["^ ","~:resource-id",["~:shadow.build.classpath/resource","goog/async/nexttick.js"],"~:js","goog.provide(\"goog.async.nextTick\");\ngoog.require(\"goog.debug.entryPointRegistry\");\ngoog.require(\"goog.dom\");\ngoog.require(\"goog.dom.TagName\");\ngoog.require(\"goog.functions\");\ngoog.require(\"goog.labs.userAgent.browser\");\ngoog.require(\"goog.labs.userAgent.engine\");\ngoog.async.nextTick = function(callback, opt_context, opt_useSetImmediate) {\n  var cb = callback;\n  if (opt_context) {\n    cb = goog.bind(callback, opt_context);\n  }\n  cb = goog.async.nextTick.wrapCallback_(cb);\n  if (typeof goog.global.setImmediate === \"function\" && (opt_useSetImmediate || goog.async.nextTick.useSetImmediate_())) {\n    goog.global.setImmediate(cb);\n    return;\n  }\n  if (!goog.async.nextTick.nextTickImpl) {\n    goog.async.nextTick.nextTickImpl = goog.async.nextTick.getNextTickImpl_();\n  }\n  goog.async.nextTick.nextTickImpl(cb);\n};\ngoog.async.nextTick.useSetImmediate_ = function() {\n  if (!goog.global.Window || !goog.global.Window.prototype) {\n    return true;\n  }\n  if (goog.labs.userAgent.browser.isEdge() || goog.global.Window.prototype.setImmediate != goog.global.setImmediate) {\n    return true;\n  }\n  return false;\n};\ngoog.async.nextTick.nextTickImpl;\ngoog.async.nextTick.getNextTickImpl_ = function() {\n  var Channel = goog.global[\"MessageChannel\"];\n  if (typeof Channel === \"undefined\" && typeof window !== \"undefined\" && window.postMessage && window.addEventListener && !goog.labs.userAgent.engine.isPresto()) {\n    Channel = function() {\n      var iframe = goog.dom.createElement(goog.dom.TagName.IFRAME);\n      iframe.style.display = \"none\";\n      document.documentElement.appendChild(iframe);\n      var win = iframe.contentWindow;\n      var doc = win.document;\n      doc.open();\n      doc.close();\n      var message = \"callImmediate\" + Math.random();\n      var origin = win.location.protocol == \"file:\" ? \"*\" : win.location.protocol + \"//\" + win.location.host;\n      var onmessage = goog.bind(function(e) {\n        if (origin != \"*\" && e.origin != origin || e.data != message) {\n          return;\n        }\n        this[\"port1\"].onmessage();\n      }, this);\n      win.addEventListener(\"message\", onmessage, false);\n      this[\"port1\"] = {};\n      this[\"port2\"] = {postMessage:function() {\n        win.postMessage(message, origin);\n      }};\n    };\n  }\n  if (typeof Channel !== \"undefined\" && !goog.labs.userAgent.browser.isIE()) {\n    var channel = new Channel();\n    var head = {};\n    var tail = head;\n    channel[\"port1\"].onmessage = function() {\n      if (head.next !== undefined) {\n        head = head.next;\n        var cb = head.cb;\n        head.cb = null;\n        cb();\n      }\n    };\n    return function(cb) {\n      tail.next = {cb:cb};\n      tail = tail.next;\n      channel[\"port2\"].postMessage(0);\n    };\n  }\n  return function(cb) {\n    goog.global.setTimeout(cb, 0);\n  };\n};\ngoog.async.nextTick.wrapCallback_ = goog.functions.identity;\ngoog.debug.entryPointRegistry.register(function(transformer) {\n  goog.async.nextTick.wrapCallback_ = transformer;\n});\n","~:source","/**\n * @license\n * Copyright The Closure Library Authors.\n * SPDX-License-Identifier: Apache-2.0\n */\n\n/**\n * @fileoverview Provides a function to schedule running a function as soon\n * as possible after the current JS execution stops and yields to the event\n * loop.\n */\n\ngoog.provide('goog.async.nextTick');\n\ngoog.require('goog.debug.entryPointRegistry');\ngoog.require('goog.dom');\ngoog.require('goog.dom.TagName');\ngoog.require('goog.functions');\ngoog.require('goog.labs.userAgent.browser');\ngoog.require('goog.labs.userAgent.engine');\n\n\n/**\n * Fires the provided callbacks as soon as possible after the current JS\n * execution context. setTimeout(…, 0) takes at least 4ms when called from\n * within another setTimeout(…, 0) for legacy reasons.\n *\n * This will not schedule the callback as a microtask (i.e. a task that can\n * preempt user input or networking callbacks). 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See useSetImmediate_\n  // for details.\n  if (typeof goog.global.setImmediate === 'function' &&\n      (opt_useSetImmediate || goog.async.nextTick.useSetImmediate_())) {\n    goog.global.setImmediate(cb);\n    return;\n  }\n\n  // Look for and cache the custom fallback version of setImmediate.\n  if (!goog.async.nextTick.nextTickImpl) {\n    goog.async.nextTick.nextTickImpl = goog.async.nextTick.getNextTickImpl_();\n  }\n  goog.async.nextTick.nextTickImpl(cb);\n};\n\n\n/**\n * Returns whether should use setImmediate implementation currently on window.\n *\n * window.setImmediate was introduced and currently only supported by IE10+,\n * but due to a bug in the implementation it is not guaranteed that\n * setImmediate is faster than setTimeout nor that setImmediate N is before\n * setImmediate N+1. That is why we do not use the native version if\n * available. We do, however, call setImmediate if it is a non-native function\n * because that indicates that it has been replaced by goog.testing.MockClock\n * which we do want to support.\n * See\n * http://connect.microsoft.com/IE/feedback/details/801823/setimmediate-and-messagechannel-are-broken-in-ie10\n *\n * @return {boolean} Whether to use the implementation of setImmediate defined\n *     on Window.\n * @private\n * @suppress {missingProperties} For \"Window.prototype.setImmediate\"\n */\ngoog.async.nextTick.useSetImmediate_ = function() {\n  'use strict';\n  // Not a browser environment.\n  if (!goog.global.Window || !goog.global.Window.prototype) {\n    return true;\n  }\n\n  // MS Edge has window.setImmediate natively, but it's not on Window.prototype.\n  // Also, there's no clean way to detect if the goog.global.setImmediate has\n  // been replaced by mockClock as its replacement also shows up as \"[native\n  // code]\" when using toString. 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Therefore, just always use\\n  // goog.global.setImmediate for Edge. It's unclear if it suffers the same\\n  // issues as IE10/11, but based on\\n  // https://dev.modern.ie/testdrive/demos/setimmediatesorting/\\n  // it seems they've been working to ensure it's WAI.\\n  if (goog.labs.userAgent.browser.isEdge() ||\\n      goog.global.Window.prototype.setImmediate != goog.global.setImmediate) {\\n    // Something redefined setImmediate in which case we decide to use it (This\\n    // is so that we use the mockClock setImmediate).\\n    return true;\\n  }\\n\\n  return false;\\n};\\n\\n\\n/**\\n * Cache for the nextTick implementation. Exposed so tests can replace it,\\n * if needed.\\n * @type {function(function())}\\n */\\ngoog.async.nextTick.nextTickImpl;\\n\\n\\n/**\\n * Determines the best possible implementation to run a function as soon as\\n * the JS event loop is idle.\\n * @return {function(function())} The \\\"setImmediate\\\" implementation.\\n * @private\\n */\\ngoog.async.nextTick.getNextTickImpl_ = function() {\\n  'use strict';\\n  // Create a private message channel and use it to postMessage empty messages\\n  // to ourselves.\\n  /** @type {!Function|undefined} */\\n  var Channel = goog.global['MessageChannel'];\\n  // If MessageChannel is not available and we are in a browser, implement\\n  // an iframe based polyfill in browsers that have postMessage and\\n  // document.addEventListener. The latter excludes IE8 because it has a\\n  // synchronous postMessage implementation.\\n  if (typeof Channel === 'undefined' && typeof window !== 'undefined' &&\\n      window.postMessage && window.addEventListener &&\\n      // Presto (The old pre-blink Opera engine) has problems with iframes\\n      // and contentWindow.\\n      !goog.labs.userAgent.engine.isPresto()) {\\n    /** @constructor */\\n    Channel = function() {\\n      'use strict';\\n      // Make an empty, invisible iframe.\\n      var iframe = goog.dom.createElement(goog.dom.TagName.IFRAME);\\n      iframe.style.display = 'none';\\n      document.documentElement.appendChild(iframe);\\n      var win = iframe.contentWindow;\\n      var doc = win.document;\\n      doc.open();\\n      doc.close();\\n      // Do not post anything sensitive over this channel, as the workaround for\\n      // pages with file: origin could allow that information to be modified or\\n      // intercepted.\\n      var message = 'callImmediate' + Math.random();\\n      // The same origin policy rejects attempts to postMessage from file: urls\\n      // unless the origin is '*'.\\n      var origin = win.location.protocol == 'file:' ?\\n          '*' :\\n          win.location.protocol + '//' + win.location.host;\\n      var onmessage = goog.bind(function(e) {\\n        'use strict';\\n        // Validate origin and message to make sure that this message was\\n        // intended for us. If the origin is set to '*' (see above) only the\\n        // message needs to match since, for example, '*' != 'file://'. Allowing\\n        // the wildcard is ok, as we are not concerned with security here.\\n        if ((origin != '*' && e.origin != origin) || e.data != message) {\\n          return;\\n        }\\n        this['port1'].onmessage();\\n      }, this);\\n      win.addEventListener('message', onmessage, false);\\n      this['port1'] = {};\\n      this['port2'] = {\\n        postMessage: function() {\\n          'use strict';\\n          win.postMessage(message, origin);\\n        }\\n      };\\n    };\\n  }\\n  if (typeof Channel !== 'undefined' && !goog.labs.userAgent.browser.isIE()) {\\n    // Exclude all of IE due to\\n    // http://codeforhire.com/2013/09/21/setimmediate-and-messagechannel-broken-on-internet-explorer-10/\\n    // which allows starving postMessage with a busy setTimeout loop.\\n    // This currently affects IE10 and IE11 which would otherwise be able\\n    // to use the postMessage based fallbacks.\\n    var channel = new Channel();\\n    // Use a fifo linked list to call callbacks in the right order.\\n    var head = {};\\n    var tail = head;\\n    channel['port1'].onmessage = function() {\\n      'use strict';\\n      if (head.next !== undefined) {\\n        head = head.next;\\n        var cb = head.cb;\\n        head.cb = null;\\n        cb();\\n      }\\n    };\\n    return function(cb) {\\n      'use strict';\\n      tail.next = {cb: cb};\\n      tail = tail.next;\\n      channel['port2'].postMessage(0);\\n    };\\n  }\\n  // Fall back to setTimeout with 0. In browsers this creates a delay of 5ms\\n  // or more.\\n  // NOTE(user): This fallback is used for IE.\\n  return function(cb) {\\n    'use strict';\\n    goog.global.setTimeout(/** @type {function()} */ (cb), 0);\\n  };\\n};\\n\\n\\n/**\\n * Helper function that is overrided to protect callbacks with entry point\\n * monitor if the application monitors entry points.\\n * @param {function()} callback Callback function to fire as soon as possible.\\n * @return {function()} The wrapped callback.\\n * @private\\n */\\ngoog.async.nextTick.wrapCallback_ = goog.functions.identity;\\n\\n\\n// Register the callback function as an entry point, so that it can be\\n// monitored for exception handling, etc. This has to be done in this file\\n// since it requires special code to handle all browsers.\\ngoog.debug.entryPointRegistry.register(\\n    /**\\n     * @param {function(!Function): !Function} transformer The transforming\\n     *     function.\\n     */\\n    function(transformer) {\\n      'use strict';\\n      goog.async.nextTick.wrapCallback_ = transformer;\\n    });\\n\"],\n\"names\":[\"goog\",\"provide\",\"require\",\"async\",\"nextTick\",\"goog.async.nextTick\",\"callback\",\"opt_context\",\"opt_useSetImmediate\",\"cb\",\"bind\",\"wrapCallback_\",\"global\",\"setImmediate\",\"useSetImmediate_\",\"nextTickImpl\",\"getNextTickImpl_\",\"goog.async.nextTick.useSetImmediate_\",\"Window\",\"prototype\",\"labs\",\"userAgent\",\"browser\",\"isEdge\",\"goog.async.nextTick.getNextTickImpl_\",\"Channel\",\"window\",\"postMessage\",\"addEventListener\",\"engine\",\"isPresto\",\"iframe\",\"dom\",\"createElement\",\"TagName\",\"IFRAME\",\"style\",\"display\",\"document\",\"documentElement\",\"appendChild\",\"win\",\"contentWindow\",\"doc\",\"open\",\"close\",\"message\",\"Math\",\"random\",\"origin\",\"location\",\"protocol\",\"host\",\"onmessage\",\"e\",\"data\",\"isIE\",\"channel\",\"head\",\"tail\",\"next\",\"undefined\",\"setTimeout\",\"functions\",\"identity\",\"debug\",\"entryPointRegistry\",\"register\",\"transformer\"]\n}\n"]