(function (global, factory) {
    typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory(global) : typeof define === "function" && define.amd ? define(factory) : factory(global)
}((typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : this), function (global) {
    global = global || {};
    var _Base64 = global.Base64;
    var version = "2.6.3";
    var b64chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
    var b64tab = function (bin) {
        var t = {};
        for (var i = 0, l = bin.length; i < l; i++) {
            t[bin.charAt(i)] = i
        }
        return t
    }(b64chars);
    var fromCharCode = String.fromCharCode;
    var cb_utob = function (c) {
        if (c.length < 2) {
            var cc = c.charCodeAt(0);
            return cc < 128 ? c : cc < 2048 ? (fromCharCode(192 | (cc >>> 6)) + fromCharCode(128 | (cc & 63))) : (fromCharCode(224 | ((cc >>> 12) & 15)) + fromCharCode(128 | ((cc >>> 6) & 63)) + fromCharCode(128 | (cc & 63)))
        } else {
            var cc = 65536 + (c.charCodeAt(0) - 55296) * 1024 + (c.charCodeAt(1) - 56320);
            return (fromCharCode(240 | ((cc >>> 18) & 7)) + fromCharCode(128 | ((cc >>> 12) & 63)) + fromCharCode(128 | ((cc >>> 6) & 63)) + fromCharCode(128 | (cc & 63)))
        }
    };
    var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
    var utob = function (u) {
        return u.replace(re_utob, cb_utob)
    };
    var cb_encode = function (ccc) {
        var padlen = [0, 2, 1][ccc.length % 3],
            ord = ccc.charCodeAt(0) << 16 | ((ccc.length > 1 ? ccc.charCodeAt(1) : 0) << 8) | ((ccc.length > 2 ? ccc.charCodeAt(2) : 0)),
            chars = [b64chars.charAt(ord >>> 18), b64chars.charAt((ord >>> 12) & 63), padlen >= 2 ? "=" : b64chars.charAt((ord >>> 6) & 63), padlen >= 1 ? "=" : b64chars.charAt(ord & 63)];
        return chars.join("")
    };
    var btoa = global.btoa && typeof global.btoa == "function" ? function (b) {
        return global.btoa(b)
    } : function (b) {
        if (b.match(/[^\x00-\xFF]/)) {
            throw new RangeError("The string contains invalid characters.")
        }
        return b.replace(/[\s\S]{1,3}/g, cb_encode)
    };
    var _encode = function (u) {
        return btoa(utob(String(u)))
    };
    var mkUriSafe = function (b64) {
        return b64.replace(/[+\/]/g, function (m0) {
            return m0 == "+" ? "-" : "_"
        }).replace(/=/g, "")
    };
    var encode = function (u, urisafe) {
        return urisafe ? mkUriSafe(_encode(u)) : _encode(u)
    };
    var encodeURI = function (u) {
        return encode(u, true)
    };
    var fromUint8Array;
    if (global.Uint8Array) {
        fromUint8Array = function (a, urisafe) {
            var b64 = "";
            for (var i = 0, l = a.length; i < l; i += 3) {
                var a0 = a[i],
                    a1 = a[i + 1],
                    a2 = a[i + 2];
                var ord = a0 << 16 | a1 << 8 | a2;
                b64 += b64chars.charAt(ord >>> 18) + b64chars.charAt((ord >>> 12) & 63) + (typeof a1 != "undefined" ? b64chars.charAt((ord >>> 6) & 63) : "=") + (typeof a2 != "undefined" ? b64chars.charAt(ord & 63) : "=")
            }
            return urisafe ? mkUriSafe(b64) : b64
        }
    }
    var re_btou = /[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g;
    var cb_btou = function (cccc) {
        switch (cccc.length) {
            case 4:
                var cp = ((7 & cccc.charCodeAt(0)) << 18) | ((63 & cccc.charCodeAt(1)) << 12) | ((63 & cccc.charCodeAt(2)) << 6) | (63 & cccc.charCodeAt(3)),
                    offset = cp - 65536;
                return (fromCharCode((offset >>> 10) + 55296) + fromCharCode((offset & 1023) + 56320));
            case 3:
                return fromCharCode(((15 & cccc.charCodeAt(0)) << 12) | ((63 & cccc.charCodeAt(1)) << 6) | (63 & cccc.charCodeAt(2)));
            default:
                return fromCharCode(((31 & cccc.charCodeAt(0)) << 6) | (63 & cccc.charCodeAt(1)))
        }
    };
    var btou = function (b) {
        return b.replace(re_btou, cb_btou)
    };
    var cb_decode = function (cccc) {
        var len = cccc.length,
            padlen = len % 4,
            n = (len > 0 ? b64tab[cccc.charAt(0)] << 18 : 0) | (len > 1 ? b64tab[cccc.charAt(1)] << 12 : 0) | (len > 2 ? b64tab[cccc.charAt(2)] << 6 : 0) | (len > 3 ? b64tab[cccc.charAt(3)] : 0),
            chars = [fromCharCode(n >>> 16), fromCharCode((n >>> 8) & 255), fromCharCode(n & 255)];
        chars.length -= [0, 0, 2, 1][padlen];
        return chars.join("")
    };
    var _atob = global.atob && typeof global.atob == "function" ? function (a) {
        return global.atob(a)
    } : function (a) {
        return a.replace(/\S{1,4}/g, cb_decode)
    };
    var atob = function (a) {
        return _atob(String(a).replace(/[^A-Za-z0-9\+\/]/g, ""))
    };
    var _decode = function (a) {
        return btou(_atob(a))
    };
    var _fromURI = function (a) {
        return String(a).replace(/[-_]/g, function (m0) {
            return m0 == "-" ? "+" : "/"
        }).replace(/[^A-Za-z0-9\+\/]/g, "")
    };
    var decode = function (a) {
        return _decode(_fromURI(a))
    };
    var toUint8Array;
    if (global.Uint8Array) {
        toUint8Array = function (a) {
            return Uint8Array.from(atob(_fromURI(a)), function (c) {
                return c.charCodeAt(0)
            })
        }
    }
    var noConflict = function () {
        var Base64 = global.Base64;
        global.Base64 = _Base64;
        return Base64
    };
    global.Base64 = {
        VERSION: version,
        atob: atob,
        btoa: btoa,
        fromBase64: decode,
        toBase64: encode,
        utob: utob,
        encode: encode,
        encodeURI: encodeURI,
        btou: btou,
        decode: decode,
        noConflict: noConflict,
        fromUint8Array: fromUint8Array,
        toUint8Array: toUint8Array
    };
    if (typeof Object.defineProperty === "function") {
        var noEnum = function (v) {
            return {
                value: v,
                enumerable: false,
                writable: true,
                configurable: true
            }
        };
        global.Base64.extendString = function () {
            Object.defineProperty(String.prototype, "fromBase64", noEnum(function () {
                return decode(this)
            }));
            Object.defineProperty(String.prototype, "toBase64", noEnum(function (urisafe) {
                return encode(this, urisafe)
            }));
            Object.defineProperty(String.prototype, "toBase64URI", noEnum(function () {
                return encode(this, true)
            }))
        }
    }
    if (global["Meteor"]) {
        Base64 = global.Base64
    }
    if (typeof module !== "undefined" && module.exports) {
        module.exports.Base64 = global.Base64
    } else {
        if (typeof define === "function" && define.amd) {
            define([], function () {
                return global.Base64
            })
        }
    }
    return {
        Base64: global.Base64
    }
}));