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Formio Export Tools

GitHub package version npm (tag)

This library is a plain JavaScript export tool for Form.io componets. This allows to export any Form.io component (with or without submission data) to PDF (other formats comming soon).

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Installing

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

npm install --save formio-export

Usage

Creating a FormioExport instance

import FormioExport from 'formio-export';

let exporter = new FormioExport(component, data, options);

Using static methods

let options = {
  component: component,
  data: data,
  formio: {
    // component specific configuration
  },
  config: {
    // pdf export configuration
  }
};

FormioExport.toPdf(options).then((pdf) => {
  // do something
})

Configuration

The FormioExport instance can be initialized using the following configuration:

let options = {
  component: component    // the formio component
  data: data              // the formio component's data or submission
  formio: {
    ignoreLayout: true,   // should html render respect formio layouts (columns, lables positions, etc)
    emptyValue: 'n/a'     // default empty value for rendered components
  }
}

The PDF export is also configurable using the following parameters:

let config: {
  download: false,      // should the pdf file be downloaded once rendered
  filename: 'file.pdf', // the pdf file name
  margin: 10,           // the pdf file margins
  html2canvas: {
    scale: 2,           // scale factor for rendering the canvas (overall resolution of the canvas image)
    logging: false      // should console logging be enable during rendering
  },
  jsPDF: {
    orientation: 'p',   // PDF orientation - potrait / landscape
    unit: 'mm',         // measurement units used
    format: 'a4'        // paper size - can also accept custom (i.e. A4 - [210, 297])
  }
}

To get more information on PDF file configuration please read the following documentation:

  • html2canvas - JavaScript html to canvas renderer library
  • jsPDF - Client-sdie JavaScript PDF generator library

Simple Example

Using the FormioExport instance:

import FormioExport from 'formio-export';

let component = {
  type: 'form',
  title: 'Example',
  display: 'form',
  components: [
    {
      type: 'textfield',
      key: 'name',
      label: 'Name',
      input: true
    },
    {
      type: 'number',
      key: 'age',
      label: 'Age',
      input: true
    }
  ]
};

let submission = {
  _id: '<submission id>',
  owner: '<owner id>',
  modified: '1970-01-01T00:00:00.000Z',
  data: {
    name: 'John Doe',
    age: 25
  }
};

let options = {
  ignoreLayout: true
}

let exporter = new FormioExport(component, submission, options);

exporter.toHtml().then((html) => {
  document.body.appendChild(html);
});

let config = {
  download: false,
  filename: 'example.pdf'
};

exporter.toPdf(config).then((pdf) => {
  // download the pdf file
  pdf.save();
  // get the datauri string
  let datauri = pdf.output('datauristring');
})

Using the FormioExport static methods

let config = {
  component: component,
  data: submission,
  config
}

Building

Clone git repository:

git clone [email protected]:airarrazaval/formio-export.git

Install dependencies:

npm install

Build browser bundle

npm run build

Running the tests

Tests use samples provided in test/samples and should use Form.io's Component JSON Schema structure.

npm run test

Built With

  • js-html2pdf - Html to Pdf javascript library
  • html2canvas - JavaScript html to canvas renderer library
  • jsPDF - Client-sdie JavaScript PDF generator library

Authors

License

This project is licensed under the MIT License - see the LICENSE file for details

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