FM / dist

/var/www/greso.tech/server/nsm/node_modules/@firebase/util/dist/

/var/www/greso.tech/server/nsm/node_modules/@firebase/util/dist

Name	Size	Mode	Actions
node-esm/	-	0755	rm
src/	-	0755	rm
test/	-	0755	rm
index.cjs.js	75323	0644	edit dl rm
index.cjs.js.map	121484	0644	edit dl rm
index.d.ts	1359	0644	edit dl rm
index.esm5.js	74896	0644	edit dl rm
index.esm5.js.map	123816	0644	edit dl rm
index.esm2017.js	73687	0644	edit dl rm
index.esm2017.js.map	121419	0644	edit dl rm
index.node.cjs.js	77263	0644	edit dl rm
index.node.cjs.js.map	125512	0644	edit dl rm
index.node.d.ts	1359	0644	edit dl rm
tsdoc-metadata.json	328	0644	edit dl rm
util-public.d.ts	30599	0644	edit dl rm
util.d.ts	31340	0644	edit dl rm

Edit: /var/www/greso.tech/server/nsm/node_modules/@firebase/util/dist/index.esm5.js (74896B)

import { __extends, __assign } from 'tslib';

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var stringToByteArray$1 = function (str) {
    // TODO(user): Use native implementations if/when available
    var out = [];
    var p = 0;
    for (var i = 0; i < str.length; i++) {
        var c = str.charCodeAt(i);
        if (c < 128) {
            out[p++] = c;
        }
        else if (c < 2048) {
            out[p++] = (c >> 6) | 192;
            out[p++] = (c & 63) | 128;
        }
        else if ((c & 0xfc00) === 0xd800 &&
            i + 1 < str.length &&
            (str.charCodeAt(i + 1) & 0xfc00) === 0xdc00) {
            // Surrogate Pair
            c = 0x10000 + ((c & 0x03ff) << 10) + (str.charCodeAt(++i) & 0x03ff);
            out[p++] = (c >> 18) | 240;
            out[p++] = ((c >> 12) & 63) | 128;
            out[p++] = ((c >> 6) & 63) | 128;
            out[p++] = (c & 63) | 128;
        }
        else {
            out[p++] = (c >> 12) | 224;
            out[p++] = ((c >> 6) & 63) | 128;
            out[p++] = (c & 63) | 128;
        }
    }
    return out;
};
/**
 * Turns an array of numbers into the string given by the concatenation of the
 * characters to which the numbers correspond.
 * @param bytes Array of numbers representing characters.
 * @return Stringification of the array.
 */
var byteArrayToString = function (bytes) {
    // TODO(user): Use native implementations if/when available
    var out = [];
    var pos = 0, c = 0;
    while (pos < bytes.length) {
        var c1 = bytes[pos++];
        if (c1 < 128) {
            out[c++] = String.fromCharCode(c1);
        }
        else if (c1 > 191 && c1 < 224) {
            var c2 = bytes[pos++];
            out[c++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
        }
        else if (c1 > 239 && c1 < 365) {
            // Surrogate Pair
            var c2 = bytes[pos++];
            var c3 = bytes[pos++];
            var c4 = bytes[pos++];
            var u = (((c1 & 7) << 18) | ((c2 & 63) << 12) | ((c3 & 63) << 6) | (c4 & 63)) -
                0x10000;
            out[c++] = String.fromCharCode(0xd800 + (u >> 10));
            out[c++] = String.fromCharCode(0xdc00 + (u & 1023));
        }
        else {
            var c2 = bytes[pos++];
            var c3 = bytes[pos++];
            out[c++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
        }
    }
    return out.join('');
};
// We define it as an object literal instead of a class because a class compiled down to es5 can't
// be treeshaked. https://github.com/rollup/rollup/issues/1691
// Static lookup maps, lazily populated by init_()
var base64 = {
    /**
     * Maps bytes to characters.
     */
    byteToCharMap_: null,
    /**
     * Maps characters to bytes.
     */
    charToByteMap_: null,
    /**
     * Maps bytes to websafe characters.
     * @private
     */
    byteToCharMapWebSafe_: null,
    /**
     * Maps websafe characters to bytes.
     * @private
     */
    charToByteMapWebSafe_: null,
    /**
     * Our default alphabet, shared between
     * ENCODED_VALS and ENCODED_VALS_WEBSAFE
     */
    ENCODED_VALS_BASE: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789',
    /**
     * Our default alphabet. Value 64 (=) is special; it means "nothing."
     */
    get ENCODED_VALS() {
        return this.ENCODED_VALS_BASE + '+/=';
    },
    /**
     * Our websafe alphabet.
     */
    get ENCODED_VALS_WEBSAFE() {
        return this.ENCODED_VALS_BASE + '-_.';
    },
    /**
     * Whether this browser supports the atob and btoa functions. This extension
     * started at Mozilla but is now implemented by many browsers. We use the
     * ASSUME_* variables to avoid pulling in the full useragent detection library
     * but still allowing the standard per-browser compilations.
     *
     */
    HAS_NATIVE_SUPPORT: typeof atob === 'function',
    /**
     * Base64-encode an array of bytes.
     *
     * @param input An array of bytes (numbers with
     *     value in [0, 255]) to encode.
     * @param webSafe Boolean indicating we should use the
     *     alternative alphabet.
     * @return The base64 encoded string.
     */
    encodeByteArray: function (input, webSafe) {
        if (!Array.isArray(input)) {
            throw Error('encodeByteArray takes an array as a parameter');
        }
        this.init_();
        var byteToCharMap = webSafe
            ? this.byteToCharMapWebSafe_
            : this.byteToCharMap_;
        var output = [];
        for (var i = 0; i < input.length; i += 3) {
            var byte1 = input[i];
            var haveByte2 = i + 1 < input.length;
            var byte2 = haveByte2 ? input[i + 1] : 0;
            var haveByte3 = i + 2 < input.length;
            var byte3 = haveByte3 ? input[i + 2] : 0;
            var outByte1 = byte1 >> 2;
            var outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4);
            var outByte3 = ((byte2 & 0x0f) << 2) | (byte3 >> 6);
            var outByte4 = byte3 & 0x3f;
            if (!haveByte3) {
                outByte4 = 64;
                if (!haveByte2) {
                    outByte3 = 64;
                }
            }
            output.push(byteToCharMap[outByte1], byteToCharMap[outByte2], byteToCharMap[outByte3], byteToCharMap[outByte4]);
        }
        return output.join('');
    },
    /**
     * Base64-encode a string.
     *
     * @param input A string to encode.
     * @param webSafe If true, we should use the
     *     alternative alphabet.
     * @return The base64 encoded string.
     */
    encodeString: function (input, webSafe) {
        // Shortcut for Mozilla browsers that implement
        // a native base64 encoder in the form of "btoa/atob"
        if (this.HAS_NATIVE_SUPPORT && !webSafe) {
            return btoa(input);
        }
        return this.encodeByteArray(stringToByteArray$1(input), webSafe);
    },
    /**
     * Base64-decode a string.
     *
     * @param input to decode.
     * @param webSafe True if we should use the
     *     alternative alphabet.
     * @return string representing the decoded value.
     */
    decodeString: function (input, webSafe) {
        // Shortcut for Mozilla browsers that implement
        // a native base64 encoder in the form of "btoa/atob"
        if (this.HAS_NATIVE_SUPPORT && !webSafe) {
            return atob(input);
        }
        return byteArrayToString(this.decodeStringToByteArray(input, webSafe));
    },
    /**
     * Base64-decode a string.
     *
     * In base-64 decoding, groups of four characters are converted into three
     * bytes.  If the encoder did not apply padding, the input length may not
     * be a multiple of 4.
     *
     * In this case, the last group will have fewer than 4 characters, and
     * padding will be inferred.  If the group has one or two characters, it decodes
     * to one byte.  If the group has three characters, it decodes to two bytes.
     *
     * @param input Input to decode.
     * @param webSafe True if we should use the web-safe alphabet.
     * @return bytes representing the decoded value.
     */
    decodeStringToByteArray: function (input, webSafe) {
        this.init_();
        var charToByteMap = webSafe
            ? this.charToByteMapWebSafe_
            : this.charToByteMap_;
        var output = [];
        for (var i = 0; i < input.length;) {
            var byte1 = charToByteMap[input.charAt(i++)];
            var haveByte2 = i < input.length;
            var byte2 = haveByte2 ? charToByteMap[input.charAt(i)] : 0;
            ++i;
            var haveByte3 = i < input.length;
            var byte3 = haveByte3 ? charToByteMap[input.charAt(i)] : 64;
            ++i;
            var haveByte4 = i < input.length;
            var byte4 = haveByte4 ? charToByteMap[input.charAt(i)] : 64;
            ++i;
            if (byte1 == null || byte2 == null || byte3 == null || byte4 == null) {
                throw new DecodeBase64StringError();
            }
            var outByte1 = (byte1 << 2) | (byte2 >> 4);
            output.push(outByte1);
            if (byte3 !== 64) {
                var outByte2 = ((byte2 << 4) & 0xf0) | (byte3 >> 2);
                output.push(outByte2);
                if (byte4 !== 64) {
                    var outByte3 = ((byte3 << 6) & 0xc0) | byte4;
                    output.push(outByte3);
                }
            }
        }
        return output;
    },
    /**
     * Lazy static initialization function. Called before
     * accessing any of the static map variables.
     * @private
     */
    init_: function () {
        if (!this.byteToCharMap_) {
            this.byteToCharMap_ = {};
            this.charToByteMap_ = {};
            this.byteToCharMapWebSafe_ = {};
            this.charToByteMapWebSafe_ = {};
            // We want quick mappings back and forth, so we precompute two maps.
            for (var i = 0; i < this.ENCODED_VALS.length; i++) {
                this.byteToCharMap_[i] = this.ENCODED_VALS.charAt(i);
                this.charToByteMap_[this.byteToCharMap_[i]] = i;
                this.byteToCharMapWebSafe_[i] = this.ENCODED_VALS_WEBSAFE.charAt(i);
                this.charToByteMapWebSafe_[this.byteToCharMapWebSafe_[i]] = i;
                // Be forgiving when decoding and correctly decode both encodings.
                if (i >= this.ENCODED_VALS_BASE.length) {
                    this.charToByteMap_[this.ENCODED_VALS_WEBSAFE.charAt(i)] = i;
                    this.charToByteMapWebSafe_[this.ENCODED_VALS.charAt(i)] = i;
                }
            }
        }
    }
};
/**
 * An error encountered while decoding base64 string.
 */
var DecodeBase64StringError = /** @class */ (function (_super) {
    __extends(DecodeBase64StringError, _super);
    function DecodeBase64StringError() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.name = 'DecodeBase64StringError';
        return _this;
    }
    return DecodeBase64StringError;
}(Error));
/**
 * URL-safe base64 encoding
 */
var base64Encode = function (str) {
    var utf8Bytes = stringToByteArray$1(str);
    return base64.encodeByteArray(utf8Bytes, true);
};
/**
 * URL-safe base64 encoding (without "." padding in the end).
 * e.g. Used in JSON Web Token (JWT) parts.
 */
var base64urlEncodeWithoutPadding = function (str) {
    // Use base64url encoding and remove padding in the end (dot characters).
    return base64Encode(str).replace(/\./g, '');
};
/**
 * URL-safe base64 decoding
 *
 * NOTE: DO NOT use the global atob() function - it does NOT support the
 * base64Url variant encoding.
 *
 * @param str To be decoded
 * @return Decoded result, if possible
 */
var base64Decode = function (str) {
    try {
        return base64.decodeString(str, true);
    }
    catch (e) {
        console.error('base64Decode failed: ', e);
    }
    return null;
};

/**
 * @license
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var getDefaultsFromGlobal = function () {
    return getGlobal().__FIREBASE_DEFAULTS__;
};
/**
 * Attempt to read defaults from a JSON string provided to
 * process(.)env(.)__FIREBASE_DEFAULTS__ or a JSON file whose path is in
 * process(.)env(.)__FIREBASE_DEFAULTS_PATH__
 * The dots are in parens because certain compilers (Vite?) cannot
 * handle seeing that variable in comments.
 * See https://github.com/firebase/firebase-js-sdk/issues/6838
 */
var getDefaultsFromEnvVariable = function () {
    if (typeof process === 'undefined' || typeof process.env === 'undefined') {
        return;
    }
    var defaultsJsonString = process.env.__FIREBASE_DEFAULTS__;
    if (defaultsJsonString) {
        return JSON.parse(defaultsJsonString);
    }
};
var getDefaultsFromCookie = function () {
    if (typeof document === 'undefined') {
        return;
    }
    var match;
    try {
        match = document.cookie.match(/__FIREBASE_DEFAULTS__=([^;]+)/);
    }
    catch (e) {
        // Some environments such as Angular Universal SSR have a
        // `document` object but error on accessing `document.cookie`.
        return;
    }
    var decoded = match && base64Decode(match[1]);
    return decoded && JSON.parse(decoded);
};
/**
 * Get the __FIREBASE_DEFAULTS__ object. It checks in order:
 * (1) if such an object exists as a property of `globalThis`
 * (2) if such an object was provided on a shell environment variable
 * (3) if such an object exists in a cookie
 * @public
 */
var getDefaults = function () {
    try {
        return (getDefaultsFromGlobal() ||
            getDefaultsFromEnvVariable() ||
            getDefaultsFromCookie());
    }
    catch (e) {
        /**
         * Catch-all for being unable to get __FIREBASE_DEFAULTS__ due
         * to any environment case we have not accounted for. Log to
         * info instead of swallowing so we can find these unknown cases
         * and add paths for them if needed.
         */
        console.info("Unable to get __FIREBASE_DEFAULTS__ due to: ".concat(e));
        return;
    }
};
/**
 * Returns emulator host stored in the __FIREBASE_DEFAULTS__ object
 * for the given product.
 * @returns a URL host formatted like `127.0.0.1:9999` or `[::1]:4000` if available
 * @public
 */
var getDefaultEmulatorHost = function (productName) { var _a, _b; return (_b = (_a = getDefaults()) === null || _a === void 0 ? void 0 : _a.emulatorHosts) === null || _b === void 0 ? void 0 : _b[productName]; };
/**
 * Returns emulator hostname and port stored in the __FIREBASE_DEFAULTS__ object
 * for the given product.
 * @returns a pair of hostname and port like `["::1", 4000]` if available
 * @public
 */
var getDefaultEmulatorHostnameAndPort = function (productName) {
    var host = getDefaultEmulatorHost(productName);
    if (!host) {
        return undefined;
    }
    var separatorIndex = host.lastIndexOf(':'); // Finding the last since IPv6 addr also has colons.
    if (separatorIndex <= 0 || separatorIndex + 1 === host.length) {
        throw new Error("Invalid host ".concat(host, " with no separate hostname and port!"));
    }
    // eslint-disable-next-line no-restricted-globals
    var port = parseInt(host.substring(separatorIndex + 1), 10);
    if (host[0] === '[') {
        // Bracket-quoted `[ipv6addr]:port` => return "ipv6addr" (without brackets).
        return [host.substring(1, separatorIndex - 1), port];
    }
    else {
        return [host.substring(0, separatorIndex), port];
    }
};
/**
 * Returns Firebase app config stored in the __FIREBASE_DEFAULTS__ object.
 * @public
 */
var getDefaultAppConfig = function () { var _a; return (_a = getDefaults()) === null || _a === void 0 ? void 0 : _a.config; };
/**
 * Returns an experimental setting on the __FIREBASE_DEFAULTS__ object (properties
 * prefixed by "_")
 * @public
 */
var getExperimentalSetting = function (name) { var _a; return (_a = getDefaults()) === null || _a === void 0 ? void 0 : _a["_".concat(name)]; };

/**
 * @license
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
function createMockUserToken(token, projectId) {
    if (token.uid) {
        throw new Error('The "uid" field is no longer supported by mockUserToken. Please use "sub" instead for Firebase Auth User ID.');
    }
    // Unsecured JWTs use "none" as the algorithm.
    var header = {
        alg: 'none',
        type: 'JWT'
    };
    var project = projectId || 'demo-project';
    var iat = token.iat || 0;
    var sub = token.sub || token.user_id;
    if (!sub) {
        throw new Error("mockUserToken must contain 'sub' or 'user_id' field!");
    }
    var payload = __assign({ 
        // Set all required fields to decent defaults
        iss: "https://securetoken.google.com/".concat(project), aud: project, iat: iat, exp: iat + 3600, auth_time: iat, sub: sub, user_id: sub, firebase: {
            sign_in_provider: 'custom',
            identities: {}
        } }, token);
    // Unsecured JWTs use the empty string as a signature.
    var signature = '';
    return [
        base64urlEncodeWithoutPadding(JSON.stringify(header)),
        base64urlEncodeWithoutPadding(JSON.stringify(payload)),
        signature
    ].join('.');
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * @fileoverview SHA-1 cryptographic hash.
 * Variable names follow the notation in FIPS PUB 180-3:
 * http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf.
 *
 * Usage:
 *   var sha1 = new sha1();
 *   sha1.update(bytes);
 *   var hash = sha1.digest();
 *
 * Performance:
 *   Chrome 23:   ~400 Mbit/s
 *   Firefox 16:  ~250 Mbit/s
 *
 */
/**
 * SHA-1 cryptographic hash constructor.
 *
 * The properties declared here are discussed in the above algorithm document.
 * @constructor
 * @final
 * @struct
 */
var Sha1 = /** @class */ (function () {
    function Sha1() {
        /**
         * Holds the previous values of accumulated variables a-e in the compress_
         * function.
         * @private
         */
        this.chain_ = [];
        /**
         * A buffer holding the partially computed hash result.
         * @private
         */
        this.buf_ = [];
        /**
         * An array of 80 bytes, each a part of the message to be hashed.  Referred to
         * as the message schedule in the docs.
         * @private
         */
        this.W_ = [];
        /**
         * Contains data needed to pad messages less than 64 bytes.
         * @private
         */
        this.pad_ = [];
        /**
         * @private {number}
         */
        this.inbuf_ = 0;
        /**
         * @private {number}
         */
        this.total_ = 0;
        this.blockSize = 512 / 8;
        this.pad_[0] = 128;
        for (var i = 1; i < this.blockSize; ++i) {
            this.pad_[i] = 0;
        }
        this.reset();
    }
    Sha1.prototype.reset = function () {
        this.chain_[0] = 0x67452301;
        this.chain_[1] = 0xefcdab89;
        this.chain_[2] = 0x98badcfe;
        this.chain_[3] = 0x10325476;
        this.chain_[4] = 0xc3d2e1f0;
        this.inbuf_ = 0;
        this.total_ = 0;
    };
    /**
     * Internal compress helper function.
     * @param buf Block to compress.
     * @param offset Offset of the block in the buffer.
     * @private
     */
    Sha1.prototype.compress_ = function (buf, offset) {
        if (!offset) {
            offset = 0;
        }
        var W = this.W_;
        // get 16 big endian words
        if (typeof buf === 'string') {
            for (var i = 0; i < 16; i++) {
                // TODO(user): [bug 8140122] Recent versions of Safari for Mac OS and iOS
                // have a bug that turns the post-increment ++ operator into pre-increment
                // during JIT compilation.  We have code that depends heavily on SHA-1 for
                // correctness and which is affected by this bug, so I've removed all uses
                // of post-increment ++ in which the result value is used.  We can revert
                // this change once the Safari bug
                // (https://bugs.webkit.org/show_bug.cgi?id=109036) has been fixed and
                // most clients have been updated.
                W[i] =
                    (buf.charCodeAt(offset) << 24) |
                        (buf.charCodeAt(offset + 1) << 16) |
                        (buf.charCodeAt(offset + 2) << 8) |
                        buf.charCodeAt(offset + 3);
                offset += 4;
            }
        }
        else {
            for (var i = 0; i < 16; i++) {
                W[i] =
                    (buf[offset] << 24) |
                        (buf[offset + 1] << 16) |
                        (buf[offset + 2] << 8) |
                        buf[offset + 3];
                offset += 4;
            }
        }
        // expand to 80 words
        for (var i = 16; i < 80; i++) {
            var t = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];
            W[i] = ((t << 1) | (t >>> 31)) & 0xffffffff;
        }
        var a = this.chain_[0];
        var b = this.chain_[1];
        var c = this.chain_[2];
        var d = this.chain_[3];
        var e = this.chain_[4];
        var f, k;
        // TODO(user): Try to unroll this loop to speed up the computation.
        for (var i = 0; i < 80; i++) {
            if (i < 40) {
                if (i < 20) {
                    f = d ^ (b & (c ^ d));
                    k = 0x5a827999;
                }
                else {
                    f = b ^ c ^ d;
                    k = 0x6ed9eba1;
                }
            }
            else {
                if (i < 60) {
                    f = (b & c) | (d & (b | c));
                    k = 0x8f1bbcdc;
                }
                else {
                    f = b ^ c ^ d;
                    k = 0xca62c1d6;
                }
            }
            var t = (((a << 5) | (a >>> 27)) + f + e + k + W[i]) & 0xffffffff;
            e = d;
            d = c;
            c = ((b << 30) | (b >>> 2)) & 0xffffffff;
            b = a;
            a = t;
        }
        this.chain_[0] = (this.chain_[0] + a) & 0xffffffff;
        this.chain_[1] = (this.chain_[1] + b) & 0xffffffff;
        this.chain_[2] = (this.chain_[2] + c) & 0xffffffff;
        this.chain_[3] = (this.chain_[3] + d) & 0xffffffff;
        this.chain_[4] = (this.chain_[4] + e) & 0xffffffff;
    };
    Sha1.prototype.update = function (bytes, length) {
        // TODO(johnlenz): tighten the function signature and remove this check
        if (bytes == null) {
            return;
        }
        if (length === undefined) {
            length = bytes.length;
        }
        var lengthMinusBlock = length - this.blockSize;
        var n = 0;
        // Using local instead of member variables gives ~5% speedup on Firefox 16.
        var buf = this.buf_;
        var inbuf = this.inbuf_;
        // The outer while loop should execute at most twice.
        while (n < length) {
            // When we have no data in the block to top up, we can directly process the
            // input buffer (assuming it contains sufficient data). This gives ~25%
            // speedup on Chrome 23 and ~15% speedup on Firefox 16, but requires that
            // the data is provided in large chunks (or in multiples of 64 bytes).
            if (inbuf === 0) {
                while (n <= lengthMinusBlock) {
                    this.compress_(bytes, n);
                    n += this.blockSize;
                }
            }
            if (typeof bytes === 'string') {
                while (n < length) {
                    buf[inbuf] = bytes.charCodeAt(n);
                    ++inbuf;
                    ++n;
                    if (inbuf === this.blockSize) {
                        this.compress_(buf);
                        inbuf = 0;
                        // Jump to the outer loop so we use the full-block optimization.
                        break;
                    }
                }
            }
            else {
                while (n < length) {
                    buf[inbuf] = bytes[n];
                    ++inbuf;
                    ++n;
                    if (inbuf === this.blockSize) {
                        this.compress_(buf);
                        inbuf = 0;
                        // Jump to the outer loop so we use the full-block optimization.
                        break;
                    }
                }
            }
        }
        this.inbuf_ = inbuf;
        this.total_ += length;
    };
    /** @override */
    Sha1.prototype.digest = function () {
        var digest = [];
        var totalBits = this.total_ * 8;
        // Add pad 0x80 0x00*.
        if (this.inbuf_ < 56) {
            this.update(this.pad_, 56 - this.inbuf_);
        }
        else {
            this.update(this.pad_, this.blockSize - (this.inbuf_ - 56));
        }
        // Add # bits.
        for (var i = this.blockSize - 1; i >= 56; i--) {
            this.buf_[i] = totalBits & 255;
            totalBits /= 256; // Don't use bit-shifting here!
        }
        this.compress_(this.buf_);
        var n = 0;
        for (var i = 0; i < 5; i++) {
            for (var j = 24; j >= 0; j -= 8) {
                digest[n] = (this.chain_[i] >> j) & 255;
                ++n;
            }
        }
        return digest;
    };
    return Sha1;
}());

/**
 * Helper to make a Subscribe function (just like Promise helps make a
 * Thenable).
 *
 * @param executor Function which can make calls to a single Observer
 *     as a proxy.
 * @param onNoObservers Callback when count of Observers goes to zero.
 */
function createSubscribe(executor, onNoObservers) {
    var proxy = new ObserverProxy(executor, onNoObservers);
    return proxy.subscribe.bind(proxy);
}
/**
 * Implement fan-out for any number of Observers attached via a subscribe
 * function.
 */
var ObserverProxy = /** @class */ (function () {
    /**
     * @param executor Function which can make calls to a single Observer
     *     as a proxy.
     * @param onNoObservers Callback when count of Observers goes to zero.
     */
    function ObserverProxy(executor, onNoObservers) {
        var _this = this;
        this.observers = [];
        this.unsubscribes = [];
        this.observerCount = 0;
        // Micro-task scheduling by calling task.then().
        this.task = Promise.resolve();
        this.finalized = false;
        this.onNoObservers = onNoObservers;
        // Call the executor asynchronously so subscribers that are called
        // synchronously after the creation of the subscribe function
        // can still receive the very first value generated in the executor.
        this.task
            .then(function () {
            executor(_this);
        })
            .catch(function (e) {
            _this.error(e);
        });
    }
    ObserverProxy.prototype.next = function (value) {
        this.forEachObserver(function (observer) {
            observer.next(value);
        });
    };
    ObserverProxy.prototype.error = function (error) {
        this.forEachObserver(function (observer) {
            observer.error(error);
        });
        this.close(error);
    };
    ObserverProxy.prototype.complete = function () {
        this.forEachObserver(function (observer) {
            observer.complete();
        });
        this.close();
    };
    /**
     * Subscribe function that can be used to add an Observer to the fan-out list.
     *
     * - We require that no event is sent to a subscriber sychronously to their
     *   call to subscribe().
     */
    ObserverProxy.prototype.subscribe = function (nextOrObserver, error, complete) {
        var _this = this;
        var observer;
        if (nextOrObserver === undefined &&
            error === undefined &&
            complete === undefined) {
            throw new Error('Missing Observer.');
        }
        // Assemble an Observer object when passed as callback functions.
        if (implementsAnyMethods(nextOrObserver, [
            'next',
            'error',
            'complete'
        ])) {
            observer = nextOrObserver;
        }
        else {
            observer = {
                next: nextOrObserver,
                error: error,
                complete: complete
            };
        }
        if (observer.next === undefined) {
            observer.next = noop;
        }
        if (observer.error === undefined) {
            observer.error = noop;
        }
        if (observer.complete === undefined) {
            observer.complete = noop;
        }
        var unsub = this.unsubscribeOne.bind(this, this.observers.length);
        // Attempt to subscribe to a terminated Observable - we
        // just respond to the Observer with the final error or complete
        // event.
        if (this.finalized) {
            // eslint-disable-next-line @typescript-eslint/no-floating-promises
            this.task.then(function () {
                try {
                    if (_this.finalError) {
                        observer.error(_this.finalError);
                    }
                    else {
                        observer.complete();
                    }
                }
                catch (e) {
                    // nothing
                }
                return;
            });
        }
        this.observers.push(observer);
        return unsub;
    };
    // Unsubscribe is synchronous - we guarantee that no events are sent to
    // any unsubscribed Observer.
    ObserverProxy.prototype.unsubscribeOne = function (i) {
        if (this.observers === undefined || this.observers[i] === undefined) {
            return;
        }
        delete this.observers[i];
        this.observerCount -= 1;
        if (this.observerCount === 0 && this.onNoObservers !== undefined) {
            this.onNoObservers(this);
        }
    };
    ObserverProxy.prototype.forEachObserver = function (fn) {
        if (this.finalized) {
            // Already closed by previous event....just eat the additional values.
            return;
        }
        // Since sendOne calls asynchronously - there is no chance that
        // this.observers will become undefined.
        for (var i = 0; i < this.observers.length; i++) {
            this.sendOne(i, fn);
        }
    };
    // Call the Observer via one of it's callback function. We are careful to
    // confirm that the observe has not been unsubscribed since this asynchronous
    // function had been queued.
    ObserverProxy.prototype.sendOne = function (i, fn) {
        var _this = this;
        // Execute the callback asynchronously
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        this.task.then(function () {
            if (_this.observers !== undefined && _this.observers[i] !== undefined) {
                try {
                    fn(_this.observers[i]);
                }
                catch (e) {
                    // Ignore exceptions raised in Observers or missing methods of an
                    // Observer.
                    // Log error to console. b/31404806
                    if (typeof console !== 'undefined' && console.error) {
                        console.error(e);
                    }
                }
            }
        });
    };
    ObserverProxy.prototype.close = function (err) {
        var _this = this;
        if (this.finalized) {
            return;
        }
        this.finalized = true;
        if (err !== undefined) {
            this.finalError = err;
        }
        // Proxy is no longer needed - garbage collect references
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        this.task.then(function () {
            _this.observers = undefined;
            _this.onNoObservers = undefined;
        });
    };
    return ObserverProxy;
}());
/** Turn synchronous function into one called asynchronously. */
// eslint-disable-next-line @typescript-eslint/ban-types
function async(fn, onError) {
    return function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        Promise.resolve(true)
            .then(function () {
            fn.apply(void 0, args);
        })
            .catch(function (error) {
            if (onError) {
                onError(error);
            }
        });
    };
}
/**
 * Return true if the object passed in implements any of the named methods.
 */
function implementsAnyMethods(obj, methods) {
    if (typeof obj !== 'object' || obj === null) {
        return false;
    }
    for (var _i = 0, methods_1 = methods; _i < methods_1.length; _i++) {
        var method = methods_1[_i];
        if (method in obj && typeof obj[method] === 'function') {
            return true;
        }
    }
    return false;
}
function noop() {
    // do nothing
}

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * The amount of milliseconds to exponentially increase.
 */
var DEFAULT_INTERVAL_MILLIS = 1000;
/**
 * The factor to backoff by.
 * Should be a number greater than 1.
 */
var DEFAULT_BACKOFF_FACTOR = 2;
/**
 * The maximum milliseconds to increase to.
 *
 * <p>Visible for testing
 */
var MAX_VALUE_MILLIS = 4 * 60 * 60 * 1000; // Four hours, like iOS and Android.
/**
 * The percentage of backoff time to randomize by.
 * See
 * http://go/safe-client-behavior#step-1-determine-the-appropriate-retry-interval-to-handle-spike-traffic
 * for context.
 *
 * <p>Visible for testing
 */
var RANDOM_FACTOR = 0.5;
/**
 * Based on the backoff method from
 * https://github.com/google/closure-library/blob/master/closure/goog/math/exponentialbackoff.js.
 * Extracted here so we don't need to pass metadata and a stateful ExponentialBackoff object around.
 */
function calculateBackoffMillis(backoffCount, intervalMillis, backoffFactor) {
    if (intervalMillis === void 0) { intervalMillis = DEFAULT_INTERVAL_MILLIS; }
    if (backoffFactor === void 0) { backoffFactor = DEFAULT_BACKOFF_FACTOR; }
    // Calculates an exponentially increasing value.
    // Deviation: calculates value from count and a constant interval, so we only need to save value
    // and count to restore state.
    var currBaseValue = intervalMillis * Math.pow(backoffFactor, backoffCount);
    // A random "fuzz" to avoid waves of retries.
    // Deviation: randomFactor is required.
    var randomWait = Math.round(
    // A fraction of the backoff value to add/subtract.
    // Deviation: changes multiplication order to improve readability.
    RANDOM_FACTOR *
        currBaseValue *
        // A random float (rounded to int by Math.round above) in the range [-1, 1]. Determines
        // if we add or subtract.
        (Math.random() - 0.5) *
        2);
    // Limits backoff to max to avoid effectively permanent backoff.
    return Math.min(MAX_VALUE_MILLIS, currBaseValue + randomWait);
}

/**
 * @license
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Provide English ordinal letters after a number
 */
function ordinal(i) {
    if (!Number.isFinite(i)) {
        return "".concat(i);
    }
    return i + indicator(i);
}
function indicator(i) {
    i = Math.abs(i);
    var cent = i % 100;
    if (cent >= 10 && cent <= 20) {
        return 'th';
    }
    var dec = i % 10;
    if (dec === 1) {
        return 'st';
    }
    if (dec === 2) {
        return 'nd';
    }
    if (dec === 3) {
        return 'rd';
    }
    return 'th';
}

export { CONSTANTS, DecodeBase64StringError, 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, getDefaultAppConfig, getDefaultEmulatorHost, getDefaultEmulatorHostnameAndPort, getDefaults, getExperimentalSetting, getGlobal, getModularInstance, getUA, isAdmin, isBrowser, isBrowserExtension, isElectron, isEmpty, isIE, isIndexedDBAvailable, isMobileCordova, isNode, isNodeSdk, isReactNative, isSafari, isUWP, isValidFormat, isValidTimestamp, issuedAtTime, jsonEval, map, ordinal, promiseWithTimeout, querystring, querystringDecode, safeGet, stringLength, stringToByteArray, stringify, uuidv4, validateArgCount, validateCallback, validateContextObject, validateIndexedDBOpenable, validateNamespace };
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