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var _ = require('lodash');
var cheerio = require('cheerio');
// Parse an HTML string and return its content
function parse(html) {
var $ = cheerio.load(html);
var $el = $('html, body').first();
return $el.length > 0? $el : $;
}
// Return main element
function root($) {
var $el = $('html, body, > div').first();
return $el.length > 0? $el : $.root();
}
// Return text node of an element
function textNode($el) {
return _.reduce($el.children, function(text, e) {
if (e.type == 'text') text += e.data;
return text;
}, '');
}
// Cleanup a dom
// Remove all divs
function cleanup($el, $) {
$el.find('div').each(function() {
var $div = $(this);
cleanup($div, $);
$div.replaceWith($div.html());
});
return $el;
}
module.exports = {
parse: parse,
textNode: textNode,
root: root,
cleanup: cleanup
};
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