count-dom-html

Count total of Dom node in html file with based on regexps

installation

npm install count-dom-html

usage

var fs = require("fs");
var data = require("count-dom-html");
fs.readFile('index.html', 'utf8', function(err, html){
  if (err) throw err;
  var body_content = data.findContentByFirstNode(html, 'body');
  if(body_content.total > 0){
  		var img = data.findByElement(html,'img',false, false);
	  console.log(img); // => '{ content: '<img src="smiley.gif" alt="Image 1" width="42" height="42" />,<img src="smiley.gif"  width="42" height="42">', total: 2 }'

	  var img2 = data.findByElement(html,'img','alt', 'Image 1');
	  console.log(img2); // => '{ content: '<img src="smiley.gif" alt="Image 1" width="42" height="42" />', total: 1 }'

	  var text = data.findByText(html,'hello');
	  console.log(text); // => '{ content: 'text', total: 1 }'

	  var text = data.findByNode(html,'strong');  
	  console.log(text); // => '{ content: '<strong>text 1</strong>,<strong>text 2</strong>,<strong>text 3</strong>', total: 3 }'	
  }  
 })

Note

All methods

* findByElement(html, element, att_name, att_value):

	user can find tags in html like as img tag, a tag, meta tag... This methods have 4 params.
	- Html is text
	- element: This is tags. Ex: "a" tag, "img" tag, "meta" tag..
	- att_name: attribute name of element: alt, rel, name...
	- att_value: attribute value of element.

* findByText : user can find data by text. ex: 'nodejs'
* findByNode : user can find data with node. ex: 'h1','strong','script',...
* findContentByFirstNode: user check content from head or body exist or not.