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@borgar/simple-xml
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Readme
This is an overly simplistic non-validating XML parser with utilities. It will indiscriminately parse most well-formed XML documents that don't try to do anything clever.
The purpose of this library to allow easy parsing and consuming XML files. Does the world really need it? No, probably not. But all the other available packages the author tested were either a massive overkill or failed to parse fairly simplistic XML correctly. So here we are.
There are some limitations:
But on the upside:
The usual:
$ npm i @borgar/simple-xml
import { parseXML } from '@borgar/simple-xml';
const dom = parseXML('<root><node>Lorem ipsum</node></root>');
console.log(dom.getElementsByTagName('node').textContent);
The parse function accepts two arguments, the first is an XML source. The second is an options object. There are two options:
Allow normally forbidden unquoted attributes with laxAttr
:
parseXML('<root><node foo=bar /></root>', { laxAttr: true });
Allow normally forbidden "rootless" documents with emptyDoc
:
parseXML('', { emptyDoc: true });
As well as a parse method, the package exports Node classes: Node, Element, Document, TextNode, and CDataNode. They are pretty much what you expect but with an incomplete or altered set of DOM API functions.
Name & identity
.nodeName
An uppercase tag name. (BAR
in the case of <foo:bar>
)
.tagName
A case preserved tag (bar
in the case of <foo:bar>
)
.nodeType
A node type number (e.g. Element.ELEMENT_NODE === 1
)
.ns
A namespace identifier (foo
in the case of <foo:bar>
)
.fullName
A full tag name with identifier (foo:bar
in the case of <foo:bar>
)
Attributes
.getAttribute( attrName )
.setAttribute( attrName, attrValue )
.hasAttribute( attrName )
.removeAttribute( attrName )
Attributes are not stored as attribute nodes in a list, but rather they are a simple { name: value }
style object on the node.
Tree & traversal
.appendChild( Node )
Inserts a new node as the last child of a parent. If a node already has a parent, it is removed from that parent when inserted in the target.
.children
Emits an array of direct child nodes that are of type Element.
.parentNode
A direct reference to the node's container.
.childNodes
An array of all direct child nodes.
.textContent
Emits the text content of the target's subtree.
Text is preserved as-is in the tree but whitespace is cleaned (unless xml:space
dictates otherwise) when using .textContent
.
.getElementsByTagName( tagName )
Lists all Elements in the target's subtree, traversal order, that have .tagName
equal to the argument. Function is case-sensitive.
.querySelectorAll( cssSelector )
Lists all Elements in the target's subtree, traversal order, that match the supplied CSS selector. Function should be case-sensitive but may be case insensitive for some.
.toJS()
Returns the target node's subtree in a JsonML-like structure.
Roughly, if you supply this:
<x:tag foo="bar">Text content</x:tag>
It will parse to a document which has a .root
node looking roughly like this:
{
nodeType: 1,
nodeName: 'TAG',
ns: 'x',
tagName: 'tag',
fullName: 'x:tag',
attr: { 'foo': 'bar' }
parentNode: null,
childNodes = [
{
nodeName: '#text',
nodeType: 3,
value: 'Text content',
parentNode: {...},
}
]
}
FAQs
Overly simplistic (but fast) XML parser
The npm package @borgar/simple-xml receives a total of 97 weekly downloads. As such, @borgar/simple-xml popularity was classified as not popular.
We found that @borgar/simple-xml demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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