Package Exports

x-domhandler

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Readme

domhandler

The DOM handler (formally known as DefaultHandler) creates a tree containing all nodes of a page. The tree may be manipulated using the domutils library.

Differences with origin domhandler

Add selfClose flag to node.
Add singleQuoteAttribs map to node.

This project can work with stricter-htmlparser2.

Usage

var handler = new DomHandler([ <func> callback(err, dom), ] [ <obj> options ]);
// var parser = new Parser(handler[, options]);

Available options are described below.

Example

var htmlparser = require("htmlparser2");
var rawHtml = "Xyz <script language= 'javascript'>var foo = '<<bar>>';< /  script><!--<!-- Waah! -- -->";
var handler = new htmlparser.DomHandler(function (error, dom) {
    if (error)
        [...do something for errors...]
    else
        [...parsing done, do something...]
        console.log(dom);
});
var parser = new htmlparser.Parser(handler);
parser.write(rawHtml);
parser.end();

Output:

[{
    data: 'Xyz ',
    type: 'text'
}, {
    type: 'script',
    name: 'script',
    attribs: {
        language: 'javascript'
    },
    children: [{
        data: 'var foo = \'<bar>\';<',
        type: 'text'
    }]
}, {
    data: '<!-- Waah! -- ',
    type: 'comment'
}]

Option: normalizeWhitespace

Indicates whether the whitespace in text nodes should be normalized (= all whitespace should be replaced with single spaces). The default value is "false".

The following HTML will be used:

<font>
    <br>this is the text
<font>

Example: true

[{
    type: 'tag',
    name: 'font',
    children: [{
        data: ' ',
        type: 'text'
    }, {
        type: 'tag',
        name: 'br'
    }, {
        data: 'this is the text ',
        type: 'text'
    }, {
        type: 'tag',
        name: 'font'
    }]
}]

Example: false

[{
    type: 'tag',
    name: 'font',
    children: [{
        data: '\n\t',
        type: 'text'
    }, {
        type: 'tag',
        name: 'br'
    }, {
        data: 'this is the text\n',
        type: 'text'
    }, {
        type: 'tag',
        name: 'font'
    }]
}]

Option: withDomLvl1

Adds DOM level 1 properties to all elements.

Option: withStartIndices

Indicates whether a startIndex property will be added to nodes. When the parser is used in a non-streaming fashion, startIndex is an integer indicating the position of the start of the node in the document. The default value is "false".

Option: withEndIndices

Indicates whether a endIndex property will be added to nodes. When the parser is used in a non-streaming fashion, endIndex is an integer indicating the position of the end of the node in the document. The default value is "false".