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Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

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/*
	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.");
}