Visible for testing\r\n */\r\nvar MAX_VALUE_MILLIS = 4 * 60 * 60 * 1000; // Four hours, like iOS and Android.\r\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 */\r\nvar RANDOM_FACTOR = 0.5;\r\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 */\r\nfunction calculateBackoffMillis(backoffCount, intervalMillis, backoffFactor) {\r\n if (intervalMillis === void 0) { intervalMillis = DEFAULT_INTERVAL_MILLIS; }\r\n if (backoffFactor === void 0) { backoffFactor = DEFAULT_BACKOFF_FACTOR; }\r\n // Calculates an exponentially increasing value.\r\n // Deviation: calculates value from count and a constant interval, so we only need to save value\r\n // and count to restore state.\r\n var currBaseValue = intervalMillis * Math.pow(backoffFactor, backoffCount);\r\n // A random \"fuzz\" to avoid waves of retries.\r\n // Deviation: randomFactor is required.\r\n var randomWait = Math.round(\r\n // A fraction of the backoff value to add/subtract.\r\n // Deviation: changes multiplication order to improve readability.\r\n RANDOM_FACTOR *\r\n currBaseValue *\r\n // A random float (rounded to int by Math.round above) in the range [-1, 1]. Determines\r\n // if we add or subtract.\r\n (Math.random() - 0.5) *\r\n 2);\r\n // Limits backoff to max to avoid effectively permanent backoff.\r\n return Math.min(MAX_VALUE_MILLIS, currBaseValue + randomWait);\r\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 */\r\n/**\r\n * Provide English ordinal letters after a number\r\n */\r\nfunction ordinal(i) {\r\n if (!Number.isFinite(i)) {\r\n return \"\" + i;\r\n }\r\n return i + indicator(i);\r\n}\r\nfunction indicator(i) {\r\n i = Math.abs(i);\r\n var cent = i % 100;\r\n if (cent >= 10 && cent <= 20) {\r\n return 'th';\r\n }\r\n var dec = i % 10;\r\n if (dec === 1) {\r\n return 'st';\r\n }\r\n if (dec === 2) {\r\n return 'nd';\r\n }\r\n if (dec === 3) {\r\n return 'rd';\r\n }\r\n return 'th';\r\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 */\r\nfunction getModularInstance(service) {\r\n if (service && service._delegate) {\r\n return service._delegate;\r\n }\r\n else {\r\n return service;\r\n }\r\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 };\n//# sourceMappingURL=index.esm.js.map\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nfunction __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? 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(f = e[0].h, h.push(\"ofs=\" + f)) : f = 0 : h.push(\"ofs=\" + f);\r\n var n = !0;\r\n for (var u = 0; u < c; u++) {\r\n var m = e[u].h;\r\n var r = e[u].g;\r\n m -= f;\r\n if (0 > m)\r\n f = Math.max(0, e[u].h - 100), n = !1;\r\n else\r\n try {\r\n md(r, h, \"req\" + m + \"_\");\r\n }\r\n catch (G) {\r\n d && d(r);\r\n }\r\n }\r\n if (n) {\r\n d = h.join(\"&\");\r\n break a;\r\n }\r\n }\r\n} a = a.l.splice(0, c); b.D = a; return d; }\r\nfunction Gc(a) { a.g || a.u || (a.Y = 1, zb(a.Ga, a), a.A = 0); }\r\nfunction Bc(a) { if (a.g || a.u || 3 <= a.A)\r\n return !1; a.Y++; a.u = K(q(a.Ga, a), Od(a, a.A)); a.A++; return !0; }\r\nk.Ga = function () { this.u = null; Rd(this); if (this.$ && !(this.L || null == this.g || 0 >= this.O)) {\r\n var a = 2 * this.O;\r\n this.h.info(\"BP detection timer enabled: \" + a);\r\n this.B = K(q(this.bb, this), a);\r\n} };\r\nk.bb = function () { this.B && (this.B = null, this.h.info(\"BP detection timeout reached.\"), this.h.info(\"Buffering proxy detected and switch to long-polling!\"), this.N = !1, this.L = !0, J(10), Ac(this), Rd(this)); };\r\nfunction wc(a) { null != a.B && (l.clearTimeout(a.B), a.B = null); }\r\nfunction Rd(a) { a.g = new M(a, a.h, \"rpc\", a.Y); null === a.o && (a.g.H = a.s); a.g.O = 0; var b = N(a.oa); R(b, \"RID\", \"rpc\"); R(b, \"SID\", a.J); R(b, \"CI\", a.N ? \"0\" : \"1\"); R(b, \"AID\", a.U); Kd(a, b); R(b, \"TYPE\", \"xmlhttp\"); a.o && a.s && Gd(b, a.o, a.s); a.K && a.g.setTimeout(a.K); var c = a.g; a = a.la; c.K = 1; c.v = jc(N(b)); c.s = null; c.U = !0; kc(c, a); }\r\nk.ab = function () { null != this.v && (this.v = null, Ac(this), Bc(this), J(19)); };\r\nfunction zc(a) { null != a.v && (l.clearTimeout(a.v), a.v = null); }\r\nfunction uc(a, b) { var c = null; if (a.g == b) {\r\n zc(a);\r\n wc(a);\r\n a.g = null;\r\n var d = 2;\r\n}\r\nelse if (yc(a.i, b))\r\n c = b.D, Fc(a.i, b), d = 1;\r\nelse\r\n return; a.I = b.N; if (0 != a.G)\r\n if (b.i)\r\n if (1 == d) {\r\n c = b.s ? b.s.length : 0;\r\n b = Date.now() - b.F;\r\n var e = a.C;\r\n d = Sb();\r\n D(d, new Vb(d, c, b, e));\r\n Hc(a);\r\n }\r\n else\r\n Gc(a);\r\n else if (e = b.o, 3 == e || 0 == e && 0 < a.I || !(1 == d && Nd(a, b) || 2 == d && Bc(a)))\r\n switch (c && 0 < c.length && (b = a.i, b.i = b.i.concat(c)), e) {\r\n case 1:\r\n Q(a, 5);\r\n break;\r\n case 4:\r\n Q(a, 10);\r\n break;\r\n case 3:\r\n Q(a, 6);\r\n break;\r\n default: Q(a, 2);\r\n } }\r\nfunction Od(a, b) { var c = a.Pa + Math.floor(Math.random() * a.$a); a.j || (c *= 2); return c * b; }\r\nfunction Q(a, b) { a.h.info(\"Error code \" + b); if (2 == b) {\r\n var c = null;\r\n a.j && (c = null);\r\n var d = q(a.jb, a);\r\n c || (c = new U(\"//www.google.com/images/cleardot.gif\"), l.location && \"http\" == l.location.protocol || Oc(c, \"https\"), jc(c));\r\n nd(c.toString(), d);\r\n}\r\nelse\r\n J(2); a.G = 0; a.j && a.j.va(b); Ld(a); Jd(a); }\r\nk.jb = function (a) { a ? (this.h.info(\"Successfully pinged google.com\"), J(2)) : (this.h.info(\"Failed to ping google.com\"), J(1)); };\r\nfunction Ld(a) { a.G = 0; a.I = -1; if (a.j) {\r\n if (0 != jd(a.i).length || 0 != a.l.length)\r\n a.i.i.length = 0, ra(a.l), a.l.length = 0;\r\n a.j.ua();\r\n} }\r\nfunction Ec(a, b, c) { var d = ad(c); if (\"\" != d.i)\r\n b && Pc(d, b + \".\" + d.i), Qc(d, d.m);\r\nelse {\r\n var e = l.location;\r\n d = bd(e.protocol, b ? b + \".\" + e.hostname : e.hostname, +e.port, c);\r\n} a.aa && xa(a.aa, function (e, f) { R(d, f, e); }); b = a.D; c = a.sa; b && c && R(d, b, c); R(d, \"VER\", a.ma); Kd(a, d); return d; }\r\nfunction nc(a, b, c) { if (b && !a.H)\r\n throw Error(\"Can't create secondary domain capable XhrIo object.\"); b = c && a.Ba && !a.qa ? new X(new pd({ ib: !0 })) : new X(a.qa); b.L = a.H; return b; }\r\nfunction Sd() { }\r\nk = Sd.prototype;\r\nk.xa = function () { };\r\nk.wa = function () { };\r\nk.va = function () { };\r\nk.ua = function () { };\r\nk.Oa = function () { };\r\nfunction Td() { if (y && !(10 <= Number(Ua)))\r\n throw Error(\"Environmental error: no available transport.\"); }\r\nTd.prototype.g = function (a, b) { return new Y(a, b); };\r\nfunction Y(a, b) {\r\n C.call(this);\r\n this.g = new Id(b);\r\n this.l = a;\r\n this.h = b && b.messageUrlParams || null;\r\n a = b && b.messageHeaders || null;\r\n b && b.clientProtocolHeaderRequired && (a ? a[\"X-Client-Protocol\"] = \"webchannel\" : a = { \"X-Client-Protocol\": \"webchannel\" });\r\n this.g.s = a;\r\n a = b && b.initMessageHeaders || null;\r\n b && b.messageContentType && (a ? a[\"X-WebChannel-Content-Type\"] = b.messageContentType : a = { \"X-WebChannel-Content-Type\": b.messageContentType });\r\n b && b.ya && (a ? a[\"X-WebChannel-Client-Profile\"] = b.ya : a = { \"X-WebChannel-Client-Profile\": b.ya });\r\n this.g.P =\r\n a;\r\n (a = b && b.httpHeadersOverwriteParam) && !sa(a) && (this.g.o = a);\r\n this.A = b && b.supportsCrossDomainXhr || !1;\r\n this.v = b && b.sendRawJson || !1;\r\n (b = b && b.httpSessionIdParam) && !sa(b) && (this.g.D = b, a = this.h, null !== a && b in a && (a = this.h, b in a && delete a[b]));\r\n this.j = new Z(this);\r\n}\r\nt(Y, C);\r\nY.prototype.m = function () { this.g.j = this.j; this.A && (this.g.H = !0); var a = this.g, b = this.l, c = this.h || void 0; a.Wa && (a.h.info(\"Origin Trials enabled.\"), zb(q(a.hb, a, b))); J(0); a.W = b; a.aa = c || {}; a.N = a.X; a.F = Ec(a, null, a.W); Hc(a); };\r\nY.prototype.close = function () { Ic(this.g); };\r\nY.prototype.u = function (a) { if (\"string\" === typeof a) {\r\n var b = {};\r\n b.__data__ = a;\r\n Md(this.g, b);\r\n}\r\nelse\r\n this.v ? (b = {}, b.__data__ = rb(a), Md(this.g, b)) : Md(this.g, a); };\r\nY.prototype.M = function () { this.g.j = null; delete this.j; Ic(this.g); delete this.g; Y.Z.M.call(this); };\r\nfunction Ud(a) { ac.call(this); var b = a.__sm__; if (b) {\r\n a: {\r\n for (var c in b) {\r\n a = c;\r\n break a;\r\n }\r\n a = void 0;\r\n }\r\n if (this.i = a)\r\n a = this.i, b = null !== b && a in b ? b[a] : void 0;\r\n this.data = b;\r\n}\r\nelse\r\n this.data = a; }\r\nt(Ud, ac);\r\nfunction Vd() { bc.call(this); this.status = 1; }\r\nt(Vd, bc);\r\nfunction Z(a) { this.g = a; }\r\nt(Z, Sd);\r\nZ.prototype.xa = function () { D(this.g, \"a\"); };\r\nZ.prototype.wa = function (a) { D(this.g, new Ud(a)); };\r\nZ.prototype.va = function (a) { D(this.g, new Vd(a)); };\r\nZ.prototype.ua = function () { D(this.g, \"b\"); }; /*\r\n\n Copyright 2017 Google LLC\r\n\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\n http://www.apache.org/licenses/LICENSE-2.0\r\n\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*/\r\nTd.prototype.createWebChannel = Td.prototype.g;\r\nY.prototype.send = Y.prototype.u;\r\nY.prototype.open = Y.prototype.m;\r\nY.prototype.close = Y.prototype.close;\r\nWb.NO_ERROR = 0;\r\nWb.TIMEOUT = 8;\r\nWb.HTTP_ERROR = 6;\r\nXb.COMPLETE = \"complete\";\r\n$b.EventType = L;\r\nL.OPEN = \"a\";\r\nL.CLOSE = \"b\";\r\nL.ERROR = \"c\";\r\nL.MESSAGE = \"d\";\r\nC.prototype.listen = C.prototype.N;\r\nX.prototype.listenOnce = X.prototype.O;\r\nX.prototype.getLastError = X.prototype.La;\r\nX.prototype.getLastErrorCode = X.prototype.Da;\r\nX.prototype.getStatus = X.prototype.ba;\r\nX.prototype.getResponseJson = X.prototype.Qa;\r\nX.prototype.getResponseText = X.prototype.ga;\r\nX.prototype.send = X.prototype.ea;\r\nvar createWebChannelTransport = function () { return new Td; };\r\nvar getStatEventTarget = function () { return Sb(); };\r\nvar ErrorCode = Wb;\r\nvar EventType = Xb;\r\nvar Event = H;\r\nvar Stat = { rb: 0, ub: 1, vb: 2, Ob: 3, Tb: 4, Qb: 5, Rb: 6, Pb: 7, Nb: 8, Sb: 9, PROXY: 10, NOPROXY: 11, Lb: 12, Hb: 13, Ib: 14, Gb: 15, Jb: 16, Kb: 17, nb: 18, mb: 19, ob: 20 };\r\nvar FetchXmlHttpFactory = pd;\r\nvar WebChannel = $b;\r\nvar XhrIo = X;\r\n\r\nvar esm = {\r\n createWebChannelTransport: createWebChannelTransport,\r\n getStatEventTarget: getStatEventTarget,\r\n ErrorCode: ErrorCode,\r\n EventType: EventType,\r\n Event: Event,\r\n Stat: Stat,\r\n FetchXmlHttpFactory: FetchXmlHttpFactory,\r\n WebChannel: WebChannel,\r\n XhrIo: XhrIo\r\n};\n\nexport default esm;\nexport { ErrorCode, Event, EventType, FetchXmlHttpFactory, Stat, WebChannel, XhrIo, createWebChannelTransport, getStatEventTarget };\n//# sourceMappingURL=index.esm.js.map\n"],"sourceRoot":""}