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PrexView

Status npm version

A JavaScript module to use PrexView, a fast, scalable and friendly service for programatic HTML, PDF, PNG or JPG generation using JSON or XML data.

See PrexView for more information about the service.

Installation

npm install --save prexview

Getting started

Get your API Key

You can get an API Key from PrexView

Set up your API Key

If you can setup enviroment variables

export PXV_API_KEY="YOUR_API_KEY"

If you can't setup environment variables, create the PrexView object with your API Key as argument

pxv = new PrexView('YOUR_API_KEY');

Include the library

const PrexView = require('prexview')

Sending an XML

To send an XML string use pxv.sendXML(xml, options) method, this method will return a Promise with the Response object on success or an error if something is wrong.

Example
const fs = require('fs')
const PrexView = require('prexview')

const pxv = new Prexview();

const options = {
  template: 'supported_languages',
  output: 'pdf'
}

const xml = `<?xml version="1.0" encoding="UTF-8"?>
<languages>
  <lang code="en">English</lang>
  <lang code="es">Español</lang>
  <lang code="fr">Française</lang>
</languages>`;

const file = 'test.pdf'

pxv.sendXML(xml, options)
  .then((res) => {
    fs.writeFileSync(file, res.file)

    console.log(`File created: ${file}`)
  }).catch((err) => {
    console.log(e.message)
  })

Sending a JSON

To send a JSON string or JavaScript object use pxv.sendJSON(json, options) method, this method will return a Promise with the Response object on success or an error if something is wrong.

Example
const fs = require('fs')
const PrexView = require('prexview')

const pxv = new Prexview();

const options = {
  template: 'supported_languages',
  output: 'pdf'
}

// this can also be a valid string.
const json = {
  languages: [{
    code: 'en',
    name: 'Inglés'
  }, {
    code: 'es',
    name: 'Spanish'
  }, {
    code: 'fr',
    name: 'Française'
  }]
}

const file = 'test.pdf'

pxv.sendJSON(json, options)
  .then((res) => {
    fs.writeFileSync(file, res.file)

    console.log(`File created: ${file}`)
  }).catch((err) => {
    console.log(e.message)
  })
Response object
Property Type Description
id string Transaction ID.
file binary Document created by the service.
responseTime int Response time from service.
rateLimit int Maximum number of calls to the service.
rateLimitReset int Seconds to reset the rate limit.
rateRemaining int Number of remaining call to the service.
Options
Name Type Required Description
template string Yes Template's name to be used to document creation, you can use dynamic values.
output string Yes Type of document that will be created by PrexView service, it must be html, pdf, png or jpg.
note string No Custom information to be added to the document's metadata, it's limit up to 500 characters and you can use dynamic values.
format string No Type of data used to the document creation, it must be xml or json, this should be inferred from library methods.
templateBackup string No Template's name to use to be used if the option template is not available in the service.
Dynamic values

In template or note options you can use JSON sintax to access data and have dynamic values, for instance having the following JSON data:

{
  "Data": {
    "customer": "123"
  }
}

Your template or note can use any data attribute or text node, for instance:

'invoice-customer-{{Data.customer}}'

Then we will translate that to the following:

'invoice-customer-123'

And finally the service will try to find the template or note invoice-customer-123 in order to transform the data and generate the document.

License

MIT © PrexView