xml-beautify

XML pretty formatter that corresponds to the self-closing empty elements.

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xml-beautify
npm version
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xml-beautify - pretty-print text in XML formats.
It is licensed under MIT license.
How to use?
var beautifiedXmlText = new XmlBeautify().beautify(srcXmlText, 
    {
        indent: "  ",  //indent pattern like white spaces
        useSelfClosingElement: true //true:use self-closing element when empty element.
    });

Example of result

BEFORE source XML
<?xml version="1.0" encoding="utf-8"?><example version="2.0">
  <head>
    <title>Original Title</title>
  </head>
  <body>
    <element message="Greeting" title="Chapter1">
      <element message="We say good morning in the morning."></element><element message="We say hello at noon."/>
      <element message="We say good evening at night."/>
    </element>
    <element message="Thank" title="Chapter2">
      <element>value</element>
      <element></element><foo><![CDATA[ < > & ]]></foo>
    </element>
  </body>
</example>

AFTER beautified XML
<?xml version="1.0" encoding="utf-8"?>
<example version="2.0">
  <head>
    <title>Original Title</title>
  </head>
  <body>
    <element message="Greeting" title="Chapter1">
      <element message="We say good morning in the morning." />
      <element message="We say hello at noon." />
      <element message="We say good evening at night." />
    </element>
    <element message="Thank" title="Chapter2">
      <element>value</element>
      <element />
      <foo><![CDATA[ < > & ]]></foo>
    </element>
  </body>
</example>
Install

install via npm

npm install xml-beautify

use from CDN

<script src="https://cdn.jsdelivr.net/npm/xml-beautify@1.2.1/dist/XmlBeautify.js"></script>
Demo

demo on the web

https://riversun.github.io/xml-beautify/index.html

demo on node.js

clone this project and type
git clone https://github.com/riversun/xml-beautify.git
npm start
Run on Browser
<!DOCTYPE html>
<html lang="en">
<body>
<script src="https://cdn.jsdelivr.net/npm/xml-beautify@1.2.1/dist/XmlBeautify.js"></script>
<script>
  const srcXmlText = `<?xml version="1.0" encoding="utf-8"?><example version="2.0">
  <head>
    <title>Original Title</title>
  </head>
  <body>
    <element message="Greeting" title="Chapter1">
      <element message="We say good morning in the morning."></element><element message="We say hello at noon."/>
      <element message="We say good evening at night."/>
    </element>
    <element message="Thank" title="Chapter2">
      <element>value</element>
      <element></element>
    </element>
  </body>
</example>`;

  const beautifiedXmlText = new XmlBeautify().beautify(srcXmlText);
  console.log(beautifiedXmlText);


</script>
</body>
</html>
Run on Node.js
To run XmlBeautify on node.js, need to install an external DOMParser like as follows.
npm install xmldom 

And specify it as follows,
new XmlBeautify({ parser: DOMParser })

  • Example for Node.js

const XmlBeautify = require('xml-beautify');
const { DOMParser } = require('xmldom');// When used in a node.js environment, DOMParser is needed.
const srcXmlText = `<?xml version="1.0" encoding="utf-8"?><example version="2.0">
  <head>
    <title>Original Title</title>
  </head>
  <body>
    <element message="Greeting" title="Chapter1">
      <element message="We say good morning in the morning."></element><element message="We say hello at noon."/>
      <element message="We say good evening at night."/>
    </element>
    <element message="Thank" title="Chapter2">
      <element>value</element>
      <element></element>
    </element>
  </body>
</example>`;

const beautifiedXmlText = new XmlBeautify({ parser: DOMParser }).beautify(srcXmlText);
console.log(beautifiedXmlText);