service-worker.js

/**
 * @license
 * Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt The complete set of authors may be found
 * at http://polymer.github.io/AUTHORS.txt The complete set of contributors may
 * be found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by
 * Google as part of the polymer project is also subject to an additional IP
 * rights grant found at http://polymer.github.io/PATENTS.txt
 */

(function(global) {
var VERSION = '1.0';

function deserializeUrlParams(queryString) {
  return new Map(queryString.split('&').map(function(keyValuePair) {
    var splits = keyValuePair.split('=');
    var key = decodeURIComponent(splits[0]);
    var value = decodeURIComponent(splits[1]);
    if (value.indexOf(',') >= 0) {
      value = value.split(',');
    }

    return [key, value];
  }));
}

global.params = deserializeUrlParams(location.search.substring(1));

if (global.params.get('version') !== VERSION) {
  throw 'The registered script is version ' + VERSION +
      ' and cannot be used with <platinum-sw-register> version ' +
      global.params.get('version');
}

if (global.params.has('importscript')) {
  var scripts = global.params.get('importscript');
  if (Array.isArray(scripts)) {
    importScripts.apply(null, scripts);
  } else {
    importScripts(scripts);
  }
}

if (global.params.get('skipWaiting') === 'true' && global.skipWaiting) {
  global.addEventListener('install', function(e) {
    e.waitUntil(global.skipWaiting());
  });
}

if (global.params.get('clientsClaim') === 'true' && global.clients &&
    global.clients.claim) {
  global.addEventListener('activate', function(e) {
    e.waitUntil(global.clients.claim());
  });
}
})(self);