note-like-count.mjs

import jsdom from "jsdom";
const { JSDOM } = jsdom;

(() => {
    const virtualConsole = new jsdom.VirtualConsole();
    virtualConsole.sendTo(console, {
        omitJSDOMErrors: true
    });

    const url = process.argv[2];
    const options = { virtualConsole };

    JSDOM.fromURL(url, options).then(dom => {
        const selector = "button.o-noteLikeV3__count";
        const targetElement = dom.window.document.querySelector(selector);

        let likeCount = 0;
        if (targetElement !== null) {
            likeCount = targetElement.textContent.match(/[0-9]+/);
        }
        console.log(url + "\t" + likeCount);
    });
})();