注意：在发布之后，您可能需要清除浏览器缓存才能看到所作出的变更的影响。
- Firefox或Safari：按住Shift的同时单击刷新，或按Ctrl-F5或Ctrl-R（Mac为⌘-R）
- Google Chrome：按Ctrl-Shift-R（Mac为⌘-Shift-R）
- Internet Explorer或Edge：按住Ctrl的同时单击刷新，或按Ctrl-F5
- Opera：按 Ctrl-F5。
"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 : {});
}());