MediaWiki:Gadget-libip.js

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一位史蒂夫讨论 | 贡献2024年1月2日 (二) 23:18的版本 (导入1个版本)

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/* <pre> */
/**
 * -------------------------------------------------------------------------
 * !!! DON'T MODIFY THIS PAGE MANUALLY, YOUR CHANGES WILL BE OVERWRITTEN !!!
 * -------------------------------------------------------------------------
 */
var _addText = '{{GHIACode|page=GHIA:MoegirlPediaInterfaceCodes/blob/master/src/gadgets/libip/MediaWiki:Gadget-libip.js|user=github-actions[bot]|longId=97839e4a59a378b8236debccae9fb883920bc2c7|shortId=97839e4|message=auto: post Commit CI - commit from GitHub Actions}}';

"use strict";
(function () {
    var createModuleFactory = function createModuleFactory(t) { var e; return function (r) { return e || t(e = { exports: {}, parent: r }, e.exports), e.exports; }; };
    var _$buffer_2 = createModuleFactory(function (module, exports) {
        (function (Buffer) {
            (function () {
                'use strict';
                ;
                ;
                exports.Buffer = Buffer;
                void SlowBuffer;
                exports.INSPECT_MAX_BYTES = 50;
                var K_MAX_LENGTH = 2147483647;
                void K_MAX_LENGTH;
                Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport();
                if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && typeof console.error === 'function') {
                    console.error('This browser lacks typed array (Uint8Array) support which is required by ' + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.');
                }
                function typedArraySupport() {
                    try {
                        var arr = new Uint8Array(1);
                        arr.__proto__ = {
                            __proto__: Uint8Array.prototype,
                            foo: function () {
                                return 42;
                            }
                        };
                        return arr.foo() === 42;
                    }
                    catch (e) {
                        return false;
                    }
                }
                Object.defineProperty(Buffer.prototype, 'parent', {
                    enumerable: true,
                    get: function () {
                        if (!Buffer.isBuffer(this))
                            return undefined;
                        return this.buffer;
                    }
                });
                Object.defineProperty(Buffer.prototype, 'offset', {
                    enumerable: true,
                    get: function () {
                        if (!Buffer.isBuffer(this))
                            return undefined;
                        return this.byteOffset;
                    }
                });
                function createBuffer(length) {
                    if (length > K_MAX_LENGTH) {
                        throw new RangeError('The value "' + length + '" is invalid for option "size"');
                    }
                    var buf = new Uint8Array(length);
                    buf.__proto__ = Buffer.prototype;
                    return buf;
                }
                function Buffer(arg, encodingOrOffset, length) {
                    if (typeof arg === 'number') {
                        if (typeof encodingOrOffset === 'string') {
                            throw new TypeError('The "string" argument must be of type string. Received type number');
                        }
                        return allocUnsafe(arg);
                    }
                    return from(arg, encodingOrOffset, length);
                }
                if (typeof Symbol !== 'undefined' && Symbol.species != null && Buffer[Symbol.species] === Buffer) {
                    Object.defineProperty(Buffer, Symbol.species, {
                        value: null,
                        configurable: true,
                        enumerable: false,
                        writable: false
                    });
                }
                Buffer.poolSize = 8192;
                function from(value, encodingOrOffset, length) {
                    if (typeof value === 'string') {
                        return fromString(value, encodingOrOffset);
                    }
                    if (ArrayBuffer.isView(value)) {
                        return fromArrayLike(value);
                    }
                    if (value == null) {
                        throw TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + typeof value);
                    }
                    if (isInstance(value, ArrayBuffer) || value && isInstance(value.buffer, ArrayBuffer)) {
                        return fromArrayBuffer(value, encodingOrOffset, length);
                    }
                    if (typeof value === 'number') {
                        throw new TypeError('The "value" argument must not be of type number. Received type number');
                    }
                    var valueOf = value.valueOf && value.valueOf();
                    if (valueOf != null && valueOf !== value) {
                        return Buffer.from(valueOf, encodingOrOffset, length);
                    }
                    var b = fromObject(value);
                    if (b)
                        return b;
                    if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === 'function') {
                        return Buffer.from(value[Symbol.toPrimitive]('string'), encodingOrOffset, length);
                    }
                    throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + typeof value);
                }
                Buffer.from = function (value, encodingOrOffset, length) {
                    return from(value, encodingOrOffset, length);
                };
                Buffer.prototype.__proto__ = Uint8Array.prototype;
                Buffer.__proto__ = Uint8Array;
                function assertSize(size) {
                    if (typeof size !== 'number') {
                        throw new TypeError('"size" argument must be of type number');
                    }
                    else if (size < 0) {
                        throw new RangeError('The value "' + size + '" is invalid for option "size"');
                    }
                }
                function alloc(size, fill, encoding) {
                    assertSize(size);
                    if (size <= 0) {
                        return createBuffer(size);
                    }
                    if (fill !== undefined) {
                        return typeof encoding === 'string' ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill);
                    }
                    return createBuffer(size);
                }
                Buffer.alloc = function (size, fill, encoding) {
                    return alloc(size, fill, encoding);
                };
                function allocUnsafe(size) {
                    assertSize(size);
                    return createBuffer(size < 0 ? 0 : checked(size) | 0);
                }
                Buffer.allocUnsafe = function (size) {
                    return allocUnsafe(size);
                };
                Buffer.allocUnsafeSlow = function (size) {
                    return allocUnsafe(size);
                };
                function fromString(string, encoding) {
                    if (typeof encoding !== 'string' || encoding === '') {
                        encoding = 'utf8';
                    }
                    if (!Buffer.isEncoding(encoding)) {
                        throw new TypeError('Unknown encoding: ' + encoding);
                    }
                    var length = byteLength(string, encoding) | 0;
                    var buf = createBuffer(length);
                    var actual = buf.write(string, encoding);
                    if (actual !== length) {
                        buf = buf.slice(0, actual);
                    }
                    return buf;
                }
                function fromArrayLike(array) {
                    var length = array.length < 0 ? 0 : checked(array.length) | 0;
                    var buf = createBuffer(length);
                    for (var i = 0; i < length; i += 1) {
                        buf[i] = array[i] & 255;
                    }
                    return buf;
                }
                function fromArrayBuffer(array, byteOffset, length) {
                    if (byteOffset < 0 || array.byteLength < byteOffset) {
                        throw new RangeError('"offset" is outside of buffer bounds');
                    }
                    if (array.byteLength < byteOffset + (length || 0)) {
                        throw new RangeError('"length" is outside of buffer bounds');
                    }
                    var buf;
                    if (byteOffset === undefined && length === undefined) {
                        buf = new Uint8Array(array);
                    }
                    else if (length === undefined) {
                        buf = new Uint8Array(array, byteOffset);
                    }
                    else {
                        buf = new Uint8Array(array, byteOffset, length);
                    }
                    buf.__proto__ = Buffer.prototype;
                    return buf;
                }
                function fromObject(obj) {
                    if (Buffer.isBuffer(obj)) {
                        var len = checked(obj.length) | 0;
                        var buf = createBuffer(len);
                        if (buf.length === 0) {
                            return buf;
                        }
                        obj.copy(buf, 0, 0, len);
                        return buf;
                    }
                    if (obj.length !== undefined) {
                        if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
                            return createBuffer(0);
                        }
                        return fromArrayLike(obj);
                    }
                    if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
                        return fromArrayLike(obj.data);
                    }
                }
                function checked(length) {
                    if (length >= K_MAX_LENGTH) {
                        throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes');
                    }
                    return length | 0;
                }
                function SlowBuffer(length) {
                    if (+length != length) {
                        length = 0;
                    }
                    return Buffer.alloc(+length);
                }
                Buffer.isBuffer = function isBuffer(b) {
                    return b != null && b._isBuffer === true && b !== Buffer.prototype;
                };
                Buffer.compare = function compare(a, b) {
                    if (isInstance(a, Uint8Array))
                        a = Buffer.from(a, a.offset, a.byteLength);
                    if (isInstance(b, Uint8Array))
                        b = Buffer.from(b, b.offset, b.byteLength);
                    if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
                        throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');
                    }
                    if (a === b)
                        return 0;
                    var x = a.length;
                    var y = b.length;
                    for (var i = 0, len = Math.min(x, y); i < len; ++i) {
                        if (a[i] !== b[i]) {
                            x = a[i];
                            y = b[i];
                            break;
                        }
                    }
                    if (x < y)
                        return -1;
                    if (y < x)
                        return 1;
                    return 0;
                };
                Buffer.isEncoding = function isEncoding(encoding) {
                    switch (String(encoding).toLowerCase()) {
                        case 'hex':
                        case 'utf8':
                        case 'utf-8':
                        case 'ascii':
                        case 'latin1':
                        case 'binary':
                        case 'base64':
                        case 'ucs2':
                        case 'ucs-2':
                        case 'utf16le':
                        case 'utf-16le':
                            return true;
                        default:
                            return false;
                    }
                };
                Buffer.concat = function concat(list, length) {
                    if (!Array.isArray(list)) {
                        throw new TypeError('"list" argument must be an Array of Buffers');
                    }
                    if (list.length === 0) {
                        return Buffer.alloc(0);
                    }
                    var i;
                    if (length === undefined) {
                        length = 0;
                        for (i = 0; i < list.length; ++i) {
                            length += list[i].length;
                        }
                    }
                    var buffer = Buffer.allocUnsafe(length);
                    var pos = 0;
                    for (i = 0; i < list.length; ++i) {
                        var buf = list[i];
                        if (isInstance(buf, Uint8Array)) {
                            buf = Buffer.from(buf);
                        }
                        if (!Buffer.isBuffer(buf)) {
                            throw new TypeError('"list" argument must be an Array of Buffers');
                        }
                        buf.copy(buffer, pos);
                        pos += buf.length;
                    }
                    return buffer;
                };
                function byteLength(string, encoding) {
                    if (Buffer.isBuffer(string)) {
                        return string.length;
                    }
                    if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
                        return string.byteLength;
                    }
                    if (typeof string !== 'string') {
                        throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + 'Received type ' + typeof string);
                    }
                    var len = string.length;
                    var mustMatch = arguments.length > 2 && arguments[2] === true;
                    if (!mustMatch && len === 0)
                        return 0;
                    var loweredCase = false;
                    for (;;) {
                        switch (encoding) {
                            case 'ascii':
                            case 'latin1':
                            case 'binary':
                                return len;
                            case 'utf8':
                            case 'utf-8':
                                return utf8ToBytes(string).length;
                            case 'ucs2':
                            case 'ucs-2':
                            case 'utf16le':
                            case 'utf-16le':
                                return len * 2;
                            case 'hex':
                                return len >>> 1;
                            case 'base64':
                                return base64ToBytes(string).length;
                            default:
                                if (loweredCase) {
                                    return mustMatch ? -1 : utf8ToBytes(string).length;
                                }
                                encoding = ('' + encoding).toLowerCase();
                                loweredCase = true;
                        }
                    }
                }
                Buffer.byteLength = byteLength;
                function slowToString(encoding, start, end) {
                    var loweredCase = false;
                    if (start === undefined || start < 0) {
                        start = 0;
                    }
                    if (start > this.length) {
                        return '';
                    }
                    if (end === undefined || end > this.length) {
                        end = this.length;
                    }
                    if (end <= 0) {
                        return '';
                    }
                    end >>>= 0;
                    start >>>= 0;
                    if (end <= start) {
                        return '';
                    }
                    if (!encoding)
                        encoding = 'utf8';
                    while (true) {
                        switch (encoding) {
                            case 'hex':
                                return hexSlice(this, start, end);
                            case 'utf8':
                            case 'utf-8':
                                return utf8Slice(this, start, end);
                            case 'ascii':
                                return asciiSlice(this, start, end);
                            case 'latin1':
                            case 'binary':
                                return latin1Slice(this, start, end);
                            case 'base64':
                                return base64Slice(this, start, end);
                            case 'ucs2':
                            case 'ucs-2':
                            case 'utf16le':
                            case 'utf-16le':
                                return utf16leSlice(this, start, end);
                            default:
                                if (loweredCase)
                                    throw new TypeError('Unknown encoding: ' + encoding);
                                encoding = (encoding + '').toLowerCase();
                                loweredCase = true;
                        }
                    }
                }
                Buffer.prototype._isBuffer = true;
                function swap(b, n, m) {
                    var i = b[n];
                    b[n] = b[m];
                    b[m] = i;
                }
                Buffer.prototype.swap16 = function swap16() {
                    var len = this.length;
                    if (len % 2 !== 0) {
                        throw new RangeError('Buffer size must be a multiple of 16-bits');
                    }
                    for (var i = 0; i < len; i += 2) {
                        swap(this, i, i + 1);
                    }
                    return this;
                };
                Buffer.prototype.swap32 = function swap32() {
                    var len = this.length;
                    if (len % 4 !== 0) {
                        throw new RangeError('Buffer size must be a multiple of 32-bits');
                    }
                    for (var i = 0; i < len; i += 4) {
                        swap(this, i, i + 3);
                        swap(this, i + 1, i + 2);
                    }
                    return this;
                };
                Buffer.prototype.swap64 = function swap64() {
                    var len = this.length;
                    if (len % 8 !== 0) {
                        throw new RangeError('Buffer size must be a multiple of 64-bits');
                    }
                    for (var i = 0; i < len; i += 8) {
                        swap(this, i, i + 7);
                        swap(this, i + 1, i + 6);
                        swap(this, i + 2, i + 5);
                        swap(this, i + 3, i + 4);
                    }
                    return this;
                };
                Buffer.prototype.toString = function toString() {
                    var length = this.length;
                    if (length === 0)
                        return '';
                    if (arguments.length === 0)
                        return utf8Slice(this, 0, length);
                    return slowToString.apply(this, arguments);
                };
                Buffer.prototype.toLocaleString = Buffer.prototype.toString;
                Buffer.prototype.equals = function equals(b) {
                    if (!Buffer.isBuffer(b))
                        throw new TypeError('Argument must be a Buffer');
                    if (this === b)
                        return true;
                    return Buffer.compare(this, b) === 0;
                };
                Buffer.prototype.inspect = function inspect() {
                    var str = '';
                    var max = exports.INSPECT_MAX_BYTES;
                    str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim();
                    if (this.length > max)
                        str += ' ... ';
                    return '<Buffer ' + str + '>';
                };
                Buffer.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
                    if (isInstance(target, Uint8Array)) {
                        target = Buffer.from(target, target.offset, target.byteLength);
                    }
                    if (!Buffer.isBuffer(target)) {
                        throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. ' + 'Received type ' + typeof target);
                    }
                    if (start === undefined) {
                        start = 0;
                    }
                    if (end === undefined) {
                        end = target ? target.length : 0;
                    }
                    if (thisStart === undefined) {
                        thisStart = 0;
                    }
                    if (thisEnd === undefined) {
                        thisEnd = this.length;
                    }
                    if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
                        throw new RangeError('out of range index');
                    }
                    if (thisStart >= thisEnd && start >= end) {
                        return 0;
                    }
                    if (thisStart >= thisEnd) {
                        return -1;
                    }
                    if (start >= end) {
                        return 1;
                    }
                    start >>>= 0;
                    end >>>= 0;
                    thisStart >>>= 0;
                    thisEnd >>>= 0;
                    if (this === target)
                        return 0;
                    var x = thisEnd - thisStart;
                    var y = end - start;
                    var len = Math.min(x, y);
                    var thisCopy = this.slice(thisStart, thisEnd);
                    var targetCopy = target.slice(start, end);
                    for (var i = 0; i < len; ++i) {
                        if (thisCopy[i] !== targetCopy[i]) {
                            x = thisCopy[i];
                            y = targetCopy[i];
                            break;
                        }
                    }
                    if (x < y)
                        return -1;
                    if (y < x)
                        return 1;
                    return 0;
                };
                function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
                    if (buffer.length === 0)
                        return -1;
                    if (typeof byteOffset === 'string') {
                        encoding = byteOffset;
                        byteOffset = 0;
                    }
                    else if (byteOffset > 2147483647) {
                        byteOffset = 2147483647;
                    }
                    else if (byteOffset < -2147483648) {
                        byteOffset = -2147483648;
                    }
                    byteOffset = +byteOffset;
                    if (numberIsNaN(byteOffset)) {
                        byteOffset = dir ? 0 : buffer.length - 1;
                    }
                    if (byteOffset < 0)
                        byteOffset = buffer.length + byteOffset;
                    if (byteOffset >= buffer.length) {
                        if (dir)
                            return -1;
                        else
                            byteOffset = buffer.length - 1;
                    }
                    else if (byteOffset < 0) {
                        if (dir)
                            byteOffset = 0;
                        else
                            return -1;
                    }
                    if (typeof val === 'string') {
                        val = Buffer.from(val, encoding);
                    }
                    if (Buffer.isBuffer(val)) {
                        if (val.length === 0) {
                            return -1;
                        }
                        return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
                    }
                    else if (typeof val === 'number') {
                        val = val & 255;
                        if (typeof Uint8Array.prototype.indexOf === 'function') {
                            if (dir) {
                                return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
                            }
                            else {
                                return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
                            }
                        }
                        return arrayIndexOf(buffer, [val], byteOffset, encoding, dir);
                    }
                    throw new TypeError('val must be string, number or Buffer');
                }
                function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
                    var indexSize = 1;
                    var arrLength = arr.length;
                    var valLength = val.length;
                    if (encoding !== undefined) {
                        encoding = String(encoding).toLowerCase();
                        if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
                            if (arr.length < 2 || val.length < 2) {
                                return -1;
                            }
                            indexSize = 2;
                            arrLength /= 2;
                            valLength /= 2;
                            byteOffset /= 2;
                        }
                    }
                    function read(buf, i) {
                        if (indexSize === 1) {
                            return buf[i];
                        }
                        else {
                            return buf.readUInt16BE(i * indexSize);
                        }
                    }
                    var i;
                    if (dir) {
                        var foundIndex = -1;
                        for (i = byteOffset; i < arrLength; i++) {
                            if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
                                if (foundIndex === -1)
                                    foundIndex = i;
                                if (i - foundIndex + 1 === valLength)
                                    return foundIndex * indexSize;
                            }
                            else {
                                if (foundIndex !== -1)
                                    i -= i - foundIndex;
                                foundIndex = -1;
                            }
                        }
                    }
                    else {
                        if (byteOffset + valLength > arrLength)
                            byteOffset = arrLength - valLength;
                        for (i = byteOffset; i >= 0; i--) {
                            var found = true;
                            for (var j = 0; j < valLength; j++) {
                                if (read(arr, i + j) !== read(val, j)) {
                                    found = false;
                                    break;
                                }
                            }
                            if (found)
                                return i;
                        }
                    }
                    return -1;
                }
                Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
                    return this.indexOf(val, byteOffset, encoding) !== -1;
                };
                Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
                    return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
                };
                Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
                    return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
                };
                function hexWrite(buf, string, offset, length) {
                    offset = Number(offset) || 0;
                    var remaining = buf.length - offset;
                    if (!length) {
                        length = remaining;
                    }
                    else {
                        length = Number(length);
                        if (length > remaining) {
                            length = remaining;
                        }
                    }
                    var strLen = string.length;
                    if (length > strLen / 2) {
                        length = strLen / 2;
                    }
                    for (var i = 0; i < length; ++i) {
                        var parsed = parseInt(string.substr(i * 2, 2), 16);
                        if (numberIsNaN(parsed))
                            return i;
                        buf[offset + i] = parsed;
                    }
                    return i;
                }
                function utf8Write(buf, string, offset, length) {
                    return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length);
                }
                function asciiWrite(buf, string, offset, length) {
                    return blitBuffer(asciiToBytes(string), buf, offset, length);
                }
                function latin1Write(buf, string, offset, length) {
                    return asciiWrite(buf, string, offset, length);
                }
                function base64Write(buf, string, offset, length) {
                    return blitBuffer(base64ToBytes(string), buf, offset, length);
                }
                function ucs2Write(buf, string, offset, length) {
                    return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length);
                }
                Buffer.prototype.write = function write(string, offset, length, encoding) {
                    if (offset === undefined) {
                        encoding = 'utf8';
                        length = this.length;
                        offset = 0;
                    }
                    else if (length === undefined && typeof offset === 'string') {
                        encoding = offset;
                        length = this.length;
                        offset = 0;
                    }
                    else if (isFinite(offset)) {
                        offset = offset >>> 0;
                        if (isFinite(length)) {
                            length = length >>> 0;
                            if (encoding === undefined)
                                encoding = 'utf8';
                        }
                        else {
                            encoding = length;
                            length = undefined;
                        }
                    }
                    else {
                        throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
                    }
                    var remaining = this.length - offset;
                    if (length === undefined || length > remaining)
                        length = remaining;
                    if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
                        throw new RangeError('Attempt to write outside buffer bounds');
                    }
                    if (!encoding)
                        encoding = 'utf8';
                    var loweredCase = false;
                    for (;;) {
                        switch (encoding) {
                            case 'hex':
                                return hexWrite(this, string, offset, length);
                            case 'utf8':
                            case 'utf-8':
                                return utf8Write(this, string, offset, length);
                            case 'ascii':
                                return asciiWrite(this, string, offset, length);
                            case 'latin1':
                            case 'binary':
                                return latin1Write(this, string, offset, length);
                            case 'base64':
                                return base64Write(this, string, offset, length);
                            case 'ucs2':
                            case 'ucs-2':
                            case 'utf16le':
                            case 'utf-16le':
                                return ucs2Write(this, string, offset, length);
                            default:
                                if (loweredCase)
                                    throw new TypeError('Unknown encoding: ' + encoding);
                                encoding = ('' + encoding).toLowerCase();
                                loweredCase = true;
                        }
                    }
                };
                Buffer.prototype.toJSON = function toJSON() {
                    return {
                        type: 'Buffer',
                        data: Array.prototype.slice.call(this._arr || this, 0)
                    };
                };
                function base64Slice(buf, start, end) {
                    if (start === 0 && end === buf.length) {
                        return _$base64Js_1.fromByteArray(buf);
                    }
                    else {
                        return _$base64Js_1.fromByteArray(buf.slice(start, end));
                    }
                }
                function utf8Slice(buf, start, end) {
                    end = Math.min(buf.length, end);
                    var res = [];
                    var i = start;
                    while (i < end) {
                        var firstByte = buf[i];
                        var codePoint = null;
                        var bytesPerSequence = firstByte > 239 ? 4 : firstByte > 223 ? 3 : firstByte > 191 ? 2 : 1;
                        if (i + bytesPerSequence <= end) {
                            var secondByte, thirdByte, fourthByte, tempCodePoint;
                            switch (bytesPerSequence) {
                                case 1:
                                    if (firstByte < 128) {
                                        codePoint = firstByte;
                                    }
                                    break;
                                case 2:
                                    secondByte = buf[i + 1];
                                    if ((secondByte & 192) === 128) {
                                        tempCodePoint = (firstByte & 31) << 6 | secondByte & 63;
                                        if (tempCodePoint > 127) {
                                            codePoint = tempCodePoint;
                                        }
                                    }
                                    break;
                                case 3:
                                    secondByte = buf[i + 1];
                                    thirdByte = buf[i + 2];
                                    if ((secondByte & 192) === 128 && (thirdByte & 192) === 128) {
                                        tempCodePoint = (firstByte & 15) << 12 | (secondByte & 63) << 6 | thirdByte & 63;
                                        if (tempCodePoint > 2047 && (tempCodePoint < 55296 || tempCodePoint > 57343)) {
                                            codePoint = tempCodePoint;
                                        }
                                    }
                                    break;
                                case 4:
                                    secondByte = buf[i + 1];
                                    thirdByte = buf[i + 2];
                                    fourthByte = buf[i + 3];
                                    if ((secondByte & 192) === 128 && (thirdByte & 192) === 128 && (fourthByte & 192) === 128) {
                                        tempCodePoint = (firstByte & 15) << 18 | (secondByte & 63) << 12 | (thirdByte & 63) << 6 | fourthByte & 63;
                                        if (tempCodePoint > 65535 && tempCodePoint < 1114112) {
                                            codePoint = tempCodePoint;
                                        }
                                    }
                            }
                        }
                        if (codePoint === null) {
                            codePoint = 65533;
                            bytesPerSequence = 1;
                        }
                        else if (codePoint > 65535) {
                            codePoint -= 65536;
                            res.push(codePoint >>> 10 & 1023 | 55296);
                            codePoint = 56320 | codePoint & 1023;
                        }
                        res.push(codePoint);
                        i += bytesPerSequence;
                    }
                    return decodeCodePointsArray(res);
                }
                var MAX_ARGUMENTS_LENGTH = 4096;
                function decodeCodePointsArray(codePoints) {
                    var len = codePoints.length;
                    if (len <= MAX_ARGUMENTS_LENGTH) {
                        return String.fromCharCode.apply(String, codePoints);
                    }
                    var res = '';
                    var i = 0;
                    while (i < len) {
                        res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH));
                    }
                    return res;
                }
                function asciiSlice(buf, start, end) {
                    var ret = '';
                    end = Math.min(buf.length, end);
                    for (var i = start; i < end; ++i) {
                        ret += String.fromCharCode(buf[i] & 127);
                    }
                    return ret;
                }
                function latin1Slice(buf, start, end) {
                    var ret = '';
                    end = Math.min(buf.length, end);
                    for (var i = start; i < end; ++i) {
                        ret += String.fromCharCode(buf[i]);
                    }
                    return ret;
                }
                function hexSlice(buf, start, end) {
                    var len = buf.length;
                    if (!start || start < 0)
                        start = 0;
                    if (!end || end < 0 || end > len)
                        end = len;
                    var out = '';
                    for (var i = start; i < end; ++i) {
                        out += toHex(buf[i]);
                    }
                    return out;
                }
                function utf16leSlice(buf, start, end) {
                    var bytes = buf.slice(start, end);
                    var res = '';
                    for (var i = 0; i < bytes.length; i += 2) {
                        res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
                    }
                    return res;
                }
                Buffer.prototype.slice = function slice(start, end) {
                    var len = this.length;
                    start = ~~start;
                    end = end === undefined ? len : ~~end;
                    if (start < 0) {
                        start += len;
                        if (start < 0)
                            start = 0;
                    }
                    else if (start > len) {
                        start = len;
                    }
                    if (end < 0) {
                        end += len;
                        if (end < 0)
                            end = 0;
                    }
                    else if (end > len) {
                        end = len;
                    }
                    if (end < start)
                        end = start;
                    var newBuf = this.subarray(start, end);
                    newBuf.__proto__ = Buffer.prototype;
                    return newBuf;
                };
                function checkOffset(offset, ext, length) {
                    if (offset % 1 !== 0 || offset < 0)
                        throw new RangeError('offset is not uint');
                    if (offset + ext > length)
                        throw new RangeError('Trying to access beyond buffer length');
                }
                Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
                    offset = offset >>> 0;
                    byteLength = byteLength >>> 0;
                    if (!noAssert)
                        checkOffset(offset, byteLength, this.length);
                    var val = this[offset];
                    var mul = 1;
                    var i = 0;
                    while (++i < byteLength && (mul *= 256)) {
                        val += this[offset + i] * mul;
                    }
                    return val;
                };
                Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
                    offset = offset >>> 0;
                    byteLength = byteLength >>> 0;
                    if (!noAssert) {
                        checkOffset(offset, byteLength, this.length);
                    }
                    var val = this[offset + --byteLength];
                    var mul = 1;
                    while (byteLength > 0 && (mul *= 256)) {
                        val += this[offset + --byteLength] * mul;
                    }
                    return val;
                };
                Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 1, this.length);
                    return this[offset];
                };
                Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 2, this.length);
                    return this[offset] | this[offset + 1] << 8;
                };
                Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 2, this.length);
                    return this[offset] << 8 | this[offset + 1];
                };
                Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 4, this.length);
                    return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 16777216;
                };
                Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 4, this.length);
                    return this[offset] * 16777216 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
                };
                Buffer.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
                    offset = offset >>> 0;
                    byteLength = byteLength >>> 0;
                    if (!noAssert)
                        checkOffset(offset, byteLength, this.length);
                    var val = this[offset];
                    var mul = 1;
                    var i = 0;
                    while (++i < byteLength && (mul *= 256)) {
                        val += this[offset + i] * mul;
                    }
                    mul *= 128;
                    if (val >= mul)
                        val -= Math.pow(2, 8 * byteLength);
                    return val;
                };
                Buffer.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
                    offset = offset >>> 0;
                    byteLength = byteLength >>> 0;
                    if (!noAssert)
                        checkOffset(offset, byteLength, this.length);
                    var i = byteLength;
                    var mul = 1;
                    var val = this[offset + --i];
                    while (i > 0 && (mul *= 256)) {
                        val += this[offset + --i] * mul;
                    }
                    mul *= 128;
                    if (val >= mul)
                        val -= Math.pow(2, 8 * byteLength);
                    return val;
                };
                Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 1, this.length);
                    if (!(this[offset] & 128))
                        return this[offset];
                    return (255 - this[offset] + 1) * -1;
                };
                Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 2, this.length);
                    var val = this[offset] | this[offset + 1] << 8;
                    return val & 32768 ? val | 4294901760 : val;
                };
                Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 2, this.length);
                    var val = this[offset + 1] | this[offset] << 8;
                    return val & 32768 ? val | 4294901760 : val;
                };
                Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 4, this.length);
                    return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
                };
                Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 4, this.length);
                    return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
                };
                Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 4, this.length);
                    return _$ieee754_3.read(this, offset, true, 23, 4);
                };
                Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 4, this.length);
                    return _$ieee754_3.read(this, offset, false, 23, 4);
                };
                Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 8, this.length);
                    return _$ieee754_3.read(this, offset, true, 52, 8);
                };
                Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkOffset(offset, 8, this.length);
                    return _$ieee754_3.read(this, offset, false, 52, 8);
                };
                function checkInt(buf, value, offset, ext, max, min) {
                    if (!Buffer.isBuffer(buf))
                        throw new TypeError('"buffer" argument must be a Buffer instance');
                    if (value > max || value < min)
                        throw new RangeError('"value" argument is out of bounds');
                    if (offset + ext > buf.length)
                        throw new RangeError('Index out of range');
                }
                Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    byteLength = byteLength >>> 0;
                    if (!noAssert) {
                        var maxBytes = Math.pow(2, 8 * byteLength) - 1;
                        checkInt(this, value, offset, byteLength, maxBytes, 0);
                    }
                    var mul = 1;
                    var i = 0;
                    this[offset] = value & 255;
                    while (++i < byteLength && (mul *= 256)) {
                        this[offset + i] = value / mul & 255;
                    }
                    return offset + byteLength;
                };
                Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    byteLength = byteLength >>> 0;
                    if (!noAssert) {
                        var maxBytes = Math.pow(2, 8 * byteLength) - 1;
                        checkInt(this, value, offset, byteLength, maxBytes, 0);
                    }
                    var i = byteLength - 1;
                    var mul = 1;
                    this[offset + i] = value & 255;
                    while (--i >= 0 && (mul *= 256)) {
                        this[offset + i] = value / mul & 255;
                    }
                    return offset + byteLength;
                };
                Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 1, 255, 0);
                    this[offset] = value & 255;
                    return offset + 1;
                };
                Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 2, 65535, 0);
                    this[offset] = value & 255;
                    this[offset + 1] = value >>> 8;
                    return offset + 2;
                };
                Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 2, 65535, 0);
                    this[offset] = value >>> 8;
                    this[offset + 1] = value & 255;
                    return offset + 2;
                };
                Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 4, 4294967295, 0);
                    this[offset + 3] = value >>> 24;
                    this[offset + 2] = value >>> 16;
                    this[offset + 1] = value >>> 8;
                    this[offset] = value & 255;
                    return offset + 4;
                };
                Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 4, 4294967295, 0);
                    this[offset] = value >>> 24;
                    this[offset + 1] = value >>> 16;
                    this[offset + 2] = value >>> 8;
                    this[offset + 3] = value & 255;
                    return offset + 4;
                };
                Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert) {
                        var limit = Math.pow(2, 8 * byteLength - 1);
                        checkInt(this, value, offset, byteLength, limit - 1, -limit);
                    }
                    var i = 0;
                    var mul = 1;
                    var sub = 0;
                    this[offset] = value & 255;
                    while (++i < byteLength && (mul *= 256)) {
                        if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
                            sub = 1;
                        }
                        this[offset + i] = (value / mul >> 0) - sub & 255;
                    }
                    return offset + byteLength;
                };
                Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert) {
                        var limit = Math.pow(2, 8 * byteLength - 1);
                        checkInt(this, value, offset, byteLength, limit - 1, -limit);
                    }
                    var i = byteLength - 1;
                    var mul = 1;
                    var sub = 0;
                    this[offset + i] = value & 255;
                    while (--i >= 0 && (mul *= 256)) {
                        if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
                            sub = 1;
                        }
                        this[offset + i] = (value / mul >> 0) - sub & 255;
                    }
                    return offset + byteLength;
                };
                Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 1, 127, -128);
                    if (value < 0)
                        value = 255 + value + 1;
                    this[offset] = value & 255;
                    return offset + 1;
                };
                Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 2, 32767, -32768);
                    this[offset] = value & 255;
                    this[offset + 1] = value >>> 8;
                    return offset + 2;
                };
                Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 2, 32767, -32768);
                    this[offset] = value >>> 8;
                    this[offset + 1] = value & 255;
                    return offset + 2;
                };
                Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 4, 2147483647, -2147483648);
                    this[offset] = value & 255;
                    this[offset + 1] = value >>> 8;
                    this[offset + 2] = value >>> 16;
                    this[offset + 3] = value >>> 24;
                    return offset + 4;
                };
                Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert)
                        checkInt(this, value, offset, 4, 2147483647, -2147483648);
                    if (value < 0)
                        value = 4294967295 + value + 1;
                    this[offset] = value >>> 24;
                    this[offset + 1] = value >>> 16;
                    this[offset + 2] = value >>> 8;
                    this[offset + 3] = value & 255;
                    return offset + 4;
                };
                function checkIEEE754(buf, value, offset, ext, max, min) {
                    if (offset + ext > buf.length)
                        throw new RangeError('Index out of range');
                    if (offset < 0)
                        throw new RangeError('Index out of range');
                }
                function writeFloat(buf, value, offset, littleEndian, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert) {
                        checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38);
                    }
                    _$ieee754_3.write(buf, value, offset, littleEndian, 23, 4);
                    return offset + 4;
                }
                Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
                    return writeFloat(this, value, offset, true, noAssert);
                };
                Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
                    return writeFloat(this, value, offset, false, noAssert);
                };
                function writeDouble(buf, value, offset, littleEndian, noAssert) {
                    value = +value;
                    offset = offset >>> 0;
                    if (!noAssert) {
                        checkIEEE754(buf, value, offset, 8, 1.7976931348623157e+308, -1.7976931348623157e+308);
                    }
                    _$ieee754_3.write(buf, value, offset, littleEndian, 52, 8);
                    return offset + 8;
                }
                Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
                    return writeDouble(this, value, offset, true, noAssert);
                };
                Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
                    return writeDouble(this, value, offset, false, noAssert);
                };
                Buffer.prototype.copy = function copy(target, targetStart, start, end) {
                    if (!Buffer.isBuffer(target))
                        throw new TypeError('argument should be a Buffer');
                    if (!start)
                        start = 0;
                    if (!end && end !== 0)
                        end = this.length;
                    if (targetStart >= target.length)
                        targetStart = target.length;
                    if (!targetStart)
                        targetStart = 0;
                    if (end > 0 && end < start)
                        end = start;
                    if (end === start)
                        return 0;
                    if (target.length === 0 || this.length === 0)
                        return 0;
                    if (targetStart < 0) {
                        throw new RangeError('targetStart out of bounds');
                    }
                    if (start < 0 || start >= this.length)
                        throw new RangeError('Index out of range');
                    if (end < 0)
                        throw new RangeError('sourceEnd out of bounds');
                    if (end > this.length)
                        end = this.length;
                    if (target.length - targetStart < end - start) {
                        end = target.length - targetStart + start;
                    }
                    var len = end - start;
                    if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
                        this.copyWithin(targetStart, start, end);
                    }
                    else if (this === target && start < targetStart && targetStart < end) {
                        for (var i = len - 1; i >= 0; --i) {
                            target[i + targetStart] = this[i + start];
                        }
                    }
                    else {
                        Uint8Array.prototype.set.call(target, this.subarray(start, end), targetStart);
                    }
                    return len;
                };
                Buffer.prototype.fill = function fill(val, start, end, encoding) {
                    if (typeof val === 'string') {
                        if (typeof start === 'string') {
                            encoding = start;
                            start = 0;
                            end = this.length;
                        }
                        else if (typeof end === 'string') {
                            encoding = end;
                            end = this.length;
                        }
                        if (encoding !== undefined && typeof encoding !== 'string') {
                            throw new TypeError('encoding must be a string');
                        }
                        if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
                            throw new TypeError('Unknown encoding: ' + encoding);
                        }
                        if (val.length === 1) {
                            var code = val.charCodeAt(0);
                            if (encoding === 'utf8' && code < 128 || encoding === 'latin1') {
                                val = code;
                            }
                        }
                    }
                    else if (typeof val === 'number') {
                        val = val & 255;
                    }
                    if (start < 0 || this.length < start || this.length < end) {
                        throw new RangeError('Out of range index');
                    }
                    if (end <= start) {
                        return this;
                    }
                    start = start >>> 0;
                    end = end === undefined ? this.length : end >>> 0;
                    if (!val)
                        val = 0;
                    var i;
                    if (typeof val === 'number') {
                        for (i = start; i < end; ++i) {
                            this[i] = val;
                        }
                    }
                    else {
                        var bytes = Buffer.isBuffer(val) ? val : Buffer.from(val, encoding);
                        var len = bytes.length;
                        if (len === 0) {
                            throw new TypeError('The value "' + val + '" is invalid for argument "value"');
                        }
                        for (i = 0; i < end - start; ++i) {
                            this[i + start] = bytes[i % len];
                        }
                    }
                    return this;
                };
                var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g;
                function base64clean(str) {
                    str = str.split('=')[0];
                    str = str.trim().replace(INVALID_BASE64_RE, '');
                    if (str.length < 2)
                        return '';
                    while (str.length % 4 !== 0) {
                        str = str + '=';
                    }
                    return str;
                }
                function toHex(n) {
                    if (n < 16)
                        return '0' + n.toString(16);
                    return n.toString(16);
                }
                function utf8ToBytes(string, units) {
                    units = units || Infinity;
                    var codePoint;
                    var length = string.length;
                    var leadSurrogate = null;
                    var bytes = [];
                    for (var i = 0; i < length; ++i) {
                        codePoint = string.charCodeAt(i);
                        if (codePoint > 55295 && codePoint < 57344) {
                            if (!leadSurrogate) {
                                if (codePoint > 56319) {
                                    if ((units -= 3) > -1)
                                        bytes.push(239, 191, 189);
                                    continue;
                                }
                                else if (i + 1 === length) {
                                    if ((units -= 3) > -1)
                                        bytes.push(239, 191, 189);
                                    continue;
                                }
                                leadSurrogate = codePoint;
                                continue;
                            }
                            if (codePoint < 56320) {
                                if ((units -= 3) > -1)
                                    bytes.push(239, 191, 189);
                                leadSurrogate = codePoint;
                                continue;
                            }
                            codePoint = (leadSurrogate - 55296 << 10 | codePoint - 56320) + 65536;
                        }
                        else if (leadSurrogate) {
                            if ((units -= 3) > -1)
                                bytes.push(239, 191, 189);
                        }
                        leadSurrogate = null;
                        if (codePoint < 128) {
                            if ((units -= 1) < 0)
                                break;
                            bytes.push(codePoint);
                        }
                        else if (codePoint < 2048) {
                            if ((units -= 2) < 0)
                                break;
                            bytes.push(codePoint >> 6 | 192, codePoint & 63 | 128);
                        }
                        else if (codePoint < 65536) {
                            if ((units -= 3) < 0)
                                break;
                            bytes.push(codePoint >> 12 | 224, codePoint >> 6 & 63 | 128, codePoint & 63 | 128);
                        }
                        else if (codePoint < 1114112) {
                            if ((units -= 4) < 0)
                                break;
                            bytes.push(codePoint >> 18 | 240, codePoint >> 12 & 63 | 128, codePoint >> 6 & 63 | 128, codePoint & 63 | 128);
                        }
                        else {
                            throw new Error('Invalid code point');
                        }
                    }
                    return bytes;
                }
                function asciiToBytes(str) {
                    var byteArray = [];
                    for (var i = 0; i < str.length; ++i) {
                        byteArray.push(str.charCodeAt(i) & 255);
                    }
                    return byteArray;
                }
                function utf16leToBytes(str, units) {
                    var c, hi, lo;
                    var byteArray = [];
                    for (var i = 0; i < str.length; ++i) {
                        if ((units -= 2) < 0)
                            break;
                        c = str.charCodeAt(i);
                        hi = c >> 8;
                        lo = c % 256;
                        byteArray.push(lo);
                        byteArray.push(hi);
                    }
                    return byteArray;
                }
                function base64ToBytes(str) {
                    return _$base64Js_1.toByteArray(base64clean(str));
                }
                function blitBuffer(src, dst, offset, length) {
                    for (var i = 0; i < length; ++i) {
                        if (i + offset >= dst.length || i >= src.length)
                            break;
                        dst[i + offset] = src[i];
                    }
                    return i;
                }
                function isInstance(obj, type) {
                    return obj instanceof type || obj != null && obj.constructor != null && obj.constructor.name != null && obj.constructor.name === type.name;
                }
                function numberIsNaN(obj) {
                    return obj !== obj;
                }
            }).call(this);
        }).call(this, _$buffer_2({}).Buffer);
    });
    var _$base64Js_1 = {};
    'use strict';
    void byteLength;
    _$base64Js_1.toByteArray = toByteArray;
    _$base64Js_1.fromByteArray = fromByteArray;
    var lookup = [];
    var revLookup = [];
    var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
    var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
    for (var i = 0, len = code.length; i < len; ++i) {
        lookup[i] = code[i];
        revLookup[code.charCodeAt(i)] = i;
    }
    revLookup['-'.charCodeAt(0)] = 62;
    revLookup['_'.charCodeAt(0)] = 63;
    function getLens(b64) {
        var len = b64.length;
        if (len % 4 > 0) {
            throw new Error('Invalid string. Length must be a multiple of 4');
        }
        var validLen = b64.indexOf('=');
        if (validLen === -1)
            validLen = len;
        var placeHoldersLen = validLen === len
            ? 0
            : 4 - (validLen % 4);
        return [validLen, placeHoldersLen];
    }
    function byteLength(b64) {
        var lens = getLens(b64);
        var validLen = lens[0];
        var placeHoldersLen = lens[1];
        return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen;
    }
    function _byteLength(b64, validLen, placeHoldersLen) {
        return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen;
    }
    function toByteArray(b64) {
        var tmp;
        var lens = getLens(b64);
        var validLen = lens[0];
        var placeHoldersLen = lens[1];
        var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen));
        var curByte = 0;
        var len = placeHoldersLen > 0
            ? validLen - 4
            : validLen;
        var i;
        for (i = 0; i < len; i += 4) {
            tmp =
                (revLookup[b64.charCodeAt(i)] << 18) |
                    (revLookup[b64.charCodeAt(i + 1)] << 12) |
                    (revLookup[b64.charCodeAt(i + 2)] << 6) |
                    revLookup[b64.charCodeAt(i + 3)];
            arr[curByte++] = (tmp >> 16) & 0xFF;
            arr[curByte++] = (tmp >> 8) & 0xFF;
            arr[curByte++] = tmp & 0xFF;
        }
        if (placeHoldersLen === 2) {
            tmp =
                (revLookup[b64.charCodeAt(i)] << 2) |
                    (revLookup[b64.charCodeAt(i + 1)] >> 4);
            arr[curByte++] = tmp & 0xFF;
        }
        if (placeHoldersLen === 1) {
            tmp =
                (revLookup[b64.charCodeAt(i)] << 10) |
                    (revLookup[b64.charCodeAt(i + 1)] << 4) |
                    (revLookup[b64.charCodeAt(i + 2)] >> 2);
            arr[curByte++] = (tmp >> 8) & 0xFF;
            arr[curByte++] = tmp & 0xFF;
        }
        return arr;
    }
    function tripletToBase64(num) {
        return lookup[num >> 18 & 0x3F] +
            lookup[num >> 12 & 0x3F] +
            lookup[num >> 6 & 0x3F] +
            lookup[num & 0x3F];
    }
    function encodeChunk(uint8, start, end) {
        var tmp;
        var output = [];
        for (var i = start; i < end; i += 3) {
            tmp =
                ((uint8[i] << 16) & 0xFF0000) +
                    ((uint8[i + 1] << 8) & 0xFF00) +
                    (uint8[i + 2] & 0xFF);
            output.push(tripletToBase64(tmp));
        }
        return output.join('');
    }
    function fromByteArray(uint8) {
        var tmp;
        var len = uint8.length;
        var extraBytes = len % 3;
        var parts = [];
        var maxChunkLength = 16383;
        for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
            parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)));
        }
        if (extraBytes === 1) {
            tmp = uint8[len - 1];
            parts.push(lookup[tmp >> 2] +
                lookup[(tmp << 4) & 0x3F] +
                '==');
        }
        else if (extraBytes === 2) {
            tmp = (uint8[len - 2] << 8) + uint8[len - 1];
            parts.push(lookup[tmp >> 10] +
                lookup[(tmp >> 4) & 0x3F] +
                lookup[(tmp << 2) & 0x3F] +
                '=');
        }
        return parts.join('');
    }
    var _$ieee754_3 = {};
    _$ieee754_3.read = function (buffer, offset, isLE, mLen, nBytes) {
        var e, m;
        var eLen = (nBytes * 8) - mLen - 1;
        var eMax = (1 << eLen) - 1;
        var eBias = eMax >> 1;
        var nBits = -7;
        var i = isLE ? (nBytes - 1) : 0;
        var d = isLE ? -1 : 1;
        var s = buffer[offset + i];
        i += d;
        e = s & ((1 << (-nBits)) - 1);
        s >>= (-nBits);
        nBits += eLen;
        for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) { }
        m = e & ((1 << (-nBits)) - 1);
        e >>= (-nBits);
        nBits += mLen;
        for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) { }
        if (e === 0) {
            e = 1 - eBias;
        }
        else if (e === eMax) {
            return m ? NaN : ((s ? -1 : 1) * Infinity);
        }
        else {
            m = m + Math.pow(2, mLen);
            e = e - eBias;
        }
        return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
    };
    _$ieee754_3.write = function (buffer, value, offset, isLE, mLen, nBytes) {
        var e, m, c;
        var eLen = (nBytes * 8) - mLen - 1;
        var eMax = (1 << eLen) - 1;
        var eBias = eMax >> 1;
        var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0);
        var i = isLE ? 0 : (nBytes - 1);
        var d = isLE ? 1 : -1;
        var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
        value = Math.abs(value);
        if (isNaN(value) || value === Infinity) {
            m = isNaN(value) ? 1 : 0;
            e = eMax;
        }
        else {
            e = Math.floor(Math.log(value) / Math.LN2);
            if (value * (c = Math.pow(2, -e)) < 1) {
                e--;
                c *= 2;
            }
            if (e + eBias >= 1) {
                value += rt / c;
            }
            else {
                value += rt * Math.pow(2, 1 - eBias);
            }
            if (value * c >= 2) {
                e++;
                c /= 2;
            }
            if (e + eBias >= eMax) {
                m = 0;
                e = eMax;
            }
            else if (e + eBias >= 1) {
                m = ((value * c) - 1) * Math.pow(2, mLen);
                e = e + eBias;
            }
            else {
                m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
                e = 0;
            }
        }
        for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) { }
        e = (e << mLen) | m;
        eLen += mLen;
        for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) { }
        buffer[offset + i - d] |= s * 128;
    };
    var _$browser_5 = {};
    void function () { return 'LE'; };
    void function () {
        if (typeof location !== 'undefined') {
            return location.hostname;
        }
        else
            return '';
    };
    void function () { return []; };
    void function () { return 0; };
    void function () {
        return Number.MAX_VALUE;
    };
    void function () {
        return Number.MAX_VALUE;
    };
    void function () { return []; };
    void function () { return 'Browser'; };
    void function () {
        if (typeof navigator !== 'undefined') {
            return navigator.appVersion;
        }
        return '';
    };
    _$browser_5.networkInterfaces
        = function () { return {}; };
    void function () { return 'javascript'; };
    void function () { return 'browser'; };
    void 0, function () {
        return '/tmp';
    };
    void '\n';
    void function () {
        return '/';
    };
    var _$ip_4 = {};
    var ip = _$ip_4;
    var Buffer = _$buffer_2({}).Buffer;
    ;
    ip.toBuffer = function (ip, buff, offset) {
        offset = ~~offset;
        var result;
        if (this.isV4Format(ip)) {
            result = buff || new Buffer(offset + 4);
            ip.split(/\./g).map(function (byte) {
                result[offset++] = parseInt(byte, 10) & 0xff;
            });
        }
        else if (this.isV6Format(ip)) {
            var sections = ip.split(':', 8);
            var i;
            for (i = 0; i < sections.length; i++) {
                var isv4 = this.isV4Format(sections[i]);
                var v4Buffer;
                if (isv4) {
                    v4Buffer = this.toBuffer(sections[i]);
                    sections[i] = v4Buffer.slice(0, 2).toString('hex');
                }
                if (v4Buffer && ++i < 8) {
                    sections.splice(i, 0, v4Buffer.slice(2, 4).toString('hex'));
                }
            }
            if (sections[0] === '') {
                while (sections.length < 8)
                    sections.unshift('0');
            }
            else if (sections[sections.length - 1] === '') {
                while (sections.length < 8)
                    sections.push('0');
            }
            else if (sections.length < 8) {
                for (i = 0; i < sections.length && sections[i] !== ''; i++)
                    ;
                var argv = [i, 1];
                for (i = 9 - sections.length; i > 0; i--) {
                    argv.push('0');
                }
                sections.splice.apply(sections, argv);
            }
            result = buff || new Buffer(offset + 16);
            for (i = 0; i < sections.length; i++) {
                var word = parseInt(sections[i], 16);
                result[offset++] = (word >> 8) & 0xff;
                result[offset++] = word & 0xff;
            }
        }
        if (!result) {
            throw Error("Invalid ip address: ".concat(ip));
        }
        return result;
    };
    ip.toString = function (buff, offset, length) {
        offset = ~~offset;
        length = length || (buff.length - offset);
        var result = [];
        var i;
        if (length === 4) {
            for (i = 0; i < length; i++) {
                result.push(buff[offset + i]);
            }
            result = result.join('.');
        }
        else if (length === 16) {
            for (i = 0; i < length; i += 2) {
                result.push(buff.readUInt16BE(offset + i).toString(16));
            }
            result = result.join(':');
            result = result.replace(/(^|:)0(:0)*:0(:|$)/, '$1::$3');
            result = result.replace(/:{3,4}/, '::');
        }
        return result;
    };
    var ipv4Regex = /^(\d{1,3}\.){3,3}\d{1,3}$/;
    var ipv6Regex = /^(::)?(((\d{1,3}\.){3}(\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i;
    ip.isV4Format = function (ip) {
        return ipv4Regex.test(ip);
    };
    ip.isV6Format = function (ip) {
        return ipv6Regex.test(ip);
    };
    function _normalizeFamily(family) {
        if (family === 4) {
            return 'ipv4';
        }
        if (family === 6) {
            return 'ipv6';
        }
        return family ? family.toLowerCase() : 'ipv4';
    }
    ip.fromPrefixLen = function (prefixlen, family) {
        if (prefixlen > 32) {
            family = 'ipv6';
        }
        else {
            family = _normalizeFamily(family);
        }
        var len = 4;
        if (family === 'ipv6') {
            len = 16;
        }
        var buff = new Buffer(len);
        for (var i = 0, n = buff.length; i < n; ++i) {
            var bits = 8;
            if (prefixlen < 8) {
                bits = prefixlen;
            }
            prefixlen -= bits;
            buff[i] = ~(0xff >> bits) & 0xff;
        }
        return ip.toString(buff);
    };
    ip.mask = function (addr, mask) {
        addr = ip.toBuffer(addr);
        mask = ip.toBuffer(mask);
        var result = new Buffer(Math.max(addr.length, mask.length));
        var i;
        if (addr.length === mask.length) {
            for (i = 0; i < addr.length; i++) {
                result[i] = addr[i] & mask[i];
            }
        }
        else if (mask.length === 4) {
            for (i = 0; i < mask.length; i++) {
                result[i] = addr[addr.length - 4 + i] & mask[i];
            }
        }
        else {
            for (i = 0; i < result.length - 6; i++) {
                result[i] = 0;
            }
            result[10] = 0xff;
            result[11] = 0xff;
            for (i = 0; i < addr.length; i++) {
                result[i + 12] = addr[i] & mask[i + 12];
            }
            i += 12;
        }
        for (; i < result.length; i++) {
            result[i] = 0;
        }
        return ip.toString(result);
    };
    ip.cidr = function (cidrString) {
        var cidrParts = cidrString.split('/');
        var addr = cidrParts[0];
        if (cidrParts.length !== 2) {
            throw new Error("invalid CIDR subnet: ".concat(addr));
        }
        var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
        return ip.mask(addr, mask);
    };
    ip.subnet = function (addr, mask) {
        var networkAddress = ip.toLong(ip.mask(addr, mask));
        var maskBuffer = ip.toBuffer(mask);
        var maskLength = 0;
        for (var i = 0; i < maskBuffer.length; i++) {
            if (maskBuffer[i] === 0xff) {
                maskLength += 8;
            }
            else {
                var octet = maskBuffer[i] & 0xff;
                while (octet) {
                    octet = (octet << 1) & 0xff;
                    maskLength++;
                }
            }
        }
        var numberOfAddresses = Math.pow(2, 32 - maskLength);
        return {
            networkAddress: ip.fromLong(networkAddress),
            firstAddress: numberOfAddresses <= 2
                ? ip.fromLong(networkAddress)
                : ip.fromLong(networkAddress + 1),
            lastAddress: numberOfAddresses <= 2
                ? ip.fromLong(networkAddress + numberOfAddresses - 1)
                : ip.fromLong(networkAddress + numberOfAddresses - 2),
            broadcastAddress: ip.fromLong(networkAddress + numberOfAddresses - 1),
            subnetMask: mask,
            subnetMaskLength: maskLength,
            numHosts: numberOfAddresses <= 2
                ? numberOfAddresses : numberOfAddresses - 2,
            length: numberOfAddresses,
            contains: function (other) {
                return networkAddress === ip.toLong(ip.mask(other, mask));
            }
        };
    };
    ip.cidrSubnet = function (cidrString) {
        var cidrParts = cidrString.split('/');
        var addr = cidrParts[0];
        if (cidrParts.length !== 2) {
            throw new Error("invalid CIDR subnet: ".concat(addr));
        }
        var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
        return ip.subnet(addr, mask);
    };
    ip.not = function (addr) {
        var buff = ip.toBuffer(addr);
        for (var i = 0; i < buff.length; i++) {
            buff[i] = 0xff ^ buff[i];
        }
        return ip.toString(buff);
    };
    ip.or = function (a, b) {
        var i;
        a = ip.toBuffer(a);
        b = ip.toBuffer(b);
        if (a.length === b.length) {
            for (i = 0; i < a.length; ++i) {
                a[i] |= b[i];
            }
            return ip.toString(a);
        }
        var buff = a;
        var other = b;
        if (b.length > a.length) {
            buff = b;
            other = a;
        }
        var offset = buff.length - other.length;
        for (i = offset; i < buff.length; ++i) {
            buff[i] |= other[i - offset];
        }
        return ip.toString(buff);
    };
    ip.isEqual = function (a, b) {
        var i;
        a = ip.toBuffer(a);
        b = ip.toBuffer(b);
        if (a.length === b.length) {
            for (i = 0; i < a.length; i++) {
                if (a[i] !== b[i])
                    return false;
            }
            return true;
        }
        if (b.length === 4) {
            var t = b;
            b = a;
            a = t;
        }
        for (i = 0; i < 10; i++) {
            if (b[i] !== 0)
                return false;
        }
        var word = b.readUInt16BE(10);
        if (word !== 0 && word !== 0xffff)
            return false;
        for (i = 0; i < 4; i++) {
            if (a[i] !== b[i + 12])
                return false;
        }
        return true;
    };
    ip.isPrivate = function (addr) {
        return /^(::f{4}:)?10\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i
            .test(addr)
            || /^(::f{4}:)?192\.168\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr)
            || /^(::f{4}:)?172\.(1[6-9]|2\d|30|31)\.([0-9]{1,3})\.([0-9]{1,3})$/i
                .test(addr)
            || /^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr)
            || /^(::f{4}:)?169\.254\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr)
            || /^f[cd][0-9a-f]{2}:/i.test(addr)
            || /^fe80:/i.test(addr)
            || /^::1$/.test(addr)
            || /^::$/.test(addr);
    };
    ip.isPublic = function (addr) {
        return !ip.isPrivate(addr);
    };
    ip.isLoopback = function (addr) {
        return /^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/
            .test(addr)
            || /^fe80::1$/.test(addr)
            || /^::1$/.test(addr)
            || /^::$/.test(addr);
    };
    ip.loopback = function (family) {
        family = _normalizeFamily(family);
        if (family !== 'ipv4' && family !== 'ipv6') {
            throw new Error('family must be ipv4 or ipv6');
        }
        return family === 'ipv4' ? '127.0.0.1' : 'fe80::1';
    };
    ip.address = function (name, family) {
        var interfaces = _$browser_5.networkInterfaces();
        family = _normalizeFamily(family);
        if (name && name !== 'private' && name !== 'public') {
            var res = interfaces[name].filter(function (details) {
                var itemFamily = _normalizeFamily(details.family);
                return itemFamily === family;
            });
            if (res.length === 0) {
                return undefined;
            }
            return res[0].address;
        }
        var all = Object.keys(interfaces).map(function (nic) {
            var addresses = interfaces[nic].filter(function (details) {
                details.family = _normalizeFamily(details.family);
                if (details.family !== family || ip.isLoopback(details.address)) {
                    return false;
                }
                if (!name) {
                    return true;
                }
                return name === 'public' ? ip.isPrivate(details.address)
                    : ip.isPublic(details.address);
            });
            return addresses.length ? addresses[0].address : undefined;
        }).filter(Boolean);
        return !all.length ? ip.loopback(family) : all[0];
    };
    ip.toLong = function (ip) {
        var ipl = 0;
        ip.split('.').forEach(function (octet) {
            ipl <<= 8;
            ipl += parseInt(octet);
        });
        return (ipl >>> 0);
    };
    ip.fromLong = function (ipl) {
        return ("".concat(ipl >>> 24, ".").concat(ipl >> 16 & 255, ".").concat(ipl >> 8 & 255, ".").concat(ipl & 255));
    };
    var _$input_6 = {};
    (function (global) {
        (function () {
            "use strict";
            var _ip = _interopRequireDefault(_$ip_4);
            function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
            global["libip"] = _ip["default"];
        }).call(this);
    }).call(this, typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {});
}());

/* </pre> */