source: imaps-frontend/node_modules/webpack/hot/poll.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/
/* globals __resourceQuery */
if (module.hot) {
        var hotPollInterval = +__resourceQuery.slice(1) || 10 * 60 * 1000;
        var log = require("./log");

        /**
         * @param {boolean=} fromUpdate true when called from update
         */
        var checkForUpdate = function checkForUpdate(fromUpdate) {
                if (module.hot.status() === "idle") {
                        module.hot
                                .check(true)
                                .then(function (updatedModules) {
                                        if (!updatedModules) {
                                                if (fromUpdate) log("info", "[HMR] Update applied.");
                                                return;
                                        }
                                        require("./log-apply-result")(updatedModules, updatedModules);
                                        checkForUpdate(true);
                                })
                                .catch(function (err) {
                                        var status = module.hot.status();
                                        if (["abort", "fail"].indexOf(status) >= 0) {
                                                log("warning", "[HMR] Cannot apply update.");
                                                log("warning", "[HMR] " + log.formatError(err));
                                                log("warning", "[HMR] You need to restart the application!");
                                        } else {
                                                log("warning", "[HMR] Update failed: " + log.formatError(err));
                                        }
                                });
                }
        };
        setInterval(checkForUpdate, hotPollInterval);
} else {
        throw new Error("[HMR] Hot Module Replacement is disabled.");
}