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DO NOT EDIT BY HAND!\n//\n;\n(function (global, factory) {\n    typeof exports === 'object' && typeof module !== 'undefined'\n        ? module.exports = factory()\n        : typeof define === 'function' && define.amd\n            ? define(factory) :\n            // cf. https://github.com/dankogai/js-base64/issues/119\n            (function () {\n                // existing version for noConflict()\n                var _Base64 = global.Base64;\n                var gBase64 = factory();\n                gBase64.noConflict = function () {\n                    global.Base64 = _Base64;\n                    return gBase64;\n                };\n                if (global.Meteor) { // Meteor.js\n                    Base64 = gBase64;\n                }\n                global.Base64 = gBase64;\n            })();\n}((typeof self !== 'undefined' ? self\n    : typeof window !== 'undefined' ? window\n        : typeof global !== 'undefined' ? global\n            : this), function () {\n    \n    /**\n     *  base64.ts\n     *\n     *  Licensed under the BSD 3-Clause License.\n     *    http://opensource.org/licenses/BSD-3-Clause\n     *\n     *  References:\n     *    http://en.wikipedia.org/wiki/Base64\n     *\n     * @author Dan Kogai (https://github.com/dankogai)\n     */\n    var version = '3.7.2';\n    /**\n     * @deprecated use lowercase `version`.\n     */\n    var VERSION = version;\n    var _hasatob = typeof atob === 'function';\n    var _hasbtoa = typeof btoa === 'function';\n    var _hasBuffer = typeof Buffer === 'function';\n    var _TD = typeof TextDecoder === 'function' ? new TextDecoder() : undefined;\n    var _TE = typeof TextEncoder === 'function' ? new TextEncoder() : undefined;\n    var b64ch = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n    var b64chs = Array.prototype.slice.call(b64ch);\n    var b64tab = (function (a) {\n        var tab = {};\n        a.forEach(function (c, i) { return tab[c] = i; });\n        return tab;\n    })(b64chs);\n    var b64re = /^(?:[A-Za-z\\d+\\/]{4})*?(?:[A-Za-z\\d+\\/]{2}(?:==)?|[A-Za-z\\d+\\/]{3}=?)?$/;\n    var _fromCC = String.fromCharCode.bind(String);\n    var _U8Afrom = typeof Uint8Array.from === 'function'\n        ? Uint8Array.from.bind(Uint8Array)\n        : function (it, fn) {\n            if (fn === void 0) { fn = function (x) { return x; }; }\n            return new Uint8Array(Array.prototype.slice.call(it, 0).map(fn));\n        };\n    var _mkUriSafe = function (src) { return src\n        .replace(/=/g, '').replace(/[+\\/]/g, function (m0) { return m0 == '+' ? '-' : '_'; }); };\n    var _tidyB64 = function (s) { return s.replace(/[^A-Za-z0-9\\+\\/]/g, ''); };\n    /**\n     * polyfill version of `btoa`\n     */\n    var btoaPolyfill = function (bin) {\n        // console.log('polyfilled');\n        var u32, c0, c1, c2, asc = '';\n        var pad = bin.length % 3;\n        for (var i = 0; i < bin.length;) {\n            if ((c0 = bin.charCodeAt(i++)) > 255 ||\n                (c1 = bin.charCodeAt(i++)) > 255 ||\n                (c2 = bin.charCodeAt(i++)) > 255)\n                throw new TypeError('invalid character found');\n            u32 = (c0 << 16) | (c1 << 8) | c2;\n            asc += b64chs[u32 >> 18 & 63]\n                + b64chs[u32 >> 12 & 63]\n                + b64chs[u32 >> 6 & 63]\n                + b64chs[u32 & 63];\n        }\n        return pad ? asc.slice(0, pad - 3) + \"===\".substring(pad) : asc;\n    };\n    /**\n     * does what `window.btoa` of web browsers do.\n     * @param {String} bin binary string\n     * @returns {string} Base64-encoded string\n     */\n    var _btoa = _hasbtoa ? function (bin) { return btoa(bin); }\n        : _hasBuffer ? function (bin) { return Buffer.from(bin, 'binary').toString('base64'); }\n            : btoaPolyfill;\n    var _fromUint8Array = _hasBuffer\n        ? function (u8a) { return Buffer.from(u8a).toString('base64'); }\n        : function (u8a) {\n            // cf. https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/12713326#12713326\n            var maxargs = 0x1000;\n            var strs = [];\n            for (var i = 0, l = u8a.length; i < l; i += maxargs) {\n                strs.push(_fromCC.apply(null, u8a.subarray(i, i + maxargs)));\n            }\n            return _btoa(strs.join(''));\n        };\n    /**\n     * converts a Uint8Array to a Base64 string.\n     * @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5\n     * @returns {string} Base64 string\n     */\n    var fromUint8Array = function (u8a, urlsafe) {\n        if (urlsafe === void 0) { urlsafe = false; }\n        return urlsafe ? _mkUriSafe(_fromUint8Array(u8a)) : _fromUint8Array(u8a);\n    };\n    // This trick is found broken https://github.com/dankogai/js-base64/issues/130\n    // const utob = (src: string) => unescape(encodeURIComponent(src));\n    // reverting good old fationed regexp\n    var cb_utob = function (c) {\n        if (c.length < 2) {\n            var cc = c.charCodeAt(0);\n            return cc < 0x80 ? c\n                : cc < 0x800 ? (_fromCC(0xc0 | (cc >>> 6))\n                    + _fromCC(0x80 | (cc & 0x3f)))\n                    : (_fromCC(0xe0 | ((cc >>> 12) & 0x0f))\n                        + _fromCC(0x80 | ((cc >>> 6) & 0x3f))\n                        + _fromCC(0x80 | (cc & 0x3f)));\n        }\n        else {\n            var cc = 0x10000\n                + (c.charCodeAt(0) - 0xD800) * 0x400\n                + (c.charCodeAt(1) - 0xDC00);\n            return (_fromCC(0xf0 | ((cc >>> 18) & 0x07))\n                + _fromCC(0x80 | ((cc >>> 12) & 0x3f))\n                + _fromCC(0x80 | ((cc >>> 6) & 0x3f))\n                + _fromCC(0x80 | (cc & 0x3f)));\n        }\n    };\n    var re_utob = /[\\uD800-\\uDBFF][\\uDC00-\\uDFFFF]|[^\\x00-\\x7F]/g;\n    /**\n     * @deprecated should have been internal use only.\n     * @param {string} src UTF-8 string\n     * @returns {string} UTF-16 string\n     */\n    var utob = function (u) { return u.replace(re_utob, cb_utob); };\n    //\n    var _encode = _hasBuffer\n        ? function (s) { return Buffer.from(s, 'utf8').toString('base64'); }\n        : _TE\n            ? function (s) { return _fromUint8Array(_TE.encode(s)); }\n            : function (s) { return _btoa(utob(s)); };\n    /**\n     * converts a UTF-8-encoded string to a Base64 string.\n     * @param {boolean} [urlsafe] if `true` make the result URL-safe\n     * @returns {string} Base64 string\n     */\n    var encode = function (src, urlsafe) {\n        if (urlsafe === void 0) { urlsafe = false; }\n        return urlsafe\n            ? _mkUriSafe(_encode(src))\n            : _encode(src);\n    };\n    /**\n     * converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.\n     * @returns {string} Base64 string\n     */\n    var encodeURI = function (src) { return encode(src, true); };\n    // This trick is found broken https://github.com/dankogai/js-base64/issues/130\n    // const btou = (src: string) => decodeURIComponent(escape(src));\n    // reverting good old fationed regexp\n    var re_btou = /[\\xC0-\\xDF][\\x80-\\xBF]|[\\xE0-\\xEF][\\x80-\\xBF]{2}|[\\xF0-\\xF7][\\x80-\\xBF]{3}/g;\n    var cb_btou = function (cccc) {\n        switch (cccc.length) {\n            case 4:\n                var cp = ((0x07 & cccc.charCodeAt(0)) << 18)\n                    | ((0x3f & cccc.charCodeAt(1)) << 12)\n                    | ((0x3f & cccc.charCodeAt(2)) << 6)\n                    | (0x3f & cccc.charCodeAt(3)), offset = cp - 0x10000;\n                return (_fromCC((offset >>> 10) + 0xD800)\n                    + _fromCC((offset & 0x3FF) + 0xDC00));\n            case 3:\n                return _fromCC(((0x0f & cccc.charCodeAt(0)) << 12)\n                    | ((0x3f & cccc.charCodeAt(1)) << 6)\n                    | (0x3f & cccc.charCodeAt(2)));\n            default:\n                return _fromCC(((0x1f & cccc.charCodeAt(0)) << 6)\n                    | (0x3f & cccc.charCodeAt(1)));\n        }\n    };\n    /**\n     * @deprecated should have been internal use only.\n     * @param {string} src UTF-16 string\n     * @returns {string} UTF-8 string\n     */\n    var btou = function (b) { return b.replace(re_btou, cb_btou); };\n    /**\n     * polyfill version of `atob`\n     */\n    var atobPolyfill = function (asc) {\n        // console.log('polyfilled');\n        asc = asc.replace(/\\s+/g, '');\n        if (!b64re.test(asc))\n            throw new TypeError('malformed base64.');\n        asc += '=='.slice(2 - (asc.length & 3));\n        var u24, bin = '', r1, r2;\n        for (var i = 0; i < asc.length;) {\n            u24 = b64tab[asc.charAt(i++)] << 18\n                | b64tab[asc.charAt(i++)] << 12\n                | (r1 = b64tab[asc.charAt(i++)]) << 6\n                | (r2 = b64tab[asc.charAt(i++)]);\n            bin += r1 === 64 ? _fromCC(u24 >> 16 & 255)\n                : r2 === 64 ? _fromCC(u24 >> 16 & 255, u24 >> 8 & 255)\n                    : _fromCC(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);\n        }\n        return bin;\n    };\n    /**\n     * does what `window.atob` of web browsers do.\n     * @param {String} asc Base64-encoded string\n     * @returns {string} binary string\n     */\n    var _atob = _hasatob ? function (asc) { return atob(_tidyB64(asc)); }\n        : _hasBuffer ? function (asc) { return Buffer.from(asc, 'base64').toString('binary'); }\n            : atobPolyfill;\n    //\n    var _toUint8Array = _hasBuffer\n        ? function (a) { return _U8Afrom(Buffer.from(a, 'base64')); }\n        : function (a) { return _U8Afrom(_atob(a), function (c) { return c.charCodeAt(0); }); };\n    /**\n     * converts a Base64 string to a Uint8Array.\n     */\n    var toUint8Array = function (a) { return _toUint8Array(_unURI(a)); };\n    //\n    var _decode = _hasBuffer\n        ? function (a) { return Buffer.from(a, 'base64').toString('utf8'); }\n        : _TD\n            ? function (a) { return _TD.decode(_toUint8Array(a)); }\n            : function (a) { return btou(_atob(a)); };\n    var _unURI = function (a) { return _tidyB64(a.replace(/[-_]/g, function (m0) { return m0 == '-' ? '+' : '/'; })); };\n    /**\n     * converts a Base64 string to a UTF-8 string.\n     * @param {String} src Base64 string.  Both normal and URL-safe are supported\n     * @returns {string} UTF-8 string\n     */\n    var decode = function (src) { return _decode(_unURI(src)); };\n    /**\n     * check if a value is a valid Base64 string\n     * @param {String} src a value to check\n      */\n    var isValid = function (src) {\n        if (typeof src !== 'string')\n            return false;\n        var s = src.replace(/\\s+/g, '').replace(/={0,2}$/, '');\n        return !/[^\\s0-9a-zA-Z\\+/]/.test(s) || !/[^\\s0-9a-zA-Z\\-_]/.test(s);\n    };\n    //\n    var _noEnum = function (v) {\n        return {\n            value: v, enumerable: false, writable: true, configurable: true\n        };\n    };\n    /**\n     * extend String.prototype with relevant methods\n     */\n    var extendString = function () {\n        var _add = function (name, body) { return Object.defineProperty(String.prototype, name, _noEnum(body)); };\n        _add('fromBase64', function () { return decode(this); });\n        _add('toBase64', function (urlsafe) { return encode(this, urlsafe); });\n        _add('toBase64URI', function () { return encode(this, true); });\n        _add('toBase64URL', function () { return encode(this, true); });\n        _add('toUint8Array', function () { return toUint8Array(this); });\n    };\n    /**\n     * extend Uint8Array.prototype with relevant methods\n     */\n    var extendUint8Array = function () {\n        var _add = function (name, body) { return Object.defineProperty(Uint8Array.prototype, name, _noEnum(body)); };\n        _add('toBase64', function (urlsafe) { return fromUint8Array(this, urlsafe); });\n        _add('toBase64URI', function () { return fromUint8Array(this, true); });\n        _add('toBase64URL', function () { return fromUint8Array(this, true); });\n    };\n    /**\n     * extend Builtin prototypes with relevant methods\n     */\n    var extendBuiltins = function () {\n        extendString();\n        extendUint8Array();\n    };\n    var gBase64 = {\n        version: version,\n        VERSION: VERSION,\n        atob: _atob,\n        atobPolyfill: atobPolyfill,\n        btoa: _btoa,\n        btoaPolyfill: btoaPolyfill,\n        fromBase64: decode,\n        toBase64: encode,\n        encode: encode,\n        encodeURI: encodeURI,\n        encodeURL: encodeURI,\n        utob: utob,\n        btou: btou,\n        decode: decode,\n        isValid: isValid,\n        fromUint8Array: fromUint8Array,\n        toUint8Array: toUint8Array,\n        extendString: extendString,\n        extendUint8Array: extendUint8Array,\n        extendBuiltins: extendBuiltins\n    };\n    //\n    // export Base64 to the namespace\n    //\n    // ES5 is yet to have Object.assign() that may make transpilers unhappy.\n    // gBase64.Base64 = Object.assign({}, gBase64);\n    gBase64.Base64 = {};\n    Object.keys(gBase64).forEach(function (k) { return gBase64.Base64[k] = gBase64[k]; });\n    return gBase64;\n}));\n"]}