seo-parser is a Node.js module for dealing with parsing html DOM.
"htmlparser2": "^3.10.0"
"mocha": "^5.2.0",
"should": "^13.2.3"
$ npm install
demo.html
<html>
<head>
<meta name="author" content="aaa">
<meta name="keywords" content="aaa">
<meta name="description" content="aaa">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Hello World</title>
</head>
<body>
<img src="a">
<img src="a" alt="">
<a href=""></a>
<a href="" rel=""></a>
<h1></h1>
<h1></h1>
<h1></h1>
<h1></h1>
<h1></h1>
<strong></strong>
<strong></strong>
<strong></strong>
</body>
<script src="index.js"></script>
</html>
index.js
const SEO_Parser = require('./lib/parser')
const args = [{
must:[{
Parent:'head',
Tagname:'meta',
name:'keywords'
}],
},
{
must:[{
Tagname:'img',
Attr:'src'
},{
Tagname:'img',
Attr:'alt'
}],
must_not:[{
Attr:'width'
}],
range:{
gt:1,
lt:10
}
}];
let parser = new SEO_Parser();
parser.parse(args, 'demo.html', 'result.txt');//output as file
parser.parse(args, 'demo.html');//output as console
This HTML have Parent=head Tagname=meta name=keywords
This HTML have gt than 1, have lt than 10 Tagname=img Attr=src Tagname=img Attr=alt without Attr=width
Explain how to run the automated tests for this system
mocha
new SEO_Parser.parse(args, read_path [, write_path])
| Arguments | Description |
|---|---|
| args | an array contains optional quantity of arguments. Default is []. |
| read_path | read html DOM path ex:demo.html |
| write_path (optional) | write output result to file ex:result.txt , default is output as console. |
must(array)
The query must appear in matching documents
must_not(array)
The query must not appear in matching documents
| Arguments | Description |
|---|---|
| Parent | check current tag contains this parent or not, ex:{ Parent: 'head' }. |
| Tagname | check current tag name, ex:{ Tagname: 'img' } |
| Attr | check current tag contains this attribute, ex:{ Attr: 'src'} |
| other | other words start from lower case can check attribute's value is equal or not, ex:{ src:'index.js' } |
range(object)
Matches result with nums that have terms within a certain range.
| Arguments | Description |
|---|---|
| gte | Greater-than or equal to |
| gt | Greater-than |
| lte | Less-than or equal to |
| lt | Less-than |
| eq | equal |