jsdom

Transform web pages DOM to JSON and query it with JMESPath.

Installation

npm i @nire0510/jdom

Usage

import jdom from '@nire0510/jdom';

const output = await jdom(params);

console.log(output, null, 2);

params

{
  jmespath?: string | { [key: string]: string },;
  timeout?: number;
  url: string;
  viewport?: {
    width: number;
    height: number;
  };
  waitForSelector?: string;
  waitUntil: 'load' | 'domcontentloaded' | 'networkidle0' | 'networkidle2';
}

• jmespath (string | object, optional) - The jmespath filter to apply on the DOM before returning the output. It could be either a single string filter or a dictionary of filters, e.g.

  {
    jmespath: {
      rooms: '[]...',
      employees: '[]...',
    }
  }

• timeout (number, optional) - The timeout in milliseconds after which the script should fail.
• url (string, mandarory) - The URL of the web page from which you want to extract its DOM.
• viewport (object, optional) - The dimensions of the browser.
• waitForSelector (string, optional) - The selector of an element to wait for before running extracting the web page DOM.
• waitUntil (string, optional) - Waits for a specific event in the web page's life cycle before running extracting the web page DOM.