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const cheerio = require('cheerio');
const Promise = require('../../utils/promise');
/**
* Apply a list of operations to a page and
* output the new page.
*
* @param {Page} page
* @param {List|Array<Transformation>} operations
* @return {Promise<Page>} page
*/
function modifyHTML(page, operations) {
const html = page.getContent();
const $ = cheerio.load(html);
return Promise.forEach(operations, (op) => {
return op($);
})
.then(() => {
const resultHTML = $.html();
return page.set('content', resultHTML);
});
}
module.exports = modifyHTML;
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