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dynamic-xml-builder

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dynamic-xml-builder

dynamic XML builder

0.1.10
latest
Source
npm

Version published: last year

Weekly downloads: 6; decreased by-92.21%

Maintainers: 1

Weekly downloads

Created: 6 years ago

Source

dynamic-xml-builder

Intro

Dynamically create XML from JS objects.

const XMLObject = require('dynamic-xml-builder');

const data = new XMLObject('data');

data.user._type = 'person'
data.user.email = 'john@johnjohnnyandjohnson.com'
data.user.aliases.alias = ['John', 'Johnny', 'Johnson']
data.toXML()

<data>
    <user type="person">
        <email>john@johnjohnnyandjohnson.com</email>
        <aliases>
            <alias>John</alias>
            <alias>Johnny</alias>
            <alias>Johnson</alias>
        </aliases>
    </user>
</data>

Examples

PS. The examples use HTML because it's a well-known XML.

Object manipulation:

const XMLObject = require('dynamic-xml-builder');

var xml = new XMLObject('html');

// assign an attribute
xml._lang = 'en';
// assign a whole object
xml.head = {
    meta: {
        _charset: 'utf-8'
    }
}
// go deeper
xml.head.title = 'example'
// or more complex
xml.body = {
    div: {
        _class: 'my-design',
        p: [
            'hello', 'how', 'are', 'you'
        ],
        br: null
    }
}
// or assign a property in a non-existing path
xml.body.div.div.p = 'great'

<html lang="en">
	<head>
		<meta charset="utf-8"/>
		<title>example</title>
	</head>
	<body>
		<div class="my-design">
			<p>hello</p>
			<p>how</p>
			<p>are</p>
			<p>you</p>
			<br/>
			<div>
				<p>great</p>
			</div>
		</div>
	</body>
</html>

Configure output formatting:

xml.toXML({
    indent: 2, newLine: '\n'
})

<html lang="en">
  <head>
    <meta charset="utf-8"/>
    <title>example</title>
  </head>
  <body>
    <div class="my-design">
      <p>hello</p>
      <p>how</p>
      <p>are</p>
      <p>you</p>
      <br/>
      <div>
        <p>great</p>
      </div>
    </div>
  </body>
</html>

Every element in the object tree (except for assigned primitive values) is an XMLObject. Therefore the same functionality applies to those objects:

xml.head.toXML()

<head>
    <meta charset="utf-8"/>
    <title>example</title>
</head>

Output a plain object:

xml.head.toObject()

{ head: { meta: { _charset: 'utf-8' }, title: 'example' } }

When you need to directy assign value to element you can use a value selector (_value by default):

var xml = new XMLObject('a')
xml._href = 'https://www.example.com'
xml._value = 'Click me!'

<a href="https://www.example.com">Click me!</a>

Requirements

Since this is based on ES6 proxies, then ES6 support is required:

Node 6.4.0+
Browsers (caniuse.com)

Constructor overloads

new XMLObject('html')
new XMLObject('html', {head: {}, body: {}})
new XMLObject('html', {head: {}, body: {}}, ...options)
new XMLObject({html: {head: {}, body: {}}})
new XMLObject({html: {head: {}, body: {}}}, ...options)

Options

Different options can be passed to the constructor or toXML(options) method

Name	Default	Usage	Description
attrSel	"_"	constructor	used to identify attributes (attrSel + attributeName, i.e. "_charset")
valueSel	"_value"	constructor	used to set the element value directly
defVal	""	constructor	default value to use when element value has not been provided
indent	"\t"	toXML	indent definition, can be any string
newLine	"\r\n"	toXML	newline definition, can be any string
attrKey	null	toXML	when provided, will group the attributes of an element under attrKey object
declaration	null	toXML	provide true for the default declaration, or any string to override it
selfClose	true	toXML	provice false to disable self-closing tags

Licence

MIT

Keywords

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Package last updated on 09 Jan 2024

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