webpack/lib/webworker/WebWorkerMainTemplate.runtime.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
/*globals installedChunks hotAddUpdateChunk parentHotUpdateCallback importScripts XMLHttpRequest $require$ $hotChunkFilename$ $hotMainFilename$ */
module.exports = function() {
	function webpackHotUpdateCallback(chunkId, moreModules) {
		// eslint-disable-line no-unused-vars
		hotAddUpdateChunk(chunkId, moreModules);
		if (parentHotUpdateCallback) parentHotUpdateCallback(chunkId, moreModules);
	} //$semicolon

	function hotDownloadUpdateChunk(chunkId) {
		// eslint-disable-line no-unused-vars
		importScripts($require$.p + $hotChunkFilename$);
	}

	function hotDownloadManifest(requestTimeout) {
		// eslint-disable-line no-unused-vars
		requestTimeout = requestTimeout || 10000;
		return new Promise(function(resolve, reject) {
			if (typeof XMLHttpRequest === "undefined")
				return reject(new Error("No browser support"));
			try {
				var request = new XMLHttpRequest();
				var requestPath = $require$.p + $hotMainFilename$;
				request.open("GET", requestPath, true);
				request.timeout = requestTimeout;
				request.send(null);
			} catch (err) {
				return reject(err);
			}
			request.onreadystatechange = function() {
				if (request.readyState !== 4) return;
				if (request.status === 0) {
					// timeout
					reject(
						new Error("Manifest request to " + requestPath + " timed out.")
					);
				} else if (request.status === 404) {
					// no update available
					resolve();
				} else if (request.status !== 200 && request.status !== 304) {
					// other failure
					reject(new Error("Manifest request to " + requestPath + " failed."));
				} else {
					// success
					try {
						var update = JSON.parse(request.responseText);
					} catch (e) {
						reject(e);
						return;
					}
					resolve(update);
				}
			};
		});
	}

	function hotDisposeChunk(chunkId) {
		//eslint-disable-line no-unused-vars
		delete installedChunks[chunkId];
	}
};