.css'>
    <script src='https://unpkg.com/formiojs@latest/dist/formio.full.min.js'></script>
    <script type='text/javascript'>
      window.onload = function() {
        Formio.createForm(document.getElementById('formio'), 'https://examples.form.io/example');
      };
    </script>
  </head>
  <body>
    <div id='formio'></div>
  </body>
</html>

This will render the following form within your application.

Alt text

You can also render JSON directly instead of referencing the embed URL from Form.io.

Formio.createForm(document.getElementById('formio'), {
  components: [
    {
      type: 'textfield',
      key: 'firstName',
      label: 'First Name',
      placeholder: 'Enter your first name.',
      input: true
    },
    {
      type: 'textfield',
      key: 'lastName',
      label: 'Last Name',
      placeholder: 'Enter your last name',
      input: true
    },
    {
      type: 'button',
      action: 'submit',
      label: 'Submit',
      theme: 'primary'
    }
  ]
});

This will render the JSON schema of the form within your application.

JSFiddle

A great way to play around with this renderer is to use JSFiddle, which serves as a good sandbox environment. Here is an example that you can fork and make your own!

http://jsfiddle.net/travistidwell/v38du9y1/

Wizard Rendering

This library can also be used to render a form wizard within your application using the same method as rendering a form. The determiniation on whether it should render as a wizard or not is based on the display property of the form schema being set to wizard.

<html>
  <head>
    <link rel='stylesheet' href='https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css'>
    <link rel='stylesheet' href='https://unpkg.com/formiojs@latest/dist/formio.full.min.css'>
    <script src='https://unpkg.com/formiojs@latest/dist/formio.full.min.js'></script>
    <script type='text/javascript'>
      window.onload = function() {
        Formio.createForm(document.getElementById('formio'), 'https://examples.form.io/wizard');
      };
    </script>
  </head>
  <body>
    <div id='formio'></div>
  </body>
</html>

Form Embedding

You can also use this library as a JavaScript embedding of the form using a single line of code. For example, to embed the https://examples.form.io/example form within your application you can simply use the following embed code.

<script src="https://unpkg.com/formiojs@latest/dist/formio.embed.min.js?src=https://examples.form.io/example"></script>

For an example of how this looks and works, check out the following Form.io Form Embedding CodePen

Full Form Renderer Documentation

For a more complete documentation of how to utilize this library within your application go to the Form Renderer documentation within the Wiki

JavaScript SDK

In addition to having a Form Renderer within this application, you can also use this library as a JavaScript SDK in your application. For example, to load a Form, and then submit that form you could do the following within your JavaScript.

<html>
  <head>
    <script src='https://unpkg.com/formiojs@latest/dist/formio.full.min.js'></script>
    <script type='text/javascript'>
      var formio = new Formio('https://examples.form.io/example');
      formio.loadForm().then(function(form) {
      
        // Log the form schema.
        console.log(form);
        
        formio.saveSubmission({data: {
          firstName: 'Joe',
          lastName: 'Smith',
          email: 'joe@example.com'
        }}).then(function(submission) {
        
          // Log the full submission object.
          console.log(submission);
        });
      });
    </script>
  </head>
</html>

You can also use this within an ES6 application as follows.

import Formio from 'formiojs';
let formio = new Formio('https://examples.form.io/example');
formio.loadForm((form) => {
  console.log(form);
  formio.saveSubmission({data: {
    firstName: 'Joe',
    lastName: 'Smith',
    email: 'joe@example.com'
  }}).then((submission) => {
    console.log(submission);
  });
});

JavaScript SDK Documentation.

For more complete documentation over the JavaScript SDK, please take a look at the JavaScript SDK within the wiki.

Full Developer API Documentation

To view the full SDK Documentation, go to Developer SDK Documentation

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Package last updated on 26 Oct 2022

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