Visible for testing\r\n */\nvar MAX_VALUE_MILLIS = 4 * 60 * 60 * 1000; // Four hours, like iOS and Android.\n/**\r\n * The percentage of backoff time to randomize by.\r\n * See\r\n * http://go/safe-client-behavior#step-1-determine-the-appropriate-retry-interval-to-handle-spike-traffic\r\n * for context.\r\n *\r\n *
Visible for testing\r\n */\nvar RANDOM_FACTOR = 0.5;\n/**\r\n * Based on the backoff method from\r\n * https://github.com/google/closure-library/blob/master/closure/goog/math/exponentialbackoff.js.\r\n * Extracted here so we don't need to pass metadata and a stateful ExponentialBackoff object around.\r\n */\nfunction calculateBackoffMillis(backoffCount, intervalMillis, backoffFactor) {\n if (intervalMillis === void 0) {\n intervalMillis = DEFAULT_INTERVAL_MILLIS;\n }\n if (backoffFactor === void 0) {\n backoffFactor = DEFAULT_BACKOFF_FACTOR;\n }\n // Calculates an exponentially increasing value.\n // Deviation: calculates value from count and a constant interval, so we only need to save value\n // and count to restore state.\n var currBaseValue = intervalMillis * Math.pow(backoffFactor, backoffCount);\n // A random \"fuzz\" to avoid waves of retries.\n // Deviation: randomFactor is required.\n var randomWait = Math.round(\n // A fraction of the backoff value to add/subtract.\n // Deviation: changes multiplication order to improve readability.\n RANDOM_FACTOR * currBaseValue * (\n // A random float (rounded to int by Math.round above) in the range [-1, 1]. Determines\n // if we add or subtract.\n Math.random() - 0.5) * 2);\n // Limits backoff to max to avoid effectively permanent backoff.\n return Math.min(MAX_VALUE_MILLIS, currBaseValue + randomWait);\n}\n\n/**\r\n * @license\r\n * Copyright 2020 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n * http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\n/**\r\n * Provide English ordinal letters after a number\r\n */\nfunction ordinal(i) {\n if (!Number.isFinite(i)) {\n return \"\" + i;\n }\n return i + indicator(i);\n}\nfunction indicator(i) {\n i = Math.abs(i);\n var cent = i % 100;\n if (cent >= 10 && cent <= 20) {\n return 'th';\n }\n var dec = i % 10;\n if (dec === 1) {\n return 'st';\n }\n if (dec === 2) {\n return 'nd';\n }\n if (dec === 3) {\n return 'rd';\n }\n return 'th';\n}\n\n/**\r\n * @license\r\n * Copyright 2021 Google LLC\r\n *\r\n * Licensed under the Apache License, Version 2.0 (the \"License\");\r\n * you may not use this file except in compliance with the License.\r\n * You may obtain a copy of the License at\r\n *\r\n * http://www.apache.org/licenses/LICENSE-2.0\r\n *\r\n * Unless required by applicable law or agreed to in writing, software\r\n * distributed under the License is distributed on an \"AS IS\" BASIS,\r\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r\n * See the License for the specific language governing permissions and\r\n * limitations under the License.\r\n */\nfunction getModularInstance(service) {\n if (service && service._delegate) {\n return service._delegate;\n } else {\n return service;\n }\n}\nexport { CONSTANTS, Deferred, ErrorFactory, FirebaseError, MAX_VALUE_MILLIS, RANDOM_FACTOR, Sha1, areCookiesEnabled, assert, assertionError, async, base64, base64Decode, base64Encode, base64urlEncodeWithoutPadding, calculateBackoffMillis, contains, createMockUserToken, createSubscribe, decode, deepCopy, deepEqual, deepExtend, errorPrefix, extractQuerystring, getGlobal, getModularInstance, getUA, isAdmin, isBrowser, isBrowserExtension, isElectron, isEmpty, isIE, isIndexedDBAvailable, isMobileCordova, isNode, isNodeSdk, isReactNative, isSafari, isUWP, isValidFormat, isValidTimestamp, issuedAtTime, jsonEval, map, ordinal, querystring, querystringDecode, safeGet, stringLength, stringToByteArray, stringify, validateArgCount, validateCallback, validateContextObject, validateIndexedDBOpenable, validateNamespace };","import arrayWithHoles from \"./arrayWithHoles.js\";\nimport iterableToArrayLimit from \"./iterableToArrayLimit.js\";\nimport unsupportedIterableToArray from \"./unsupportedIterableToArray.js\";\nimport nonIterableRest from \"./nonIterableRest.js\";\nexport default function _slicedToArray(arr, i) {\n return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || unsupportedIterableToArray(arr, i) || nonIterableRest();\n}","export default function _iterableToArrayLimit(arr, i) {\n var _i = null == arr ? null : \"undefined\" != typeof Symbol && arr[Symbol.iterator] || arr[\"@@iterator\"];\n if (null != _i) {\n var _s,\n _e,\n _x,\n _r,\n _arr = [],\n _n = !0,\n _d = !1;\n try {\n if (_x = (_i = _i.call(arr)).next, 0 === i) {\n if (Object(_i) !== _i) return;\n _n = !1;\n } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0);\n } catch (err) {\n _d = !0, _e = err;\n } finally {\n try {\n if (!_n && null != _i[\"return\"] && (_r = _i[\"return\"](), Object(_r) !== _r)) return;\n } finally {\n if (_d) throw _e;\n }\n }\n return _arr;\n }\n}","import setPrototypeOf from \"./setPrototypeOf.js\";\nexport default function _inheritsLoose(subClass, superClass) {\n subClass.prototype = Object.create(superClass.prototype);\n subClass.prototype.constructor = subClass;\n setPrototypeOf(subClass, superClass);\n}","import freeGlobal from './_freeGlobal.js';\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\nexport default root;","export default function ownerDocument(node) {\n return node && node.ownerDocument || document;\n}","import _inheritsLoose from '@babel/runtime/helpers/esm/inheritsLoose';\nimport React from 'react';\nimport PropTypes from 'prop-types';\nimport { createMemoryHistory, createLocation, locationsAreEqual, createPath } from 'history';\nimport warning from 'tiny-warning';\nimport invariant from 'tiny-invariant';\nimport _extends from '@babel/runtime/helpers/esm/extends';\nimport pathToRegexp from 'path-to-regexp';\nimport { isValidElementType } from 'react-is';\nimport _objectWithoutPropertiesLoose from '@babel/runtime/helpers/esm/objectWithoutPropertiesLoose';\nimport hoistStatics from 'hoist-non-react-statics';\nvar MAX_SIGNED_31_BIT_INT = 1073741823;\nvar commonjsGlobal = typeof globalThis !== \"undefined\" // 'global proper'\n?\n// eslint-disable-next-line no-undef\nglobalThis : typeof window !== \"undefined\" ? window // Browser\n: typeof global !== \"undefined\" ? global // node.js\n: {};\nfunction getUniqueId() {\n var key = \"__global_unique_id__\";\n return commonjsGlobal[key] = (commonjsGlobal[key] || 0) + 1;\n} // Inlined Object.is polyfill.\n// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\n\nfunction objectIs(x, y) {\n if (x === y) {\n return x !== 0 || 1 / x === 1 / y;\n } else {\n // eslint-disable-next-line no-self-compare\n return x !== x && y !== y;\n }\n}\nfunction createEventEmitter(value) {\n var handlers = [];\n return {\n on: function on(handler) {\n handlers.push(handler);\n },\n off: function off(handler) {\n handlers = handlers.filter(function (h) {\n return h !== handler;\n });\n },\n get: function get() {\n return value;\n },\n set: function set(newValue, changedBits) {\n value = newValue;\n handlers.forEach(function (handler) {\n return handler(value, changedBits);\n });\n }\n };\n}\nfunction onlyChild(children) {\n return Array.isArray(children) ? children[0] : children;\n}\nfunction createReactContext(defaultValue, calculateChangedBits) {\n var _Provider$childContex, _Consumer$contextType;\n var contextProp = \"__create-react-context-\" + getUniqueId() + \"__\";\n var Provider = /*#__PURE__*/function (_React$Component) {\n _inheritsLoose(Provider, _React$Component);\n function Provider() {\n var _this;\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n _this = _React$Component.call.apply(_React$Component, [this].concat(args)) || this;\n _this.emitter = createEventEmitter(_this.props.value);\n return _this;\n }\n var _proto = Provider.prototype;\n _proto.getChildContext = function getChildContext() {\n var _ref;\n return _ref = {}, _ref[contextProp] = this.emitter, _ref;\n };\n _proto.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {\n if (this.props.value !== nextProps.value) {\n var oldValue = this.props.value;\n var newValue = nextProps.value;\n var changedBits;\n if (objectIs(oldValue, newValue)) {\n changedBits = 0; // No change\n } else {\n changedBits = typeof calculateChangedBits === \"function\" ? calculateChangedBits(oldValue, newValue) : MAX_SIGNED_31_BIT_INT;\n if (process.env.NODE_ENV !== \"production\") {\n process.env.NODE_ENV !== \"production\" ? warning((changedBits & MAX_SIGNED_31_BIT_INT) === changedBits, \"calculateChangedBits: Expected the return value to be a \" + \"31-bit integer. Instead received: \" + changedBits) : void 0;\n }\n changedBits |= 0;\n if (changedBits !== 0) {\n this.emitter.set(nextProps.value, changedBits);\n }\n }\n }\n };\n _proto.render = function render() {\n return this.props.children;\n };\n return Provider;\n }(React.Component);\n Provider.childContextTypes = (_Provider$childContex = {}, _Provider$childContex[contextProp] = PropTypes.object.isRequired, _Provider$childContex);\n var Consumer = /*#__PURE__*/function (_React$Component2) {\n _inheritsLoose(Consumer, _React$Component2);\n function Consumer() {\n var _this2;\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n _this2 = _React$Component2.call.apply(_React$Component2, [this].concat(args)) || this;\n _this2.observedBits = void 0;\n _this2.state = {\n value: _this2.getValue()\n };\n _this2.onUpdate = function (newValue, changedBits) {\n var observedBits = _this2.observedBits | 0;\n if ((observedBits & changedBits) !== 0) {\n _this2.setState({\n value: _this2.getValue()\n });\n }\n };\n return _this2;\n }\n var _proto2 = Consumer.prototype;\n _proto2.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {\n var observedBits = nextProps.observedBits;\n this.observedBits = observedBits === undefined || observedBits === null ? MAX_SIGNED_31_BIT_INT // Subscribe to all changes by default\n : observedBits;\n };\n _proto2.componentDidMount = function componentDidMount() {\n if (this.context[contextProp]) {\n this.context[contextProp].on(this.onUpdate);\n }\n var observedBits = this.props.observedBits;\n this.observedBits = observedBits === undefined || observedBits === null ? MAX_SIGNED_31_BIT_INT // Subscribe to all changes by default\n : observedBits;\n };\n _proto2.componentWillUnmount = function componentWillUnmount() {\n if (this.context[contextProp]) {\n this.context[contextProp].off(this.onUpdate);\n }\n };\n _proto2.getValue = function getValue() {\n if (this.context[contextProp]) {\n return this.context[contextProp].get();\n } else {\n return defaultValue;\n }\n };\n _proto2.render = function render() {\n return onlyChild(this.props.children)(this.state.value);\n };\n return Consumer;\n }(React.Component);\n Consumer.contextTypes = (_Consumer$contextType = {}, _Consumer$contextType[contextProp] = PropTypes.object, _Consumer$contextType);\n return {\n Provider: Provider,\n Consumer: Consumer\n };\n}\n\n// MIT License\nvar createContext = React.createContext || createReactContext;\n\n// TODO: Replace with React.createContext once we can assume React 16+\n\nvar createNamedContext = function createNamedContext(name) {\n var context = createContext();\n context.displayName = name;\n return context;\n};\nvar historyContext = /*#__PURE__*/createNamedContext(\"Router-History\");\nvar context = /*#__PURE__*/createNamedContext(\"Router\");\n\n/**\n * The public API for putting history on context.\n */\n\nvar Router = /*#__PURE__*/function (_React$Component) {\n _inheritsLoose(Router, _React$Component);\n Router.computeRootMatch = function computeRootMatch(pathname) {\n return {\n path: \"/\",\n url: \"/\",\n params: {},\n isExact: pathname === \"/\"\n };\n };\n function Router(props) {\n var _this;\n _this = _React$Component.call(this, props) || this;\n _this.state = {\n location: props.history.location\n }; // This is a bit of a hack. We have to start listening for location\n // changes here in the constructor in case there are any