/*!
    localForage -- Offline Storage, Improved
    Version 1.10.0
    https://localforage.github.io/localForage
    (c) 2013-2017 Mozilla, Apache License 2.0
*/
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                    c.ready().then(function() {
                        A(c._dbInfo, Aa, function(e, f) {
                            if (e)
                                return d(e);
                            try {
                                var g = f.objectStore(c._dbInfo.storeName)
                                  , h = !1
                                  , i = g.openKeyCursor();
                                i.onsuccess = function() {
                                    var c = i.result;
                                    if (!c)
                                        return void b(null);
                                    0 === a ? b(c.key) : h ? b(c.key) : (h = !0,
                                    c.advance(a))
                                }
                                ,
                                i.onerror = function() {
                                    d(i.error)
                                }
                            } catch (a) {
                                d(a)
                            }
                        })
                    }).catch(d)
                }
                );
                return h(d, b),
                d
            }
            function K(a) {
                var b = this
                  , c = new va(function(a, c) {
                    b.ready().then(function() {
                        A(b._dbInfo, Aa, function(d, e) {
                            if (d)
                                return c(d);
                            try {
                                var f = e.objectStore(b._dbInfo.storeName)
                                  , g = f.openKeyCursor()
                                  , h = [];
                                g.onsuccess = function() {
                                    var b = g.result;
                                    if (!b)
                                        return void a(h);
                                    h.push(b.key),
                                    b.continue()
                                }
                                ,
                                g.onerror = function() {
                                    c(g.error)
                                }
                            } catch (a) {
                                c(a)
                            }
                        })
                    }).catch(c)
                }
                );
                return h(c, a),
                c
            }
            function L(a, b) {
                b = k.apply(this, arguments);
                var c = this.config();
                a = "function" != typeof a && a || {},
                a.name || (a.name = a.name || c.name,
                a.storeName = a.storeName || c.storeName);
                var d, e = this;
                if (a.name) {
                    var f = a.name === c.name && e._dbInfo.db
                      , g = f ? va.resolve(e._dbInfo.db) : s(a).then(function(b) {
                        var c = ya[a.name]
                          , d = c.forages;
                        c.db = b;
                        for (var e = 0; e < d.length; e++)
                            d[e]._dbInfo.db = b;
                        return b
                    });
                    d = a.storeName ? g.then(function(b) {
                        if (b.objectStoreNames.contains(a.storeName)) {
                            var c = b.version + 1;
                            o(a);
                            var d = ya[a.name]
                              , e = d.forages;
                            b.close();
                            for (var f = 0; f < e.length; f++) {
                                var g = e[f];
                                g._dbInfo.db = null,
                                g._dbInfo.version = c
                            }
                            return new va(function(b, d) {
                                var e = ua.open(a.name, c);
                                e.onerror = function(a) {
                                    e.result.close(),
                                    d(a)
                                }
                                ,
                                e.onupgradeneeded = function() {
                                    e.result.deleteObjectStore(a.storeName)
                                }
                                ,
                                e.onsuccess = function() {
                                    var a = e.result;
                                    a.close(),
                                    b(a)
                                }
                            }
                            ).then(function(a) {
                                d.db = a;
                                for (var b = 0; b < e.length; b++) {
                                    var c = e[b];
                                    c._dbInfo.db = a,
                                    p(c._dbInfo)
                                }
                            }).catch(function(b) {
                                throw (q(a, b) || va.resolve()).catch(function() {}),
                                b
                            })
                        }
                    }) : g.then(function(b) {
                        o(a);
                        var c = ya[a.name]
                          , d = c.forages;
                        b.close();
                        for (var e = 0; e < d.length; e++) {
                            d[e]._dbInfo.db = null
                        }
                        return new va(function(b, c) {
                            var d = ua.deleteDatabase(a.name);
                            d.onerror = function() {
                                var a = d.result;
                                a && a.close(),
                                c(d.error)
                            }
                            ,
                            d.onblocked = function() {
                                console.warn('dropInstance blocked for database "' + a.name + '" until all open connections are closed')
                            }
                            ,
                            d.onsuccess = function() {
                                var a = d.result;
                                a && a.close(),
                                b(a)
                            }
                        }
                        ).then(function(a) {
                            c.db = a;
                            for (var b = 0; b < d.length; b++)
                                p(d[b]._dbInfo)
                        }).catch(function(b) {
                            throw (q(a, b) || va.resolve()).catch(function() {}),
                            b
                        })
                    })
                } else
                    d = va.reject("Invalid arguments");
                return h(d, b),
                d
            }
            function M() {
                return "function" == typeof openDatabase
            }
            function N(a) {
                var b, c, d, e, f, g = .75 * a.length, h = a.length, i = 0;
                "=" === a[a.length - 1] && (g--,
                "=" === a[a.length - 2] && g--);
                var j = new ArrayBuffer(g)
                  , k = new Uint8Array(j);
                for (b = 0; b < h; b += 4)
                    c = Da.indexOf(a[b]),
                    d = Da.indexOf(a[b + 1]),
                    e = Da.indexOf(a[b + 2]),
                    f = Da.indexOf(a[b + 3]),
                    k[i++] = c << 2 | d >> 4,
                    k[i++] = (15 & d) << 4 | e >> 2,
                    k[i++] = (3 & e) << 6 | 63 & f;
                return j
            }
            function O(a) {
                var b, c = new Uint8Array(a), d = "";
                for (b = 0; b < c.length; b += 3)
                    d += Da[c[b] >> 2],
                    d += Da[(3 & c[b]) << 4 | c[b + 1] >> 4],
                    d += Da[(15 & c[b + 1]) << 2 | c[b + 2] >> 6],
                    d += Da[63 & c[b + 2]];
                return c.length % 3 == 2 ? d = d.substring(0, d.length - 1) + "=" : c.length % 3 == 1 && (d = d.substring(0, d.length - 2) + "=="),
                d
            }
            function P(a, b) {
                var c = "";
                if (a && (c = Ua.call(a)),
                a && ("[object ArrayBuffer]" === c || a.buffer && "[object ArrayBuffer]" === Ua.call(a.buffer))) {
                    var d, e = Ga;
                    a instanceof ArrayBuffer ? (d = a,
                    e += Ia) : (d = a.buffer,
                    "[object Int8Array]" === c ? e += Ka : "[object Uint8Array]" === c ? e += La : "[object Uint8ClampedArray]" === c ? e += Ma : "[object Int16Array]" === c ? e += Na : "[object Uint16Array]" === c ? e += Pa : "[object Int32Array]" === c ? e += Oa : "[object Uint32Array]" === c ? e += Qa : "[object Float32Array]" === c ? e += Ra : "[object Float64Array]" === c ? e += Sa : b(new Error("Failed to get type for BinaryArray"))),
                    b(e + O(d))
                } else if ("[object Blob]" === c) {
                    var f = new FileReader;
                    f.onload = function() {
                        var c = Ea + a.type + "~" + O(this.result);
                        b(Ga + Ja + c)
                    }
                    ,
                    f.readAsArrayBuffer(a)
                } else
                    try {
                        b(JSON.stringify(a))
                    } catch (c) {
                        console.error("Couldn't convert value into a JSON string: ", a),
                        b(null, c)
                    }
            }
            function Q(a) {
                if (a.substring(0, Ha) !== Ga)
                    return JSON.parse(a);
                var b, c = a.substring(Ta), d = a.substring(Ha, Ta);
                if (d === Ja && Fa.test(c)) {
                    var e = c.match(Fa);
                    b = e[1],
                    c = c.substring(e[0].length)
                }
                var f = N(c);
                switch (d) {
                case Ia:
                    return f;
                case Ja:
                    return g([f], {
                        type: b
                    });
                case Ka:
                    return new Int8Array(f);
                case La:
                    return new Uint8Array(f);
                case Ma:
                    return new Uint8ClampedArray(f);
                case Na:
                    return new Int16Array(f);
                case Pa:
                    return new Uint16Array(f);
                case Oa:
                    return new Int32Array(f);
                case Qa:
                    return new Uint32Array(f);
                case Ra:
                    return new Float32Array(f);
                case Sa:
                    return new Float64Array(f);
                default:
                    throw new Error("Unkown type: " + d)
                }
            }
            function R(a, b, c, d) {
                a.executeSql("CREATE TABLE IF NOT EXISTS " + b.storeName + " (id INTEGER PRIMARY KEY, key unique, value)", [], c, d)
            }
            function S(a) {
                var b = this
                  , c = {
                    db: null
                };
                if (a)
                    for (var d in a)
                        c[d] = "string" != typeof a[d] ? a[d].toString() : a[d];
                var e = new va(function(a, d) {
                    try {
                        c.db = openDatabase(c.name, String(c.version), c.description, c.size)
                    } catch (a) {
                        return d(a)
                    }
                    c.db.transaction(function(e) {
                        R(e, c, function() {
                            b._dbInfo = c,
                            a()
                        }, function(a, b) {
                            d(b)
                        })
                    }, d)
                }
                );
                return c.serializer = Va,
                e
            }
            function T(a, b, c, d, e, f) {
                a.executeSql(c, d, e, function(a, g) {
                    g.code === g.SYNTAX_ERR ? a.executeSql("SELECT name FROM sqlite_master WHERE type='table' AND name = ?", [b.storeName], function(a, h) {
                        h.rows.length ? f(a, g) : R(a, b, function() {
                            a.executeSql(c, d, e, f)
                        }, f)
                    }, f) : f(a, g)
                }, f)
            }
            function U(a, b) {
                var c = this;
                a = j(a);
                var d = new va(function(b, d) {
                    c.ready().then(function() {
                        var e = c._dbInfo;
                        e.db.transaction(function(c) {
                            T(c, e, "SELECT * FROM " + e.storeName + " WHERE key = ? LIMIT 1", [a], function(a, c) {
                                var d = c.rows.length ? c.rows.item(0).value : null;
                                d && (d = e.serializer.deserialize(d)),
                                b(d)
                            }, function(a, b) {
                                d(b)
                            })
                        })
                    }).catch(d)
                }
                );
                return h(d, b),
                d
            }
            function V(a, b) {
                var c = this
                  , d = new va(function(b, d) {
                    c.ready().then(function() {
                        var e = c._dbInfo;
                        e.db.transaction(function(c) {
                            T(c, e, "SELECT * FROM " + e.storeName, [], function(c, d) {
                                for (var f = d.rows, g = f.length, h = 0; h < g; h++) {
                                    var i = f.item(h)
                                      , j = i.value;
                                    if (j && (j = e.serializer.deserialize(j)),
                                    void 0 !== (j = a(j, i.key, h + 1)))
                                        return void b(j)
                                }
                                b()
                            }, function(a, b) {
                                d(b)
                            })
                        })
                    }).catch(d)
                }
                );
                return h(d, b),
                d
            }
            function W(a, b, c, d) {
                var e = this;
                a = j(a);
                var f = new va(function(f, g) {
                    e.ready().then(function() {
                        void 0 === b && (b = null);
                        var h = b
                          , i = e._dbInfo;
                        i.serializer.serialize(b, function(b, j) {
                            j ? g(j) : i.db.transaction(function(c) {
                                T(c, i, "INSERT OR REPLACE INTO " + i.storeName + " (key, value) VALUES (?, ?)", [a, b], function() {
                                    f(h)
                                }, function(a, b) {
                                    g(b)
                                })
                            }, function(b) {
                                if (b.code === b.QUOTA_ERR) {
                                    if (d > 0)
                                        return void f(W.apply(e, [a, h, c, d - 1]));
                                    g(b)
                                }
                            })
                        })
                    }).catch(g)
                }
                );
                return h(f, c),
                f
            }
            function X(a, b, c) {
                return W.apply(this, [a, b, c, 1])
            }
            function Y(a, b) {
                var c = this;
                a = j(a);
                var d = new va(function(b, d) {
                    c.ready().then(function() {
                        var e = c._dbInfo;
                        e.db.transaction(function(c) {
                            T(c, e, "DELETE FROM " + e.storeName + " WHERE key = ?", [a], function() {
                                b()
                            }, function(a, b) {
                                d(b)
                            })
                        })
                    }).catch(d)
                }
                );
                return h(d, b),
                d
            }
            function Z(a) {
                var b = this
                  , c = new va(function(a, c) {
                    b.ready().then(function() {
                        var d = b._dbInfo;
                        d.db.transaction(function(b) {
                            T(b, d, "DELETE FROM " + d.storeName, [], function() {
                                a()
                            }, function(a, b) {
                                c(b)
                            })
                        })
                    }).catch(c)
                }
                );
                return h(c, a),
                c
            }
            function $(a) {
                var b = this
                  , c = new va(function(a, c) {
                    b.ready().then(function() {
                        var d = b._dbInfo;
                        d.db.transaction(function(b) {
                            T(b, d, "SELECT COUNT(key) as c FROM " + d.storeName, [], function(b, c) {
                                var d = c.rows.item(0).c;
                                a(d)
                            }, function(a, b) {
                                c(b)
                            })
                        })
                    }).catch(c)
                }
                );
                return h(c, a),
                c
            }
            function _(a, b) {
                var c = this
                  , d = new va(function(b, d) {
                    c.ready().then(function() {
                        var e = c._dbInfo;
                        e.db.transaction(function(c) {
                            T(c, e, "SELECT key FROM " + e.storeName + " WHERE id = ? LIMIT 1", [a + 1], function(a, c) {
                                var d = c.rows.length ? c.rows.item(0).key : null;
                                b(d)
                            }, function(a, b) {
                                d(b)
                            })
                        })
                    }).catch(d)
                }
                );
                return h(d, b),
                d
            }
            function aa(a) {
                var b = this
                  , c = new va(function(a, c) {
                    b.ready().then(function() {
                        var d = b._dbInfo;
                        d.db.transaction(function(b) {
                            T(b, d, "SELECT key FROM " + d.storeName, [], function(b, c) {
                                for (var d = [], e = 0; e < c.rows.length; e++)
                                    d.push(c.rows.item(e).key);
                                a(d)
                            }, function(a, b) {
                                c(b)
                            })
                        })
                    }).catch(c)
                }
                );
                return h(c, a),
                c
            }
            function ba(a) {
                return new va(function(b, c) {
                    a.transaction(function(d) {
                        d.executeSql("SELECT name FROM sqlite_master WHERE type='table' AND name <> '__WebKitDatabaseInfoTable__'", [], function(c, d) {
                            for (var e = [], f = 0; f < d.rows.length; f++)
                                e.push(d.rows.item(f).name);
                            b({
                                db: a,
                                storeNames: e
                            })
                        }, function(a, b) {
                            c(b)
                        })
                    }, function(a) {
                        c(a)
                    })
                }
                )
            }
            function ca(a, b) {
                b = k.apply(this, arguments);
                var c = this.config();
                a = "function" != typeof a && a || {},
                a.name || (a.name = a.name || c.name,
                a.storeName = a.storeName || c.storeName);
                var d, e = this;
                return d = a.name ? new va(function(b) {
                    var d;
                    d = a.name === c.name ? e._dbInfo.db : openDatabase(a.name, "", "", 0),
                    b(a.storeName ? {
                        db: d,
                        storeNames: [a.storeName]
                    } : ba(d))
                }
                ).then(function(a) {
                    return new va(function(b, c) {
                        a.db.transaction(function(d) {
                            function e(a) {
                                return new va(function(b, c) {
                                    d.executeSql("DROP TABLE IF EXISTS " + a, [], function() {
                                        b()
                                    }, function(a, b) {
                                        c(b)
                                    })
                                }
                                )
                            }
                            for (var f = [], g = 0, h = a.storeNames.length; g < h; g++)
                                f.push(e(a.storeNames[g]));
                            va.all(f).then(function() {
                                b()
                            }).catch(function(a) {
                                c(a)
                            })
                        }, function(a) {
                            c(a)
                        })
                    }
                    )
                }) : va.reject("Invalid arguments"),
                h(d, b),
                d
            }
            function da() {
                try {
                    return "undefined" != typeof localStorage && "setItem"in localStorage && !!localStorage.setItem
                } catch (a) {
                    return !1
                }
            }
            function ea(a, b) {
                var c = a.name + "/";
                return a.storeName !== b.storeName && (c += a.storeName + "/"),
                c
            }
            function fa() {
                var a = "_localforage_support_test";
                try {
                    return localStorage.setItem(a, !0),
                    localStorage.removeItem(a),
                    !1
                } catch (a) {
                    return !0
                }
            }
            function ga() {
                return !fa() || localStorage.length > 0
            }
            function ha(a) {
                var b = this
                  , c = {};
                if (a)
                    for (var d in a)
                        c[d] = a[d];
                return c.keyPrefix = ea(a, b._defaultConfig),
                ga() ? (b._dbInfo = c,
                c.serializer = Va,
                va.resolve()) : va.reject()
            }
            function ia(a) {
                var b = this
                  , c = b.ready().then(function() {
                    for (var a = b._dbInfo.keyPrefix, c = localStorage.length - 1; c >= 0; c--) {
                        var d = localStorage.key(c);
                        0 === d.indexOf(a) && localStorage.removeItem(d)
                    }
                });
                return h(c, a),
                c
            }
            function ja(a, b) {
                var c = this;
                a = j(a);
                var d = c.ready().then(function() {
                    var b = c._dbInfo
                      , d = localStorage.getItem(b.keyPrefix + a);
                    return d && (d = b.serializer.deserialize(d)),
                    d
                });
                return h(d, b),
                d
            }
            function ka(a, b) {
                var c = this
                  , d = c.ready().then(function() {
                    for (var b = c._dbInfo, d = b.keyPrefix, e = d.length, f = localStorage.length, g = 1, h = 0; h < f; h++) {
                        var i = localStorage.key(h);
                        if (0 === i.indexOf(d)) {
                            var j = localStorage.getItem(i);
                            if (j && (j = b.serializer.deserialize(j)),
                            void 0 !== (j = a(j, i.substring(e), g++)))
                                return j
                        }
                    }
                });
                return h(d, b),
                d
            }
            function la(a, b) {
                var c = this
                  , d = c.ready().then(function() {
                    var b, d = c._dbInfo;
                    try {
                        b = localStorage.key(a)
                    } catch (a) {
                        b = null
                    }
                    return b && (b = b.substring(d.keyPrefix.length)),
                    b
                });
                return h(d, b),
                d
            }
            function ma(a) {
                var b = this
                  , c = b.ready().then(function() {
                    for (var a = b._dbInfo, c = localStorage.length, d = [], e = 0; e < c; e++) {
                        var f = localStorage.key(e);
                        0 === f.indexOf(a.keyPrefix) && d.push(f.substring(a.keyPrefix.length))
                    }
                    return d
                });
                return h(c, a),
                c
            }
            function na(a) {
                var b = this
                  , c = b.keys().then(function(a) {
                    return a.length
                });
                return h(c, a),
                c
            }
            function oa(a, b) {
                var c = this;
                a = j(a);
                var d = c.ready().then(function() {
                    var b = c._dbInfo;
                    localStorage.removeItem(b.keyPrefix + a)
                });
                return h(d, b),
                d
            }
            function pa(a, b, c) {
                var d = this;
                a = j(a);
                var e = d.ready().then(function() {
                    void 0 === b && (b = null);
                    var c = b;
                    return new va(function(e, f) {
                        var g = d._dbInfo;
                        g.serializer.serialize(b, function(b, d) {
                            if (d)
                                f(d);
                            else
                                try {
                                    localStorage.setItem(g.keyPrefix + a, b),
                                    e(c)
                                } catch (a) {
                                    "QuotaExceededError" !== a.name && "NS_ERROR_DOM_QUOTA_REACHED" !== a.name || f(a),
                                    f(a)
                                }
                        })
                    }
                    )
                });
                return h(e, c),
                e
            }
            function qa(a, b) {
                if (b = k.apply(this, arguments),
                a = "function" != typeof a && a || {},
                !a.name) {
                    var c = this.config();
                    a.name = a.name || c.name,
                    a.storeName = a.storeName || c.storeName
                }
                var d, e = this;
                return d = a.name ? new va(function(b) {
                    b(a.storeName ? ea(a, e._defaultConfig) : a.name + "/")
                }
                ).then(function(a) {
                    for (var b = localStorage.length - 1; b >= 0; b--) {
                        var c = localStorage.key(b);
                        0 === c.indexOf(a) && localStorage.removeItem(c)
                    }
                }) : va.reject("Invalid arguments"),
                h(d, b),
                d
            }
            function ra(a, b) {
                a[b] = function() {
                    var c = arguments;
                    return a.ready().then(function() {
                        return a[b].apply(a, c)
                    })
                }
            }
            function sa() {
                for (var a = 1; a < arguments.length; a++) {
                    var b = arguments[a];
                    if (b)
                        for (var c in b)
                            b.hasOwnProperty(c) && ($a(b[c]) ? arguments[0][c] = b[c].slice() : arguments[0][c] = b[c])
                }
                return arguments[0]
            }
            var ta = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function(a) {
                return typeof a
            }
            : function(a) {
                return a && "function" == typeof Symbol && a.constructor === Symbol && a !== Symbol.prototype ? "symbol" : typeof a
            }
              , ua = e();
            "undefined" == typeof Promise && a(3);
            var va = Promise
              , wa = "local-forage-detect-blob-support"
              , xa = void 0
              , ya = {}
              , za = Object.prototype.toString
              , Aa = "readonly"
              , Ba = "readwrite"
              , Ca = {
                _driver: "asyncStorage",
                _initStorage: C,
                _support: f(),
                iterate: E,
                getItem: D,
                setItem: F,
                removeItem: G,
                clear: H,
                length: I,
                key: J,
                keys: K,
                dropInstance: L
            }
              , Da = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
              , Ea = "~~local_forage_type~"
              , Fa = /^~~local_forage_type~([^~]+)~/
              , Ga = "__lfsc__:"
              , Ha = Ga.length
              , Ia = "arbf"
              , Ja = "blob"
              , Ka = "si08"
              , La = "ui08"
              , Ma = "uic8"
              , Na = "si16"
              , Oa = "si32"
              , Pa = "ur16"
              , Qa = "ui32"
              , Ra = "fl32"
              , Sa = "fl64"
              , Ta = Ha + Ia.length
              , Ua = Object.prototype.toString
              , Va = {
                serialize: P,
                deserialize: Q,
                stringToBuffer: N,
                bufferToString: O
            }
              , Wa = {
                _driver: "webSQLStorage",
                _initStorage: S,
                _support: M(),
                iterate: V,
                getItem: U,
                setItem: X,
                removeItem: Y,
                clear: Z,
                length: $,
                key: _,
                keys: aa,
                dropInstance: ca
            }
              , Xa = {
                _driver: "localStorageWrapper",
                _initStorage: ha,
                _support: da(),
                iterate: ka,
                getItem: ja,
                setItem: pa,
                removeItem: oa,
                clear: ia,
                length: na,
                key: la,
                keys: ma,
                dropInstance: qa
            }
              , Ya = function(a, b) {
                return a === b || "number" == typeof a && "number" == typeof b && isNaN(a) && isNaN(b)
            }
              , Za = function(a, b) {
                for (var c = a.length, d = 0; d < c; ) {
                    if (Ya(a[d], b))
                        return !0;
                    d++
                }
                return !1
            }
              , $a = Array.isArray || function(a) {
                return "[object Array]" === Object.prototype.toString.call(a)
            }
              , _a = {}
              , ab = {}
              , bb = {
                INDEXEDDB: Ca,
                WEBSQL: Wa,
                LOCALSTORAGE: Xa
            }
              , cb = [bb.INDEXEDDB._driver, bb.WEBSQL._driver, bb.LOCALSTORAGE._driver]
              , db = ["dropInstance"]
              , eb = ["clear", "getItem", "iterate", "key", "keys", "length", "removeItem", "setItem"].concat(db)
              , fb = {
                description: "",
                driver: cb.slice(),
                name: "localforage",
                size: 4980736,
                storeName: "keyvaluepairs",
                version: 1
            }
              , gb = function() {
                function a(b) {
                    d(this, a);
                    for (var c in bb)
                        if (bb.hasOwnProperty(c)) {
                            var e = bb[c]
                              , f = e._driver;
                            this[c] = f,
                            _a[f] || this.defineDriver(e)
                        }
                    this._defaultConfig = sa({}, fb),
                    this._config = sa({}, this._defaultConfig, b),
                    this._driverSet = null,
                    this._initDriver = null,
                    this._ready = !1,
                    this._dbInfo = null,
                    this._wrapLibraryMethodsWithReady(),
                    this.setDriver(this._config.driver).catch(function() {})
                }
                return a.prototype.config = function(a) {
                    if ("object" === (void 0 === a ? "undefined" : ta(a))) {
                        if (this._ready)
                            return new Error("Can't call config() after localforage has been used.");
                        for (var b in a) {
                            if ("storeName" === b && (a[b] = a[b].replace(/\W/g, "_")),
                            "version" === b && "number" != typeof a[b])
                                return new Error("Database version must be a number.");
                            this._config[b] = a[b]
                        }
                        return !("driver"in a && a.driver) || this.setDriver(this._config.driver)
                    }
                    return "string" == typeof a ? this._config[a] : this._config
                }
                ,
                a.prototype.defineDriver = function(a, b, c) {
                    var d = new va(function(b, c) {
                        try {
                            var d = a._driver
                              , e = new Error("Custom driver not compliant; see https://mozilla.github.io/localForage/#definedriver");
                            if (!a._driver)
                                return void c(e);
                            for (var f = eb.concat("_initStorage"), g = 0, i = f.length; g < i; g++) {
                                var j = f[g];
                                if ((!Za(db, j) || a[j]) && "function" != typeof a[j])
                                    return void c(e)
                            }
                            (function() {
                                for (var b = function(a) {
                                    return function() {
                                        var b = new Error("Method " + a + " is not implemented by the current driver")
                                          , c = va.reject(b);
                                        return h(c, arguments[arguments.length - 1]),
                                        c
                                    }
                                }, c = 0, d = db.length; c < d; c++) {
                                    var e = db[c];
                                    a[e] || (a[e] = b(e))
                                }
                            }
                            )();
                            var k = function(c) {
                                _a[d] && console.info("Redefining LocalForage driver: " + d),
                                _a[d] = a,
                                ab[d] = c,
                                b()
                            };
                            "_support"in a ? a._support && "function" == typeof a._support ? a._support().then(k, c) : k(!!a._support) : k(!0)
                        } catch (a) {
                            c(a)
                        }
                    }
                    );
                    return i(d, b, c),
                    d
                }
                ,
                a.prototype.driver = function() {
                    return this._driver || null
                }
                ,
                a.prototype.getDriver = function(a, b, c) {
                    var d = _a[a] ? va.resolve(_a[a]) : va.reject(new Error("Driver not found."));
                    return i(d, b, c),
                    d
                }
                ,
                a.prototype.getSerializer = function(a) {
                    var b = va.resolve(Va);
                    return i(b, a),
                    b
                }
                ,
                a.prototype.ready = function(a) {
                    var b = this
                      , c = b._driverSet.then(function() {
                        return null === b._ready && (b._ready = b._initDriver()),
                        b._ready
                    });
                    return i(c, a, a),
                    c
                }
                ,
                a.prototype.setDriver = function(a, b, c) {
                    function d() {
                        g._config.driver = g.driver()
                    }
                    function e(a) {
                        return g._extend(a),
                        d(),
                        g._ready = g._initStorage(g._config),
                        g._ready
                    }
                    function f(a) {
                        return function() {
                            function b() {
                                for (; c < a.length; ) {
                                    var f = a[c];
                                    return c++,
                                    g._dbInfo = null,
                                    g._ready = null,
                                    g.getDriver(f).then(e).catch(b)
                                }
                                d();
                                var h = new Error("No available storage method found.");
                                return g._driverSet = va.reject(h),
                                g._driverSet
                            }
                            var c = 0;
                            return b()
                        }
                    }
                    var g = this;
                    $a(a) || (a = [a]);
                    var h = this._getSupportedDrivers(a)
                      , j = null !== this._driverSet ? this._driverSet.catch(function() {
                        return va.resolve()
                    }) : va.resolve();
                    return this._driverSet = j.then(function() {
                        var a = h[0];
                        return g._dbInfo = null,
                        g._ready = null,
                        g.getDriver(a).then(function(a) {
                            g._driver = a._driver,
                            d(),
                            g._wrapLibraryMethodsWithReady(),
                            g._initDriver = f(h)
                        })
                    }).catch(function() {
                        d();
                        var a = new Error("No available storage method found.");
                        return g._driverSet = va.reject(a),
                        g._driverSet
                    }),
                    i(this._driverSet, b, c),
                    this._driverSet
                }
                ,
                a.prototype.supports = function(a) {
                    return !!ab[a]
                }
                ,
                a.prototype._extend = function(a) {
                    sa(this, a)
                }
                ,
                a.prototype._getSupportedDrivers = function(a) {
                    for (var b = [], c = 0, d = a.length; c < d; c++) {
                        var e = a[c];
                        this.supports(e) && b.push(e)
                    }
                    return b
                }
                ,
                a.prototype._wrapLibraryMethodsWithReady = function() {
                    for (var a = 0, b = eb.length; a < b; a++)
                        ra(this, eb[a])
                }
                ,
                a.prototype.createInstance = function(b) {
                    return new a(b)
                }
                ,
                a
            }()
              , hb = new gb;
            b.exports = hb
        }
        , {
            3: 3
        }]
    }, {}, [4])(4)
});