gistfile1.txt

// ==UserScript==
// @name         Open LOC in AppCode
// @namespace    http://kolia.pp.ru/
// @version      0.1
// @description  try to take over the world!
// @author       [email protected]
// @match        https://github.yandex-team.ru/taxi/mobile-taxi-client-ios/pull/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function addListeners(rootEl) {
        let files = rootEl.getElementsByClassName('file');
        for (let file of files) {
            let fileHeader = file.getElementsByClassName('file-header').item(0);
            let fileName = fileHeader.innerText;
            let lineNumbers = file.getElementsByClassName('js-linkable-line-number');
            for (let el of lineNumbers) {
                let line = el.getAttribute('data-line-number');
                if (typeof el.xxx_addedLOCListener !== 'undefined') {
                    continue;
                }
                el.xxx_addedLOCListener = true
                el.addEventListener('click', function () {
                    console.log(line, fileName);
                    window.location = 'hammerspoon://open-line?line=' + line + '&file=' + fileName;
                });
            }
        }
    }

    addListeners(document);

    var observer = new MutationObserver(function(mutations) {
        addListeners(document);
    });
    observer.observe(document, { childList: true, subtree: true });

})();