\n }\n return createBuffer(that, size)\n}\n\n/**\n * Creates a new filled Buffer instance.\n * alloc(size[, fill[, encoding]])\n **/\nBuffer.alloc = function (size, fill, encoding) {\n return alloc(null, size, fill, encoding)\n}\n\nfunction allocUnsafe (that, size) {\n assertSize(size)\n that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)\n if (!Buffer.TYPED_ARRAY_SUPPORT) {\n for (var i = 0; i < size; ++i) {\n that[i] = 0\n }\n }\n return that\n}\n\n/**\n * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.\n * */\nBuffer.allocUnsafe = function (size) {\n return allocUnsafe(null, size)\n}\n/**\n * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.\n */\nBuffer.allocUnsafeSlow = function (size) {\n return allocUnsafe(null, size)\n}\n\nfunction fromString (that, string, encoding) {\n if (typeof encoding !== 'string' || encoding === '') {\n encoding = 'utf8'\n }\n\n if (!Buffer.isEncoding(encoding)) {\n throw new TypeError('\"encoding\" must be a valid string encoding')\n }\n\n var length = byteLength(string, encoding) | 0\n that = createBuffer(that, length)\n\n var actual = that.write(string, encoding)\n\n if (actual !== length) {\n // Writing a hex string, for example, that contains invalid characters will\n // cause everything after the first invalid character to be ignored. (e.g.\n // 'abxxcd' will be treated as 'ab')\n that = that.slice(0, actual)\n }\n\n return that\n}\n\nfunction fromArrayLike (that, array) {\n var length = array.length < 0 ? 0 : checked(array.length) | 0\n that = createBuffer(that, length)\n for (var i = 0; i < length; i += 1) {\n that[i] = array[i] & 255\n }\n return that\n}\n\nfunction fromArrayBuffer (that, array, byteOffset, length) {\n array.byteLength // this throws if `array` is not a valid ArrayBuffer\n\n if (byteOffset < 0 || array.byteLength < byteOffset) {\n throw new RangeError('\\'offset\\' is out of bounds')\n }\n\n if (array.byteLength < byteOffset + (length || 0)) {\n throw new RangeError('\\'length\\' is out of bounds')\n }\n\n if (byteOffset === undefined && length === undefined) {\n array = new Uint8Array(array)\n } else if (length === undefined) {\n array = new Uint8Array(array, byteOffset)\n } else {\n array = new Uint8Array(array, byteOffset, length)\n }\n\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n // Return an augmented `Uint8Array` instance, for best performance\n that = array\n that.__proto__ = Buffer.prototype\n } else {\n // Fallback: Return an object instance of the Buffer class\n that = fromArrayLike(that, array)\n }\n return that\n}\n\nfunction fromObject (that, obj) {\n if (Buffer.isBuffer(obj)) {\n var len = checked(obj.length) | 0\n that = createBuffer(that, len)\n\n if (that.length === 0) {\n return that\n }\n\n obj.copy(that, 0, 0, len)\n return that\n }\n\n if (obj) {\n if ((typeof ArrayBuffer !== 'undefined' &&\n obj.buffer instanceof ArrayBuffer) || 'length' in obj) {\n if (typeof obj.length !== 'number' || isnan(obj.length)) {\n return createBuffer(that, 0)\n }\n return fromArrayLike(that, obj)\n }\n\n if (obj.type === 'Buffer' && isArray(obj.data)) {\n return fromArrayLike(that, obj.data)\n }\n }\n\n throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')\n}\n\nfunction checked (length) {\n // Note: cannot use `length < kMaxLength()` here because that fails when\n // length is NaN (which is otherwise coerced to zero.)\n if (length >= kMaxLength()) {\n throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n 'size: 0x' + kMaxLength().toString(16) + ' bytes')\n }\n return length | 0\n}\n\nfunction SlowBuffer (length) {\n if (+length != length) { // eslint-disable-line eqeqeq\n length = 0\n }\n return Buffer.alloc(+length)\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n return !!(b != null && b._isBuffer)\n}\n\nBuffer.compare = function compare (a, b) {\n if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n throw new TypeError('Arguments must be Buffers')\n }\n\n if (a === b) return 0\n\n var x = a.length\n var y = b.length\n\n for (var i = 0, len = Math.min(x, y); i < len; ++i) {\n if (a[i] !== b[i]) {\n x = a[i]\n y = b[i]\n break\n }\n }\n\n if (x < y) return -1\n if (y < x) return 1\n return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n switch (String(encoding).toLowerCase()) {\n case 'hex':\n case 'utf8':\n case 'utf-8':\n case 'ascii':\n case 'latin1':\n case 'binary':\n case 'base64':\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return true\n default:\n return false\n }\n}\n\nBuffer.concat = function concat (list, length) {\n if (!isArray(list)) {\n throw new TypeError('\"list\" argument must be an Array of Buffers')\n }\n\n if (list.length === 0) {\n return Buffer.alloc(0)\n }\n\n var i\n if (length === undefined) {\n length = 0\n for (i = 0; i < list.length; ++i) {\n length += list[i].length\n }\n }\n\n var buffer = Buffer.allocUnsafe(length)\n var pos = 0\n for (i = 0; i < list.length; ++i) {\n var buf = list[i]\n if (!Buffer.isBuffer(buf)) {\n throw new TypeError('\"list\" argument must be an Array of Buffers')\n }\n buf.copy(buffer, pos)\n pos += buf.length\n }\n return buffer\n}\n\nfunction byteLength (string, encoding) {\n if (Buffer.isBuffer(string)) {\n return string.length\n }\n if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&\n (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {\n return string.byteLength\n }\n if (typeof string !== 'string') {\n string = '' + string\n }\n\n var len = string.length\n if (len === 0) return 0\n\n // Use a for loop to avoid recursion\n var loweredCase = false\n for (;;) {\n switch (encoding) {\n case 'ascii':\n case 'latin1':\n case 'binary':\n return len\n case 'utf8':\n case 'utf-8':\n case undefined:\n return utf8ToBytes(string).length\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return len * 2\n case 'hex':\n return len >>> 1\n case 'base64':\n return base64ToBytes(string).length\n default:\n if (loweredCase) return utf8ToBytes(string).length // assume utf8\n encoding = ('' + encoding).toLowerCase()\n loweredCase = true\n }\n }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n var loweredCase = false\n\n // No need to verify that \"this.length <= MAX_UINT32\" since it's a read-only\n // property of a typed array.\n\n // This behaves neither like String nor Uint8Array in that we set start/end\n // to their upper/lower bounds if the value passed is out of range.\n // undefined is handled specially as per ECMA-262 6th Edition,\n // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.\n if (start === undefined || start < 0) {\n start = 0\n }\n // Return early if start > this.length. Done here to prevent potential uint32\n // coercion fail below.\n if (start > this.length) {\n return ''\n }\n\n if (end === undefined || end > this.length) {\n end = this.length\n }\n\n if (end <= 0) {\n return ''\n }\n\n // Force coersion to uint32. This will also coerce falsey/NaN values to 0.\n end >>>= 0\n start >>>= 0\n\n if (end <= start) {\n return ''\n }\n\n if (!encoding) encoding = 'utf8'\n\n while (true) {\n switch (encoding) {\n case 'hex':\n return hexSlice(this, start, end)\n\n case 'utf8':\n case 'utf-8':\n return utf8Slice(this, start, end)\n\n case 'ascii':\n return asciiSlice(this, start, end)\n\n case 'latin1':\n case 'binary':\n return latin1Slice(this, start, end)\n\n case 'base64':\n return base64Slice(this, start, end)\n\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return utf16leSlice(this, start, end)\n\n default:\n if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n encoding = (encoding + '').toLowerCase()\n loweredCase = true\n }\n }\n}\n\n// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect\n// Buffer instances.\nBuffer.prototype._isBuffer = true\n\nfunction swap (b, n, m) {\n var i = b[n]\n b[n] = b[m]\n b[m] = i\n}\n\nBuffer.prototype.swap16 = function swap16 () {\n var len = this.length\n if (len % 2 !== 0) {\n throw new RangeError('Buffer size must be a multiple of 16-bits')\n }\n for (var i = 0; i < len; i += 2) {\n swap(this, i, i + 1)\n }\n return this\n}\n\nBuffer.prototype.swap32 = function swap32 () {\n var len = this.length\n if (len % 4 !== 0) {\n throw new RangeError('Buffer size must be a multiple of 32-bits')\n }\n for (var i = 0; i < len; i += 4) {\n swap(this, i, i + 3)\n swap(this, i + 1, i + 2)\n }\n return this\n}\n\nBuffer.prototype.swap64 = function swap64 () {\n var len = this.length\n if (len % 8 !== 0) {\n throw new RangeError('Buffer size must be a multiple of 64-bits')\n }\n for (var i = 0; i < len; i += 8) {\n swap(this, i, i + 7)\n swap(this, i + 1, i + 6)\n swap(this, i + 2, i + 5)\n swap(this, i + 3, i + 4)\n }\n return this\n}\n\nBuffer.prototype.toString = function toString () {\n var length = this.length | 0\n if (length === 0) return ''\n if (arguments.length === 0) return utf8Slice(this, 0, length)\n return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.equals = function equals (b) {\n if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n if (this === b) return true\n return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n var str = ''\n var max = exports.INSPECT_MAX_BYTES\n if (this.length > 0) {\n str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')\n if (this.length > max) str += ' ... '\n }\n return ''\n}\n\nBuffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {\n if (!Buffer.isBuffer(target)) {\n throw new TypeError('Argument must be a Buffer')\n }\n\n if (start === undefined) {\n start = 0\n }\n if (end === undefined) {\n end = target ? target.length : 0\n }\n if (thisStart === undefined) {\n thisStart = 0\n }\n if (thisEnd === undefined) {\n thisEnd = this.length\n }\n\n if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {\n throw new RangeError('out of range index')\n }\n\n if (thisStart >= thisEnd && start >= end) {\n return 0\n }\n if (thisStart >= thisEnd) {\n return -1\n }\n if (start >= end) {\n return 1\n }\n\n start >>>= 0\n end >>>= 0\n thisStart >>>= 0\n thisEnd >>>= 0\n\n if (this === target) return 0\n\n var x = thisEnd - thisStart\n var y = end - start\n var len = Math.min(x, y)\n\n var thisCopy = this.slice(thisStart, thisEnd)\n var targetCopy = target.slice(start, end)\n\n for (var i = 0; i < len; ++i) {\n if (thisCopy[i] !== targetCopy[i]) {\n x = thisCopy[i]\n y = targetCopy[i]\n break\n }\n }\n\n if (x < y) return -1\n if (y < x) return 1\n return 0\n}\n\n// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,\n// OR the last index of `val` in `buffer` at offset <= `byteOffset`.\n//\n// Arguments:\n// - buffer - a Buffer to search\n// - val - a string, Buffer, or number\n// - byteOffset - an index into `buffer`; will be clamped to an int32\n// - encoding - an optional encoding, relevant is val is a string\n// - dir - true for indexOf, false for lastIndexOf\nfunction bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {\n // Empty buffer means no match\n if (buffer.length === 0) return -1\n\n // Normalize byteOffset\n if (typeof byteOffset === 'string') {\n encoding = byteOffset\n byteOffset = 0\n } else if (byteOffset > 0x7fffffff) {\n byteOffset = 0x7fffffff\n } else if (byteOffset < -0x80000000) {\n byteOffset = -0x80000000\n }\n byteOffset = +byteOffset // Coerce to Number.\n if (isNaN(byteOffset)) {\n // byteOffset: it it's undefined, null, NaN, \"foo\", etc, search whole buffer\n byteOffset = dir ? 0 : (buffer.length - 1)\n }\n\n // Normalize byteOffset: negative offsets start from the end of the buffer\n if (byteOffset < 0) byteOffset = buffer.length + byteOffset\n if (byteOffset >= buffer.length) {\n if (dir) return -1\n else byteOffset = buffer.length - 1\n } else if (byteOffset < 0) {\n if (dir) byteOffset = 0\n else return -1\n }\n\n // Normalize val\n if (typeof val === 'string') {\n val = Buffer.from(val, encoding)\n }\n\n // Finally, search either indexOf (if dir is true) or lastIndexOf\n if (Buffer.isBuffer(val)) {\n // Special case: looking for empty string/buffer always fails\n if (val.length === 0) {\n return -1\n }\n return arrayIndexOf(buffer, val, byteOffset, encoding, dir)\n } else if (typeof val === 'number') {\n val = val & 0xFF // Search for a byte value [0-255]\n if (Buffer.TYPED_ARRAY_SUPPORT &&\n typeof Uint8Array.prototype.indexOf === 'function') {\n if (dir) {\n return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)\n } else {\n return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)\n }\n }\n return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)\n }\n\n throw new TypeError('val must be string, number or Buffer')\n}\n\nfunction arrayIndexOf (arr, val, byteOffset, encoding, dir) {\n var indexSize = 1\n var arrLength = arr.length\n var valLength = val.length\n\n if (encoding !== undefined) {\n encoding = String(encoding).toLowerCase()\n if (encoding === 'ucs2' || encoding === 'ucs-2' ||\n encoding === 'utf16le' || encoding === 'utf-16le') {\n if (arr.length < 2 || val.length < 2) {\n return -1\n }\n indexSize = 2\n arrLength /= 2\n valLength /= 2\n byteOffset /= 2\n }\n }\n\n function read (buf, i) {\n if (indexSize === 1) {\n return buf[i]\n } else {\n return buf.readUInt16BE(i * indexSize)\n }\n }\n\n var i\n if (dir) {\n var foundIndex = -1\n for (i = byteOffset; i < arrLength; i++) {\n if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {\n if (foundIndex === -1) foundIndex = i\n if (i - foundIndex + 1 === valLength) return foundIndex * indexSize\n } else {\n if (foundIndex !== -1) i -= i - foundIndex\n foundIndex = -1\n }\n }\n } else {\n if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength\n for (i = byteOffset; i >= 0; i--) {\n var found = true\n for (var j = 0; j < valLength; j++) {\n if (read(arr, i + j) !== read(val, j)) {\n found = false\n break\n }\n }\n if (found) return i\n }\n }\n\n return -1\n}\n\nBuffer.prototype.includes = function includes (val, byteOffset, encoding) {\n return this.indexOf(val, byteOffset, encoding) !== -1\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {\n return bidirectionalIndexOf(this, val, byteOffset, encoding, true)\n}\n\nBuffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {\n return bidirectionalIndexOf(this, val, byteOffset, encoding, false)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n offset = Number(offset) || 0\n var remaining = buf.length - offset\n if (!length) {\n length = remaining\n } else {\n length = Number(length)\n if (length > remaining) {\n length = remaining\n }\n }\n\n // must be an even number of digits\n var strLen = string.length\n if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')\n\n if (length > strLen / 2) {\n length = strLen / 2\n }\n for (var i = 0; i < length; ++i) {\n var parsed = parseInt(string.substr(i * 2, 2), 16)\n if (isNaN(parsed)) return i\n buf[offset + i] = parsed\n }\n return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction latin1Write (buf, string, offset, length) {\n return asciiWrite(buf, string, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n // Buffer#write(string)\n if (offset === undefined) {\n encoding = 'utf8'\n length = this.length\n offset = 0\n // Buffer#write(string, encoding)\n } else if (length === undefined && typeof offset === 'string') {\n encoding = offset\n length = this.length\n offset = 0\n // Buffer#write(string, offset[, length][, encoding])\n } else if (isFinite(offset)) {\n offset = offset | 0\n if (isFinite(length)) {\n length = length | 0\n if (encoding === undefined) encoding = 'utf8'\n } else {\n encoding = length\n length = undefined\n }\n // legacy write(string, encoding, offset, length) - remove in v0.13\n } else {\n throw new Error(\n 'Buffer.write(string, encoding, offset[, length]) is no longer supported'\n )\n }\n\n var remaining = this.length - offset\n if (length === undefined || length > remaining) length = remaining\n\n if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n throw new RangeError('Attempt to write outside buffer bounds')\n }\n\n if (!encoding) encoding = 'utf8'\n\n var loweredCase = false\n for (;;) {\n switch (encoding) {\n case 'hex':\n return hexWrite(this, string, offset, length)\n\n case 'utf8':\n case 'utf-8':\n return utf8Write(this, string, offset, length)\n\n case 'ascii':\n return asciiWrite(this, string, offset, length)\n\n case 'latin1':\n case 'binary':\n return latin1Write(this, string, offset, length)\n\n case 'base64':\n // Warning: maxLength not taken into account in base64Write\n return base64Write(this, string, offset, length)\n\n case 'ucs2':\n case 'ucs-2':\n case 'utf16le':\n case 'utf-16le':\n return ucs2Write(this, string, offset, length)\n\n default:\n if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n encoding = ('' + encoding).toLowerCase()\n loweredCase = true\n }\n }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n return {\n type: 'Buffer',\n data: Array.prototype.slice.call(this._arr || this, 0)\n }\n}\n\nfunction base64Slice (buf, start, end) {\n if (start === 0 && end === buf.length) {\n return base64.fromByteArray(buf)\n } else {\n return base64.fromByteArray(buf.slice(start, end))\n }\n}\n\nfunction utf8Slice (buf, start, end) {\n end = Math.min(buf.length, end)\n var res = []\n\n var i = start\n while (i < end) {\n var firstByte = buf[i]\n var codePoint = null\n var bytesPerSequence = (firstByte > 0xEF) ? 4\n : (firstByte > 0xDF) ? 3\n : (firstByte > 0xBF) ? 2\n : 1\n\n if (i + bytesPerSequence <= end) {\n var secondByte, thirdByte, fourthByte, tempCodePoint\n\n switch (bytesPerSequence) {\n case 1:\n if (firstByte < 0x80) {\n codePoint = firstByte\n }\n break\n case 2:\n secondByte = buf[i + 1]\n if ((secondByte & 0xC0) === 0x80) {\n tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n if (tempCodePoint > 0x7F) {\n codePoint = tempCodePoint\n }\n }\n break\n case 3:\n secondByte = buf[i + 1]\n thirdByte = buf[i + 2]\n if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n codePoint = tempCodePoint\n }\n }\n break\n case 4:\n secondByte = buf[i + 1]\n thirdByte = buf[i + 2]\n fourthByte = buf[i + 3]\n if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n codePoint = tempCodePoint\n }\n }\n }\n }\n\n if (codePoint === null) {\n // we did not generate a valid codePoint so insert a\n // replacement char (U+FFFD) and advance only 1 byte\n codePoint = 0xFFFD\n bytesPerSequence = 1\n } else if (codePoint > 0xFFFF) {\n // encode to utf16 (surrogate pair dance)\n codePoint -= 0x10000\n res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n codePoint = 0xDC00 | codePoint & 0x3FF\n }\n\n res.push(codePoint)\n i += bytesPerSequence\n }\n\n return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n var len = codePoints.length\n if (len <= MAX_ARGUMENTS_LENGTH) {\n return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n }\n\n // Decode in chunks to avoid \"call stack size exceeded\".\n var res = ''\n var i = 0\n while (i < len) {\n res += String.fromCharCode.apply(\n String,\n codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n )\n }\n return res\n}\n\nfunction asciiSlice (buf, start, end) {\n var ret = ''\n end = Math.min(buf.length, end)\n\n for (var i = start; i < end; ++i) {\n ret += String.fromCharCode(buf[i] & 0x7F)\n }\n return ret\n}\n\nfunction latin1Slice (buf, start, end) {\n var ret = ''\n end = Math.min(buf.length, end)\n\n for (var i = start; i < end; ++i) {\n ret += String.fromCharCode(buf[i])\n }\n return ret\n}\n\nfunction hexSlice (buf, start, end) {\n var len = buf.length\n\n if (!start || start < 0) start = 0\n if (!end || end < 0 || end > len) end = len\n\n var out = ''\n for (var i = start; i < end; ++i) {\n out += toHex(buf[i])\n }\n return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n var bytes = buf.slice(start, end)\n var res = ''\n for (var i = 0; i < bytes.length; i += 2) {\n res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)\n }\n return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n var len = this.length\n start = ~~start\n end = end === undefined ? len : ~~end\n\n if (start < 0) {\n start += len\n if (start < 0) start = 0\n } else if (start > len) {\n start = len\n }\n\n if (end < 0) {\n end += len\n if (end < 0) end = 0\n } else if (end > len) {\n end = len\n }\n\n if (end < start) end = start\n\n var newBuf\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n newBuf = this.subarray(start, end)\n newBuf.__proto__ = Buffer.prototype\n } else {\n var sliceLen = end - start\n newBuf = new Buffer(sliceLen, undefined)\n for (var i = 0; i < sliceLen; ++i) {\n newBuf[i] = this[i + start]\n }\n }\n\n return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n var val = this[offset]\n var mul = 1\n var i = 0\n while (++i < byteLength && (mul *= 0x100)) {\n val += this[offset + i] * mul\n }\n\n return val\n}\n\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) {\n checkOffset(offset, byteLength, this.length)\n }\n\n var val = this[offset + --byteLength]\n var mul = 1\n while (byteLength > 0 && (mul *= 0x100)) {\n val += this[offset + --byteLength] * mul\n }\n\n return val\n}\n\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 1, this.length)\n return this[offset]\n}\n\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return ((this[offset]) |\n (this[offset + 1] << 8) |\n (this[offset + 2] << 16)) +\n (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return (this[offset] * 0x1000000) +\n ((this[offset + 1] << 16) |\n (this[offset + 2] << 8) |\n this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n var val = this[offset]\n var mul = 1\n var i = 0\n while (++i < byteLength && (mul *= 0x100)) {\n val += this[offset + i] * mul\n }\n mul *= 0x80\n\n if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n var i = byteLength\n var mul = 1\n var val = this[offset + --i]\n while (i > 0 && (mul *= 0x100)) {\n val += this[offset + --i] * mul\n }\n mul *= 0x80\n\n if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 1, this.length)\n if (!(this[offset] & 0x80)) return (this[offset])\n return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n var val = this[offset] | (this[offset + 1] << 8)\n return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 2, this.length)\n var val = this[offset + 1] | (this[offset] << 8)\n return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return (this[offset]) |\n (this[offset + 1] << 8) |\n (this[offset + 2] << 16) |\n (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n\n return (this[offset] << 24) |\n (this[offset + 1] << 16) |\n (this[offset + 2] << 8) |\n (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 4, this.length)\n return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 8, this.length)\n return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n if (!noAssert) checkOffset(offset, 8, this.length)\n return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n if (!Buffer.isBuffer(buf)) throw new TypeError('\"buffer\" argument must be a Buffer instance')\n if (value > max || value < min) throw new RangeError('\"value\" argument is out of bounds')\n if (offset + ext > buf.length) throw new RangeError('Index out of range')\n}\n\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) {\n var maxBytes = Math.pow(2, 8 * byteLength) - 1\n checkInt(this, value, offset, byteLength, maxBytes, 0)\n }\n\n var mul = 1\n var i = 0\n this[offset] = value & 0xFF\n while (++i < byteLength && (mul *= 0x100)) {\n this[offset + i] = (value / mul) & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n byteLength = byteLength | 0\n if (!noAssert) {\n var maxBytes = Math.pow(2, 8 * byteLength) - 1\n checkInt(this, value, offset, byteLength, maxBytes, 0)\n }\n\n var i = byteLength - 1\n var mul = 1\n this[offset + i] = value & 0xFF\n while (--i >= 0 && (mul *= 0x100)) {\n this[offset + i] = (value / mul) & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n this[offset] = (value & 0xff)\n return offset + 1\n}\n\nfunction objectWriteUInt16 (buf, value, offset, littleEndian) {\n if (value < 0) value = 0xffff + value + 1\n for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {\n buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>\n (littleEndian ? i : 1 - i) * 8\n }\n}\n\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value & 0xff)\n this[offset + 1] = (value >>> 8)\n } else {\n objectWriteUInt16(this, value, offset, true)\n }\n return offset + 2\n}\n\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 8)\n this[offset + 1] = (value & 0xff)\n } else {\n objectWriteUInt16(this, value, offset, false)\n }\n return offset + 2\n}\n\nfunction objectWriteUInt32 (buf, value, offset, littleEndian) {\n if (value < 0) value = 0xffffffff + value + 1\n for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {\n buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff\n }\n}\n\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset + 3] = (value >>> 24)\n this[offset + 2] = (value >>> 16)\n this[offset + 1] = (value >>> 8)\n this[offset] = (value & 0xff)\n } else {\n objectWriteUInt32(this, value, offset, true)\n }\n return offset + 4\n}\n\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 24)\n this[offset + 1] = (value >>> 16)\n this[offset + 2] = (value >>> 8)\n this[offset + 3] = (value & 0xff)\n } else {\n objectWriteUInt32(this, value, offset, false)\n }\n return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) {\n var limit = Math.pow(2, 8 * byteLength - 1)\n\n checkInt(this, value, offset, byteLength, limit - 1, -limit)\n }\n\n var i = 0\n var mul = 1\n var sub = 0\n this[offset] = value & 0xFF\n while (++i < byteLength && (mul *= 0x100)) {\n if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {\n sub = 1\n }\n this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) {\n var limit = Math.pow(2, 8 * byteLength - 1)\n\n checkInt(this, value, offset, byteLength, limit - 1, -limit)\n }\n\n var i = byteLength - 1\n var mul = 1\n var sub = 0\n this[offset + i] = value & 0xFF\n while (--i >= 0 && (mul *= 0x100)) {\n if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {\n sub = 1\n }\n this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n }\n\n return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n if (value < 0) value = 0xff + value + 1\n this[offset] = (value & 0xff)\n return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value & 0xff)\n this[offset + 1] = (value >>> 8)\n } else {\n objectWriteUInt16(this, value, offset, true)\n }\n return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 8)\n this[offset + 1] = (value & 0xff)\n } else {\n objectWriteUInt16(this, value, offset, false)\n }\n return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value & 0xff)\n this[offset + 1] = (value >>> 8)\n this[offset + 2] = (value >>> 16)\n this[offset + 3] = (value >>> 24)\n } else {\n objectWriteUInt32(this, value, offset, true)\n }\n return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n value = +value\n offset = offset | 0\n if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n if (value < 0) value = 0xffffffff + value + 1\n if (Buffer.TYPED_ARRAY_SUPPORT) {\n this[offset] = (value >>> 24)\n this[offset + 1] = (value >>> 16)\n this[offset + 2] = (value >>> 8)\n this[offset + 3] = (value & 0xff)\n } else {\n objectWriteUInt32(this, value, offset, false)\n }\n return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n if (offset + ext > buf.length) throw new RangeError('Index out of range')\n if (offset < 0) throw new RangeError('Index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n if (!noAssert) {\n checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n }\n ieee754.write(buf, value, offset, littleEndian, 23, 4)\n return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n if (!noAssert) {\n checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n }\n ieee754.write(buf, value, offset, littleEndian, 52, 8)\n return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n if (!start) start = 0\n if (!end && end !== 0) end = this.length\n if (targetStart >= target.length) targetStart = target.length\n if (!targetStart) targetStart = 0\n if (end > 0 && end < start) end = start\n\n // Copy 0 bytes; we're done\n if (end === start) return 0\n if (target.length === 0 || this.length === 0) return 0\n\n // Fatal error conditions\n if (targetStart < 0) {\n throw new RangeError('targetStart out of bounds')\n }\n if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')\n if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n // Are we oob?\n if (end > this.length) end = this.length\n if (target.length - targetStart < end - start) {\n end = target.length - targetStart + start\n }\n\n var len = end - start\n var i\n\n if (this === target && start < targetStart && targetStart < end) {\n // descending copy from end\n for (i = len - 1; i >= 0; --i) {\n target[i + targetStart] = this[i + start]\n }\n } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {\n // ascending copy from start\n for (i = 0; i < len; ++i) {\n target[i + targetStart] = this[i + start]\n }\n } else {\n Uint8Array.prototype.set.call(\n target,\n this.subarray(start, start + len),\n targetStart\n )\n }\n\n return len\n}\n\n// Usage:\n// buffer.fill(number[, offset[, end]])\n// buffer.fill(buffer[, offset[, end]])\n// buffer.fill(string[, offset[, end]][, encoding])\nBuffer.prototype.fill = function fill (val, start, end, encoding) {\n // Handle string cases:\n if (typeof val === 'string') {\n if (typeof start === 'string') {\n encoding = start\n start = 0\n end = this.length\n } else if (typeof end === 'string') {\n encoding = end\n end = this.length\n }\n if (val.length === 1) {\n var code = val.charCodeAt(0)\n if (code < 256) {\n val = code\n }\n }\n if (encoding !== undefined && typeof encoding !== 'string') {\n throw new TypeError('encoding must be a string')\n }\n if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {\n throw new TypeError('Unknown encoding: ' + encoding)\n }\n } else if (typeof val === 'number') {\n val = val & 255\n }\n\n // Invalid ranges are not set to a default, so can range check early.\n if (start < 0 || this.length < start || this.length < end) {\n throw new RangeError('Out of range index')\n }\n\n if (end <= start) {\n return this\n }\n\n start = start >>> 0\n end = end === undefined ? this.length : end >>> 0\n\n if (!val) val = 0\n\n var i\n if (typeof val === 'number') {\n for (i = start; i < end; ++i) {\n this[i] = val\n }\n } else {\n var bytes = Buffer.isBuffer(val)\n ? val\n : utf8ToBytes(new Buffer(val, encoding).toString())\n var len = bytes.length\n for (i = 0; i < end - start; ++i) {\n this[i + start] = bytes[i % len]\n }\n }\n\n return this\n}\n\n// HELPER FUNCTIONS\n// ================\n\nvar INVALID_BASE64_RE = /[^+\\/0-9A-Za-z-_]/g\n\nfunction base64clean (str) {\n // Node strips out invalid characters like \\n and \\t from the string, base64-js does not\n str = stringtrim(str).replace(INVALID_BASE64_RE, '')\n // Node converts strings with length < 2 to ''\n if (str.length < 2) return ''\n // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not\n while (str.length % 4 !== 0) {\n str = str + '='\n }\n return str\n}\n\nfunction stringtrim (str) {\n if (str.trim) return str.trim()\n return str.replace(/^\\s+|\\s+$/g, '')\n}\n\nfunction toHex (n) {\n if (n < 16) return '0' + n.toString(16)\n return n.toString(16)\n}\n\nfunction utf8ToBytes (string, units) {\n units = units || Infinity\n var codePoint\n var length = string.length\n var leadSurrogate = null\n var bytes = []\n\n for (var i = 0; i < length; ++i) {\n codePoint = string.charCodeAt(i)\n\n // is surrogate component\n if (codePoint > 0xD7FF && codePoint < 0xE000) {\n // last char was a lead\n if (!leadSurrogate) {\n // no lead yet\n if (codePoint > 0xDBFF) {\n // unexpected trail\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n continue\n } else if (i + 1 === length) {\n // unpaired lead\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n continue\n }\n\n // valid lead\n leadSurrogate = codePoint\n\n continue\n }\n\n // 2 leads in a row\n if (codePoint < 0xDC00) {\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n leadSurrogate = codePoint\n continue\n }\n\n // valid surrogate pair\n codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000\n } else if (leadSurrogate) {\n // valid bmp char, but last char was a lead\n if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n }\n\n leadSurrogate = null\n\n // encode utf8\n if (codePoint < 0x80) {\n if ((units -= 1) < 0) break\n bytes.push(codePoint)\n } else if (codePoint < 0x800) {\n if ((units -= 2) < 0) break\n bytes.push(\n codePoint >> 0x6 | 0xC0,\n codePoint & 0x3F | 0x80\n )\n } else if (codePoint < 0x10000) {\n if ((units -= 3) < 0) break\n bytes.push(\n codePoint >> 0xC | 0xE0,\n codePoint >> 0x6 & 0x3F | 0x80,\n codePoint & 0x3F | 0x80\n )\n } else if (codePoint < 0x110000) {\n if ((units -= 4) < 0) break\n bytes.push(\n codePoint >> 0x12 | 0xF0,\n codePoint >> 0xC & 0x3F | 0x80,\n codePoint >> 0x6 & 0x3F | 0x80,\n codePoint & 0x3F | 0x80\n )\n } else {\n throw new Error('Invalid code point')\n }\n }\n\n return bytes\n}\n\nfunction asciiToBytes (str) {\n var byteArray = []\n for (var i = 0; i < str.length; ++i) {\n // Node's code seems to be doing this and not & 0x7F..\n byteArray.push(str.charCodeAt(i) & 0xFF)\n }\n return byteArray\n}\n\nfunction utf16leToBytes (str, units) {\n var c, hi, lo\n var byteArray = []\n for (var i = 0; i < str.length; ++i) {\n if ((units -= 2) < 0) break\n\n c = str.charCodeAt(i)\n hi = c >> 8\n lo = c % 256\n byteArray.push(lo)\n byteArray.push(hi)\n }\n\n return byteArray\n}\n\nfunction base64ToBytes (str) {\n return base64.toByteArray(base64clean(str))\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n for (var i = 0; i < length; ++i) {\n if ((i + offset >= dst.length) || (i >= src.length)) break\n dst[i + offset] = src[i]\n }\n return i\n}\n\nfunction isnan (val) {\n return val !== val // eslint-disable-line no-self-compare\n}\n","var arrayWithHoles = require(\"./arrayWithHoles\");\n\nvar iterableToArrayLimit = require(\"./iterableToArrayLimit\");\n\nvar unsupportedIterableToArray = require(\"./unsupportedIterableToArray\");\n\nvar nonIterableRest = require(\"./nonIterableRest\");\n\nfunction _slicedToArray(arr, i) {\n return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || unsupportedIterableToArray(arr, i) || nonIterableRest();\n}\n\nmodule.exports = _slicedToArray;","function _asyncGeneratorDelegate(inner, awaitWrap) {\n var iter = {},\n waiting = false;\n\n function pump(key, value) {\n waiting = true;\n value = new Promise(function (resolve) {\n resolve(inner[key](value));\n });\n return {\n done: false,\n value: awaitWrap(value)\n };\n }\n\n ;\n\n if (typeof Symbol === \"function\" && Symbol.iterator) {\n iter[Symbol.iterator] = function () {\n return this;\n };\n }\n\n iter.next = function (value) {\n if (waiting) {\n waiting = false;\n return value;\n }\n\n return pump(\"next\", value);\n };\n\n if (typeof inner[\"throw\"] === \"function\") {\n iter[\"throw\"] = function (value) {\n if (waiting) {\n waiting = false;\n throw value;\n }\n\n return pump(\"throw\", value);\n };\n }\n\n if (typeof inner[\"return\"] === \"function\") {\n iter[\"return\"] = function (value) {\n if (waiting) {\n waiting = false;\n return value;\n }\n\n return pump(\"return\", value);\n };\n }\n\n return iter;\n}\n\nmodule.exports = _asyncGeneratorDelegate;","'use strict'\n\nlet impl\n\nif (globalThis.AbortController && globalThis.AbortSignal) {\n impl = globalThis\n} else {\n impl = require('abort-controller')\n}\n\nmodule.exports = {\n AbortController: impl.AbortController,\n AbortSignal: impl.AbortSignal\n}\n","var core = module.exports = { version: '2.6.11' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n","export default function _assertThisInitialized(self) {\n if (self === void 0) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return self;\n}","export function warn() {\n if (console && console.warn) {\n var _console;\n\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n if (typeof args[0] === 'string') args[0] = \"react-i18next:: \".concat(args[0]);\n\n (_console = console).warn.apply(_console, args);\n }\n}\nvar alreadyWarned = {};\nexport function warnOnce() {\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n if (typeof args[0] === 'string' && alreadyWarned[args[0]]) return;\n if (typeof args[0] === 'string') alreadyWarned[args[0]] = new Date();\n warn.apply(void 0, args);\n}\nexport function loadNamespaces(i18n, ns, cb) {\n i18n.loadNamespaces(ns, function () {\n if (i18n.isInitialized) {\n cb();\n } else {\n var initialized = function initialized() {\n setTimeout(function () {\n i18n.off('initialized', initialized);\n }, 0);\n cb();\n };\n\n i18n.on('initialized', initialized);\n }\n });\n}\nexport function hasLoadedNamespace(ns, i18n) {\n var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n\n if (!i18n.languages || !i18n.languages.length) {\n warnOnce('i18n.languages were undefined or empty', i18n.languages);\n return true;\n }\n\n var lng = i18n.languages[0];\n var fallbackLng = i18n.options ? i18n.options.fallbackLng : false;\n var lastLng = i18n.languages[i18n.languages.length - 1];\n if (lng.toLowerCase() === 'cimode') return true;\n\n var loadNotPending = function loadNotPending(l, n) {\n var loadState = i18n.services.backendConnector.state[\"\".concat(l, \"|\").concat(n)];\n return loadState === -1 || loadState === 2;\n };\n\n if (options.bindI18n && options.bindI18n.indexOf('languageChanging') > -1 && i18n.services.backendConnector.backend && i18n.isLanguageChangingTo && !loadNotPending(i18n.isLanguageChangingTo, ns)) return false;\n if (i18n.hasResourceBundle(lng, ns)) return true;\n if (!i18n.services.backendConnector.backend) return true;\n if (loadNotPending(lng, ns) && (!fallbackLng || loadNotPending(lastLng, ns))) return true;\n return false;\n}\nexport function getDisplayName(Component) {\n return Component.displayName || Component.name || (typeof Component === 'string' && Component.length > 0 ? Component : 'Unknown');\n}","'use strict';\n\nvar isMergeableObject = function isMergeableObject(value) {\n\treturn isNonNullObject(value)\n\t\t&& !isSpecial(value)\n};\n\nfunction isNonNullObject(value) {\n\treturn !!value && typeof value === 'object'\n}\n\nfunction isSpecial(value) {\n\tvar stringValue = Object.prototype.toString.call(value);\n\n\treturn stringValue === '[object RegExp]'\n\t\t|| stringValue === '[object Date]'\n\t\t|| isReactElement(value)\n}\n\n// see https://github.com/facebook/react/blob/b5ac963fb791d1298e7f396236383bc955f916c1/src/isomorphic/classic/element/ReactElement.js#L21-L25\nvar canUseSymbol = typeof Symbol === 'function' && Symbol.for;\nvar REACT_ELEMENT_TYPE = canUseSymbol ? Symbol.for('react.element') : 0xeac7;\n\nfunction isReactElement(value) {\n\treturn value.$$typeof === REACT_ELEMENT_TYPE\n}\n\nfunction emptyTarget(val) {\n\treturn Array.isArray(val) ? [] : {}\n}\n\nfunction cloneUnlessOtherwiseSpecified(value, options) {\n\treturn (options.clone !== false && options.isMergeableObject(value))\n\t\t? deepmerge(emptyTarget(value), value, options)\n\t\t: value\n}\n\nfunction defaultArrayMerge(target, source, options) {\n\treturn target.concat(source).map(function(element) {\n\t\treturn cloneUnlessOtherwiseSpecified(element, options)\n\t})\n}\n\nfunction getMergeFunction(key, options) {\n\tif (!options.customMerge) {\n\t\treturn deepmerge\n\t}\n\tvar customMerge = options.customMerge(key);\n\treturn typeof customMerge === 'function' ? customMerge : deepmerge\n}\n\nfunction getEnumerableOwnPropertySymbols(target) {\n\treturn Object.getOwnPropertySymbols\n\t\t? Object.getOwnPropertySymbols(target).filter(function(symbol) {\n\t\t\treturn target.propertyIsEnumerable(symbol)\n\t\t})\n\t\t: []\n}\n\nfunction getKeys(target) {\n\treturn Object.keys(target).concat(getEnumerableOwnPropertySymbols(target))\n}\n\nfunction propertyIsOnObject(object, property) {\n\ttry {\n\t\treturn property in object\n\t} catch(_) {\n\t\treturn false\n\t}\n}\n\n// Protects from prototype poisoning and unexpected merging up the prototype chain.\nfunction propertyIsUnsafe(target, key) {\n\treturn propertyIsOnObject(target, key) // Properties are safe to merge if they don't exist in the target yet,\n\t\t&& !(Object.hasOwnProperty.call(target, key) // unsafe if they exist up the prototype chain,\n\t\t\t&& Object.propertyIsEnumerable.call(target, key)) // and also unsafe if they're nonenumerable.\n}\n\nfunction mergeObject(target, source, options) {\n\tvar destination = {};\n\tif (options.isMergeableObject(target)) {\n\t\tgetKeys(target).forEach(function(key) {\n\t\t\tdestination[key] = cloneUnlessOtherwiseSpecified(target[key], options);\n\t\t});\n\t}\n\tgetKeys(source).forEach(function(key) {\n\t\tif (propertyIsUnsafe(target, key)) {\n\t\t\treturn\n\t\t}\n\n\t\tif (propertyIsOnObject(target, key) && options.isMergeableObject(source[key])) {\n\t\t\tdestination[key] = getMergeFunction(key, options)(target[key], source[key], options);\n\t\t} else {\n\t\t\tdestination[key] = cloneUnlessOtherwiseSpecified(source[key], options);\n\t\t}\n\t});\n\treturn destination\n}\n\nfunction deepmerge(target, source, options) {\n\toptions = options || {};\n\toptions.arrayMerge = options.arrayMerge || defaultArrayMerge;\n\toptions.isMergeableObject = options.isMergeableObject || isMergeableObject;\n\t// cloneUnlessOtherwiseSpecified is added to `options` so that custom arrayMerge()\n\t// implementations can use it. The caller may not replace it.\n\toptions.cloneUnlessOtherwiseSpecified = cloneUnlessOtherwiseSpecified;\n\n\tvar sourceIsArray = Array.isArray(source);\n\tvar targetIsArray = Array.isArray(target);\n\tvar sourceAndTargetTypesMatch = sourceIsArray === targetIsArray;\n\n\tif (!sourceAndTargetTypesMatch) {\n\t\treturn cloneUnlessOtherwiseSpecified(source, options)\n\t} else if (sourceIsArray) {\n\t\treturn options.arrayMerge(target, source, options)\n\t} else {\n\t\treturn mergeObject(target, source, options)\n\t}\n}\n\ndeepmerge.all = function deepmergeAll(array, options) {\n\tif (!Array.isArray(array)) {\n\t\tthrow new Error('first argument should be an array')\n\t}\n\n\treturn array.reduce(function(prev, next) {\n\t\treturn deepmerge(prev, next, options)\n\t}, {})\n};\n\nvar deepmerge_1 = deepmerge;\n\nmodule.exports = deepmerge_1;\n","'use strict'\n// base-x encoding / decoding\n// Copyright (c) 2018 base-x contributors\n// Copyright (c) 2014-2018 The Bitcoin Core developers (base58.cpp)\n// Distributed under the MIT software license, see the accompanying\n// file LICENSE or http://www.opensource.org/licenses/mit-license.php.\nfunction base (ALPHABET) {\n if (ALPHABET.length >= 255) { throw new TypeError('Alphabet too long') }\n var BASE_MAP = new Uint8Array(256)\n for (var j = 0; j < BASE_MAP.length; j++) {\n BASE_MAP[j] = 255\n }\n for (var i = 0; i < ALPHABET.length; i++) {\n var x = ALPHABET.charAt(i)\n var xc = x.charCodeAt(0)\n if (BASE_MAP[xc] !== 255) { throw new TypeError(x + ' is ambiguous') }\n BASE_MAP[xc] = i\n }\n var BASE = ALPHABET.length\n var LEADER = ALPHABET.charAt(0)\n var FACTOR = Math.log(BASE) / Math.log(256) // log(BASE) / log(256), rounded up\n var iFACTOR = Math.log(256) / Math.log(BASE) // log(256) / log(BASE), rounded up\n function encode (source) {\n if (source instanceof Uint8Array) {\n } else if (ArrayBuffer.isView(source)) {\n source = new Uint8Array(source.buffer, source.byteOffset, source.byteLength)\n } else if (Array.isArray(source)) {\n source = Uint8Array.from(source)\n }\n if (!(source instanceof Uint8Array)) { throw new TypeError('Expected Uint8Array') }\n if (source.length === 0) { return '' }\n // Skip & count leading zeroes.\n var zeroes = 0\n var length = 0\n var pbegin = 0\n var pend = source.length\n while (pbegin !== pend && source[pbegin] === 0) {\n pbegin++\n zeroes++\n }\n // Allocate enough space in big-endian base58 representation.\n var size = ((pend - pbegin) * iFACTOR + 1) >>> 0\n var b58 = new Uint8Array(size)\n // Process the bytes.\n while (pbegin !== pend) {\n var carry = source[pbegin]\n // Apply \"b58 = b58 * 256 + ch\".\n var i = 0\n for (var it1 = size - 1; (carry !== 0 || i < length) && (it1 !== -1); it1--, i++) {\n carry += (256 * b58[it1]) >>> 0\n b58[it1] = (carry % BASE) >>> 0\n carry = (carry / BASE) >>> 0\n }\n if (carry !== 0) { throw new Error('Non-zero carry') }\n length = i\n pbegin++\n }\n // Skip leading zeroes in base58 result.\n var it2 = size - length\n while (it2 !== size && b58[it2] === 0) {\n it2++\n }\n // Translate the result into a string.\n var str = LEADER.repeat(zeroes)\n for (; it2 < size; ++it2) { str += ALPHABET.charAt(b58[it2]) }\n return str\n }\n function decodeUnsafe (source) {\n if (typeof source !== 'string') { throw new TypeError('Expected String') }\n if (source.length === 0) { return new Uint8Array() }\n var psz = 0\n // Skip leading spaces.\n if (source[psz] === ' ') { return }\n // Skip and count leading '1's.\n var zeroes = 0\n var length = 0\n while (source[psz] === LEADER) {\n zeroes++\n psz++\n }\n // Allocate enough space in big-endian base256 representation.\n var size = (((source.length - psz) * FACTOR) + 1) >>> 0 // log(58) / log(256), rounded up.\n var b256 = new Uint8Array(size)\n // Process the characters.\n while (source[psz]) {\n // Decode character\n var carry = BASE_MAP[source.charCodeAt(psz)]\n // Invalid character\n if (carry === 255) { return }\n var i = 0\n for (var it3 = size - 1; (carry !== 0 || i < length) && (it3 !== -1); it3--, i++) {\n carry += (BASE * b256[it3]) >>> 0\n b256[it3] = (carry % 256) >>> 0\n carry = (carry / 256) >>> 0\n }\n if (carry !== 0) { throw new Error('Non-zero carry') }\n length = i\n psz++\n }\n // Skip trailing spaces.\n if (source[psz] === ' ') { return }\n // Skip leading zeroes in b256.\n var it4 = size - length\n while (it4 !== size && b256[it4] === 0) {\n it4++\n }\n var vch = new Uint8Array(zeroes + (size - it4))\n var j = zeroes\n while (it4 !== size) {\n vch[j++] = b256[it4++]\n }\n return vch\n }\n function decode (string) {\n var buffer = decodeUnsafe(string)\n if (buffer) { return buffer }\n throw new Error('Non-base' + BASE + ' character')\n }\n return {\n encode: encode,\n decodeUnsafe: decodeUnsafe,\n decode: decode\n }\n}\nmodule.exports = base\n","var store = require('./_shared')('wks');\nvar uid = require('./_uid');\nvar Symbol = require('./_global').Symbol;\nvar USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function (name) {\n return store[name] || (store[name] =\n USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;\n","import _classCallCheck from \"@babel/runtime/helpers/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/createClass\";\nimport _defineProperty from \"@babel/runtime/helpers/defineProperty\";\n\nfunction ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nimport React from 'react';\nvar defaultOptions = {\n bindI18n: 'languageChanged',\n bindI18nStore: '',\n transEmptyNodeValue: '',\n transSupportBasicHtmlNodes: true,\n transKeepBasicHtmlNodesFor: ['br', 'strong', 'i', 'p'],\n useSuspense: true\n};\nvar i18nInstance;\nexport var I18nContext = React.createContext();\nexport function setDefaults() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n defaultOptions = _objectSpread(_objectSpread({}, defaultOptions), options);\n}\nexport function getDefaults() {\n return defaultOptions;\n}\nexport var ReportNamespaces = function () {\n function ReportNamespaces() {\n _classCallCheck(this, ReportNamespaces);\n\n this.usedNamespaces = {};\n }\n\n _createClass(ReportNamespaces, [{\n key: \"addUsedNamespaces\",\n value: function addUsedNamespaces(namespaces) {\n var _this = this;\n\n namespaces.forEach(function (ns) {\n if (!_this.usedNamespaces[ns]) _this.usedNamespaces[ns] = true;\n });\n }\n }, {\n key: \"getUsedNamespaces\",\n value: function getUsedNamespaces() {\n return Object.keys(this.usedNamespaces);\n }\n }]);\n\n return ReportNamespaces;\n}();\nexport function setI18n(instance) {\n i18nInstance = instance;\n}\nexport function getI18n() {\n return i18nInstance;\n}\nexport var initReactI18next = {\n type: '3rdParty',\n init: function init(instance) {\n setDefaults(instance.options.react);\n setI18n(instance);\n }\n};\nexport function composeInitialProps(ForComponent) {\n return function (ctx) {\n return new Promise(function (resolve) {\n var i18nInitialProps = getInitialProps();\n\n if (ForComponent.getInitialProps) {\n ForComponent.getInitialProps(ctx).then(function (componentsInitialProps) {\n resolve(_objectSpread(_objectSpread({}, componentsInitialProps), i18nInitialProps));\n });\n } else {\n resolve(i18nInitialProps);\n }\n });\n };\n}\nexport function getInitialProps() {\n var i18n = getI18n();\n var namespaces = i18n.reportNamespaces ? i18n.reportNamespaces.getUsedNamespaces() : [];\n var ret = {};\n var initialI18nStore = {};\n i18n.languages.forEach(function (l) {\n initialI18nStore[l] = {};\n namespaces.forEach(function (ns) {\n initialI18nStore[l][ns] = i18n.getResourceBundle(l, ns) || {};\n });\n });\n ret.initialI18nStore = initialI18nStore;\n ret.initialLanguage = i18n.language;\n return ret;\n}","'use strict';\n\nvar ip = exports;\nvar Buffer = require('buffer').Buffer;\nvar os = require('os');\n\nip.toBuffer = function(ip, buff, offset) {\n offset = ~~offset;\n\n var result;\n\n if (this.isV4Format(ip)) {\n result = buff || new Buffer(offset + 4);\n ip.split(/\\./g).map(function(byte) {\n result[offset++] = parseInt(byte, 10) & 0xff;\n });\n } else if (this.isV6Format(ip)) {\n var sections = ip.split(':', 8);\n\n var i;\n for (i = 0; i < sections.length; i++) {\n var isv4 = this.isV4Format(sections[i]);\n var v4Buffer;\n\n if (isv4) {\n v4Buffer = this.toBuffer(sections[i]);\n sections[i] = v4Buffer.slice(0, 2).toString('hex');\n }\n\n if (v4Buffer && ++i < 8) {\n sections.splice(i, 0, v4Buffer.slice(2, 4).toString('hex'));\n }\n }\n\n if (sections[0] === '') {\n while (sections.length < 8) sections.unshift('0');\n } else if (sections[sections.length - 1] === '') {\n while (sections.length < 8) sections.push('0');\n } else if (sections.length < 8) {\n for (i = 0; i < sections.length && sections[i] !== ''; i++);\n var argv = [ i, 1 ];\n for (i = 9 - sections.length; i > 0; i--) {\n argv.push('0');\n }\n sections.splice.apply(sections, argv);\n }\n\n result = buff || new Buffer(offset + 16);\n for (i = 0; i < sections.length; i++) {\n var word = parseInt(sections[i], 16);\n result[offset++] = (word >> 8) & 0xff;\n result[offset++] = word & 0xff;\n }\n }\n\n if (!result) {\n throw Error('Invalid ip address: ' + ip);\n }\n\n return result;\n};\n\nip.toString = function(buff, offset, length) {\n offset = ~~offset;\n length = length || (buff.length - offset);\n\n var result = [];\n if (length === 4) {\n // IPv4\n for (var i = 0; i < length; i++) {\n result.push(buff[offset + i]);\n }\n result = result.join('.');\n } else if (length === 16) {\n // IPv6\n for (var i = 0; i < length; i += 2) {\n result.push(buff.readUInt16BE(offset + i).toString(16));\n }\n result = result.join(':');\n result = result.replace(/(^|:)0(:0)*:0(:|$)/, '$1::$3');\n result = result.replace(/:{3,4}/, '::');\n }\n\n return result;\n};\n\nvar ipv4Regex = /^(\\d{1,3}\\.){3,3}\\d{1,3}$/;\nvar ipv6Regex =\n /^(::)?(((\\d{1,3}\\.){3}(\\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i;\n\nip.isV4Format = function(ip) {\n return ipv4Regex.test(ip);\n};\n\nip.isV6Format = function(ip) {\n return ipv6Regex.test(ip);\n};\nfunction _normalizeFamily(family) {\n return family ? family.toLowerCase() : 'ipv4';\n}\n\nip.fromPrefixLen = function(prefixlen, family) {\n if (prefixlen > 32) {\n family = 'ipv6';\n } else {\n family = _normalizeFamily(family);\n }\n\n var len = 4;\n if (family === 'ipv6') {\n len = 16;\n }\n var buff = new Buffer(len);\n\n for (var i = 0, n = buff.length; i < n; ++i) {\n var bits = 8;\n if (prefixlen < 8) {\n bits = prefixlen;\n }\n prefixlen -= bits;\n\n buff[i] = ~(0xff >> bits) & 0xff;\n }\n\n return ip.toString(buff);\n};\n\nip.mask = function(addr, mask) {\n addr = ip.toBuffer(addr);\n mask = ip.toBuffer(mask);\n\n var result = new Buffer(Math.max(addr.length, mask.length));\n\n var i = 0;\n // Same protocol - do bitwise and\n if (addr.length === mask.length) {\n for (i = 0; i < addr.length; i++) {\n result[i] = addr[i] & mask[i];\n }\n } else if (mask.length === 4) {\n // IPv6 address and IPv4 mask\n // (Mask low bits)\n for (i = 0; i < mask.length; i++) {\n result[i] = addr[addr.length - 4 + i] & mask[i];\n }\n } else {\n // IPv6 mask and IPv4 addr\n for (var i = 0; i < result.length - 6; i++) {\n result[i] = 0;\n }\n\n // ::ffff:ipv4\n result[10] = 0xff;\n result[11] = 0xff;\n for (i = 0; i < addr.length; i++) {\n result[i + 12] = addr[i] & mask[i + 12];\n }\n i = i + 12;\n }\n for (; i < result.length; i++)\n result[i] = 0;\n\n return ip.toString(result);\n};\n\nip.cidr = function(cidrString) {\n var cidrParts = cidrString.split('/');\n\n var addr = cidrParts[0];\n if (cidrParts.length !== 2)\n throw new Error('invalid CIDR subnet: ' + addr);\n\n var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));\n\n return ip.mask(addr, mask);\n};\n\nip.subnet = function(addr, mask) {\n var networkAddress = ip.toLong(ip.mask(addr, mask));\n\n // Calculate the mask's length.\n var maskBuffer = ip.toBuffer(mask);\n var maskLength = 0;\n\n for (var i = 0; i < maskBuffer.length; i++) {\n if (maskBuffer[i] === 0xff) {\n maskLength += 8;\n } else {\n var octet = maskBuffer[i] & 0xff;\n while (octet) {\n octet = (octet << 1) & 0xff;\n maskLength++;\n }\n }\n }\n\n var numberOfAddresses = Math.pow(2, 32 - maskLength);\n\n return {\n networkAddress: ip.fromLong(networkAddress),\n firstAddress: numberOfAddresses <= 2 ?\n ip.fromLong(networkAddress) :\n ip.fromLong(networkAddress + 1),\n lastAddress: numberOfAddresses <= 2 ?\n ip.fromLong(networkAddress + numberOfAddresses - 1) :\n ip.fromLong(networkAddress + numberOfAddresses - 2),\n broadcastAddress: ip.fromLong(networkAddress + numberOfAddresses - 1),\n subnetMask: mask,\n subnetMaskLength: maskLength,\n numHosts: numberOfAddresses <= 2 ?\n numberOfAddresses : numberOfAddresses - 2,\n length: numberOfAddresses,\n contains: function(other) {\n return networkAddress === ip.toLong(ip.mask(other, mask));\n }\n };\n};\n\nip.cidrSubnet = function(cidrString) {\n var cidrParts = cidrString.split('/');\n\n var addr = cidrParts[0];\n if (cidrParts.length !== 2)\n throw new Error('invalid CIDR subnet: ' + addr);\n\n var mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));\n\n return ip.subnet(addr, mask);\n};\n\nip.not = function(addr) {\n var buff = ip.toBuffer(addr);\n for (var i = 0; i < buff.length; i++) {\n buff[i] = 0xff ^ buff[i];\n }\n return ip.toString(buff);\n};\n\nip.or = function(a, b) {\n a = ip.toBuffer(a);\n b = ip.toBuffer(b);\n\n // same protocol\n if (a.length === b.length) {\n for (var i = 0; i < a.length; ++i) {\n a[i] |= b[i];\n }\n return ip.toString(a);\n\n // mixed protocols\n } else {\n var buff = a;\n var other = b;\n if (b.length > a.length) {\n buff = b;\n other = a;\n }\n\n var offset = buff.length - other.length;\n for (var i = offset; i < buff.length; ++i) {\n buff[i] |= other[i - offset];\n }\n\n return ip.toString(buff);\n }\n};\n\nip.isEqual = function(a, b) {\n a = ip.toBuffer(a);\n b = ip.toBuffer(b);\n\n // Same protocol\n if (a.length === b.length) {\n for (var i = 0; i < a.length; i++) {\n if (a[i] !== b[i]) return false;\n }\n return true;\n }\n\n // Swap\n if (b.length === 4) {\n var t = b;\n b = a;\n a = t;\n }\n\n // a - IPv4, b - IPv6\n for (var i = 0; i < 10; i++) {\n if (b[i] !== 0) return false;\n }\n\n var word = b.readUInt16BE(10);\n if (word !== 0 && word !== 0xffff) return false;\n\n for (var i = 0; i < 4; i++) {\n if (a[i] !== b[i + 12]) return false;\n }\n\n return true;\n};\n\nip.isPrivate = function(addr) {\n return /^(::f{4}:)?10\\.([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})$/i\n .test(addr) ||\n /^(::f{4}:)?192\\.168\\.([0-9]{1,3})\\.([0-9]{1,3})$/i.test(addr) ||\n /^(::f{4}:)?172\\.(1[6-9]|2\\d|30|31)\\.([0-9]{1,3})\\.([0-9]{1,3})$/i\n .test(addr) ||\n /^(::f{4}:)?127\\.([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})$/i.test(addr) ||\n /^(::f{4}:)?169\\.254\\.([0-9]{1,3})\\.([0-9]{1,3})$/i.test(addr) ||\n /^f[cd][0-9a-f]{2}:/i.test(addr) ||\n /^fe80:/i.test(addr) ||\n /^::1$/.test(addr) ||\n /^::$/.test(addr);\n};\n\nip.isPublic = function(addr) {\n return !ip.isPrivate(addr);\n};\n\nip.isLoopback = function(addr) {\n return /^(::f{4}:)?127\\.([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})/\n .test(addr) ||\n /^fe80::1$/.test(addr) ||\n /^::1$/.test(addr) ||\n /^::$/.test(addr);\n};\n\nip.loopback = function(family) {\n //\n // Default to `ipv4`\n //\n family = _normalizeFamily(family);\n\n if (family !== 'ipv4' && family !== 'ipv6') {\n throw new Error('family must be ipv4 or ipv6');\n }\n\n return family === 'ipv4' ? '127.0.0.1' : 'fe80::1';\n};\n\n//\n// ### function address (name, family)\n// #### @name {string|'public'|'private'} **Optional** Name or security\n// of the network interface.\n// #### @family {ipv4|ipv6} **Optional** IP family of the address (defaults\n// to ipv4).\n//\n// Returns the address for the network interface on the current system with\n// the specified `name`:\n// * String: First `family` address of the interface.\n// If not found see `undefined`.\n// * 'public': the first public ip address of family.\n// * 'private': the first private ip address of family.\n// * undefined: First address with `ipv4` or loopback address `127.0.0.1`.\n//\nip.address = function(name, family) {\n var interfaces = os.networkInterfaces();\n var all;\n\n //\n // Default to `ipv4`\n //\n family = _normalizeFamily(family);\n\n //\n // If a specific network interface has been named,\n // return the address.\n //\n if (name && name !== 'private' && name !== 'public') {\n var res = interfaces[name].filter(function(details) {\n var itemFamily = details.family.toLowerCase();\n return itemFamily === family;\n });\n if (res.length === 0)\n return undefined;\n return res[0].address;\n }\n\n var all = Object.keys(interfaces).map(function (nic) {\n //\n // Note: name will only be `public` or `private`\n // when this is called.\n //\n var addresses = interfaces[nic].filter(function (details) {\n details.family = details.family.toLowerCase();\n if (details.family !== family || ip.isLoopback(details.address)) {\n return false;\n } else if (!name) {\n return true;\n }\n\n return name === 'public' ? ip.isPrivate(details.address) :\n ip.isPublic(details.address);\n });\n\n return addresses.length ? addresses[0].address : undefined;\n }).filter(Boolean);\n\n return !all.length ? ip.loopback(family) : all[0];\n};\n\nip.toLong = function(ip) {\n var ipl = 0;\n ip.split('.').forEach(function(octet) {\n ipl <<= 8;\n ipl += parseInt(octet);\n });\n return(ipl >>> 0);\n};\n\nip.fromLong = function(ipl) {\n return ((ipl >>> 24) + '.' +\n (ipl >> 16 & 255) + '.' +\n (ipl >> 8 & 255) + '.' +\n (ipl & 255) );\n};\n","export default function _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}","function _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n}\n\nexport default function _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n return Constructor;\n}","'use strict'\n\n// Import browser version otherwise electron-renderer will end up with node\n// version and fail.\nconst normaliseInput = require('ipfs-core-utils/src/files/normalise-input/index.browser')\nconst modeToString = require('./mode-to-string')\n\nasync function multipartRequest (source = '', abortController, headers = {}) {\n const parts = []\n const formData = new FormData()\n let index = 0\n let total = 0\n\n for await (const { content, path, mode, mtime } of normaliseInput(source)) {\n let fileSuffix = ''\n const type = content ? 'file' : 'dir'\n\n if (index > 0) {\n fileSuffix = `-${index}`\n }\n\n let fieldName = type + fileSuffix\n const qs = []\n\n if (mode !== null && mode !== undefined) {\n qs.push(`mode=${modeToString(mode)}`)\n }\n\n if ((mtime) != null) {\n const { secs, nsecs } = (mtime)\n\n qs.push(`mtime=${secs}`)\n\n if (nsecs != null) {\n qs.push(`mtime-nsecs=${nsecs}`)\n }\n }\n\n if (qs.length) {\n fieldName = `${fieldName}?${qs.join('&')}`\n }\n\n if (content) {\n formData.set(fieldName, content, encodeURIComponent(path))\n const end = total + content.size\n parts.push({ name: path, start: total, end })\n total = end\n } else {\n formData.set(fieldName, new File([''], encodeURIComponent(path), { type: 'application/x-directory' }))\n }\n\n index++\n }\n\n return {\n total,\n parts,\n headers,\n body: formData\n }\n}\n\nmodule.exports = multipartRequest\n","'use strict'\n\nconst { anySignal } = require('any-signal')\n\n/**\n * @typedef {AbortSignal | undefined} MaybeSignal\n *\n * @param {MaybeSignal[]} signals\n * @returns {AbortSignal[]}\n */\nfunction filter (signals) {\n // @ts-ignore\n return signals.filter(Boolean)\n}\n\n/**\n * @param {...AbortSignal|undefined} signals\n */\nmodule.exports = (...signals) => {\n return anySignal(filter(signals))\n}\n","\"use strict\";\n\nexports.__esModule = true;\n\nvar _assign = require(\"../core-js/object/assign\");\n\nvar _assign2 = _interopRequireDefault(_assign);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = _assign2.default || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n};","'use strict'\n\n/**\n * Returns the last item of an (async) iterable, unless empty, in which case\n * return `undefined`.\n *\n * @template T\n * @param {AsyncIterable|Iterable} source\n */\nconst last = async (source) => {\n let res\n\n for await (const entry of source) {\n res = entry\n }\n\n return res\n}\n\nmodule.exports = last\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nfunction componentWillMount() {\n // Call this.constructor.gDSFP to support sub-classes.\n var state = this.constructor.getDerivedStateFromProps(this.props, this.state);\n if (state !== null && state !== undefined) {\n this.setState(state);\n }\n}\n\nfunction componentWillReceiveProps(nextProps) {\n // Call this.constructor.gDSFP to support sub-classes.\n // Use the setState() updater to ensure state isn't stale in certain edge cases.\n function updater(prevState) {\n var state = this.constructor.getDerivedStateFromProps(nextProps, prevState);\n return state !== null && state !== undefined ? state : null;\n }\n // Binding \"this\" is important for shallow renderer support.\n this.setState(updater.bind(this));\n}\n\nfunction componentWillUpdate(nextProps, nextState) {\n try {\n var prevProps = this.props;\n var prevState = this.state;\n this.props = nextProps;\n this.state = nextState;\n this.__reactInternalSnapshotFlag = true;\n this.__reactInternalSnapshot = this.getSnapshotBeforeUpdate(\n prevProps,\n prevState\n );\n } finally {\n this.props = prevProps;\n this.state = prevState;\n }\n}\n\n// React may warn about cWM/cWRP/cWU methods being deprecated.\n// Add a flag to suppress these warnings for this special case.\ncomponentWillMount.__suppressDeprecationWarning = true;\ncomponentWillReceiveProps.__suppressDeprecationWarning = true;\ncomponentWillUpdate.__suppressDeprecationWarning = true;\n\nfunction polyfill(Component) {\n var prototype = Component.prototype;\n\n if (!prototype || !prototype.isReactComponent) {\n throw new Error('Can only polyfill class components');\n }\n\n if (\n typeof Component.getDerivedStateFromProps !== 'function' &&\n typeof prototype.getSnapshotBeforeUpdate !== 'function'\n ) {\n return Component;\n }\n\n // If new component APIs are defined, \"unsafe\" lifecycles won't be called.\n // Error if any of these lifecycles are present,\n // Because they would work differently between older and newer (16.3+) versions of React.\n var foundWillMountName = null;\n var foundWillReceivePropsName = null;\n var foundWillUpdateName = null;\n if (typeof prototype.componentWillMount === 'function') {\n foundWillMountName = 'componentWillMount';\n } else if (typeof prototype.UNSAFE_componentWillMount === 'function') {\n foundWillMountName = 'UNSAFE_componentWillMount';\n }\n if (typeof prototype.componentWillReceiveProps === 'function') {\n foundWillReceivePropsName = 'componentWillReceiveProps';\n } else if (typeof prototype.UNSAFE_componentWillReceiveProps === 'function') {\n foundWillReceivePropsName = 'UNSAFE_componentWillReceiveProps';\n }\n if (typeof prototype.componentWillUpdate === 'function') {\n foundWillUpdateName = 'componentWillUpdate';\n } else if (typeof prototype.UNSAFE_componentWillUpdate === 'function') {\n foundWillUpdateName = 'UNSAFE_componentWillUpdate';\n }\n if (\n foundWillMountName !== null ||\n foundWillReceivePropsName !== null ||\n foundWillUpdateName !== null\n ) {\n var componentName = Component.displayName || Component.name;\n var newApiName =\n typeof Component.getDerivedStateFromProps === 'function'\n ? 'getDerivedStateFromProps()'\n : 'getSnapshotBeforeUpdate()';\n\n throw Error(\n 'Unsafe legacy lifecycles will not be called for components using new component APIs.\\n\\n' +\n componentName +\n ' uses ' +\n newApiName +\n ' but also contains the following legacy lifecycles:' +\n (foundWillMountName !== null ? '\\n ' + foundWillMountName : '') +\n (foundWillReceivePropsName !== null\n ? '\\n ' + foundWillReceivePropsName\n : '') +\n (foundWillUpdateName !== null ? '\\n ' + foundWillUpdateName : '') +\n '\\n\\nThe above lifecycles should be removed. Learn more about this warning here:\\n' +\n 'https://fb.me/react-async-component-lifecycle-hooks'\n );\n }\n\n // React <= 16.2 does not support static getDerivedStateFromProps.\n // As a workaround, use cWM and cWRP to invoke the new static lifecycle.\n // Newer versions of React will ignore these lifecycles if gDSFP exists.\n if (typeof Component.getDerivedStateFromProps === 'function') {\n prototype.componentWillMount = componentWillMount;\n prototype.componentWillReceiveProps = componentWillReceiveProps;\n }\n\n // React <= 16.2 does not support getSnapshotBeforeUpdate.\n // As a workaround, use cWU to invoke the new lifecycle.\n // Newer versions of React will ignore that lifecycle if gSBU exists.\n if (typeof prototype.getSnapshotBeforeUpdate === 'function') {\n if (typeof prototype.componentDidUpdate !== 'function') {\n throw new Error(\n 'Cannot polyfill getSnapshotBeforeUpdate() for components that do not define componentDidUpdate() on the prototype'\n );\n }\n\n prototype.componentWillUpdate = componentWillUpdate;\n\n var componentDidUpdate = prototype.componentDidUpdate;\n\n prototype.componentDidUpdate = function componentDidUpdatePolyfill(\n prevProps,\n prevState,\n maybeSnapshot\n ) {\n // 16.3+ will not execute our will-update method;\n // It will pass a snapshot value to did-update though.\n // Older versions will require our polyfilled will-update value.\n // We need to handle both cases, but can't just check for the presence of \"maybeSnapshot\",\n // Because for <= 15.x versions this might be a \"prevContext\" object.\n // We also can't just check \"__reactInternalSnapshot\",\n // Because get-snapshot might return a falsy value.\n // So check for the explicit __reactInternalSnapshotFlag flag to determine behavior.\n var snapshot = this.__reactInternalSnapshotFlag\n ? this.__reactInternalSnapshot\n : maybeSnapshot;\n\n componentDidUpdate.call(this, prevProps, prevState, snapshot);\n };\n }\n\n return Component;\n}\n\nexport { polyfill };\n","'use strict';\nconst mem = require('mem');\nconst mimicFn = require('mimic-fn');\n\nconst memoizedFunctions = new WeakMap();\n\nconst pMemoize = (fn, {cachePromiseRejection = false, ...options} = {}) => {\n\tconst cache = options.cache || new Map();\n\tconst cacheKey = options.cacheKey || (([firstArgument]) => firstArgument);\n\n\tconst memoized = mem(fn, {\n\t\t...options,\n\t\tcache,\n\t\tcacheKey\n\t});\n\n\tconst memoizedAdapter = function (...arguments_) {\n\t\tconst cacheItem = memoized.apply(this, arguments_);\n\n\t\tif (!cachePromiseRejection && cacheItem && cacheItem.catch) {\n\t\t\tcacheItem.catch(() => {\n\t\t\t\tcache.delete(cacheKey(arguments_));\n\t\t\t});\n\t\t}\n\n\t\treturn cacheItem;\n\t};\n\n\tmimicFn(memoizedAdapter, fn);\n\tmemoizedFunctions.set(memoizedAdapter, memoized);\n\n\treturn memoizedAdapter;\n};\n\nmodule.exports = pMemoize;\n\nmodule.exports.clear = memoized => {\n\tif (!memoizedFunctions.has(memoized)) {\n\t\tthrow new Error('Can\\'t clear a function that was not memoized!');\n\t}\n\n\tmem.clear(memoizedFunctions.get(memoized));\n};\n","module.exports = {\n encode: require('./encode.js')\n , decode: require('./decode.js')\n , encodingLength: require('./length.js')\n}\n","\"use strict\";\n\nexports.__esModule = true;\n\nvar _iterator = require(\"../core-js/symbol/iterator\");\n\nvar _iterator2 = _interopRequireDefault(_iterator);\n\nvar _symbol = require(\"../core-js/symbol\");\n\nvar _symbol2 = _interopRequireDefault(_symbol);\n\nvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n} : function (obj) {\n return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n};","var lowerCase = require('lower-case')\n\nvar NON_WORD_REGEXP = require('./vendor/non-word-regexp')\nvar CAMEL_CASE_REGEXP = require('./vendor/camel-case-regexp')\nvar CAMEL_CASE_UPPER_REGEXP = require('./vendor/camel-case-upper-regexp')\n\n/**\n * Sentence case a string.\n *\n * @param {string} str\n * @param {string} locale\n * @param {string} replacement\n * @return {string}\n */\nmodule.exports = function (str, locale, replacement) {\n if (str == null) {\n return ''\n }\n\n replacement = typeof replacement !== 'string' ? ' ' : replacement\n\n function replace (match, index, value) {\n if (index === 0 || index === (value.length - match.length)) {\n return ''\n }\n\n return replacement\n }\n\n str = String(str)\n // Support camel case (\"camelCase\" -> \"camel Case\").\n .replace(CAMEL_CASE_REGEXP, '$1 $2')\n // Support odd camel case (\"CAMELCase\" -> \"CAMEL Case\").\n .replace(CAMEL_CASE_UPPER_REGEXP, '$1 $2')\n // Remove all non-word characters and replace with a single space.\n .replace(NON_WORD_REGEXP, replace)\n\n // Lower case the entire string.\n return lowerCase(str, locale)\n}\n","function calc(m) {\n return function(n) { return Math.round(n * m); };\n};\nmodule.exports = {\n seconds: calc(1e3),\n minutes: calc(6e4),\n hours: calc(36e5),\n days: calc(864e5),\n weeks: calc(6048e5),\n months: calc(26298e5),\n years: calc(315576e5)\n};\n","'use strict';\n\nif (process.env.NODE_ENV === 'production') {\n module.exports = require('./cjs/react-is.production.min.js');\n} else {\n module.exports = require('./cjs/react-is.development.js');\n}\n","import objectWithoutPropertiesLoose from \"@babel/runtime/helpers/esm/objectWithoutPropertiesLoose\";\nexport default function _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n var target = objectWithoutPropertiesLoose(source, excluded);\n var key, i;\n\n if (Object.getOwnPropertySymbols) {\n var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n for (i = 0; i < sourceSymbolKeys.length; i++) {\n key = sourceSymbolKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n target[key] = source[key];\n }\n }\n\n return target;\n}","export default function _objectWithoutPropertiesLoose(source, excluded) {\n if (source == null) return {};\n var target = {};\n var sourceKeys = Object.keys(source);\n var key, i;\n\n for (i = 0; i < sourceKeys.length; i++) {\n key = sourceKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n target[key] = source[key];\n }\n\n return target;\n}","import arrayWithHoles from \"@babel/runtime/helpers/esm/arrayWithHoles\";\nimport iterableToArrayLimit from \"@babel/runtime/helpers/esm/iterableToArrayLimit\";\nimport unsupportedIterableToArray from \"@babel/runtime/helpers/esm/unsupportedIterableToArray\";\nimport nonIterableRest from \"@babel/runtime/helpers/esm/nonIterableRest\";\nexport default function _slicedToArray(arr, i) {\n return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || unsupportedIterableToArray(arr, i) || nonIterableRest();\n}","export default function _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}","export default function _iterableToArrayLimit(arr, i) {\n if (typeof Symbol === \"undefined\" || !(Symbol.iterator in Object(arr))) return;\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"] != null) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n}","export default function _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}","function _defineProperty(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n}\n\nmodule.exports = _defineProperty;","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n ? window : typeof self != 'undefined' && self.Math == Math ? self\n // eslint-disable-next-line no-new-func\n : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n anObject(O);\n P = toPrimitive(P, true);\n anObject(Attributes);\n if (IE8_DOM_DEFINE) try {\n return dP(O, P, Attributes);\n } catch (e) { /* empty */ }\n if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n if ('value' in Attributes) O[P] = Attributes.value;\n return O;\n};\n","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n","'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _typeof2 = require('babel-runtime/helpers/typeof');\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nvar _themes = require('./themes');\n\nvar themes = _interopRequireWildcard(_themes);\n\nvar _base = require('./base');\n\nvar _base2 = _interopRequireDefault(_base);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar styles = Object.keys(themes).reduce(function (styles, themeName) {\n styles[themeName] = (0, _base2.default)(themes[themeName]);\n return styles;\n}, {});\n\nvar createStyles = function createStyles(key, theme) {\n // console.debug(styles, theme, styles[theme])\n if (typeof theme === 'string') {\n return styles[theme][key];\n } else if ((typeof theme === 'undefined' ? 'undefined' : (0, _typeof3.default)(theme)) === 'object') {\n return (0, _base2.default)(theme)[key];\n }\n // Default styles\n return styles['chromeLight'][key];\n};\n\nexports.default = createStyles;","/**\n * Special language-specific overrides.\n *\n * Source: ftp://ftp.unicode.org/Public/UCD/latest/ucd/SpecialCasing.txt\n *\n * @type {Object}\n */\nvar LANGUAGES = {\n tr: {\n regexp: /[\\u0069]/g,\n map: {\n '\\u0069': '\\u0130'\n }\n },\n az: {\n regexp: /[\\u0069]/g,\n map: {\n '\\u0069': '\\u0130'\n }\n },\n lt: {\n regexp: /[\\u0069\\u006A\\u012F]\\u0307|\\u0069\\u0307[\\u0300\\u0301\\u0303]/g,\n map: {\n '\\u0069\\u0307': '\\u0049',\n '\\u006A\\u0307': '\\u004A',\n '\\u012F\\u0307': '\\u012E',\n '\\u0069\\u0307\\u0300': '\\u00CC',\n '\\u0069\\u0307\\u0301': '\\u00CD',\n '\\u0069\\u0307\\u0303': '\\u0128'\n }\n }\n}\n\n/**\n * Upper case a string.\n *\n * @param {String} str\n * @return {String}\n */\nmodule.exports = function (str, locale) {\n var lang = LANGUAGES[locale]\n\n str = str == null ? '' : String(str)\n\n if (lang) {\n str = str.replace(lang.regexp, function (m) { return lang.map[m] })\n }\n\n return str.toUpperCase()\n}\n","// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,\n// backported and transplited with Babel, with backwards-compat fixes\n\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// resolves . and .. elements in a path array with directory names there\n// must be no slashes, empty elements, or device names (c:\\) in the array\n// (so also no leading and trailing slashes - it does not distinguish\n// relative and absolute paths)\nfunction normalizeArray(parts, allowAboveRoot) {\n // if the path tries to go above the root, `up` ends up > 0\n var up = 0;\n for (var i = parts.length - 1; i >= 0; i--) {\n var last = parts[i];\n if (last === '.') {\n parts.splice(i, 1);\n } else if (last === '..') {\n parts.splice(i, 1);\n up++;\n } else if (up) {\n parts.splice(i, 1);\n up--;\n }\n }\n\n // if the path is allowed to go above the root, restore leading ..s\n if (allowAboveRoot) {\n for (; up--; up) {\n parts.unshift('..');\n }\n }\n\n return parts;\n}\n\n// path.resolve([from ...], to)\n// posix version\nexports.resolve = function() {\n var resolvedPath = '',\n resolvedAbsolute = false;\n\n for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {\n var path = (i >= 0) ? arguments[i] : process.cwd();\n\n // Skip empty and invalid entries\n if (typeof path !== 'string') {\n throw new TypeError('Arguments to path.resolve must be strings');\n } else if (!path) {\n continue;\n }\n\n resolvedPath = path + '/' + resolvedPath;\n resolvedAbsolute = path.charAt(0) === '/';\n }\n\n // At this point the path should be resolved to a full absolute path, but\n // handle relative paths to be safe (might happen when process.cwd() fails)\n\n // Normalize the path\n resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {\n return !!p;\n }), !resolvedAbsolute).join('/');\n\n return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';\n};\n\n// path.normalize(path)\n// posix version\nexports.normalize = function(path) {\n var isAbsolute = exports.isAbsolute(path),\n trailingSlash = substr(path, -1) === '/';\n\n // Normalize the path\n path = normalizeArray(filter(path.split('/'), function(p) {\n return !!p;\n }), !isAbsolute).join('/');\n\n if (!path && !isAbsolute) {\n path = '.';\n }\n if (path && trailingSlash) {\n path += '/';\n }\n\n return (isAbsolute ? '/' : '') + path;\n};\n\n// posix version\nexports.isAbsolute = function(path) {\n return path.charAt(0) === '/';\n};\n\n// posix version\nexports.join = function() {\n var paths = Array.prototype.slice.call(arguments, 0);\n return exports.normalize(filter(paths, function(p, index) {\n if (typeof p !== 'string') {\n throw new TypeError('Arguments to path.join must be strings');\n }\n return p;\n }).join('/'));\n};\n\n\n// path.relative(from, to)\n// posix version\nexports.relative = function(from, to) {\n from = exports.resolve(from).substr(1);\n to = exports.resolve(to).substr(1);\n\n function trim(arr) {\n var start = 0;\n for (; start < arr.length; start++) {\n if (arr[start] !== '') break;\n }\n\n var end = arr.length - 1;\n for (; end >= 0; end--) {\n if (arr[end] !== '') break;\n }\n\n if (start > end) return [];\n return arr.slice(start, end - start + 1);\n }\n\n var fromParts = trim(from.split('/'));\n var toParts = trim(to.split('/'));\n\n var length = Math.min(fromParts.length, toParts.length);\n var samePartsLength = length;\n for (var i = 0; i < length; i++) {\n if (fromParts[i] !== toParts[i]) {\n samePartsLength = i;\n break;\n }\n }\n\n var outputParts = [];\n for (var i = samePartsLength; i < fromParts.length; i++) {\n outputParts.push('..');\n }\n\n outputParts = outputParts.concat(toParts.slice(samePartsLength));\n\n return outputParts.join('/');\n};\n\nexports.sep = '/';\nexports.delimiter = ':';\n\nexports.dirname = function (path) {\n if (typeof path !== 'string') path = path + '';\n if (path.length === 0) return '.';\n var code = path.charCodeAt(0);\n var hasRoot = code === 47 /*/*/;\n var end = -1;\n var matchedSlash = true;\n for (var i = path.length - 1; i >= 1; --i) {\n code = path.charCodeAt(i);\n if (code === 47 /*/*/) {\n if (!matchedSlash) {\n end = i;\n break;\n }\n } else {\n // We saw the first non-path separator\n matchedSlash = false;\n }\n }\n\n if (end === -1) return hasRoot ? '/' : '.';\n if (hasRoot && end === 1) {\n // return '//';\n // Backwards-compat fix:\n return '/';\n }\n return path.slice(0, end);\n};\n\nfunction basename(path) {\n if (typeof path !== 'string') path = path + '';\n\n var start = 0;\n var end = -1;\n var matchedSlash = true;\n var i;\n\n for (i = path.length - 1; i >= 0; --i) {\n if (path.charCodeAt(i) === 47 /*/*/) {\n // If we reached a path separator that was not part of a set of path\n // separators at the end of the string, stop now\n if (!matchedSlash) {\n start = i + 1;\n break;\n }\n } else if (end === -1) {\n // We saw the first non-path separator, mark this as the end of our\n // path component\n matchedSlash = false;\n end = i + 1;\n }\n }\n\n if (end === -1) return '';\n return path.slice(start, end);\n}\n\n// Uses a mixed approach for backwards-compatibility, as ext behavior changed\n// in new Node.js versions, so only basename() above is backported here\nexports.basename = function (path, ext) {\n var f = basename(path);\n if (ext && f.substr(-1 * ext.length) === ext) {\n f = f.substr(0, f.length - ext.length);\n }\n return f;\n};\n\nexports.extname = function (path) {\n if (typeof path !== 'string') path = path + '';\n var startDot = -1;\n var startPart = 0;\n var end = -1;\n var matchedSlash = true;\n // Track the state of characters (if any) we see before our first dot and\n // after any path separator we find\n var preDotState = 0;\n for (var i = path.length - 1; i >= 0; --i) {\n var code = path.charCodeAt(i);\n if (code === 47 /*/*/) {\n // If we reached a path separator that was not part of a set of path\n // separators at the end of the string, stop now\n if (!matchedSlash) {\n startPart = i + 1;\n break;\n }\n continue;\n }\n if (end === -1) {\n // We saw the first non-path separator, mark this as the end of our\n // extension\n matchedSlash = false;\n end = i + 1;\n }\n if (code === 46 /*.*/) {\n // If this is our first dot, mark it as the start of our extension\n if (startDot === -1)\n startDot = i;\n else if (preDotState !== 1)\n preDotState = 1;\n } else if (startDot !== -1) {\n // We saw a non-dot and non-path separator before our dot, so we should\n // have a good chance at having a non-empty extension\n preDotState = -1;\n }\n }\n\n if (startDot === -1 || end === -1 ||\n // We saw a non-dot character immediately before the dot\n preDotState === 0 ||\n // The (right-most) trimmed path component is exactly '..'\n preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {\n return '';\n }\n return path.slice(startDot, end);\n};\n\nfunction filter (xs, f) {\n if (xs.filter) return xs.filter(f);\n var res = [];\n for (var i = 0; i < xs.length; i++) {\n if (f(xs[i], i, xs)) res.push(xs[i]);\n }\n return res;\n}\n\n// String.prototype.substr - negative index don't work in IE8\nvar substr = 'ab'.substr(-1) === 'b'\n ? function (str, start, len) { return str.substr(start, len) }\n : function (str, start, len) {\n if (start < 0) start = str.length + start;\n return str.substr(start, len);\n }\n;\n","function _defineProperty(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n}\n\nmodule.exports = _defineProperty;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","import AwaitValue from \"@babel/runtime/helpers/esm/AwaitValue\";\nexport default function AsyncGenerator(gen) {\n var front, back;\n\n function send(key, arg) {\n return new Promise(function (resolve, reject) {\n var request = {\n key: key,\n arg: arg,\n resolve: resolve,\n reject: reject,\n next: null\n };\n\n if (back) {\n back = back.next = request;\n } else {\n front = back = request;\n resume(key, arg);\n }\n });\n }\n\n function resume(key, arg) {\n try {\n var result = gen[key](arg);\n var value = result.value;\n var wrappedAwait = value instanceof AwaitValue;\n Promise.resolve(wrappedAwait ? value.wrapped : value).then(function (arg) {\n if (wrappedAwait) {\n resume(key === \"return\" ? \"return\" : \"next\", arg);\n return;\n }\n\n settle(result.done ? \"return\" : \"normal\", arg);\n }, function (err) {\n resume(\"throw\", err);\n });\n } catch (err) {\n settle(\"throw\", err);\n }\n }\n\n function settle(type, value) {\n switch (type) {\n case \"return\":\n front.resolve({\n value: value,\n done: true\n });\n break;\n\n case \"throw\":\n front.reject(value);\n break;\n\n default:\n front.resolve({\n value: value,\n done: false\n });\n break;\n }\n\n front = front.next;\n\n if (front) {\n resume(front.key, front.arg);\n } else {\n back = null;\n }\n }\n\n this._invoke = send;\n\n if (typeof gen[\"return\"] !== \"function\") {\n this[\"return\"] = undefined;\n }\n}\n\nif (typeof Symbol === \"function\" && Symbol.asyncIterator) {\n AsyncGenerator.prototype[Symbol.asyncIterator] = function () {\n return this;\n };\n}\n\nAsyncGenerator.prototype.next = function (arg) {\n return this._invoke(\"next\", arg);\n};\n\nAsyncGenerator.prototype[\"throw\"] = function (arg) {\n return this._invoke(\"throw\", arg);\n};\n\nAsyncGenerator.prototype[\"return\"] = function (arg) {\n return this._invoke(\"return\", arg);\n};","import AsyncGenerator from \"@babel/runtime/helpers/esm/AsyncGenerator\";\nexport default function _wrapAsyncGenerator(fn) {\n return function () {\n return new AsyncGenerator(fn.apply(this, arguments));\n };\n}","export default function _asyncIterator(iterable) {\n var method;\n\n if (typeof Symbol !== \"undefined\") {\n if (Symbol.asyncIterator) {\n method = iterable[Symbol.asyncIterator];\n if (method != null) return method.call(iterable);\n }\n\n if (Symbol.iterator) {\n method = iterable[Symbol.iterator];\n if (method != null) return method.call(iterable);\n }\n }\n\n throw new TypeError(\"Object is not async iterable\");\n}","var setPrototypeOf = require(\"./setPrototypeOf\");\n\nfunction _inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n writable: true,\n configurable: true\n }\n });\n if (superClass) setPrototypeOf(subClass, superClass);\n}\n\nmodule.exports = _inherits;","var getPrototypeOf = require(\"./getPrototypeOf\");\n\nvar isNativeReflectConstruct = require(\"./isNativeReflectConstruct\");\n\nvar possibleConstructorReturn = require(\"./possibleConstructorReturn\");\n\nfunction _createSuper(Derived) {\n var hasNativeReflectConstruct = isNativeReflectConstruct();\n return function _createSuperInternal() {\n var Super = getPrototypeOf(Derived),\n result;\n\n if (hasNativeReflectConstruct) {\n var NewTarget = getPrototypeOf(this).constructor;\n result = Reflect.construct(Super, arguments, NewTarget);\n } else {\n result = Super.apply(this, arguments);\n }\n\n return possibleConstructorReturn(this, result);\n };\n}\n\nmodule.exports = _createSuper;","\"use strict\"\n\nexports.TextEncoder = TextEncoder\nexports.TextDecoder = TextDecoder\n","'use strict'\n\nconst { encoding: getCodec } = require('multibase')\nconst { TextEncoder } = require('web-encoding')\nconst utf8Encoder = new TextEncoder()\n\n/**\n * @typedef {import('multibase/src/types').BaseName} BaseName\n */\n\n/**\n * Interprets each character in a string as a byte and\n * returns a Uint8Array of those bytes.\n *\n * @param {string} string - The string to turn into an array\n */\nfunction asciiStringToUint8Array (string) {\n const array = new Uint8Array(string.length)\n\n for (let i = 0; i < string.length; i++) {\n array[i] = string.charCodeAt(i)\n }\n\n return array\n}\n\n/**\n * Create a `Uint8Array` from the passed string\n *\n * Supports `utf8`, `utf-8` and any encoding supported by the multibase module.\n *\n * Also `ascii` which is similar to node's 'binary' encoding.\n *\n * @param {string} string\n * @param {BaseName | 'utf8' | 'utf-8' | 'ascii'} [encoding=utf8] - utf8, base16, base64, base64urlpad, etc\n * @returns {Uint8Array}\n */\nfunction fromString (string, encoding = 'utf8') {\n if (encoding === 'utf8' || encoding === 'utf-8') {\n return utf8Encoder.encode(string)\n }\n\n if (encoding === 'ascii') {\n return asciiStringToUint8Array(string)\n }\n\n return getCodec(encoding).decode(string)\n}\n\nmodule.exports = fromString\n",";(function (globalObject) {\r\n 'use strict';\r\n\r\n/*\r\n * bignumber.js v9.0.1\r\n * A JavaScript library for arbitrary-precision arithmetic.\r\n * https://github.com/MikeMcl/bignumber.js\r\n * Copyright (c) 2020 Michael Mclaughlin \r\n * MIT Licensed.\r\n *\r\n * BigNumber.prototype methods | BigNumber methods\r\n * |\r\n * absoluteValue abs | clone\r\n * comparedTo | config set\r\n * decimalPlaces dp | DECIMAL_PLACES\r\n * dividedBy div | ROUNDING_MODE\r\n * dividedToIntegerBy idiv | EXPONENTIAL_AT\r\n * exponentiatedBy pow | RANGE\r\n * integerValue | CRYPTO\r\n * isEqualTo eq | MODULO_MODE\r\n * isFinite | POW_PRECISION\r\n * isGreaterThan gt | FORMAT\r\n * isGreaterThanOrEqualTo gte | ALPHABET\r\n * isInteger | isBigNumber\r\n * isLessThan lt | maximum max\r\n * isLessThanOrEqualTo lte | minimum min\r\n * isNaN | random\r\n * isNegative | sum\r\n * isPositive |\r\n * isZero |\r\n * minus |\r\n * modulo mod |\r\n * multipliedBy times |\r\n * negated |\r\n * plus |\r\n * precision sd |\r\n * shiftedBy |\r\n * squareRoot sqrt |\r\n * toExponential |\r\n * toFixed |\r\n * toFormat |\r\n * toFraction |\r\n * toJSON |\r\n * toNumber |\r\n * toPrecision |\r\n * toString |\r\n * valueOf |\r\n *\r\n */\r\n\r\n\r\n var BigNumber,\r\n isNumeric = /^-?(?:\\d+(?:\\.\\d*)?|\\.\\d+)(?:e[+-]?\\d+)?$/i,\r\n mathceil = Math.ceil,\r\n mathfloor = Math.floor,\r\n\r\n bignumberError = '[BigNumber Error] ',\r\n tooManyDigits = bignumberError + 'Number primitive has more than 15 significant digits: ',\r\n\r\n BASE = 1e14,\r\n LOG_BASE = 14,\r\n MAX_SAFE_INTEGER = 0x1fffffffffffff, // 2^53 - 1\r\n // MAX_INT32 = 0x7fffffff, // 2^31 - 1\r\n POWS_TEN = [1, 10, 100, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13],\r\n SQRT_BASE = 1e7,\r\n\r\n // EDITABLE\r\n // The limit on the value of DECIMAL_PLACES, TO_EXP_NEG, TO_EXP_POS, MIN_EXP, MAX_EXP, and\r\n // the arguments to toExponential, toFixed, toFormat, and toPrecision.\r\n MAX = 1E9; // 0 to MAX_INT32\r\n\r\n\r\n /*\r\n * Create and return a BigNumber constructor.\r\n */\r\n function clone(configObject) {\r\n var div, convertBase, parseNumeric,\r\n P = BigNumber.prototype = { constructor: BigNumber, toString: null, valueOf: null },\r\n ONE = new BigNumber(1),\r\n\r\n\r\n //----------------------------- EDITABLE CONFIG DEFAULTS -------------------------------\r\n\r\n\r\n // The default values below must be integers within the inclusive ranges stated.\r\n // The values can also be changed at run-time using BigNumber.set.\r\n\r\n // The maximum number of decimal places for operations involving division.\r\n DECIMAL_PLACES = 20, // 0 to MAX\r\n\r\n // The rounding mode used when rounding to the above decimal places, and when using\r\n // toExponential, toFixed, toFormat and toPrecision, and round (default value).\r\n // UP 0 Away from zero.\r\n // DOWN 1 Towards zero.\r\n // CEIL 2 Towards +Infinity.\r\n // FLOOR 3 Towards -Infinity.\r\n // HALF_UP 4 Towards nearest neighbour. If equidistant, up.\r\n // HALF_DOWN 5 Towards nearest neighbour. If equidistant, down.\r\n // HALF_EVEN 6 Towards nearest neighbour. If equidistant, towards even neighbour.\r\n // HALF_CEIL 7 Towards nearest neighbour. If equidistant, towards +Infinity.\r\n // HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity.\r\n ROUNDING_MODE = 4, // 0 to 8\r\n\r\n // EXPONENTIAL_AT : [TO_EXP_NEG , TO_EXP_POS]\r\n\r\n // The exponent value at and beneath which toString returns exponential notation.\r\n // Number type: -7\r\n TO_EXP_NEG = -7, // 0 to -MAX\r\n\r\n // The exponent value at and above which toString returns exponential notation.\r\n // Number type: 21\r\n TO_EXP_POS = 21, // 0 to MAX\r\n\r\n // RANGE : [MIN_EXP, MAX_EXP]\r\n\r\n // The minimum exponent value, beneath which underflow to zero occurs.\r\n // Number type: -324 (5e-324)\r\n MIN_EXP = -1e7, // -1 to -MAX\r\n\r\n // The maximum exponent value, above which overflow to Infinity occurs.\r\n // Number type: 308 (1.7976931348623157e+308)\r\n // For MAX_EXP > 1e7, e.g. new BigNumber('1e100000000').plus(1) may be slow.\r\n MAX_EXP = 1e7, // 1 to MAX\r\n\r\n // Whether to use cryptographically-secure random number generation, if available.\r\n CRYPTO = false, // true or false\r\n\r\n // The modulo mode used when calculating the modulus: a mod n.\r\n // The quotient (q = a / n) is calculated according to the corresponding rounding mode.\r\n // The remainder (r) is calculated as: r = a - n * q.\r\n //\r\n // UP 0 The remainder is positive if the dividend is negative, else is negative.\r\n // DOWN 1 The remainder has the same sign as the dividend.\r\n // This modulo mode is commonly known as 'truncated division' and is\r\n // equivalent to (a % n) in JavaScript.\r\n // FLOOR 3 The remainder has the same sign as the divisor (Python %).\r\n // HALF_EVEN 6 This modulo mode implements the IEEE 754 remainder function.\r\n // EUCLID 9 Euclidian division. q = sign(n) * floor(a / abs(n)).\r\n // The remainder is always positive.\r\n //\r\n // The truncated division, floored division, Euclidian division and IEEE 754 remainder\r\n // modes are commonly used for the modulus operation.\r\n // Although the other rounding modes can also be used, they may not give useful results.\r\n MODULO_MODE = 1, // 0 to 9\r\n\r\n // The maximum number of significant digits of the result of the exponentiatedBy operation.\r\n // If POW_PRECISION is 0, there will be unlimited significant digits.\r\n POW_PRECISION = 0, // 0 to MAX\r\n\r\n // The format specification used by the BigNumber.prototype.toFormat method.\r\n FORMAT = {\r\n prefix: '',\r\n groupSize: 3,\r\n secondaryGroupSize: 0,\r\n groupSeparator: ',',\r\n decimalSeparator: '.',\r\n fractionGroupSize: 0,\r\n fractionGroupSeparator: '\\xA0', // non-breaking space\r\n suffix: ''\r\n },\r\n\r\n // The alphabet used for base conversion. It must be at least 2 characters long, with no '+',\r\n // '-', '.', whitespace, or repeated character.\r\n // '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_'\r\n ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyz';\r\n\r\n\r\n //------------------------------------------------------------------------------------------\r\n\r\n\r\n // CONSTRUCTOR\r\n\r\n\r\n /*\r\n * The BigNumber constructor and exported function.\r\n * Create and return a new instance of a BigNumber object.\r\n *\r\n * v {number|string|BigNumber} A numeric value.\r\n * [b] {number} The base of v. Integer, 2 to ALPHABET.length inclusive.\r\n */\r\n function BigNumber(v, b) {\r\n var alphabet, c, caseChanged, e, i, isNum, len, str,\r\n x = this;\r\n\r\n // Enable constructor call without `new`.\r\n if (!(x instanceof BigNumber)) return new BigNumber(v, b);\r\n\r\n if (b == null) {\r\n\r\n if (v && v._isBigNumber === true) {\r\n x.s = v.s;\r\n\r\n if (!v.c || v.e > MAX_EXP) {\r\n x.c = x.e = null;\r\n } else if (v.e < MIN_EXP) {\r\n x.c = [x.e = 0];\r\n } else {\r\n x.e = v.e;\r\n x.c = v.c.slice();\r\n }\r\n\r\n return;\r\n }\r\n\r\n if ((isNum = typeof v == 'number') && v * 0 == 0) {\r\n\r\n // Use `1 / n` to handle minus zero also.\r\n x.s = 1 / v < 0 ? (v = -v, -1) : 1;\r\n\r\n // Fast path for integers, where n < 2147483648 (2**31).\r\n if (v === ~~v) {\r\n for (e = 0, i = v; i >= 10; i /= 10, e++);\r\n\r\n if (e > MAX_EXP) {\r\n x.c = x.e = null;\r\n } else {\r\n x.e = e;\r\n x.c = [v];\r\n }\r\n\r\n return;\r\n }\r\n\r\n str = String(v);\r\n } else {\r\n\r\n if (!isNumeric.test(str = String(v))) return parseNumeric(x, str, isNum);\r\n\r\n x.s = str.charCodeAt(0) == 45 ? (str = str.slice(1), -1) : 1;\r\n }\r\n\r\n // Decimal point?\r\n if ((e = str.indexOf('.')) > -1) str = str.replace('.', '');\r\n\r\n // Exponential form?\r\n if ((i = str.search(/e/i)) > 0) {\r\n\r\n // Determine exponent.\r\n if (e < 0) e = i;\r\n e += +str.slice(i + 1);\r\n str = str.substring(0, i);\r\n } else if (e < 0) {\r\n\r\n // Integer.\r\n e = str.length;\r\n }\r\n\r\n } else {\r\n\r\n // '[BigNumber Error] Base {not a primitive number|not an integer|out of range}: {b}'\r\n intCheck(b, 2, ALPHABET.length, 'Base');\r\n\r\n // Allow exponential notation to be used with base 10 argument, while\r\n // also rounding to DECIMAL_PLACES as with other bases.\r\n if (b == 10) {\r\n x = new BigNumber(v);\r\n return round(x, DECIMAL_PLACES + x.e + 1, ROUNDING_MODE);\r\n }\r\n\r\n str = String(v);\r\n\r\n if (isNum = typeof v == 'number') {\r\n\r\n // Avoid potential interpretation of Infinity and NaN as base 44+ values.\r\n if (v * 0 != 0) return parseNumeric(x, str, isNum, b);\r\n\r\n x.s = 1 / v < 0 ? (str = str.slice(1), -1) : 1;\r\n\r\n // '[BigNumber Error] Number primitive has more than 15 significant digits: {n}'\r\n if (BigNumber.DEBUG && str.replace(/^0\\.0*|\\./, '').length > 15) {\r\n throw Error\r\n (tooManyDigits + v);\r\n }\r\n } else {\r\n x.s = str.charCodeAt(0) === 45 ? (str = str.slice(1), -1) : 1;\r\n }\r\n\r\n alphabet = ALPHABET.slice(0, b);\r\n e = i = 0;\r\n\r\n // Check that str is a valid base b number.\r\n // Don't use RegExp, so alphabet can contain special characters.\r\n for (len = str.length; i < len; i++) {\r\n if (alphabet.indexOf(c = str.charAt(i)) < 0) {\r\n if (c == '.') {\r\n\r\n // If '.' is not the first character and it has not be found before.\r\n if (i > e) {\r\n e = len;\r\n continue;\r\n }\r\n } else if (!caseChanged) {\r\n\r\n // Allow e.g. hexadecimal 'FF' as well as 'ff'.\r\n if (str == str.toUpperCase() && (str = str.toLowerCase()) ||\r\n str == str.toLowerCase() && (str = str.toUpperCase())) {\r\n caseChanged = true;\r\n i = -1;\r\n e = 0;\r\n continue;\r\n }\r\n }\r\n\r\n return parseNumeric(x, String(v), isNum, b);\r\n }\r\n }\r\n\r\n // Prevent later check for length on converted number.\r\n isNum = false;\r\n str = convertBase(str, b, 10, x.s);\r\n\r\n // Decimal point?\r\n if ((e = str.indexOf('.')) > -1) str = str.replace('.', '');\r\n else e = str.length;\r\n }\r\n\r\n // Determine leading zeros.\r\n for (i = 0; str.charCodeAt(i) === 48; i++);\r\n\r\n // Determine trailing zeros.\r\n for (len = str.length; str.charCodeAt(--len) === 48;);\r\n\r\n if (str = str.slice(i, ++len)) {\r\n len -= i;\r\n\r\n // '[BigNumber Error] Number primitive has more than 15 significant digits: {n}'\r\n if (isNum && BigNumber.DEBUG &&\r\n len > 15 && (v > MAX_SAFE_INTEGER || v !== mathfloor(v))) {\r\n throw Error\r\n (tooManyDigits + (x.s * v));\r\n }\r\n\r\n // Overflow?\r\n if ((e = e - i - 1) > MAX_EXP) {\r\n\r\n // Infinity.\r\n x.c = x.e = null;\r\n\r\n // Underflow?\r\n } else if (e < MIN_EXP) {\r\n\r\n // Zero.\r\n x.c = [x.e = 0];\r\n } else {\r\n x.e = e;\r\n x.c = [];\r\n\r\n // Transform base\r\n\r\n // e is the base 10 exponent.\r\n // i is where to slice str to get the first element of the coefficient array.\r\n i = (e + 1) % LOG_BASE;\r\n if (e < 0) i += LOG_BASE; // i < 1\r\n\r\n if (i < len) {\r\n if (i) x.c.push(+str.slice(0, i));\r\n\r\n for (len -= LOG_BASE; i < len;) {\r\n x.c.push(+str.slice(i, i += LOG_BASE));\r\n }\r\n\r\n i = LOG_BASE - (str = str.slice(i)).length;\r\n } else {\r\n i -= len;\r\n }\r\n\r\n for (; i--; str += '0');\r\n x.c.push(+str);\r\n }\r\n } else {\r\n\r\n // Zero.\r\n x.c = [x.e = 0];\r\n }\r\n }\r\n\r\n\r\n // CONSTRUCTOR PROPERTIES\r\n\r\n\r\n BigNumber.clone = clone;\r\n\r\n BigNumber.ROUND_UP = 0;\r\n BigNumber.ROUND_DOWN = 1;\r\n BigNumber.ROUND_CEIL = 2;\r\n BigNumber.ROUND_FLOOR = 3;\r\n BigNumber.ROUND_HALF_UP = 4;\r\n BigNumber.ROUND_HALF_DOWN = 5;\r\n BigNumber.ROUND_HALF_EVEN = 6;\r\n BigNumber.ROUND_HALF_CEIL = 7;\r\n BigNumber.ROUND_HALF_FLOOR = 8;\r\n BigNumber.EUCLID = 9;\r\n\r\n\r\n /*\r\n * Configure infrequently-changing library-wide settings.\r\n *\r\n * Accept an object with the following optional properties (if the value of a property is\r\n * a number, it must be an integer within the inclusive range stated):\r\n *\r\n * DECIMAL_PLACES {number} 0 to MAX\r\n * ROUNDING_MODE {number} 0 to 8\r\n * EXPONENTIAL_AT {number|number[]} -MAX to MAX or [-MAX to 0, 0 to MAX]\r\n * RANGE {number|number[]} -MAX to MAX (not zero) or [-MAX to -1, 1 to MAX]\r\n * CRYPTO {boolean} true or false\r\n * MODULO_MODE {number} 0 to 9\r\n * POW_PRECISION {number} 0 to MAX\r\n * ALPHABET {string} A string of two or more unique characters which does\r\n * not contain '.'.\r\n * FORMAT {object} An object with some of the following properties:\r\n * prefix {string}\r\n * groupSize {number}\r\n * secondaryGroupSize {number}\r\n * groupSeparator {string}\r\n * decimalSeparator {string}\r\n * fractionGroupSize {number}\r\n * fractionGroupSeparator {string}\r\n * suffix {string}\r\n *\r\n * (The values assigned to the above FORMAT object properties are not checked for validity.)\r\n *\r\n * E.g.\r\n * BigNumber.config({ DECIMAL_PLACES : 20, ROUNDING_MODE : 4 })\r\n *\r\n * Ignore properties/parameters set to null or undefined, except for ALPHABET.\r\n *\r\n * Return an object with the properties current values.\r\n */\r\n BigNumber.config = BigNumber.set = function (obj) {\r\n var p, v;\r\n\r\n if (obj != null) {\r\n\r\n if (typeof obj == 'object') {\r\n\r\n // DECIMAL_PLACES {number} Integer, 0 to MAX inclusive.\r\n // '[BigNumber Error] DECIMAL_PLACES {not a primitive number|not an integer|out of range}: {v}'\r\n if (obj.hasOwnProperty(p = 'DECIMAL_PLACES')) {\r\n v = obj[p];\r\n intCheck(v, 0, MAX, p);\r\n DECIMAL_PLACES = v;\r\n }\r\n\r\n // ROUNDING_MODE {number} Integer, 0 to 8 inclusive.\r\n // '[BigNumber Error] ROUNDING_MODE {not a primitive number|not an integer|out of range}: {v}'\r\n if (obj.hasOwnProperty(p = 'ROUNDING_MODE')) {\r\n v = obj[p];\r\n intCheck(v, 0, 8, p);\r\n ROUNDING_MODE = v;\r\n }\r\n\r\n // EXPONENTIAL_AT {number|number[]}\r\n // Integer, -MAX to MAX inclusive or\r\n // [integer -MAX to 0 inclusive, 0 to MAX inclusive].\r\n // '[BigNumber Error] EXPONENTIAL_AT {not a primitive number|not an integer|out of range}: {v}'\r\n if (obj.hasOwnProperty(p = 'EXPONENTIAL_AT')) {\r\n v = obj[p];\r\n if (v && v.pop) {\r\n intCheck(v[0], -MAX, 0, p);\r\n intCheck(v[1], 0, MAX, p);\r\n TO_EXP_NEG = v[0];\r\n TO_EXP_POS = v[1];\r\n } else {\r\n intCheck(v, -MAX, MAX, p);\r\n TO_EXP_NEG = -(TO_EXP_POS = v < 0 ? -v : v);\r\n }\r\n }\r\n\r\n // RANGE {number|number[]} Non-zero integer, -MAX to MAX inclusive or\r\n // [integer -MAX to -1 inclusive, integer 1 to MAX inclusive].\r\n // '[BigNumber Error] RANGE {not a primitive number|not an integer|out of range|cannot be zero}: {v}'\r\n if (obj.hasOwnProperty(p = 'RANGE')) {\r\n v = obj[p];\r\n if (v && v.pop) {\r\n intCheck(v[0], -MAX, -1, p);\r\n intCheck(v[1], 1, MAX, p);\r\n MIN_EXP = v[0];\r\n MAX_EXP = v[1];\r\n } else {\r\n intCheck(v, -MAX, MAX, p);\r\n if (v) {\r\n MIN_EXP = -(MAX_EXP = v < 0 ? -v : v);\r\n } else {\r\n throw Error\r\n (bignumberError + p + ' cannot be zero: ' + v);\r\n }\r\n }\r\n }\r\n\r\n // CRYPTO {boolean} true or false.\r\n // '[BigNumber Error] CRYPTO not true or false: {v}'\r\n // '[BigNumber Error] crypto unavailable'\r\n if (obj.hasOwnProperty(p = 'CRYPTO')) {\r\n v = obj[p];\r\n if (v === !!v) {\r\n if (v) {\r\n if (typeof crypto != 'undefined' && crypto &&\r\n (crypto.getRandomValues || crypto.randomBytes)) {\r\n CRYPTO = v;\r\n } else {\r\n CRYPTO = !v;\r\n throw Error\r\n (bignumberError + 'crypto unavailable');\r\n }\r\n } else {\r\n CRYPTO = v;\r\n }\r\n } else {\r\n throw Error\r\n (bignumberError + p + ' not true or false: ' + v);\r\n }\r\n }\r\n\r\n // MODULO_MODE {number} Integer, 0 to 9 inclusive.\r\n // '[BigNumber Error] MODULO_MODE {not a primitive number|not an integer|out of range}: {v}'\r\n if (obj.hasOwnProperty(p = 'MODULO_MODE')) {\r\n v = obj[p];\r\n intCheck(v, 0, 9, p);\r\n MODULO_MODE = v;\r\n }\r\n\r\n // POW_PRECISION {number} Integer, 0 to MAX inclusive.\r\n // '[BigNumber Error] POW_PRECISION {not a primitive number|not an integer|out of range}: {v}'\r\n if (obj.hasOwnProperty(p = 'POW_PRECISION')) {\r\n v = obj[p];\r\n intCheck(v, 0, MAX, p);\r\n POW_PRECISION = v;\r\n }\r\n\r\n // FORMAT {object}\r\n // '[BigNumber Error] FORMAT not an object: {v}'\r\n if (obj.hasOwnProperty(p = 'FORMAT')) {\r\n v = obj[p];\r\n if (typeof v == 'object') FORMAT = v;\r\n else throw Error\r\n (bignumberError + p + ' not an object: ' + v);\r\n }\r\n\r\n // ALPHABET {string}\r\n // '[BigNumber Error] ALPHABET invalid: {v}'\r\n if (obj.hasOwnProperty(p = 'ALPHABET')) {\r\n v = obj[p];\r\n\r\n // Disallow if less than two characters,\r\n // or if it contains '+', '-', '.', whitespace, or a repeated character.\r\n if (typeof v == 'string' && !/^.?$|[+\\-.\\s]|(.).*\\1/.test(v)) {\r\n ALPHABET = v;\r\n } else {\r\n throw Error\r\n (bignumberError + p + ' invalid: ' + v);\r\n }\r\n }\r\n\r\n } else {\r\n\r\n // '[BigNumber Error] Object expected: {v}'\r\n throw Error\r\n (bignumberError + 'Object expected: ' + obj);\r\n }\r\n }\r\n\r\n return {\r\n DECIMAL_PLACES: DECIMAL_PLACES,\r\n ROUNDING_MODE: ROUNDING_MODE,\r\n EXPONENTIAL_AT: [TO_EXP_NEG, TO_EXP_POS],\r\n RANGE: [MIN_EXP, MAX_EXP],\r\n CRYPTO: CRYPTO,\r\n MODULO_MODE: MODULO_MODE,\r\n POW_PRECISION: POW_PRECISION,\r\n FORMAT: FORMAT,\r\n ALPHABET: ALPHABET\r\n };\r\n };\r\n\r\n\r\n /*\r\n * Return true if v is a BigNumber instance, otherwise return false.\r\n *\r\n * If BigNumber.DEBUG is true, throw if a BigNumber instance is not well-formed.\r\n *\r\n * v {any}\r\n *\r\n * '[BigNumber Error] Invalid BigNumber: {v}'\r\n */\r\n BigNumber.isBigNumber = function (v) {\r\n if (!v || v._isBigNumber !== true) return false;\r\n if (!BigNumber.DEBUG) return true;\r\n\r\n var i, n,\r\n c = v.c,\r\n e = v.e,\r\n s = v.s;\r\n\r\n out: if ({}.toString.call(c) == '[object Array]') {\r\n\r\n if ((s === 1 || s === -1) && e >= -MAX && e <= MAX && e === mathfloor(e)) {\r\n\r\n // If the first element is zero, the BigNumber value must be zero.\r\n if (c[0] === 0) {\r\n if (e === 0 && c.length === 1) return true;\r\n break out;\r\n }\r\n\r\n // Calculate number of digits that c[0] should have, based on the exponent.\r\n i = (e + 1) % LOG_BASE;\r\n if (i < 1) i += LOG_BASE;\r\n\r\n // Calculate number of digits of c[0].\r\n //if (Math.ceil(Math.log(c[0] + 1) / Math.LN10) == i) {\r\n if (String(c[0]).length == i) {\r\n\r\n for (i = 0; i < c.length; i++) {\r\n n = c[i];\r\n if (n < 0 || n >= BASE || n !== mathfloor(n)) break out;\r\n }\r\n\r\n // Last element cannot be zero, unless it is the only element.\r\n if (n !== 0) return true;\r\n }\r\n }\r\n\r\n // Infinity/NaN\r\n } else if (c === null && e === null && (s === null || s === 1 || s === -1)) {\r\n return true;\r\n }\r\n\r\n throw Error\r\n (bignumberError + 'Invalid BigNumber: ' + v);\r\n };\r\n\r\n\r\n /*\r\n * Return a new BigNumber whose value is the maximum of the arguments.\r\n *\r\n * arguments {number|string|BigNumber}\r\n */\r\n BigNumber.maximum = BigNumber.max = function () {\r\n return maxOrMin(arguments, P.lt);\r\n };\r\n\r\n\r\n /*\r\n * Return a new BigNumber whose value is the minimum of the arguments.\r\n *\r\n * arguments {number|string|BigNumber}\r\n */\r\n BigNumber.minimum = BigNumber.min = function () {\r\n return maxOrMin(arguments, P.gt);\r\n };\r\n\r\n\r\n /*\r\n * Return a new BigNumber with a random value equal to or greater than 0 and less than 1,\r\n * and with dp, or DECIMAL_PLACES if dp is omitted, decimal places (or less if trailing\r\n * zeros are produced).\r\n *\r\n * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp}'\r\n * '[BigNumber Error] crypto unavailable'\r\n */\r\n BigNumber.random = (function () {\r\n var pow2_53 = 0x20000000000000;\r\n\r\n // Return a 53 bit integer n, where 0 <= n < 9007199254740992.\r\n // Check if Math.random() produces more than 32 bits of randomness.\r\n // If it does, assume at least 53 bits are produced, otherwise assume at least 30 bits.\r\n // 0x40000000 is 2^30, 0x800000 is 2^23, 0x1fffff is 2^21 - 1.\r\n var random53bitInt = (Math.random() * pow2_53) & 0x1fffff\r\n ? function () { return mathfloor(Math.random() * pow2_53); }\r\n : function () { return ((Math.random() * 0x40000000 | 0) * 0x800000) +\r\n (Math.random() * 0x800000 | 0); };\r\n\r\n return function (dp) {\r\n var a, b, e, k, v,\r\n i = 0,\r\n c = [],\r\n rand = new BigNumber(ONE);\r\n\r\n if (dp == null) dp = DECIMAL_PLACES;\r\n else intCheck(dp, 0, MAX);\r\n\r\n k = mathceil(dp / LOG_BASE);\r\n\r\n if (CRYPTO) {\r\n\r\n // Browsers supporting crypto.getRandomValues.\r\n if (crypto.getRandomValues) {\r\n\r\n a = crypto.getRandomValues(new Uint32Array(k *= 2));\r\n\r\n for (; i < k;) {\r\n\r\n // 53 bits:\r\n // ((Math.pow(2, 32) - 1) * Math.pow(2, 21)).toString(2)\r\n // 11111 11111111 11111111 11111111 11100000 00000000 00000000\r\n // ((Math.pow(2, 32) - 1) >>> 11).toString(2)\r\n // 11111 11111111 11111111\r\n // 0x20000 is 2^21.\r\n v = a[i] * 0x20000 + (a[i + 1] >>> 11);\r\n\r\n // Rejection sampling:\r\n // 0 <= v < 9007199254740992\r\n // Probability that v >= 9e15, is\r\n // 7199254740992 / 9007199254740992 ~= 0.0008, i.e. 1 in 1251\r\n if (v >= 9e15) {\r\n b = crypto.getRandomValues(new Uint32Array(2));\r\n a[i] = b[0];\r\n a[i + 1] = b[1];\r\n } else {\r\n\r\n // 0 <= v <= 8999999999999999\r\n // 0 <= (v % 1e14) <= 99999999999999\r\n c.push(v % 1e14);\r\n i += 2;\r\n }\r\n }\r\n i = k / 2;\r\n\r\n // Node.js supporting crypto.randomBytes.\r\n } else if (crypto.randomBytes) {\r\n\r\n // buffer\r\n a = crypto.randomBytes(k *= 7);\r\n\r\n for (; i < k;) {\r\n\r\n // 0x1000000000000 is 2^48, 0x10000000000 is 2^40\r\n // 0x100000000 is 2^32, 0x1000000 is 2^24\r\n // 11111 11111111 11111111 11111111 11111111 11111111 11111111\r\n // 0 <= v < 9007199254740992\r\n v = ((a[i] & 31) * 0x1000000000000) + (a[i + 1] * 0x10000000000) +\r\n (a[i + 2] * 0x100000000) + (a[i + 3] * 0x1000000) +\r\n (a[i + 4] << 16) + (a[i + 5] << 8) + a[i + 6];\r\n\r\n if (v >= 9e15) {\r\n crypto.randomBytes(7).copy(a, i);\r\n } else {\r\n\r\n // 0 <= (v % 1e14) <= 99999999999999\r\n c.push(v % 1e14);\r\n i += 7;\r\n }\r\n }\r\n i = k / 7;\r\n } else {\r\n CRYPTO = false;\r\n throw Error\r\n (bignumberError + 'crypto unavailable');\r\n }\r\n }\r\n\r\n // Use Math.random.\r\n if (!CRYPTO) {\r\n\r\n for (; i < k;) {\r\n v = random53bitInt();\r\n if (v < 9e15) c[i++] = v % 1e14;\r\n }\r\n }\r\n\r\n k = c[--i];\r\n dp %= LOG_BASE;\r\n\r\n // Convert trailing digits to zeros according to dp.\r\n if (k && dp) {\r\n v = POWS_TEN[LOG_BASE - dp];\r\n c[i] = mathfloor(k / v) * v;\r\n }\r\n\r\n // Remove trailing elements which are zero.\r\n for (; c[i] === 0; c.pop(), i--);\r\n\r\n // Zero?\r\n if (i < 0) {\r\n c = [e = 0];\r\n } else {\r\n\r\n // Remove leading elements which are zero and adjust exponent accordingly.\r\n for (e = -1 ; c[0] === 0; c.splice(0, 1), e -= LOG_BASE);\r\n\r\n // Count the digits of the first element of c to determine leading zeros, and...\r\n for (i = 1, v = c[0]; v >= 10; v /= 10, i++);\r\n\r\n // adjust the exponent accordingly.\r\n if (i < LOG_BASE) e -= LOG_BASE - i;\r\n }\r\n\r\n rand.e = e;\r\n rand.c = c;\r\n return rand;\r\n };\r\n })();\r\n\r\n\r\n /*\r\n * Return a BigNumber whose value is the sum of the arguments.\r\n *\r\n * arguments {number|string|BigNumber}\r\n */\r\n BigNumber.sum = function () {\r\n var i = 1,\r\n args = arguments,\r\n sum = new BigNumber(args[0]);\r\n for (; i < args.length;) sum = sum.plus(args[i++]);\r\n return sum;\r\n };\r\n\r\n\r\n // PRIVATE FUNCTIONS\r\n\r\n\r\n // Called by BigNumber and BigNumber.prototype.toString.\r\n convertBase = (function () {\r\n var decimal = '0123456789';\r\n\r\n /*\r\n * Convert string of baseIn to an array of numbers of baseOut.\r\n * Eg. toBaseOut('255', 10, 16) returns [15, 15].\r\n * Eg. toBaseOut('ff', 16, 10) returns [2, 5, 5].\r\n */\r\n function toBaseOut(str, baseIn, baseOut, alphabet) {\r\n var j,\r\n arr = [0],\r\n arrL,\r\n i = 0,\r\n len = str.length;\r\n\r\n for (; i < len;) {\r\n for (arrL = arr.length; arrL--; arr[arrL] *= baseIn);\r\n\r\n arr[0] += alphabet.indexOf(str.charAt(i++));\r\n\r\n for (j = 0; j < arr.length; j++) {\r\n\r\n if (arr[j] > baseOut - 1) {\r\n if (arr[j + 1] == null) arr[j + 1] = 0;\r\n arr[j + 1] += arr[j] / baseOut | 0;\r\n arr[j] %= baseOut;\r\n }\r\n }\r\n }\r\n\r\n return arr.reverse();\r\n }\r\n\r\n // Convert a numeric string of baseIn to a numeric string of baseOut.\r\n // If the caller is toString, we are converting from base 10 to baseOut.\r\n // If the caller is BigNumber, we are converting from baseIn to base 10.\r\n return function (str, baseIn, baseOut, sign, callerIsToString) {\r\n var alphabet, d, e, k, r, x, xc, y,\r\n i = str.indexOf('.'),\r\n dp = DECIMAL_PLACES,\r\n rm = ROUNDING_MODE;\r\n\r\n // Non-integer.\r\n if (i >= 0) {\r\n k = POW_PRECISION;\r\n\r\n // Unlimited precision.\r\n POW_PRECISION = 0;\r\n str = str.replace('.', '');\r\n y = new BigNumber(baseIn);\r\n x = y.pow(str.length - i);\r\n POW_PRECISION = k;\r\n\r\n // Convert str as if an integer, then restore the fraction part by dividing the\r\n // result by its base raised to a power.\r\n\r\n y.c = toBaseOut(toFixedPoint(coeffToString(x.c), x.e, '0'),\r\n 10, baseOut, decimal);\r\n y.e = y.c.length;\r\n }\r\n\r\n // Convert the number as integer.\r\n\r\n xc = toBaseOut(str, baseIn, baseOut, callerIsToString\r\n ? (alphabet = ALPHABET, decimal)\r\n : (alphabet = decimal, ALPHABET));\r\n\r\n // xc now represents str as an integer and converted to baseOut. e is the exponent.\r\n e = k = xc.length;\r\n\r\n // Remove trailing zeros.\r\n for (; xc[--k] == 0; xc.pop());\r\n\r\n // Zero?\r\n if (!xc[0]) return alphabet.charAt(0);\r\n\r\n // Does str represent an integer? If so, no need for the division.\r\n if (i < 0) {\r\n --e;\r\n } else {\r\n x.c = xc;\r\n x.e = e;\r\n\r\n // The sign is needed for correct rounding.\r\n x.s = sign;\r\n x = div(x, y, dp, rm, baseOut);\r\n xc = x.c;\r\n r = x.r;\r\n e = x.e;\r\n }\r\n\r\n // xc now represents str converted to baseOut.\r\n\r\n // THe index of the rounding digit.\r\n d = e + dp + 1;\r\n\r\n // The rounding digit: the digit to the right of the digit that may be rounded up.\r\n i = xc[d];\r\n\r\n // Look at the rounding digits and mode to determine whether to round up.\r\n\r\n k = baseOut / 2;\r\n r = r || d < 0 || xc[d + 1] != null;\r\n\r\n r = rm < 4 ? (i != null || r) && (rm == 0 || rm == (x.s < 0 ? 3 : 2))\r\n : i > k || i == k &&(rm == 4 || r || rm == 6 && xc[d - 1] & 1 ||\r\n rm == (x.s < 0 ? 8 : 7));\r\n\r\n // If the index of the rounding digit is not greater than zero, or xc represents\r\n // zero, then the result of the base conversion is zero or, if rounding up, a value\r\n // such as 0.00001.\r\n if (d < 1 || !xc[0]) {\r\n\r\n // 1^-dp or 0\r\n str = r ? toFixedPoint(alphabet.charAt(1), -dp, alphabet.charAt(0)) : alphabet.charAt(0);\r\n } else {\r\n\r\n // Truncate xc to the required number of decimal places.\r\n xc.length = d;\r\n\r\n // Round up?\r\n if (r) {\r\n\r\n // Rounding up may mean the previous digit has to be rounded up and so on.\r\n for (--baseOut; ++xc[--d] > baseOut;) {\r\n xc[d] = 0;\r\n\r\n if (!d) {\r\n ++e;\r\n xc = [1].concat(xc);\r\n }\r\n }\r\n }\r\n\r\n // Determine trailing zeros.\r\n for (k = xc.length; !xc[--k];);\r\n\r\n // E.g. [4, 11, 15] becomes 4bf.\r\n for (i = 0, str = ''; i <= k; str += alphabet.charAt(xc[i++]));\r\n\r\n // Add leading zeros, decimal point and trailing zeros as required.\r\n str = toFixedPoint(str, e, alphabet.charAt(0));\r\n }\r\n\r\n // The caller will add the sign.\r\n return str;\r\n };\r\n })();\r\n\r\n\r\n // Perform division in the specified base. Called by div and convertBase.\r\n div = (function () {\r\n\r\n // Assume non-zero x and k.\r\n function multiply(x, k, base) {\r\n var m, temp, xlo, xhi,\r\n carry = 0,\r\n i = x.length,\r\n klo = k % SQRT_BASE,\r\n khi = k / SQRT_BASE | 0;\r\n\r\n for (x = x.slice(); i--;) {\r\n xlo = x[i] % SQRT_BASE;\r\n xhi = x[i] / SQRT_BASE | 0;\r\n m = khi * xlo + xhi * klo;\r\n temp = klo * xlo + ((m % SQRT_BASE) * SQRT_BASE) + carry;\r\n carry = (temp / base | 0) + (m / SQRT_BASE | 0) + khi * xhi;\r\n x[i] = temp % base;\r\n }\r\n\r\n if (carry) x = [carry].concat(x);\r\n\r\n return x;\r\n }\r\n\r\n function compare(a, b, aL, bL) {\r\n var i, cmp;\r\n\r\n if (aL != bL) {\r\n cmp = aL > bL ? 1 : -1;\r\n } else {\r\n\r\n for (i = cmp = 0; i < aL; i++) {\r\n\r\n if (a[i] != b[i]) {\r\n cmp = a[i] > b[i] ? 1 : -1;\r\n break;\r\n }\r\n }\r\n }\r\n\r\n return cmp;\r\n }\r\n\r\n function subtract(a, b, aL, base) {\r\n var i = 0;\r\n\r\n // Subtract b from a.\r\n for (; aL--;) {\r\n a[aL] -= i;\r\n i = a[aL] < b[aL] ? 1 : 0;\r\n a[aL] = i * base + a[aL] - b[aL];\r\n }\r\n\r\n // Remove leading zeros.\r\n for (; !a[0] && a.length > 1; a.splice(0, 1));\r\n }\r\n\r\n // x: dividend, y: divisor.\r\n return function (x, y, dp, rm, base) {\r\n var cmp, e, i, more, n, prod, prodL, q, qc, rem, remL, rem0, xi, xL, yc0,\r\n yL, yz,\r\n s = x.s == y.s ? 1 : -1,\r\n xc = x.c,\r\n yc = y.c;\r\n\r\n // Either NaN, Infinity or 0?\r\n if (!xc || !xc[0] || !yc || !yc[0]) {\r\n\r\n return new BigNumber(\r\n\r\n // Return NaN if either NaN, or both Infinity or 0.\r\n !x.s || !y.s || (xc ? yc && xc[0] == yc[0] : !yc) ? NaN :\r\n\r\n // Return ±0 if x is ±0 or y is ±Infinity, or return ±Infinity as y is ±0.\r\n xc && xc[0] == 0 || !yc ? s * 0 : s / 0\r\n );\r\n }\r\n\r\n q = new BigNumber(s);\r\n qc = q.c = [];\r\n e = x.e - y.e;\r\n s = dp + e + 1;\r\n\r\n if (!base) {\r\n base = BASE;\r\n e = bitFloor(x.e / LOG_BASE) - bitFloor(y.e / LOG_BASE);\r\n s = s / LOG_BASE | 0;\r\n }\r\n\r\n // Result exponent may be one less then the current value of e.\r\n // The coefficients of the BigNumbers from convertBase may have trailing zeros.\r\n for (i = 0; yc[i] == (xc[i] || 0); i++);\r\n\r\n if (yc[i] > (xc[i] || 0)) e--;\r\n\r\n if (s < 0) {\r\n qc.push(1);\r\n more = true;\r\n } else {\r\n xL = xc.length;\r\n yL = yc.length;\r\n i = 0;\r\n s += 2;\r\n\r\n // Normalise xc and yc so highest order digit of yc is >= base / 2.\r\n\r\n n = mathfloor(base / (yc[0] + 1));\r\n\r\n // Not necessary, but to handle odd bases where yc[0] == (base / 2) - 1.\r\n // if (n > 1 || n++ == 1 && yc[0] < base / 2) {\r\n if (n > 1) {\r\n yc = multiply(yc, n, base);\r\n xc = multiply(xc, n, base);\r\n yL = yc.length;\r\n xL = xc.length;\r\n }\r\n\r\n xi = yL;\r\n rem = xc.slice(0, yL);\r\n remL = rem.length;\r\n\r\n // Add zeros to make remainder as long as divisor.\r\n for (; remL < yL; rem[remL++] = 0);\r\n yz = yc.slice();\r\n yz = [0].concat(yz);\r\n yc0 = yc[0];\r\n if (yc[1] >= base / 2) yc0++;\r\n // Not necessary, but to prevent trial digit n > base, when using base 3.\r\n // else if (base == 3 && yc0 == 1) yc0 = 1 + 1e-15;\r\n\r\n do {\r\n n = 0;\r\n\r\n // Compare divisor and remainder.\r\n cmp = compare(yc, rem, yL, remL);\r\n\r\n // If divisor < remainder.\r\n if (cmp < 0) {\r\n\r\n // Calculate trial digit, n.\r\n\r\n rem0 = rem[0];\r\n if (yL != remL) rem0 = rem0 * base + (rem[1] || 0);\r\n\r\n // n is how many times the divisor goes into the current remainder.\r\n n = mathfloor(rem0 / yc0);\r\n\r\n // Algorithm:\r\n // product = divisor multiplied by trial digit (n).\r\n // Compare product and remainder.\r\n // If product is greater than remainder:\r\n // Subtract divisor from product, decrement trial digit.\r\n // Subtract product from remainder.\r\n // If product was less than remainder at the last compare:\r\n // Compare new remainder and divisor.\r\n // If remainder is greater than divisor:\r\n // Subtract divisor from remainder, increment trial digit.\r\n\r\n if (n > 1) {\r\n\r\n // n may be > base only when base is 3.\r\n if (n >= base) n = base - 1;\r\n\r\n // product = divisor * trial digit.\r\n prod = multiply(yc, n, base);\r\n prodL = prod.length;\r\n remL = rem.length;\r\n\r\n // Compare product and remainder.\r\n // If product > remainder then trial digit n too high.\r\n // n is 1 too high about 5% of the time, and is not known to have\r\n // ever been more than 1 too high.\r\n while (compare(prod, rem, prodL, remL) == 1) {\r\n n--;\r\n\r\n // Subtract divisor from product.\r\n subtract(prod, yL < prodL ? yz : yc, prodL, base);\r\n prodL = prod.length;\r\n cmp = 1;\r\n }\r\n } else {\r\n\r\n // n is 0 or 1, cmp is -1.\r\n // If n is 0, there is no need to compare yc and rem again below,\r\n // so change cmp to 1 to avoid it.\r\n // If n is 1, leave cmp as -1, so yc and rem are compared again.\r\n if (n == 0) {\r\n\r\n // divisor < remainder, so n must be at least 1.\r\n cmp = n = 1;\r\n }\r\n\r\n // product = divisor\r\n prod = yc.slice();\r\n prodL = prod.length;\r\n }\r\n\r\n if (prodL < remL) prod = [0].concat(prod);\r\n\r\n // Subtract product from remainder.\r\n subtract(rem, prod, remL, base);\r\n remL = rem.length;\r\n\r\n // If product was < remainder.\r\n if (cmp == -1) {\r\n\r\n // Compare divisor and new remainder.\r\n // If divisor < new remainder, subtract divisor from remainder.\r\n // Trial digit n too low.\r\n // n is 1 too low about 5% of the time, and very rarely 2 too low.\r\n while (compare(yc, rem, yL, remL) < 1) {\r\n n++;\r\n\r\n // Subtract divisor from remainder.\r\n subtract(rem, yL < remL ? yz : yc, remL, base);\r\n remL = rem.length;\r\n }\r\n }\r\n } else if (cmp === 0) {\r\n n++;\r\n rem = [0];\r\n } // else cmp === 1 and n will be 0\r\n\r\n // Add the next digit, n, to the result array.\r\n qc[i++] = n;\r\n\r\n // Update the remainder.\r\n if (rem[0]) {\r\n rem[remL++] = xc[xi] || 0;\r\n } else {\r\n rem = [xc[xi]];\r\n remL = 1;\r\n }\r\n } while ((xi++ < xL || rem[0] != null) && s--);\r\n\r\n more = rem[0] != null;\r\n\r\n // Leading zero?\r\n if (!qc[0]) qc.splice(0, 1);\r\n }\r\n\r\n if (base == BASE) {\r\n\r\n // To calculate q.e, first get the number of digits of qc[0].\r\n for (i = 1, s = qc[0]; s >= 10; s /= 10, i++);\r\n\r\n round(q, dp + (q.e = i + e * LOG_BASE - 1) + 1, rm, more);\r\n\r\n // Caller is convertBase.\r\n } else {\r\n q.e = e;\r\n q.r = +more;\r\n }\r\n\r\n return q;\r\n };\r\n })();\r\n\r\n\r\n /*\r\n * Return a string representing the value of BigNumber n in fixed-point or exponential\r\n * notation rounded to the specified decimal places or significant digits.\r\n *\r\n * n: a BigNumber.\r\n * i: the index of the last digit required (i.e. the digit that may be rounded up).\r\n * rm: the rounding mode.\r\n * id: 1 (toExponential) or 2 (toPrecision).\r\n */\r\n function format(n, i, rm, id) {\r\n var c0, e, ne, len, str;\r\n\r\n if (rm == null) rm = ROUNDING_MODE;\r\n else intCheck(rm, 0, 8);\r\n\r\n if (!n.c) return n.toString();\r\n\r\n c0 = n.c[0];\r\n ne = n.e;\r\n\r\n if (i == null) {\r\n str = coeffToString(n.c);\r\n str = id == 1 || id == 2 && (ne <= TO_EXP_NEG || ne >= TO_EXP_POS)\r\n ? toExponential(str, ne)\r\n : toFixedPoint(str, ne, '0');\r\n } else {\r\n n = round(new BigNumber(n), i, rm);\r\n\r\n // n.e may have changed if the value was rounded up.\r\n e = n.e;\r\n\r\n str = coeffToString(n.c);\r\n len = str.length;\r\n\r\n // toPrecision returns exponential notation if the number of significant digits\r\n // specified is less than the number of digits necessary to represent the integer\r\n // part of the value in fixed-point notation.\r\n\r\n // Exponential notation.\r\n if (id == 1 || id == 2 && (i <= e || e <= TO_EXP_NEG)) {\r\n\r\n // Append zeros?\r\n for (; len < i; str += '0', len++);\r\n str = toExponential(str, e);\r\n\r\n // Fixed-point notation.\r\n } else {\r\n i -= ne;\r\n str = toFixedPoint(str, e, '0');\r\n\r\n // Append zeros?\r\n if (e + 1 > len) {\r\n if (--i > 0) for (str += '.'; i--; str += '0');\r\n } else {\r\n i += e - len;\r\n if (i > 0) {\r\n if (e + 1 == len) str += '.';\r\n for (; i--; str += '0');\r\n }\r\n }\r\n }\r\n }\r\n\r\n return n.s < 0 && c0 ? '-' + str : str;\r\n }\r\n\r\n\r\n // Handle BigNumber.max and BigNumber.min.\r\n function maxOrMin(args, method) {\r\n var n,\r\n i = 1,\r\n m = new BigNumber(args[0]);\r\n\r\n for (; i < args.length; i++) {\r\n n = new BigNumber(args[i]);\r\n\r\n // If any number is NaN, return NaN.\r\n if (!n.s) {\r\n m = n;\r\n break;\r\n } else if (method.call(m, n)) {\r\n m = n;\r\n }\r\n }\r\n\r\n return m;\r\n }\r\n\r\n\r\n /*\r\n * Strip trailing zeros, calculate base 10 exponent and check against MIN_EXP and MAX_EXP.\r\n * Called by minus, plus and times.\r\n */\r\n function normalise(n, c, e) {\r\n var i = 1,\r\n j = c.length;\r\n\r\n // Remove trailing zeros.\r\n for (; !c[--j]; c.pop());\r\n\r\n // Calculate the base 10 exponent. First get the number of digits of c[0].\r\n for (j = c[0]; j >= 10; j /= 10, i++);\r\n\r\n // Overflow?\r\n if ((e = i + e * LOG_BASE - 1) > MAX_EXP) {\r\n\r\n // Infinity.\r\n n.c = n.e = null;\r\n\r\n // Underflow?\r\n } else if (e < MIN_EXP) {\r\n\r\n // Zero.\r\n n.c = [n.e = 0];\r\n } else {\r\n n.e = e;\r\n n.c = c;\r\n }\r\n\r\n return n;\r\n }\r\n\r\n\r\n // Handle values that fail the validity test in BigNumber.\r\n parseNumeric = (function () {\r\n var basePrefix = /^(-?)0([xbo])(?=\\w[\\w.]*$)/i,\r\n dotAfter = /^([^.]+)\\.$/,\r\n dotBefore = /^\\.([^.]+)$/,\r\n isInfinityOrNaN = /^-?(Infinity|NaN)$/,\r\n whitespaceOrPlus = /^\\s*\\+(?=[\\w.])|^\\s+|\\s+$/g;\r\n\r\n return function (x, str, isNum, b) {\r\n var base,\r\n s = isNum ? str : str.replace(whitespaceOrPlus, '');\r\n\r\n // No exception on ±Infinity or NaN.\r\n if (isInfinityOrNaN.test(s)) {\r\n x.s = isNaN(s) ? null : s < 0 ? -1 : 1;\r\n } else {\r\n if (!isNum) {\r\n\r\n // basePrefix = /^(-?)0([xbo])(?=\\w[\\w.]*$)/i\r\n s = s.replace(basePrefix, function (m, p1, p2) {\r\n base = (p2 = p2.toLowerCase()) == 'x' ? 16 : p2 == 'b' ? 2 : 8;\r\n return !b || b == base ? p1 : m;\r\n });\r\n\r\n if (b) {\r\n base = b;\r\n\r\n // E.g. '1.' to '1', '.1' to '0.1'\r\n s = s.replace(dotAfter, '$1').replace(dotBefore, '0.$1');\r\n }\r\n\r\n if (str != s) return new BigNumber(s, base);\r\n }\r\n\r\n // '[BigNumber Error] Not a number: {n}'\r\n // '[BigNumber Error] Not a base {b} number: {n}'\r\n if (BigNumber.DEBUG) {\r\n throw Error\r\n (bignumberError + 'Not a' + (b ? ' base ' + b : '') + ' number: ' + str);\r\n }\r\n\r\n // NaN\r\n x.s = null;\r\n }\r\n\r\n x.c = x.e = null;\r\n }\r\n })();\r\n\r\n\r\n /*\r\n * Round x to sd significant digits using rounding mode rm. Check for over/under-flow.\r\n * If r is truthy, it is known that there are more digits after the rounding digit.\r\n */\r\n function round(x, sd, rm, r) {\r\n var d, i, j, k, n, ni, rd,\r\n xc = x.c,\r\n pows10 = POWS_TEN;\r\n\r\n // if x is not Infinity or NaN...\r\n if (xc) {\r\n\r\n // rd is the rounding digit, i.e. the digit after the digit that may be rounded up.\r\n // n is a base 1e14 number, the value of the element of array x.c containing rd.\r\n // ni is the index of n within x.c.\r\n // d is the number of digits of n.\r\n // i is the index of rd within n including leading zeros.\r\n // j is the actual index of rd within n (if < 0, rd is a leading zero).\r\n out: {\r\n\r\n // Get the number of digits of the first element of xc.\r\n for (d = 1, k = xc[0]; k >= 10; k /= 10, d++);\r\n i = sd - d;\r\n\r\n // If the rounding digit is in the first element of xc...\r\n if (i < 0) {\r\n i += LOG_BASE;\r\n j = sd;\r\n n = xc[ni = 0];\r\n\r\n // Get the rounding digit at index j of n.\r\n rd = n / pows10[d - j - 1] % 10 | 0;\r\n } else {\r\n ni = mathceil((i + 1) / LOG_BASE);\r\n\r\n if (ni >= xc.length) {\r\n\r\n if (r) {\r\n\r\n // Needed by sqrt.\r\n for (; xc.length <= ni; xc.push(0));\r\n n = rd = 0;\r\n d = 1;\r\n i %= LOG_BASE;\r\n j = i - LOG_BASE + 1;\r\n } else {\r\n break out;\r\n }\r\n } else {\r\n n = k = xc[ni];\r\n\r\n // Get the number of digits of n.\r\n for (d = 1; k >= 10; k /= 10, d++);\r\n\r\n // Get the index of rd within n.\r\n i %= LOG_BASE;\r\n\r\n // Get the index of rd within n, adjusted for leading zeros.\r\n // The number of leading zeros of n is given by LOG_BASE - d.\r\n j = i - LOG_BASE + d;\r\n\r\n // Get the rounding digit at index j of n.\r\n rd = j < 0 ? 0 : n / pows10[d - j - 1] % 10 | 0;\r\n }\r\n }\r\n\r\n r = r || sd < 0 ||\r\n\r\n // Are there any non-zero digits after the rounding digit?\r\n // The expression n % pows10[d - j - 1] returns all digits of n to the right\r\n // of the digit at j, e.g. if n is 908714 and j is 2, the expression gives 714.\r\n xc[ni + 1] != null || (j < 0 ? n : n % pows10[d - j - 1]);\r\n\r\n r = rm < 4\r\n ? (rd || r) && (rm == 0 || rm == (x.s < 0 ? 3 : 2))\r\n : rd > 5 || rd == 5 && (rm == 4 || r || rm == 6 &&\r\n\r\n // Check whether the digit to the left of the rounding digit is odd.\r\n ((i > 0 ? j > 0 ? n / pows10[d - j] : 0 : xc[ni - 1]) % 10) & 1 ||\r\n rm == (x.s < 0 ? 8 : 7));\r\n\r\n if (sd < 1 || !xc[0]) {\r\n xc.length = 0;\r\n\r\n if (r) {\r\n\r\n // Convert sd to decimal places.\r\n sd -= x.e + 1;\r\n\r\n // 1, 0.1, 0.01, 0.001, 0.0001 etc.\r\n xc[0] = pows10[(LOG_BASE - sd % LOG_BASE) % LOG_BASE];\r\n x.e = -sd || 0;\r\n } else {\r\n\r\n // Zero.\r\n xc[0] = x.e = 0;\r\n }\r\n\r\n return x;\r\n }\r\n\r\n // Remove excess digits.\r\n if (i == 0) {\r\n xc.length = ni;\r\n k = 1;\r\n ni--;\r\n } else {\r\n xc.length = ni + 1;\r\n k = pows10[LOG_BASE - i];\r\n\r\n // E.g. 56700 becomes 56000 if 7 is the rounding digit.\r\n // j > 0 means i > number of leading zeros of n.\r\n xc[ni] = j > 0 ? mathfloor(n / pows10[d - j] % pows10[j]) * k : 0;\r\n }\r\n\r\n // Round up?\r\n if (r) {\r\n\r\n for (; ;) {\r\n\r\n // If the digit to be rounded up is in the first element of xc...\r\n if (ni == 0) {\r\n\r\n // i will be the length of xc[0] before k is added.\r\n for (i = 1, j = xc[0]; j >= 10; j /= 10, i++);\r\n j = xc[0] += k;\r\n for (k = 1; j >= 10; j /= 10, k++);\r\n\r\n // if i != k the length has increased.\r\n if (i != k) {\r\n x.e++;\r\n if (xc[0] == BASE) xc[0] = 1;\r\n }\r\n\r\n break;\r\n } else {\r\n xc[ni] += k;\r\n if (xc[ni] != BASE) break;\r\n xc[ni--] = 0;\r\n k = 1;\r\n }\r\n }\r\n }\r\n\r\n // Remove trailing zeros.\r\n for (i = xc.length; xc[--i] === 0; xc.pop());\r\n }\r\n\r\n // Overflow? Infinity.\r\n if (x.e > MAX_EXP) {\r\n x.c = x.e = null;\r\n\r\n // Underflow? Zero.\r\n } else if (x.e < MIN_EXP) {\r\n x.c = [x.e = 0];\r\n }\r\n }\r\n\r\n return x;\r\n }\r\n\r\n\r\n function valueOf(n) {\r\n var str,\r\n e = n.e;\r\n\r\n if (e === null) return n.toString();\r\n\r\n str = coeffToString(n.c);\r\n\r\n str = e <= TO_EXP_NEG || e >= TO_EXP_POS\r\n ? toExponential(str, e)\r\n : toFixedPoint(str, e, '0');\r\n\r\n return n.s < 0 ? '-' + str : str;\r\n }\r\n\r\n\r\n // PROTOTYPE/INSTANCE METHODS\r\n\r\n\r\n /*\r\n * Return a new BigNumber whose value is the absolute value of this BigNumber.\r\n */\r\n P.absoluteValue = P.abs = function () {\r\n var x = new BigNumber(this);\r\n if (x.s < 0) x.s = 1;\r\n return x;\r\n };\r\n\r\n\r\n /*\r\n * Return\r\n * 1 if the value of this BigNumber is greater than the value of BigNumber(y, b),\r\n * -1 if the value of this BigNumber is less than the value of BigNumber(y, b),\r\n * 0 if they have the same value,\r\n * or null if the value of either is NaN.\r\n */\r\n P.comparedTo = function (y, b) {\r\n return compare(this, new BigNumber(y, b));\r\n };\r\n\r\n\r\n /*\r\n * If dp is undefined or null or true or false, return the number of decimal places of the\r\n * value of this BigNumber, or null if the value of this BigNumber is ±Infinity or NaN.\r\n *\r\n * Otherwise, if dp is a number, return a new BigNumber whose value is the value of this\r\n * BigNumber rounded to a maximum of dp decimal places using rounding mode rm, or\r\n * ROUNDING_MODE if rm is omitted.\r\n *\r\n * [dp] {number} Decimal places: integer, 0 to MAX inclusive.\r\n * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'\r\n */\r\n P.decimalPlaces = P.dp = function (dp, rm) {\r\n var c, n, v,\r\n x = this;\r\n\r\n if (dp != null) {\r\n intCheck(dp, 0, MAX);\r\n if (rm == null) rm = ROUNDING_MODE;\r\n else intCheck(rm, 0, 8);\r\n\r\n return round(new BigNumber(x), dp + x.e + 1, rm);\r\n }\r\n\r\n if (!(c = x.c)) return null;\r\n n = ((v = c.length - 1) - bitFloor(this.e / LOG_BASE)) * LOG_BASE;\r\n\r\n // Subtract the number of trailing zeros of the last number.\r\n if (v = c[v]) for (; v % 10 == 0; v /= 10, n--);\r\n if (n < 0) n = 0;\r\n\r\n return n;\r\n };\r\n\r\n\r\n /*\r\n * n / 0 = I\r\n * n / N = N\r\n * n / I = 0\r\n * 0 / n = 0\r\n * 0 / 0 = N\r\n * 0 / N = N\r\n * 0 / I = 0\r\n * N / n = N\r\n * N / 0 = N\r\n * N / N = N\r\n * N / I = N\r\n * I / n = I\r\n * I / 0 = I\r\n * I / N = N\r\n * I / I = N\r\n *\r\n * Return a new BigNumber whose value is the value of this BigNumber divided by the value of\r\n * BigNumber(y, b), rounded according to DECIMAL_PLACES and ROUNDING_MODE.\r\n */\r\n P.dividedBy = P.div = function (y, b) {\r\n return div(this, new BigNumber(y, b), DECIMAL_PLACES, ROUNDING_MODE);\r\n };\r\n\r\n\r\n /*\r\n * Return a new BigNumber whose value is the integer part of dividing the value of this\r\n * BigNumber by the value of BigNumber(y, b).\r\n */\r\n P.dividedToIntegerBy = P.idiv = function (y, b) {\r\n return div(this, new BigNumber(y, b), 0, 1);\r\n };\r\n\r\n\r\n /*\r\n * Return a BigNumber whose value is the value of this BigNumber exponentiated by n.\r\n *\r\n * If m is present, return the result modulo m.\r\n * If n is negative round according to DECIMAL_PLACES and ROUNDING_MODE.\r\n * If POW_PRECISION is non-zero and m is not present, round to POW_PRECISION using ROUNDING_MODE.\r\n *\r\n * The modular power operation works efficiently when x, n, and m are integers, otherwise it\r\n * is equivalent to calculating x.exponentiatedBy(n).modulo(m) with a POW_PRECISION of 0.\r\n *\r\n * n {number|string|BigNumber} The exponent. An integer.\r\n * [m] {number|string|BigNumber} The modulus.\r\n *\r\n * '[BigNumber Error] Exponent not an integer: {n}'\r\n */\r\n P.exponentiatedBy = P.pow = function (n, m) {\r\n var half, isModExp, i, k, more, nIsBig, nIsNeg, nIsOdd, y,\r\n x = this;\r\n\r\n n = new BigNumber(n);\r\n\r\n // Allow NaN and ±Infinity, but not other non-integers.\r\n if (n.c && !n.isInteger()) {\r\n throw Error\r\n (bignumberError + 'Exponent not an integer: ' + valueOf(n));\r\n }\r\n\r\n if (m != null) m = new BigNumber(m);\r\n\r\n // Exponent of MAX_SAFE_INTEGER is 15.\r\n nIsBig = n.e > 14;\r\n\r\n // If x is NaN, ±Infinity, ±0 or ±1, or n is ±Infinity, NaN or ±0.\r\n if (!x.c || !x.c[0] || x.c[0] == 1 && !x.e && x.c.length == 1 || !n.c || !n.c[0]) {\r\n\r\n // The sign of the result of pow when x is negative depends on the evenness of n.\r\n // If +n overflows to ±Infinity, the evenness of n would be not be known.\r\n y = new BigNumber(Math.pow(+valueOf(x), nIsBig ? 2 - isOdd(n) : +valueOf(n)));\r\n return m ? y.mod(m) : y;\r\n }\r\n\r\n nIsNeg = n.s < 0;\r\n\r\n if (m) {\r\n\r\n // x % m returns NaN if abs(m) is zero, or m is NaN.\r\n if (m.c ? !m.c[0] : !m.s) return new BigNumber(NaN);\r\n\r\n isModExp = !nIsNeg && x.isInteger() && m.isInteger();\r\n\r\n if (isModExp) x = x.mod(m);\r\n\r\n // Overflow to ±Infinity: >=2**1e10 or >=1.0000024**1e15.\r\n // Underflow to ±0: <=0.79**1e10 or <=0.9999975**1e15.\r\n } else if (n.e > 9 && (x.e > 0 || x.e < -1 || (x.e == 0\r\n // [1, 240000000]\r\n ? x.c[0] > 1 || nIsBig && x.c[1] >= 24e7\r\n // [80000000000000] [99999750000000]\r\n : x.c[0] < 8e13 || nIsBig && x.c[0] <= 9999975e7))) {\r\n\r\n // If x is negative and n is odd, k = -0, else k = 0.\r\n k = x.s < 0 && isOdd(n) ? -0 : 0;\r\n\r\n // If x >= 1, k = ±Infinity.\r\n if (x.e > -1) k = 1 / k;\r\n\r\n // If n is negative return ±0, else return ±Infinity.\r\n return new BigNumber(nIsNeg ? 1 / k : k);\r\n\r\n } else if (POW_PRECISION) {\r\n\r\n // Truncating each coefficient array to a length of k after each multiplication\r\n // equates to truncating significant digits to POW_PRECISION + [28, 41],\r\n // i.e. there will be a minimum of 28 guard digits retained.\r\n k = mathceil(POW_PRECISION / LOG_BASE + 2);\r\n }\r\n\r\n if (nIsBig) {\r\n half = new BigNumber(0.5);\r\n if (nIsNeg) n.s = 1;\r\n nIsOdd = isOdd(n);\r\n } else {\r\n i = Math.abs(+valueOf(n));\r\n nIsOdd = i % 2;\r\n }\r\n\r\n y = new BigNumber(ONE);\r\n\r\n // Performs 54 loop iterations for n of 9007199254740991.\r\n for (; ;) {\r\n\r\n if (nIsOdd) {\r\n y = y.times(x);\r\n if (!y.c) break;\r\n\r\n if (k) {\r\n if (y.c.length > k) y.c.length = k;\r\n } else if (isModExp) {\r\n y = y.mod(m); //y = y.minus(div(y, m, 0, MODULO_MODE).times(m));\r\n }\r\n }\r\n\r\n if (i) {\r\n i = mathfloor(i / 2);\r\n if (i === 0) break;\r\n nIsOdd = i % 2;\r\n } else {\r\n n = n.times(half);\r\n round(n, n.e + 1, 1);\r\n\r\n if (n.e > 14) {\r\n nIsOdd = isOdd(n);\r\n } else {\r\n i = +valueOf(n);\r\n if (i === 0) break;\r\n nIsOdd = i % 2;\r\n }\r\n }\r\n\r\n x = x.times(x);\r\n\r\n if (k) {\r\n if (x.c && x.c.length > k) x.c.length = k;\r\n } else if (isModExp) {\r\n x = x.mod(m); //x = x.minus(div(x, m, 0, MODULO_MODE).times(m));\r\n }\r\n }\r\n\r\n if (isModExp) return y;\r\n if (nIsNeg) y = ONE.div(y);\r\n\r\n return m ? y.mod(m) : k ? round(y, POW_PRECISION, ROUNDING_MODE, more) : y;\r\n };\r\n\r\n\r\n /*\r\n * Return a new BigNumber whose value is the value of this BigNumber rounded to an integer\r\n * using rounding mode rm, or ROUNDING_MODE if rm is omitted.\r\n *\r\n * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {rm}'\r\n */\r\n P.integerValue = function (rm) {\r\n var n = new BigNumber(this);\r\n if (rm == null) rm = ROUNDING_MODE;\r\n else intCheck(rm, 0, 8);\r\n return round(n, n.e + 1, rm);\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is equal to the value of BigNumber(y, b),\r\n * otherwise return false.\r\n */\r\n P.isEqualTo = P.eq = function (y, b) {\r\n return compare(this, new BigNumber(y, b)) === 0;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is a finite number, otherwise return false.\r\n */\r\n P.isFinite = function () {\r\n return !!this.c;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is greater than the value of BigNumber(y, b),\r\n * otherwise return false.\r\n */\r\n P.isGreaterThan = P.gt = function (y, b) {\r\n return compare(this, new BigNumber(y, b)) > 0;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is greater than or equal to the value of\r\n * BigNumber(y, b), otherwise return false.\r\n */\r\n P.isGreaterThanOrEqualTo = P.gte = function (y, b) {\r\n return (b = compare(this, new BigNumber(y, b))) === 1 || b === 0;\r\n\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is an integer, otherwise return false.\r\n */\r\n P.isInteger = function () {\r\n return !!this.c && bitFloor(this.e / LOG_BASE) > this.c.length - 2;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is less than the value of BigNumber(y, b),\r\n * otherwise return false.\r\n */\r\n P.isLessThan = P.lt = function (y, b) {\r\n return compare(this, new BigNumber(y, b)) < 0;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is less than or equal to the value of\r\n * BigNumber(y, b), otherwise return false.\r\n */\r\n P.isLessThanOrEqualTo = P.lte = function (y, b) {\r\n return (b = compare(this, new BigNumber(y, b))) === -1 || b === 0;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is NaN, otherwise return false.\r\n */\r\n P.isNaN = function () {\r\n return !this.s;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is negative, otherwise return false.\r\n */\r\n P.isNegative = function () {\r\n return this.s < 0;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is positive, otherwise return false.\r\n */\r\n P.isPositive = function () {\r\n return this.s > 0;\r\n };\r\n\r\n\r\n /*\r\n * Return true if the value of this BigNumber is 0 or -0, otherwise return false.\r\n */\r\n P.isZero = function () {\r\n return !!this.c && this.c[0] == 0;\r\n };\r\n\r\n\r\n /*\r\n * n - 0 = n\r\n * n - N = N\r\n * n - I = -I\r\n * 0 - n = -n\r\n * 0 - 0 = 0\r\n * 0 - N = N\r\n * 0 - I = -I\r\n * N - n = N\r\n * N - 0 = N\r\n * N - N = N\r\n * N - I = N\r\n * I - n = I\r\n * I - 0 = I\r\n * I - N = N\r\n * I - I = N\r\n *\r\n * Return a new BigNumber whose value is the value of this BigNumber minus the value of\r\n * BigNumber(y, b).\r\n */\r\n P.minus = function (y, b) {\r\n var i, j, t, xLTy,\r\n x = this,\r\n a = x.s;\r\n\r\n y = new BigNumber(y, b);\r\n b = y.s;\r\n\r\n // Either NaN?\r\n if (!a || !b) return new BigNumber(NaN);\r\n\r\n // Signs differ?\r\n if (a != b) {\r\n y.s = -b;\r\n return x.plus(y);\r\n }\r\n\r\n var xe = x.e / LOG_BASE,\r\n ye = y.e / LOG_BASE,\r\n xc = x.c,\r\n yc = y.c;\r\n\r\n if (!xe || !ye) {\r\n\r\n // Either Infinity?\r\n if (!xc || !yc) return xc ? (y.s = -b, y) : new BigNumber(yc ? x : NaN);\r\n\r\n // Either zero?\r\n if (!xc[0] || !yc[0]) {\r\n\r\n // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.\r\n return yc[0] ? (y.s = -b, y) : new BigNumber(xc[0] ? x :\r\n\r\n // IEEE 754 (2008) 6.3: n - n = -0 when rounding to -Infinity\r\n ROUNDING_MODE == 3 ? -0 : 0);\r\n }\r\n }\r\n\r\n xe = bitFloor(xe);\r\n ye = bitFloor(ye);\r\n xc = xc.slice();\r\n\r\n // Determine which is the bigger number.\r\n if (a = xe - ye) {\r\n\r\n if (xLTy = a < 0) {\r\n a = -a;\r\n t = xc;\r\n } else {\r\n ye = xe;\r\n t = yc;\r\n }\r\n\r\n t.reverse();\r\n\r\n // Prepend zeros to equalise exponents.\r\n for (b = a; b--; t.push(0));\r\n t.reverse();\r\n } else {\r\n\r\n // Exponents equal. Check digit by digit.\r\n j = (xLTy = (a = xc.length) < (b = yc.length)) ? a : b;\r\n\r\n for (a = b = 0; b < j; b++) {\r\n\r\n if (xc[b] != yc[b]) {\r\n xLTy = xc[b] < yc[b];\r\n break;\r\n }\r\n }\r\n }\r\n\r\n // x < y? Point xc to the array of the bigger number.\r\n if (xLTy) t = xc, xc = yc, yc = t, y.s = -y.s;\r\n\r\n b = (j = yc.length) - (i = xc.length);\r\n\r\n // Append zeros to xc if shorter.\r\n // No need to add zeros to yc if shorter as subtract only needs to start at yc.length.\r\n if (b > 0) for (; b--; xc[i++] = 0);\r\n b = BASE - 1;\r\n\r\n // Subtract yc from xc.\r\n for (; j > a;) {\r\n\r\n if (xc[--j] < yc[j]) {\r\n for (i = j; i && !xc[--i]; xc[i] = b);\r\n --xc[i];\r\n xc[j] += BASE;\r\n }\r\n\r\n xc[j] -= yc[j];\r\n }\r\n\r\n // Remove leading zeros and adjust exponent accordingly.\r\n for (; xc[0] == 0; xc.splice(0, 1), --ye);\r\n\r\n // Zero?\r\n if (!xc[0]) {\r\n\r\n // Following IEEE 754 (2008) 6.3,\r\n // n - n = +0 but n - n = -0 when rounding towards -Infinity.\r\n y.s = ROUNDING_MODE == 3 ? -1 : 1;\r\n y.c = [y.e = 0];\r\n return y;\r\n }\r\n\r\n // No need to check for Infinity as +x - +y != Infinity && -x - -y != Infinity\r\n // for finite x and y.\r\n return normalise(y, xc, ye);\r\n };\r\n\r\n\r\n /*\r\n * n % 0 = N\r\n * n % N = N\r\n * n % I = n\r\n * 0 % n = 0\r\n * -0 % n = -0\r\n * 0 % 0 = N\r\n * 0 % N = N\r\n * 0 % I = 0\r\n * N % n = N\r\n * N % 0 = N\r\n * N % N = N\r\n * N % I = N\r\n * I % n = N\r\n * I % 0 = N\r\n * I % N = N\r\n * I % I = N\r\n *\r\n * Return a new BigNumber whose value is the value of this BigNumber modulo the value of\r\n * BigNumber(y, b). The result depends on the value of MODULO_MODE.\r\n */\r\n P.modulo = P.mod = function (y, b) {\r\n var q, s,\r\n x = this;\r\n\r\n y = new BigNumber(y, b);\r\n\r\n // Return NaN if x is Infinity or NaN, or y is NaN or zero.\r\n if (!x.c || !y.s || y.c && !y.c[0]) {\r\n return new BigNumber(NaN);\r\n\r\n // Return x if y is Infinity or x is zero.\r\n } else if (!y.c || x.c && !x.c[0]) {\r\n return new BigNumber(x);\r\n }\r\n\r\n if (MODULO_MODE == 9) {\r\n\r\n // Euclidian division: q = sign(y) * floor(x / abs(y))\r\n // r = x - qy where 0 <= r < abs(y)\r\n s = y.s;\r\n y.s = 1;\r\n q = div(x, y, 0, 3);\r\n y.s = s;\r\n q.s *= s;\r\n } else {\r\n q = div(x, y, 0, MODULO_MODE);\r\n }\r\n\r\n y = x.minus(q.times(y));\r\n\r\n // To match JavaScript %, ensure sign of zero is sign of dividend.\r\n if (!y.c[0] && MODULO_MODE == 1) y.s = x.s;\r\n\r\n return y;\r\n };\r\n\r\n\r\n /*\r\n * n * 0 = 0\r\n * n * N = N\r\n * n * I = I\r\n * 0 * n = 0\r\n * 0 * 0 = 0\r\n * 0 * N = N\r\n * 0 * I = N\r\n * N * n = N\r\n * N * 0 = N\r\n * N * N = N\r\n * N * I = N\r\n * I * n = I\r\n * I * 0 = N\r\n * I * N = N\r\n * I * I = I\r\n *\r\n * Return a new BigNumber whose value is the value of this BigNumber multiplied by the value\r\n * of BigNumber(y, b).\r\n */\r\n P.multipliedBy = P.times = function (y, b) {\r\n var c, e, i, j, k, m, xcL, xlo, xhi, ycL, ylo, yhi, zc,\r\n base, sqrtBase,\r\n x = this,\r\n xc = x.c,\r\n yc = (y = new BigNumber(y, b)).c;\r\n\r\n // Either NaN, ±Infinity or ±0?\r\n if (!xc || !yc || !xc[0] || !yc[0]) {\r\n\r\n // Return NaN if either is NaN, or one is 0 and the other is Infinity.\r\n if (!x.s || !y.s || xc && !xc[0] && !yc || yc && !yc[0] && !xc) {\r\n y.c = y.e = y.s = null;\r\n } else {\r\n y.s *= x.s;\r\n\r\n // Return ±Infinity if either is ±Infinity.\r\n if (!xc || !yc) {\r\n y.c = y.e = null;\r\n\r\n // Return ±0 if either is ±0.\r\n } else {\r\n y.c = [0];\r\n y.e = 0;\r\n }\r\n }\r\n\r\n return y;\r\n }\r\n\r\n e = bitFloor(x.e / LOG_BASE) + bitFloor(y.e / LOG_BASE);\r\n y.s *= x.s;\r\n xcL = xc.length;\r\n ycL = yc.length;\r\n\r\n // Ensure xc points to longer array and xcL to its length.\r\n if (xcL < ycL) zc = xc, xc = yc, yc = zc, i = xcL, xcL = ycL, ycL = i;\r\n\r\n // Initialise the result array with zeros.\r\n for (i = xcL + ycL, zc = []; i--; zc.push(0));\r\n\r\n base = BASE;\r\n sqrtBase = SQRT_BASE;\r\n\r\n for (i = ycL; --i >= 0;) {\r\n c = 0;\r\n ylo = yc[i] % sqrtBase;\r\n yhi = yc[i] / sqrtBase | 0;\r\n\r\n for (k = xcL, j = i + k; j > i;) {\r\n xlo = xc[--k] % sqrtBase;\r\n xhi = xc[k] / sqrtBase | 0;\r\n m = yhi * xlo + xhi * ylo;\r\n xlo = ylo * xlo + ((m % sqrtBase) * sqrtBase) + zc[j] + c;\r\n c = (xlo / base | 0) + (m / sqrtBase | 0) + yhi * xhi;\r\n zc[j--] = xlo % base;\r\n }\r\n\r\n zc[j] = c;\r\n }\r\n\r\n if (c) {\r\n ++e;\r\n } else {\r\n zc.splice(0, 1);\r\n }\r\n\r\n return normalise(y, zc, e);\r\n };\r\n\r\n\r\n /*\r\n * Return a new BigNumber whose value is the value of this BigNumber negated,\r\n * i.e. multiplied by -1.\r\n */\r\n P.negated = function () {\r\n var x = new BigNumber(this);\r\n x.s = -x.s || null;\r\n return x;\r\n };\r\n\r\n\r\n /*\r\n * n + 0 = n\r\n * n + N = N\r\n * n + I = I\r\n * 0 + n = n\r\n * 0 + 0 = 0\r\n * 0 + N = N\r\n * 0 + I = I\r\n * N + n = N\r\n * N + 0 = N\r\n * N + N = N\r\n * N + I = N\r\n * I + n = I\r\n * I + 0 = I\r\n * I + N = N\r\n * I + I = I\r\n *\r\n * Return a new BigNumber whose value is the value of this BigNumber plus the value of\r\n * BigNumber(y, b).\r\n */\r\n P.plus = function (y, b) {\r\n var t,\r\n x = this,\r\n a = x.s;\r\n\r\n y = new BigNumber(y, b);\r\n b = y.s;\r\n\r\n // Either NaN?\r\n if (!a || !b) return new BigNumber(NaN);\r\n\r\n // Signs differ?\r\n if (a != b) {\r\n y.s = -b;\r\n return x.minus(y);\r\n }\r\n\r\n var xe = x.e / LOG_BASE,\r\n ye = y.e / LOG_BASE,\r\n xc = x.c,\r\n yc = y.c;\r\n\r\n if (!xe || !ye) {\r\n\r\n // Return ±Infinity if either ±Infinity.\r\n if (!xc || !yc) return new BigNumber(a / 0);\r\n\r\n // Either zero?\r\n // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.\r\n if (!xc[0] || !yc[0]) return yc[0] ? y : new BigNumber(xc[0] ? x : a * 0);\r\n }\r\n\r\n xe = bitFloor(xe);\r\n ye = bitFloor(ye);\r\n xc = xc.slice();\r\n\r\n // Prepend zeros to equalise exponents. Faster to use reverse then do unshifts.\r\n if (a = xe - ye) {\r\n if (a > 0) {\r\n ye = xe;\r\n t = yc;\r\n } else {\r\n a = -a;\r\n t = xc;\r\n }\r\n\r\n t.reverse();\r\n for (; a--; t.push(0));\r\n t.reverse();\r\n }\r\n\r\n a = xc.length;\r\n b = yc.length;\r\n\r\n // Point xc to the longer array, and b to the shorter length.\r\n if (a - b < 0) t = yc, yc = xc, xc = t, b = a;\r\n\r\n // Only start adding at yc.length - 1 as the further digits of xc can be ignored.\r\n for (a = 0; b;) {\r\n a = (xc[--b] = xc[b] + yc[b] + a) / BASE | 0;\r\n xc[b] = BASE === xc[b] ? 0 : xc[b] % BASE;\r\n }\r\n\r\n if (a) {\r\n xc = [a].concat(xc);\r\n ++ye;\r\n }\r\n\r\n // No need to check for zero, as +x + +y != 0 && -x + -y != 0\r\n // ye = MAX_EXP + 1 possible\r\n return normalise(y, xc, ye);\r\n };\r\n\r\n\r\n /*\r\n * If sd is undefined or null or true or false, return the number of significant digits of\r\n * the value of this BigNumber, or null if the value of this BigNumber is ±Infinity or NaN.\r\n * If sd is true include integer-part trailing zeros in the count.\r\n *\r\n * Otherwise, if sd is a number, return a new BigNumber whose value is the value of this\r\n * BigNumber rounded to a maximum of sd significant digits using rounding mode rm, or\r\n * ROUNDING_MODE if rm is omitted.\r\n *\r\n * sd {number|boolean} number: significant digits: integer, 1 to MAX inclusive.\r\n * boolean: whether to count integer-part trailing zeros: true or false.\r\n * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {sd|rm}'\r\n */\r\n P.precision = P.sd = function (sd, rm) {\r\n var c, n, v,\r\n x = this;\r\n\r\n if (sd != null && sd !== !!sd) {\r\n intCheck(sd, 1, MAX);\r\n if (rm == null) rm = ROUNDING_MODE;\r\n else intCheck(rm, 0, 8);\r\n\r\n return round(new BigNumber(x), sd, rm);\r\n }\r\n\r\n if (!(c = x.c)) return null;\r\n v = c.length - 1;\r\n n = v * LOG_BASE + 1;\r\n\r\n if (v = c[v]) {\r\n\r\n // Subtract the number of trailing zeros of the last element.\r\n for (; v % 10 == 0; v /= 10, n--);\r\n\r\n // Add the number of digits of the first element.\r\n for (v = c[0]; v >= 10; v /= 10, n++);\r\n }\r\n\r\n if (sd && x.e + 1 > n) n = x.e + 1;\r\n\r\n return n;\r\n };\r\n\r\n\r\n /*\r\n * Return a new BigNumber whose value is the value of this BigNumber shifted by k places\r\n * (powers of 10). Shift to the right if n > 0, and to the left if n < 0.\r\n *\r\n * k {number} Integer, -MAX_SAFE_INTEGER to MAX_SAFE_INTEGER inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {k}'\r\n */\r\n P.shiftedBy = function (k) {\r\n intCheck(k, -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);\r\n return this.times('1e' + k);\r\n };\r\n\r\n\r\n /*\r\n * sqrt(-n) = N\r\n * sqrt(N) = N\r\n * sqrt(-I) = N\r\n * sqrt(I) = I\r\n * sqrt(0) = 0\r\n * sqrt(-0) = -0\r\n *\r\n * Return a new BigNumber whose value is the square root of the value of this BigNumber,\r\n * rounded according to DECIMAL_PLACES and ROUNDING_MODE.\r\n */\r\n P.squareRoot = P.sqrt = function () {\r\n var m, n, r, rep, t,\r\n x = this,\r\n c = x.c,\r\n s = x.s,\r\n e = x.e,\r\n dp = DECIMAL_PLACES + 4,\r\n half = new BigNumber('0.5');\r\n\r\n // Negative/NaN/Infinity/zero?\r\n if (s !== 1 || !c || !c[0]) {\r\n return new BigNumber(!s || s < 0 && (!c || c[0]) ? NaN : c ? x : 1 / 0);\r\n }\r\n\r\n // Initial estimate.\r\n s = Math.sqrt(+valueOf(x));\r\n\r\n // Math.sqrt underflow/overflow?\r\n // Pass x to Math.sqrt as integer, then adjust the exponent of the result.\r\n if (s == 0 || s == 1 / 0) {\r\n n = coeffToString(c);\r\n if ((n.length + e) % 2 == 0) n += '0';\r\n s = Math.sqrt(+n);\r\n e = bitFloor((e + 1) / 2) - (e < 0 || e % 2);\r\n\r\n if (s == 1 / 0) {\r\n n = '5e' + e;\r\n } else {\r\n n = s.toExponential();\r\n n = n.slice(0, n.indexOf('e') + 1) + e;\r\n }\r\n\r\n r = new BigNumber(n);\r\n } else {\r\n r = new BigNumber(s + '');\r\n }\r\n\r\n // Check for zero.\r\n // r could be zero if MIN_EXP is changed after the this value was created.\r\n // This would cause a division by zero (x/t) and hence Infinity below, which would cause\r\n // coeffToString to throw.\r\n if (r.c[0]) {\r\n e = r.e;\r\n s = e + dp;\r\n if (s < 3) s = 0;\r\n\r\n // Newton-Raphson iteration.\r\n for (; ;) {\r\n t = r;\r\n r = half.times(t.plus(div(x, t, dp, 1)));\r\n\r\n if (coeffToString(t.c).slice(0, s) === (n = coeffToString(r.c)).slice(0, s)) {\r\n\r\n // The exponent of r may here be one less than the final result exponent,\r\n // e.g 0.0009999 (e-4) --> 0.001 (e-3), so adjust s so the rounding digits\r\n // are indexed correctly.\r\n if (r.e < e) --s;\r\n n = n.slice(s - 3, s + 1);\r\n\r\n // The 4th rounding digit may be in error by -1 so if the 4 rounding digits\r\n // are 9999 or 4999 (i.e. approaching a rounding boundary) continue the\r\n // iteration.\r\n if (n == '9999' || !rep && n == '4999') {\r\n\r\n // On the first iteration only, check to see if rounding up gives the\r\n // exact result as the nines may infinitely repeat.\r\n if (!rep) {\r\n round(t, t.e + DECIMAL_PLACES + 2, 0);\r\n\r\n if (t.times(t).eq(x)) {\r\n r = t;\r\n break;\r\n }\r\n }\r\n\r\n dp += 4;\r\n s += 4;\r\n rep = 1;\r\n } else {\r\n\r\n // If rounding digits are null, 0{0,4} or 50{0,3}, check for exact\r\n // result. If not, then there are further digits and m will be truthy.\r\n if (!+n || !+n.slice(1) && n.charAt(0) == '5') {\r\n\r\n // Truncate to the first rounding digit.\r\n round(r, r.e + DECIMAL_PLACES + 2, 1);\r\n m = !r.times(r).eq(x);\r\n }\r\n\r\n break;\r\n }\r\n }\r\n }\r\n }\r\n\r\n return round(r, r.e + DECIMAL_PLACES + 1, ROUNDING_MODE, m);\r\n };\r\n\r\n\r\n /*\r\n * Return a string representing the value of this BigNumber in exponential notation and\r\n * rounded using ROUNDING_MODE to dp fixed decimal places.\r\n *\r\n * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.\r\n * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'\r\n */\r\n P.toExponential = function (dp, rm) {\r\n if (dp != null) {\r\n intCheck(dp, 0, MAX);\r\n dp++;\r\n }\r\n return format(this, dp, rm, 1);\r\n };\r\n\r\n\r\n /*\r\n * Return a string representing the value of this BigNumber in fixed-point notation rounding\r\n * to dp fixed decimal places using rounding mode rm, or ROUNDING_MODE if rm is omitted.\r\n *\r\n * Note: as with JavaScript's number type, (-0).toFixed(0) is '0',\r\n * but e.g. (-0.00001).toFixed(0) is '-0'.\r\n *\r\n * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.\r\n * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'\r\n */\r\n P.toFixed = function (dp, rm) {\r\n if (dp != null) {\r\n intCheck(dp, 0, MAX);\r\n dp = dp + this.e + 1;\r\n }\r\n return format(this, dp, rm);\r\n };\r\n\r\n\r\n /*\r\n * Return a string representing the value of this BigNumber in fixed-point notation rounded\r\n * using rm or ROUNDING_MODE to dp decimal places, and formatted according to the properties\r\n * of the format or FORMAT object (see BigNumber.set).\r\n *\r\n * The formatting object may contain some or all of the properties shown below.\r\n *\r\n * FORMAT = {\r\n * prefix: '',\r\n * groupSize: 3,\r\n * secondaryGroupSize: 0,\r\n * groupSeparator: ',',\r\n * decimalSeparator: '.',\r\n * fractionGroupSize: 0,\r\n * fractionGroupSeparator: '\\xA0', // non-breaking space\r\n * suffix: ''\r\n * };\r\n *\r\n * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.\r\n * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.\r\n * [format] {object} Formatting options. See FORMAT pbject above.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}'\r\n * '[BigNumber Error] Argument not an object: {format}'\r\n */\r\n P.toFormat = function (dp, rm, format) {\r\n var str,\r\n x = this;\r\n\r\n if (format == null) {\r\n if (dp != null && rm && typeof rm == 'object') {\r\n format = rm;\r\n rm = null;\r\n } else if (dp && typeof dp == 'object') {\r\n format = dp;\r\n dp = rm = null;\r\n } else {\r\n format = FORMAT;\r\n }\r\n } else if (typeof format != 'object') {\r\n throw Error\r\n (bignumberError + 'Argument not an object: ' + format);\r\n }\r\n\r\n str = x.toFixed(dp, rm);\r\n\r\n if (x.c) {\r\n var i,\r\n arr = str.split('.'),\r\n g1 = +format.groupSize,\r\n g2 = +format.secondaryGroupSize,\r\n groupSeparator = format.groupSeparator || '',\r\n intPart = arr[0],\r\n fractionPart = arr[1],\r\n isNeg = x.s < 0,\r\n intDigits = isNeg ? intPart.slice(1) : intPart,\r\n len = intDigits.length;\r\n\r\n if (g2) i = g1, g1 = g2, g2 = i, len -= i;\r\n\r\n if (g1 > 0 && len > 0) {\r\n i = len % g1 || g1;\r\n intPart = intDigits.substr(0, i);\r\n for (; i < len; i += g1) intPart += groupSeparator + intDigits.substr(i, g1);\r\n if (g2 > 0) intPart += groupSeparator + intDigits.slice(i);\r\n if (isNeg) intPart = '-' + intPart;\r\n }\r\n\r\n str = fractionPart\r\n ? intPart + (format.decimalSeparator || '') + ((g2 = +format.fractionGroupSize)\r\n ? fractionPart.replace(new RegExp('\\\\d{' + g2 + '}\\\\B', 'g'),\r\n '$&' + (format.fractionGroupSeparator || ''))\r\n : fractionPart)\r\n : intPart;\r\n }\r\n\r\n return (format.prefix || '') + str + (format.suffix || '');\r\n };\r\n\r\n\r\n /*\r\n * Return an array of two BigNumbers representing the value of this BigNumber as a simple\r\n * fraction with an integer numerator and an integer denominator.\r\n * The denominator will be a positive non-zero value less than or equal to the specified\r\n * maximum denominator. If a maximum denominator is not specified, the denominator will be\r\n * the lowest value necessary to represent the number exactly.\r\n *\r\n * [md] {number|string|BigNumber} Integer >= 1, or Infinity. The maximum denominator.\r\n *\r\n * '[BigNumber Error] Argument {not an integer|out of range} : {md}'\r\n */\r\n P.toFraction = function (md) {\r\n var d, d0, d1, d2, e, exp, n, n0, n1, q, r, s,\r\n x = this,\r\n xc = x.c;\r\n\r\n if (md != null) {\r\n n = new BigNumber(md);\r\n\r\n // Throw if md is less than one or is not an integer, unless it is Infinity.\r\n if (!n.isInteger() && (n.c || n.s !== 1) || n.lt(ONE)) {\r\n throw Error\r\n (bignumberError + 'Argument ' +\r\n (n.isInteger() ? 'out of range: ' : 'not an integer: ') + valueOf(n));\r\n }\r\n }\r\n\r\n if (!xc) return new BigNumber(x);\r\n\r\n d = new BigNumber(ONE);\r\n n1 = d0 = new BigNumber(ONE);\r\n d1 = n0 = new BigNumber(ONE);\r\n s = coeffToString(xc);\r\n\r\n // Determine initial denominator.\r\n // d is a power of 10 and the minimum max denominator that specifies the value exactly.\r\n e = d.e = s.length - x.e - 1;\r\n d.c[0] = POWS_TEN[(exp = e % LOG_BASE) < 0 ? LOG_BASE + exp : exp];\r\n md = !md || n.comparedTo(d) > 0 ? (e > 0 ? d : n1) : n;\r\n\r\n exp = MAX_EXP;\r\n MAX_EXP = 1 / 0;\r\n n = new BigNumber(s);\r\n\r\n // n0 = d1 = 0\r\n n0.c[0] = 0;\r\n\r\n for (; ;) {\r\n q = div(n, d, 0, 1);\r\n d2 = d0.plus(q.times(d1));\r\n if (d2.comparedTo(md) == 1) break;\r\n d0 = d1;\r\n d1 = d2;\r\n n1 = n0.plus(q.times(d2 = n1));\r\n n0 = d2;\r\n d = n.minus(q.times(d2 = d));\r\n n = d2;\r\n }\r\n\r\n d2 = div(md.minus(d0), d1, 0, 1);\r\n n0 = n0.plus(d2.times(n1));\r\n d0 = d0.plus(d2.times(d1));\r\n n0.s = n1.s = x.s;\r\n e = e * 2;\r\n\r\n // Determine which fraction is closer to x, n0/d0 or n1/d1\r\n r = div(n1, d1, e, ROUNDING_MODE).minus(x).abs().comparedTo(\r\n div(n0, d0, e, ROUNDING_MODE).minus(x).abs()) < 1 ? [n1, d1] : [n0, d0];\r\n\r\n MAX_EXP = exp;\r\n\r\n return r;\r\n };\r\n\r\n\r\n /*\r\n * Return the value of this BigNumber converted to a number primitive.\r\n */\r\n P.toNumber = function () {\r\n return +valueOf(this);\r\n };\r\n\r\n\r\n /*\r\n * Return a string representing the value of this BigNumber rounded to sd significant digits\r\n * using rounding mode rm or ROUNDING_MODE. If sd is less than the number of digits\r\n * necessary to represent the integer part of the value in fixed-point notation, then use\r\n * exponential notation.\r\n *\r\n * [sd] {number} Significant digits. Integer, 1 to MAX inclusive.\r\n * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.\r\n *\r\n * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {sd|rm}'\r\n */\r\n P.toPrecision = function (sd, rm) {\r\n if (sd != null) intCheck(sd, 1, MAX);\r\n return format(this, sd, rm, 2);\r\n };\r\n\r\n\r\n /*\r\n * Return a string representing the value of this BigNumber in base b, or base 10 if b is\r\n * omitted. If a base is specified, including base 10, round according to DECIMAL_PLACES and\r\n * ROUNDING_MODE. If a base is not specified, and this BigNumber has a positive exponent\r\n * that is equal to or greater than TO_EXP_POS, or a negative exponent equal to or less than\r\n * TO_EXP_NEG, return exponential notation.\r\n *\r\n * [b] {number} Integer, 2 to ALPHABET.length inclusive.\r\n *\r\n * '[BigNumber Error] Base {not a primitive number|not an integer|out of range}: {b}'\r\n */\r\n P.toString = function (b) {\r\n var str,\r\n n = this,\r\n s = n.s,\r\n e = n.e;\r\n\r\n // Infinity or NaN?\r\n if (e === null) {\r\n if (s) {\r\n str = 'Infinity';\r\n if (s < 0) str = '-' + str;\r\n } else {\r\n str = 'NaN';\r\n }\r\n } else {\r\n if (b == null) {\r\n str = e <= TO_EXP_NEG || e >= TO_EXP_POS\r\n ? toExponential(coeffToString(n.c), e)\r\n : toFixedPoint(coeffToString(n.c), e, '0');\r\n } else if (b === 10) {\r\n n = round(new BigNumber(n), DECIMAL_PLACES + e + 1, ROUNDING_MODE);\r\n str = toFixedPoint(coeffToString(n.c), n.e, '0');\r\n } else {\r\n intCheck(b, 2, ALPHABET.length, 'Base');\r\n str = convertBase(toFixedPoint(coeffToString(n.c), e, '0'), 10, b, s, true);\r\n }\r\n\r\n if (s < 0 && n.c[0]) str = '-' + str;\r\n }\r\n\r\n return str;\r\n };\r\n\r\n\r\n /*\r\n * Return as toString, but do not accept a base argument, and include the minus sign for\r\n * negative zero.\r\n */\r\n P.valueOf = P.toJSON = function () {\r\n return valueOf(this);\r\n };\r\n\r\n\r\n P._isBigNumber = true;\r\n\r\n if (configObject != null) BigNumber.set(configObject);\r\n\r\n return BigNumber;\r\n }\r\n\r\n\r\n // PRIVATE HELPER FUNCTIONS\r\n\r\n // These functions don't need access to variables,\r\n // e.g. DECIMAL_PLACES, in the scope of the `clone` function above.\r\n\r\n\r\n function bitFloor(n) {\r\n var i = n | 0;\r\n return n > 0 || n === i ? i : i - 1;\r\n }\r\n\r\n\r\n // Return a coefficient array as a string of base 10 digits.\r\n function coeffToString(a) {\r\n var s, z,\r\n i = 1,\r\n j = a.length,\r\n r = a[0] + '';\r\n\r\n for (; i < j;) {\r\n s = a[i++] + '';\r\n z = LOG_BASE - s.length;\r\n for (; z--; s = '0' + s);\r\n r += s;\r\n }\r\n\r\n // Determine trailing zeros.\r\n for (j = r.length; r.charCodeAt(--j) === 48;);\r\n\r\n return r.slice(0, j + 1 || 1);\r\n }\r\n\r\n\r\n // Compare the value of BigNumbers x and y.\r\n function compare(x, y) {\r\n var a, b,\r\n xc = x.c,\r\n yc = y.c,\r\n i = x.s,\r\n j = y.s,\r\n k = x.e,\r\n l = y.e;\r\n\r\n // Either NaN?\r\n if (!i || !j) return null;\r\n\r\n a = xc && !xc[0];\r\n b = yc && !yc[0];\r\n\r\n // Either zero?\r\n if (a || b) return a ? b ? 0 : -j : i;\r\n\r\n // Signs differ?\r\n if (i != j) return i;\r\n\r\n a = i < 0;\r\n b = k == l;\r\n\r\n // Either Infinity?\r\n if (!xc || !yc) return b ? 0 : !xc ^ a ? 1 : -1;\r\n\r\n // Compare exponents.\r\n if (!b) return k > l ^ a ? 1 : -1;\r\n\r\n j = (k = xc.length) < (l = yc.length) ? k : l;\r\n\r\n // Compare digit by digit.\r\n for (i = 0; i < j; i++) if (xc[i] != yc[i]) return xc[i] > yc[i] ^ a ? 1 : -1;\r\n\r\n // Compare lengths.\r\n return k == l ? 0 : k > l ^ a ? 1 : -1;\r\n }\r\n\r\n\r\n /*\r\n * Check that n is a primitive number, an integer, and in range, otherwise throw.\r\n */\r\n function intCheck(n, min, max, name) {\r\n if (n < min || n > max || n !== mathfloor(n)) {\r\n throw Error\r\n (bignumberError + (name || 'Argument') + (typeof n == 'number'\r\n ? n < min || n > max ? ' out of range: ' : ' not an integer: '\r\n : ' not a primitive number: ') + String(n));\r\n }\r\n }\r\n\r\n\r\n // Assumes finite n.\r\n function isOdd(n) {\r\n var k = n.c.length - 1;\r\n return bitFloor(n.e / LOG_BASE) == k && n.c[k] % 2 != 0;\r\n }\r\n\r\n\r\n function toExponential(str, e) {\r\n return (str.length > 1 ? str.charAt(0) + '.' + str.slice(1) : str) +\r\n (e < 0 ? 'e' : 'e+') + e;\r\n }\r\n\r\n\r\n function toFixedPoint(str, e, z) {\r\n var len, zs;\r\n\r\n // Negative exponent?\r\n if (e < 0) {\r\n\r\n // Prepend zeros.\r\n for (zs = z + '.'; ++e; zs += z);\r\n str = zs + str;\r\n\r\n // Positive exponent\r\n } else {\r\n len = str.length;\r\n\r\n // Append zeros.\r\n if (++e > len) {\r\n for (zs = z, e -= len; --e; zs += z);\r\n str += zs;\r\n } else if (e < len) {\r\n str = str.slice(0, e) + '.' + str.slice(e);\r\n }\r\n }\r\n\r\n return str;\r\n }\r\n\r\n\r\n // EXPORT\r\n\r\n\r\n BigNumber = clone();\r\n BigNumber['default'] = BigNumber.BigNumber = BigNumber;\r\n\r\n // AMD.\r\n if (typeof define == 'function' && define.amd) {\r\n define(function () { return BigNumber; });\r\n\r\n // Node.js and other environments that support module.exports.\r\n } else if (typeof module != 'undefined' && module.exports) {\r\n module.exports = BigNumber;\r\n\r\n // Browser.\r\n } else {\r\n if (!globalObject) {\r\n globalObject = typeof self != 'undefined' && self ? self : window;\r\n }\r\n\r\n globalObject.BigNumber = BigNumber;\r\n }\r\n})(this);\r\n","var global = require('./_global');\nvar core = require('./_core');\nvar ctx = require('./_ctx');\nvar hide = require('./_hide');\nvar has = require('./_has');\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n var IS_FORCED = type & $export.F;\n var IS_GLOBAL = type & $export.G;\n var IS_STATIC = type & $export.S;\n var IS_PROTO = type & $export.P;\n var IS_BIND = type & $export.B;\n var IS_WRAP = type & $export.W;\n var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n var expProto = exports[PROTOTYPE];\n var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n var key, own, out;\n if (IS_GLOBAL) source = name;\n for (key in source) {\n // contains in native\n own = !IS_FORCED && target && target[key] !== undefined;\n if (own && has(exports, key)) continue;\n // export native or passed\n out = own ? target[key] : source[key];\n // prevent global pollution for namespaces\n exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n // bind timers to global for call from export context\n : IS_BIND && own ? ctx(out, global)\n // wrap global constructors for prevent change them in library\n : IS_WRAP && target[key] == out ? (function (C) {\n var F = function (a, b, c) {\n if (this instanceof C) {\n switch (arguments.length) {\n case 0: return new C();\n case 1: return new C(a);\n case 2: return new C(a, b);\n } return new C(a, b, c);\n } return C.apply(this, arguments);\n };\n F[PROTOTYPE] = C[PROTOTYPE];\n return F;\n // make static versions for prototype methods\n })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n if (IS_PROTO) {\n (exports.virtual || (exports.virtual = {}))[key] = out;\n // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n }\n }\n};\n// type bitmap\n$export.F = 1; // forced\n$export.G = 2; // global\n$export.S = 4; // static\n$export.P = 8; // proto\n$export.B = 16; // bind\n$export.W = 32; // wrap\n$export.U = 64; // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n if (!isObject(it)) throw TypeError(it + ' is not an object!');\n return it;\n};\n","var hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function (it, key) {\n return hasOwnProperty.call(it, key);\n};\n","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n};","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n function defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n }\n }\n\n return function (Constructor, protoProps, staticProps) {\n if (protoProps) defineProperties(Constructor.prototype, protoProps);\n if (staticProps) defineProperties(Constructor, staticProps);\n return Constructor;\n };\n}();","\"use strict\";\n\nexports.__esModule = true;\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (self, call) {\n if (!self) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n};","\"use strict\";\n\nexports.__esModule = true;\n\nvar _setPrototypeOf = require(\"../core-js/object/set-prototype-of\");\n\nvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\nvar _create = require(\"../core-js/object/create\");\n\nvar _create2 = _interopRequireDefault(_create);\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n }\n\n subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n};","\"use strict\";\nvar util = exports;\n\n// used to return a Promise where callback is omitted\nutil.asPromise = require(\"@protobufjs/aspromise\");\n\n// converts to / from base64 encoded strings\nutil.base64 = require(\"@protobufjs/base64\");\n\n// base class of rpc.Service\nutil.EventEmitter = require(\"@protobufjs/eventemitter\");\n\n// float handling accross browsers\nutil.float = require(\"@protobufjs/float\");\n\n// requires modules optionally and hides the call from bundlers\nutil.inquire = require(\"@protobufjs/inquire\");\n\n// converts to / from utf8 encoded strings\nutil.utf8 = require(\"@protobufjs/utf8\");\n\n// provides a node-like buffer pool in the browser\nutil.pool = require(\"@protobufjs/pool\");\n\n// utility to work with the low and high bits of a 64 bit value\nutil.LongBits = require(\"./longbits\");\n\n/**\n * Whether running within node or not.\n * @memberof util\n * @type {boolean}\n */\nutil.isNode = Boolean(typeof global !== \"undefined\"\n && global\n && global.process\n && global.process.versions\n && global.process.versions.node);\n\n/**\n * Global object reference.\n * @memberof util\n * @type {Object}\n */\nutil.global = util.isNode && global\n || typeof window !== \"undefined\" && window\n || typeof self !== \"undefined\" && self\n || this; // eslint-disable-line no-invalid-this\n\n/**\n * An immuable empty array.\n * @memberof util\n * @type {Array.<*>}\n * @const\n */\nutil.emptyArray = Object.freeze ? Object.freeze([]) : /* istanbul ignore next */ []; // used on prototypes\n\n/**\n * An immutable empty object.\n * @type {Object}\n * @const\n */\nutil.emptyObject = Object.freeze ? Object.freeze({}) : /* istanbul ignore next */ {}; // used on prototypes\n\n/**\n * Tests if the specified value is an integer.\n * @function\n * @param {*} value Value to test\n * @returns {boolean} `true` if the value is an integer\n */\nutil.isInteger = Number.isInteger || /* istanbul ignore next */ function isInteger(value) {\n return typeof value === \"number\" && isFinite(value) && Math.floor(value) === value;\n};\n\n/**\n * Tests if the specified value is a string.\n * @param {*} value Value to test\n * @returns {boolean} `true` if the value is a string\n */\nutil.isString = function isString(value) {\n return typeof value === \"string\" || value instanceof String;\n};\n\n/**\n * Tests if the specified value is a non-null object.\n * @param {*} value Value to test\n * @returns {boolean} `true` if the value is a non-null object\n */\nutil.isObject = function isObject(value) {\n return value && typeof value === \"object\";\n};\n\n/**\n * Checks if a property on a message is considered to be present.\n * This is an alias of {@link util.isSet}.\n * @function\n * @param {Object} obj Plain object or message instance\n * @param {string} prop Property name\n * @returns {boolean} `true` if considered to be present, otherwise `false`\n */\nutil.isset =\n\n/**\n * Checks if a property on a message is considered to be present.\n * @param {Object} obj Plain object or message instance\n * @param {string} prop Property name\n * @returns {boolean} `true` if considered to be present, otherwise `false`\n */\nutil.isSet = function isSet(obj, prop) {\n var value = obj[prop];\n if (value != null && obj.hasOwnProperty(prop)) // eslint-disable-line eqeqeq, no-prototype-builtins\n return typeof value !== \"object\" || (Array.isArray(value) ? value.length : Object.keys(value).length) > 0;\n return false;\n};\n\n/**\n * Any compatible Buffer instance.\n * This is a minimal stand-alone definition of a Buffer instance. The actual type is that exported by node's typings.\n * @interface Buffer\n * @extends Uint8Array\n */\n\n/**\n * Node's Buffer class if available.\n * @type {Constructor}\n */\nutil.Buffer = (function() {\n try {\n var Buffer = util.inquire(\"buffer\").Buffer;\n // refuse to use non-node buffers if not explicitly assigned (perf reasons):\n return Buffer.prototype.utf8Write ? Buffer : /* istanbul ignore next */ null;\n } catch (e) {\n /* istanbul ignore next */\n return null;\n }\n})();\n\n// Internal alias of or polyfull for Buffer.from.\nutil._Buffer_from = null;\n\n// Internal alias of or polyfill for Buffer.allocUnsafe.\nutil._Buffer_allocUnsafe = null;\n\n/**\n * Creates a new buffer of whatever type supported by the environment.\n * @param {number|number[]} [sizeOrArray=0] Buffer size or number array\n * @returns {Uint8Array|Buffer} Buffer\n */\nutil.newBuffer = function newBuffer(sizeOrArray) {\n /* istanbul ignore next */\n return typeof sizeOrArray === \"number\"\n ? util.Buffer\n ? util._Buffer_allocUnsafe(sizeOrArray)\n : new util.Array(sizeOrArray)\n : util.Buffer\n ? util._Buffer_from(sizeOrArray)\n : typeof Uint8Array === \"undefined\"\n ? sizeOrArray\n : new Uint8Array(sizeOrArray);\n};\n\n/**\n * Array implementation used in the browser. `Uint8Array` if supported, otherwise `Array`.\n * @type {Constructor}\n */\nutil.Array = typeof Uint8Array !== \"undefined\" ? Uint8Array /* istanbul ignore next */ : Array;\n\n/**\n * Any compatible Long instance.\n * This is a minimal stand-alone definition of a Long instance. The actual type is that exported by long.js.\n * @interface Long\n * @property {number} low Low bits\n * @property {number} high High bits\n * @property {boolean} unsigned Whether unsigned or not\n */\n\n/**\n * Long.js's Long class if available.\n * @type {Constructor}\n */\nutil.Long = /* istanbul ignore next */ util.global.dcodeIO && /* istanbul ignore next */ util.global.dcodeIO.Long\n || /* istanbul ignore next */ util.global.Long\n || util.inquire(\"long\");\n\n/**\n * Regular expression used to verify 2 bit (`bool`) map keys.\n * @type {RegExp}\n * @const\n */\nutil.key2Re = /^true|false|0|1$/;\n\n/**\n * Regular expression used to verify 32 bit (`int32` etc.) map keys.\n * @type {RegExp}\n * @const\n */\nutil.key32Re = /^-?(?:0|[1-9][0-9]*)$/;\n\n/**\n * Regular expression used to verify 64 bit (`int64` etc.) map keys.\n * @type {RegExp}\n * @const\n */\nutil.key64Re = /^(?:[\\\\x00-\\\\xff]{8}|-?(?:0|[1-9][0-9]*))$/;\n\n/**\n * Converts a number or long to an 8 characters long hash string.\n * @param {Long|number} value Value to convert\n * @returns {string} Hash\n */\nutil.longToHash = function longToHash(value) {\n return value\n ? util.LongBits.from(value).toHash()\n : util.LongBits.zeroHash;\n};\n\n/**\n * Converts an 8 characters long hash string to a long or number.\n * @param {string} hash Hash\n * @param {boolean} [unsigned=false] Whether unsigned or not\n * @returns {Long|number} Original value\n */\nutil.longFromHash = function longFromHash(hash, unsigned) {\n var bits = util.LongBits.fromHash(hash);\n if (util.Long)\n return util.Long.fromBits(bits.lo, bits.hi, unsigned);\n return bits.toNumber(Boolean(unsigned));\n};\n\n/**\n * Merges the properties of the source object into the destination object.\n * @memberof util\n * @param {Object.} dst Destination object\n * @param {Object.} src Source object\n * @param {boolean} [ifNotSet=false] Merges only if the key is not already set\n * @returns {Object.} Destination object\n */\nfunction merge(dst, src, ifNotSet) { // used by converters\n for (var keys = Object.keys(src), i = 0; i < keys.length; ++i)\n if (dst[keys[i]] === undefined || !ifNotSet)\n dst[keys[i]] = src[keys[i]];\n return dst;\n}\n\nutil.merge = merge;\n\n/**\n * Converts the first character of a string to lower case.\n * @param {string} str String to convert\n * @returns {string} Converted string\n */\nutil.lcFirst = function lcFirst(str) {\n return str.charAt(0).toLowerCase() + str.substring(1);\n};\n\n/**\n * Creates a custom error constructor.\n * @memberof util\n * @param {string} name Error name\n * @returns {Constructor} Custom error constructor\n */\nfunction newError(name) {\n\n function CustomError(message, properties) {\n\n if (!(this instanceof CustomError))\n return new CustomError(message, properties);\n\n // Error.call(this, message);\n // ^ just returns a new error instance because the ctor can be called as a function\n\n Object.defineProperty(this, \"message\", { get: function() { return message; } });\n\n /* istanbul ignore next */\n if (Error.captureStackTrace) // node\n Error.captureStackTrace(this, CustomError);\n else\n Object.defineProperty(this, \"stack\", { value: new Error().stack || \"\" });\n\n if (properties)\n merge(this, properties);\n }\n\n (CustomError.prototype = Object.create(Error.prototype)).constructor = CustomError;\n\n Object.defineProperty(CustomError.prototype, \"name\", { get: function() { return name; } });\n\n CustomError.prototype.toString = function toString() {\n return this.name + \": \" + this.message;\n };\n\n return CustomError;\n}\n\nutil.newError = newError;\n\n/**\n * Constructs a new protocol error.\n * @classdesc Error subclass indicating a protocol specifc error.\n * @memberof util\n * @extends Error\n * @template T extends Message\n * @constructor\n * @param {string} message Error message\n * @param {Object.} [properties] Additional properties\n * @example\n * try {\n * MyMessage.decode(someBuffer); // throws if required fields are missing\n * } catch (e) {\n * if (e instanceof ProtocolError && e.instance)\n * console.log(\"decoded so far: \" + JSON.stringify(e.instance));\n * }\n */\nutil.ProtocolError = newError(\"ProtocolError\");\n\n/**\n * So far decoded message instance.\n * @name util.ProtocolError#instance\n * @type {Message}\n */\n\n/**\n * A OneOf getter as returned by {@link util.oneOfGetter}.\n * @typedef OneOfGetter\n * @type {function}\n * @returns {string|undefined} Set field name, if any\n */\n\n/**\n * Builds a getter for a oneof's present field name.\n * @param {string[]} fieldNames Field names\n * @returns {OneOfGetter} Unbound getter\n */\nutil.oneOfGetter = function getOneOf(fieldNames) {\n var fieldMap = {};\n for (var i = 0; i < fieldNames.length; ++i)\n fieldMap[fieldNames[i]] = 1;\n\n /**\n * @returns {string|undefined} Set field name, if any\n * @this Object\n * @ignore\n */\n return function() { // eslint-disable-line consistent-return\n for (var keys = Object.keys(this), i = keys.length - 1; i > -1; --i)\n if (fieldMap[keys[i]] === 1 && this[keys[i]] !== undefined && this[keys[i]] !== null)\n return keys[i];\n };\n};\n\n/**\n * A OneOf setter as returned by {@link util.oneOfSetter}.\n * @typedef OneOfSetter\n * @type {function}\n * @param {string|undefined} value Field name\n * @returns {undefined}\n */\n\n/**\n * Builds a setter for a oneof's present field name.\n * @param {string[]} fieldNames Field names\n * @returns {OneOfSetter} Unbound setter\n */\nutil.oneOfSetter = function setOneOf(fieldNames) {\n\n /**\n * @param {string} name Field name\n * @returns {undefined}\n * @this Object\n * @ignore\n */\n return function(name) {\n for (var i = 0; i < fieldNames.length; ++i)\n if (fieldNames[i] !== name)\n delete this[fieldNames[i]];\n };\n};\n\n/**\n * Default conversion options used for {@link Message#toJSON} implementations.\n *\n * These options are close to proto3's JSON mapping with the exception that internal types like Any are handled just like messages. More precisely:\n *\n * - Longs become strings\n * - Enums become string keys\n * - Bytes become base64 encoded strings\n * - (Sub-)Messages become plain objects\n * - Maps become plain objects with all string keys\n * - Repeated fields become arrays\n * - NaN and Infinity for float and double fields become strings\n *\n * @type {IConversionOptions}\n * @see https://developers.google.com/protocol-buffers/docs/proto3?hl=en#json\n */\nutil.toJSONOptions = {\n longs: String,\n enums: String,\n bytes: String,\n json: true\n};\n\n// Sets up buffer utility according to the environment (called in index-minimal)\nutil._configure = function() {\n var Buffer = util.Buffer;\n /* istanbul ignore if */\n if (!Buffer) {\n util._Buffer_from = util._Buffer_allocUnsafe = null;\n return;\n }\n // because node 4.x buffers are incompatible & immutable\n // see: https://github.com/dcodeIO/protobuf.js/pull/665\n util._Buffer_from = Buffer.from !== Uint8Array.from && Buffer.from ||\n /* istanbul ignore next */\n function Buffer_from(value, encoding) {\n return new Buffer(value, encoding);\n };\n util._Buffer_allocUnsafe = Buffer.allocUnsafe ||\n /* istanbul ignore next */\n function Buffer_allocUnsafe(size) {\n return new Buffer(size);\n };\n};\n","export default function _assertThisInitialized(self) {\n if (self === void 0) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return self;\n}","var objectWithoutPropertiesLoose = require(\"./objectWithoutPropertiesLoose\");\n\nfunction _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n var target = objectWithoutPropertiesLoose(source, excluded);\n var key, i;\n\n if (Object.getOwnPropertySymbols) {\n var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n for (i = 0; i < sourceSymbolKeys.length; i++) {\n key = sourceSymbolKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n target[key] = source[key];\n }\n }\n\n return target;\n}\n\nmodule.exports = _objectWithoutProperties;","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nvar arr = [];\nvar each = arr.forEach;\nvar slice = arr.slice;\nexport function defaults(obj) {\n each.call(slice.call(arguments, 1), function (source) {\n if (source) {\n for (var prop in source) {\n if (obj[prop] === undefined) obj[prop] = source[prop];\n }\n }\n });\n return obj;\n}\nexport function hasXMLHttpRequest() {\n return typeof XMLHttpRequest === 'function' || (typeof XMLHttpRequest === \"undefined\" ? \"undefined\" : _typeof(XMLHttpRequest)) === 'object';\n}","export default function _getPrototypeOf(o) {\n _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n return o.__proto__ || Object.getPrototypeOf(o);\n };\n return _getPrototypeOf(o);\n}","export default function _typeof(obj) {\n \"@babel/helpers - typeof\";\n\n if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n _typeof = function _typeof(obj) {\n return typeof obj;\n };\n } else {\n _typeof = function _typeof(obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n };\n }\n\n return _typeof(obj);\n}","import _typeof from \"@babel/runtime/helpers/esm/typeof\";\nimport assertThisInitialized from \"@babel/runtime/helpers/esm/assertThisInitialized\";\nexport default function _possibleConstructorReturn(self, call) {\n if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) {\n return call;\n }\n\n return assertThisInitialized(self);\n}","import getPrototypeOf from \"@babel/runtime/helpers/esm/getPrototypeOf\";\nimport isNativeReflectConstruct from \"@babel/runtime/helpers/esm/isNativeReflectConstruct\";\nimport possibleConstructorReturn from \"@babel/runtime/helpers/esm/possibleConstructorReturn\";\nexport default function _createSuper(Derived) {\n var hasNativeReflectConstruct = isNativeReflectConstruct();\n return function _createSuperInternal() {\n var Super = getPrototypeOf(Derived),\n result;\n\n if (hasNativeReflectConstruct) {\n var NewTarget = getPrototypeOf(this).constructor;\n result = Reflect.construct(Super, arguments, NewTarget);\n } else {\n result = Super.apply(this, arguments);\n }\n\n return possibleConstructorReturn(this, result);\n };\n}","export default function _isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n\n try {\n Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}","export default function _setPrototypeOf(o, p) {\n _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n o.__proto__ = p;\n return o;\n };\n\n return _setPrototypeOf(o, p);\n}","import setPrototypeOf from \"@babel/runtime/helpers/esm/setPrototypeOf\";\nexport default function _inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n writable: true,\n configurable: true\n }\n });\n if (superClass) setPrototypeOf(subClass, superClass);\n}","'use strict'\n\nconst { encoding: getCodec } = require('multibase')\nconst { TextDecoder } = require('web-encoding')\nconst utf8Decoder = new TextDecoder('utf8')\n\n/**\n * @typedef {import('multibase/src/types').BaseName} BaseName\n */\n\n/**\n * Turns a Uint8Array of bytes into a string with each\n * character being the char code of the corresponding byte\n *\n * @param {Uint8Array} array - The array to turn into a string\n */\nfunction uint8ArrayToAsciiString (array) {\n let string = ''\n\n for (let i = 0; i < array.length; i++) {\n string += String.fromCharCode(array[i])\n }\n return string\n}\n\n/**\n * Turns a `Uint8Array` into a string.\n *\n * Supports `utf8`, `utf-8` and any encoding supported by the multibase module.\n *\n * Also `ascii` which is similar to node's 'binary' encoding.\n *\n * @param {Uint8Array} array - The array to turn into a string\n * @param {BaseName | 'utf8' | 'utf-8' | 'ascii'} [encoding=utf8] - The encoding to use\n * @returns {string}\n */\nfunction toString (array, encoding = 'utf8') {\n if (encoding === 'utf8' || encoding === 'utf-8') {\n return utf8Decoder.decode(array)\n }\n\n if (encoding === 'ascii') {\n return uint8ArrayToAsciiString(array)\n }\n\n return getCodec(encoding).encode(array)\n}\n\nmodule.exports = toString\n","\"use strict\"\n\nexports.TextEncoder = TextEncoder\nexports.TextDecoder = TextDecoder\n","/**\n * Implementation of the [multibase](https://github.com/multiformats/multibase) specification.\n *\n */\n'use strict'\n\nconst constants = require('./constants')\nconst { encodeText, decodeText, concat } = require('./util')\n\n/** @typedef {import('./base')} Base */\n/** @typedef {import(\"./types\").BaseNameOrCode} BaseNameOrCode */\n/** @typedef {import(\"./types\").BaseCode} BaseCode */\n/** @typedef {import(\"./types\").BaseName} BaseName */\n\n/**\n * Create a new Uint8Array with the multibase varint+code.\n *\n * @param {BaseNameOrCode} nameOrCode - The multibase name or code number.\n * @param {Uint8Array} buf - The data to be prefixed with multibase.\n * @returns {Uint8Array}\n * @throws {Error} Will throw if the encoding is not supported\n */\nfunction multibase (nameOrCode, buf) {\n if (!buf) {\n throw new Error('requires an encoded Uint8Array')\n }\n const { name, codeBuf } = encoding(nameOrCode)\n validEncode(name, buf)\n\n return concat([codeBuf, buf], codeBuf.length + buf.length)\n}\n\n/**\n * Encode data with the specified base and add the multibase prefix.\n *\n * @param {BaseNameOrCode} nameOrCode - The multibase name or code number.\n * @param {Uint8Array} buf - The data to be encoded.\n * @returns {Uint8Array}\n * @throws {Error} Will throw if the encoding is not supported\n *\n */\nfunction encode (nameOrCode, buf) {\n const enc = encoding(nameOrCode)\n const data = encodeText(enc.encode(buf))\n\n return concat([enc.codeBuf, data], enc.codeBuf.length + data.length)\n}\n\n/**\n * Takes a Uint8Array or string encoded with multibase header, decodes it and\n * returns the decoded buffer\n *\n * @param {Uint8Array|string} data\n * @returns {Uint8Array}\n * @throws {Error} Will throw if the encoding is not supported\n *\n */\nfunction decode (data) {\n if (data instanceof Uint8Array) {\n data = decodeText(data)\n }\n const prefix = data[0]\n\n // Make all encodings case-insensitive except the ones that include upper and lower chars in the alphabet\n if (['f', 'F', 'v', 'V', 't', 'T', 'b', 'B', 'c', 'C', 'h', 'k', 'K'].includes(prefix)) {\n data = data.toLowerCase()\n }\n const enc = encoding(/** @type {BaseCode} */(data[0]))\n return enc.decode(data.substring(1))\n}\n\n/**\n * Is the given data multibase encoded?\n *\n * @param {Uint8Array|string} data\n * @returns {false | string}\n */\nfunction isEncoded (data) {\n if (data instanceof Uint8Array) {\n data = decodeText(data)\n }\n\n // Ensure bufOrString is a string\n if (Object.prototype.toString.call(data) !== '[object String]') {\n return false\n }\n\n try {\n const enc = encoding(/** @type {BaseCode} */(data[0]))\n return enc.name\n } catch (err) {\n return false\n }\n}\n\n/**\n * Validate encoded data\n *\n * @param {BaseNameOrCode} name\n * @param {Uint8Array} buf\n * @returns {void}\n * @throws {Error} Will throw if the encoding is not supported\n */\nfunction validEncode (name, buf) {\n const enc = encoding(name)\n enc.decode(decodeText(buf))\n}\n\n/**\n * Get the encoding by name or code\n *\n * @param {BaseNameOrCode} nameOrCode\n * @returns {Base}\n * @throws {Error} Will throw if the encoding is not supported\n */\nfunction encoding (nameOrCode) {\n if (constants.names[/** @type {BaseName} */(nameOrCode)]) {\n return constants.names[/** @type {BaseName} */(nameOrCode)]\n } else if (constants.codes[/** @type {BaseCode} */(nameOrCode)]) {\n return constants.codes[/** @type {BaseCode} */(nameOrCode)]\n } else {\n throw new Error(`Unsupported encoding: ${nameOrCode}`)\n }\n}\n\n/**\n * Get encoding from data\n *\n * @param {string|Uint8Array} data\n * @returns {Base}\n * @throws {Error} Will throw if the encoding is not supported\n */\nfunction encodingFromData (data) {\n if (data instanceof Uint8Array) {\n data = decodeText(data)\n }\n\n return encoding(/** @type {BaseCode} */(data[0]))\n}\n\nexports = module.exports = multibase\nexports.encode = encode\nexports.decode = decode\nexports.isEncoded = isEncoded\nexports.encoding = encoding\nexports.encodingFromData = encodingFromData\nexports.names = Object.freeze(constants.names)\nexports.codes = Object.freeze(constants.codes)\n","\"use strict\"\n\nexports.TextEncoder = TextEncoder\nexports.TextDecoder = TextDecoder\n","'use strict'\n\nconst CID = require('cids')\nconst withIs = require('class-is')\nconst uint8ArrayFromString = require('uint8arrays/from-string')\n\n// Link represents an IPFS Merkle DAG Link between Nodes.\nclass DAGLink {\n constructor (name, size, cid) {\n if (!cid) {\n throw new Error('A link requires a cid to point to')\n }\n\n // assert(size, 'A link requires a size')\n // note - links should include size, but this assert is disabled\n // for now to maintain consistency with go-ipfs pinset\n\n Object.defineProperties(this, {\n Name: { value: name || '', writable: false, enumerable: true },\n Tsize: { value: size, writable: false, enumerable: true },\n Hash: { value: new CID(cid), writable: false, enumerable: true },\n _nameBuf: { value: null, writable: true, enumerable: false }\n })\n }\n\n toString () {\n return `DAGLink <${this.Hash.toBaseEncodedString()} - name: \"${this.Name}\", size: ${this.Tsize}>`\n }\n\n toJSON () {\n if (!this._json) {\n this._json = Object.freeze({\n name: this.Name,\n size: this.Tsize,\n cid: this.Hash.toBaseEncodedString()\n })\n }\n\n return Object.assign({}, this._json)\n }\n\n // Memoize the Uint8Array representation of name\n // We need this to sort the links, otherwise\n // we will reallocate new Uint8Arrays every time\n get nameAsBuffer () {\n if (this._nameBuf !== null) {\n return this._nameBuf\n }\n\n this._nameBuf = uint8ArrayFromString(this.Name)\n return this._nameBuf\n }\n}\n\nexports = module.exports = withIs(DAGLink, { className: 'DAGLink', symbolName: '@ipld/js-ipld-dag-pb/daglink' })\n","var dP = require('./_object-dp');\nvar createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function (object, key, value) {\n return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n object[key] = value;\n return object;\n};\n","module.exports = function (it) {\n return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n","// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = require('./_iobject');\nvar defined = require('./_defined');\nmodule.exports = function (it) {\n return IObject(defined(it));\n};\n","module.exports = {};\n","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nimport React from 'react';\nimport { Table, Column, AutoSizer } from 'react-virtualized';\nimport './LinksTable.css';\n\nvar LinksTable = /*#__PURE__*/function (_React$Component) {\n _inherits(LinksTable, _React$Component);\n\n var _super = _createSuper(LinksTable);\n\n function LinksTable() {\n var _this;\n\n _classCallCheck(this, LinksTable);\n\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n _this = _super.call.apply(_super, [this].concat(args));\n\n _defineProperty(_assertThisInitialized(_this), \"handleOnRowClick\", function (_ref) {\n var rowData = _ref.rowData;\n var onLinkClick = _this.props.onLinkClick;\n onLinkClick(rowData);\n });\n\n return _this;\n }\n\n _createClass(LinksTable, [{\n key: \"render\",\n value: function render() {\n var _this2 = this;\n\n var links = this.props.links;\n var headerClassName = 'mid-gray fw2 tracked silver';\n var rowHeight = 29;\n var headerHeight = 32;\n var tableHeight = Math.max(370, Math.min(window.innerHeight - 500, links.length * rowHeight + headerHeight));\n return /*#__PURE__*/React.createElement(\"div\", null, /*#__PURE__*/React.createElement(AutoSizer, {\n disableHeight: true\n }, function (_ref2) {\n var width = _ref2.width;\n return /*#__PURE__*/React.createElement(Table, {\n className: \"tl fw4 LinksTable\",\n rowClassName: \"pointer bb b--near-white f7\",\n width: width,\n height: tableHeight,\n headerHeight: 32,\n rowHeight: rowHeight,\n rowCount: links.length,\n rowGetter: function rowGetter(_ref3) {\n var index = _ref3.index;\n return _objectSpread({\n index: index\n }, links[index]);\n },\n onRowClick: _this2.handleOnRowClick\n }, /*#__PURE__*/React.createElement(Column, {\n dataKey: \"index\",\n width: 34,\n className: \"pv2 silver monospace tr pr1\"\n }), /*#__PURE__*/React.createElement(Column, {\n label: \"Path\",\n dataKey: \"path\",\n width: 210,\n flexGrow: 1,\n className: \"pv2 navy f6-ns\",\n headerClassName: headerClassName\n }), /*#__PURE__*/React.createElement(Column, {\n label: \"CID\",\n dataKey: \"target\",\n width: 360,\n className: \"pv2 mid-gray monospace\",\n headerClassName: headerClassName\n }));\n }));\n }\n }]);\n\n return LinksTable;\n}(React.Component);\n\nexport default LinksTable;","function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }\n\nfunction _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }\n\nfunction _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }\n\nfunction ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nimport React from 'react';\nimport { withTranslation } from 'react-i18next';\nimport { ObjectInspector, chromeLight } from '@tableflip/react-inspector';\nimport filesize from 'filesize';\nimport LinksTable from './LinksTable';\nvar humansize = filesize.partial({\n round: 0\n});\n\nvar objectInspectorTheme = _objectSpread(_objectSpread({}, chromeLight), {}, {\n BASE_FONT_FAMILY: 'Consolas, Menlo, monospace',\n TREENODE_FONT_FAMILY: 'Consolas, Menlo, monospace',\n BASE_FONT_SIZE: '13px',\n BASE_LINE_HEIGHT: '19px',\n TREENODE_FONT_SIZE: '13px',\n TREENODE_LINE_HEIGHT: '19px'\n}); // TODO: Use https://github.com/multiformats/multicodec/blob/master/table.csv to get full name.\n\n\nvar nodeStyles = {\n 'dag-cbor': {\n shortName: 'CBOR',\n name: 'dag-cbor',\n color: '#28CA9F'\n },\n 'dag-pb': {\n shortName: 'PB',\n name: 'dag-pb',\n color: '#244e66'\n },\n 'git-raw': {\n shortName: 'GIT',\n name: 'Git',\n color: '#378085'\n },\n 'raw': {\n shortName: 'RAW',\n name: 'Raw Block',\n color: '#f14e32'\n },\n // eslint-disable-line quote-props\n 'eth-block': {\n shortName: 'ETH',\n name: 'Ethereum Block',\n color: '#383838'\n },\n 'eth-block-list': {\n shortName: 'ETH',\n name: 'Ethereum Block List',\n color: '#383838'\n },\n 'eth-tx-trie': {\n shortName: 'ETH',\n name: 'Ethereum Tx Trie',\n color: '#383838'\n },\n 'eth-tx': {\n shortName: 'ETH',\n name: 'Ethereum Tx',\n color: '#383838'\n },\n 'eth-state-trie': {\n shortName: 'ETH',\n name: 'Ethereum State Trie',\n color: '#383838'\n }\n};\nexport function shortNameForNode(type) {\n var style = nodeStyles[type];\n return style && style.shortName || 'DAG';\n}\nexport function nameForNode(type) {\n var style = nodeStyles[type];\n return style && style.name || 'DAG Node';\n}\nexport function colorForNode(type) {\n var style = nodeStyles[type];\n return style && style.color || '#ea5037';\n} // '/a/b' => ['$', '$.a', '$.a.b']\n// See: https://github.com/xyc/react-inspector#api\n\nexport function toExpandPathsNotation(localPath) {\n if (!localPath) return [];\n var parts = localPath.split('/');\n var expandPaths = parts.map(function (part, i) {\n if (!part) return '$';\n var relPath = parts.slice(0, i).join('.');\n return \"$\".concat(relPath, \".\").concat(part);\n });\n return expandPaths.slice(0, expandPaths.length - 1);\n}\n\nvar DagNodeIcon = function DagNodeIcon(_ref) {\n var type = _ref.type,\n props = _objectWithoutProperties(_ref, [\"type\"]);\n\n return /*#__PURE__*/React.createElement(\"svg\", _extends({}, props, {\n title: nameForNode(type),\n width: \"30\",\n height: \"30\",\n viewBox: \"0 0 30 30\",\n xmlns: \"http://www.w3.org/2000/svg\"\n }), /*#__PURE__*/React.createElement(\"circle\", {\n cx: \"15\",\n cy: \"15\",\n r: \"15\",\n fillRule: \"evenodd\",\n fill: colorForNode(type)\n }));\n};\n\nvar ObjectInfo = function ObjectInfo(_ref2) {\n var t = _ref2.t,\n tReady = _ref2.tReady,\n className = _ref2.className,\n type = _ref2.type,\n cid = _ref2.cid,\n localPath = _ref2.localPath,\n size = _ref2.size,\n data = _ref2.data,\n links = _ref2.links,\n format = _ref2.format,\n onLinkClick = _ref2.onLinkClick,\n gatewayUrl = _ref2.gatewayUrl,\n props = _objectWithoutProperties(_ref2, [\"t\", \"tReady\", \"className\", \"type\", \"cid\", \"localPath\", \"size\", \"data\", \"links\", \"format\", \"onLinkClick\", \"gatewayUrl\"]);\n\n return /*#__PURE__*/React.createElement(\"section\", _extends({\n className: \"pa4 sans-serif \".concat(className)\n }, props), /*#__PURE__*/React.createElement(\"h2\", {\n className: \"ma0 lh-title f4 fw4 montserrat pb2\",\n title: type\n }, /*#__PURE__*/React.createElement(DagNodeIcon, {\n type: type,\n className: \"mr3\",\n style: {\n verticalAlign: -8\n }\n }), /*#__PURE__*/React.createElement(\"span\", {\n className: \"v-mid\"\n }, nameForNode(type)), format === 'unixfs' ? /*#__PURE__*/React.createElement(\"a\", {\n className: \"dn di-ns link charcoal ml2\",\n href: \"https://docs.ipfs.io/concepts/file-systems/#unix-file-system-unixfs\",\n target: \"_external\"\n }, \"UnixFS\") : null, format === 'unixfs' && data.type && ['directory', 'file'].some(function (x) {\n return x === data.type;\n }) ? /*#__PURE__*/React.createElement(\"a\", {\n className: \"link avenir ml2 pa2 fw5 f6 blue\",\n href: \"\".concat(gatewayUrl, \"/ipfs/\").concat(cid),\n target: \"_external\"\n }, t('ObjectInfo.gatewayLink')) : null), /*#__PURE__*/React.createElement(\"div\", {\n className: \"f6\"\n }, !cid ? null : /*#__PURE__*/React.createElement(\"div\", {\n className: \"dt dt--fixed pt2\"\n }, /*#__PURE__*/React.createElement(\"label\", {\n className: \"dtc silver tracked ttu f7\",\n style: {\n width: 48\n }\n }, \"CID\"), /*#__PURE__*/React.createElement(\"div\", {\n className: \"dtc truncate charcoal monospace\",\n \"data-id\": \"ObjectInfo-cid\"\n }, cid)), !size ? null : /*#__PURE__*/React.createElement(\"div\", {\n className: \"dt dt--fixed pt2\"\n }, /*#__PURE__*/React.createElement(\"label\", {\n className: \"dtc silver tracked ttu f7\",\n style: {\n width: 48\n }\n }, \"Size\"), /*#__PURE__*/React.createElement(\"div\", {\n className: \"dtc truncate charcoal monospace\"\n }, humansize(size))), /*#__PURE__*/React.createElement(\"div\", {\n className: \"dt dt--fixed pt2\"\n }, /*#__PURE__*/React.createElement(\"label\", {\n className: \"dtc silver tracked ttu f7\",\n style: {\n width: 48\n }\n }, \"Links\"), /*#__PURE__*/React.createElement(\"div\", {\n className: \"dtc truncate charcoal\"\n }, links ? /*#__PURE__*/React.createElement(\"code\", null, links.length) : 'No Links')), /*#__PURE__*/React.createElement(\"div\", {\n className: \"dt dt--fixed pt2\",\n style: {\n height: 26\n }\n }, /*#__PURE__*/React.createElement(\"label\", {\n className: \"dtc silver tracked ttu f7 v-mid\",\n style: {\n width: 48\n }\n }, \"Data\"), /*#__PURE__*/React.createElement(\"div\", {\n className: \"dtc truncate mid-gray\"\n }, data ? null : 'No data')), !data ? null : /*#__PURE__*/React.createElement(\"div\", {\n className: \"pa3 mt2 bg-white f5 nl3 nr3 mh0-l\"\n }, /*#__PURE__*/React.createElement(ObjectInspector, {\n showMaxKeys: 100,\n data: data,\n theme: objectInspectorTheme,\n expandPaths: toExpandPathsNotation(localPath)\n }))), !links || !links.length ? null : /*#__PURE__*/React.createElement(\"div\", {\n className: \"mv2 nl3 nr3 mh0-l\"\n }, /*#__PURE__*/React.createElement(LinksTable, {\n links: links,\n onLinkClick: onLinkClick\n })));\n};\n\nexport default withTranslation('explore')(ObjectInfo);","function toVal(mix) {\n\tvar k, y, str='';\n\n\tif (typeof mix === 'string' || typeof mix === 'number') {\n\t\tstr += mix;\n\t} else if (typeof mix === 'object') {\n\t\tif (Array.isArray(mix)) {\n\t\t\tfor (k=0; k < mix.length; k++) {\n\t\t\t\tif (mix[k]) {\n\t\t\t\t\tif (y = toVal(mix[k])) {\n\t\t\t\t\t\tstr && (str += ' ');\n\t\t\t\t\t\tstr += y;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tfor (k in mix) {\n\t\t\t\tif (mix[k]) {\n\t\t\t\t\tstr && (str += ' ');\n\t\t\t\t\tstr += k;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn str;\n}\n\nexport default function () {\n\tvar i=0, tmp, x, str='';\n\twhile (i < arguments.length) {\n\t\tif (tmp = arguments[i++]) {\n\t\t\tif (x = toVal(tmp)) {\n\t\t\t\tstr && (str += ' ');\n\t\t\t\tstr += x\n\t\t\t}\n\t\t}\n\t}\n\treturn str;\n}\n","/**\n * Helper method that determines when to recalculate row or column metadata.\n */\nexport default function calculateSizeAndPositionDataAndUpdateScrollOffset(_ref) {\n var cellCount = _ref.cellCount,\n cellSize = _ref.cellSize,\n computeMetadataCallback = _ref.computeMetadataCallback,\n computeMetadataCallbackProps = _ref.computeMetadataCallbackProps,\n nextCellsCount = _ref.nextCellsCount,\n nextCellSize = _ref.nextCellSize,\n nextScrollToIndex = _ref.nextScrollToIndex,\n scrollToIndex = _ref.scrollToIndex,\n updateScrollOffsetForScrollToIndex = _ref.updateScrollOffsetForScrollToIndex;\n\n // Don't compare cell sizes if they are functions because inline functions would cause infinite loops.\n // In that event users should use the manual recompute methods to inform of changes.\n if (cellCount !== nextCellsCount || (typeof cellSize === 'number' || typeof nextCellSize === 'number') && cellSize !== nextCellSize) {\n computeMetadataCallback(computeMetadataCallbackProps); // Updated cell metadata may have hidden the previous scrolled-to item.\n // In this case we should also update the scrollTop to ensure it stays visible.\n\n if (scrollToIndex >= 0 && scrollToIndex === nextScrollToIndex) {\n updateScrollOffsetForScrollToIndex();\n }\n }\n}","import _classCallCheck from \"@babel/runtime/helpers/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/createClass\";\nimport _defineProperty from \"@babel/runtime/helpers/defineProperty\";\n\n/**\n * Just-in-time calculates and caches size and position information for a collection of cells.\n */\nvar CellSizeAndPositionManager =\n/*#__PURE__*/\nfunction () {\n // Cache of size and position data for cells, mapped by cell index.\n // Note that invalid values may exist in this map so only rely on cells up to this._lastMeasuredIndex\n // Measurements for cells up to this index can be trusted; cells afterward should be estimated.\n // Used in deferred mode to track which cells have been queued for measurement.\n function CellSizeAndPositionManager(_ref) {\n var cellCount = _ref.cellCount,\n cellSizeGetter = _ref.cellSizeGetter,\n estimatedCellSize = _ref.estimatedCellSize;\n\n _classCallCheck(this, CellSizeAndPositionManager);\n\n _defineProperty(this, \"_cellSizeAndPositionData\", {});\n\n _defineProperty(this, \"_lastMeasuredIndex\", -1);\n\n _defineProperty(this, \"_lastBatchedIndex\", -1);\n\n _defineProperty(this, \"_cellCount\", void 0);\n\n _defineProperty(this, \"_cellSizeGetter\", void 0);\n\n _defineProperty(this, \"_estimatedCellSize\", void 0);\n\n this._cellSizeGetter = cellSizeGetter;\n this._cellCount = cellCount;\n this._estimatedCellSize = estimatedCellSize;\n }\n\n _createClass(CellSizeAndPositionManager, [{\n key: \"areOffsetsAdjusted\",\n value: function areOffsetsAdjusted() {\n return false;\n }\n }, {\n key: \"configure\",\n value: function configure(_ref2) {\n var cellCount = _ref2.cellCount,\n estimatedCellSize = _ref2.estimatedCellSize,\n cellSizeGetter = _ref2.cellSizeGetter;\n this._cellCount = cellCount;\n this._estimatedCellSize = estimatedCellSize;\n this._cellSizeGetter = cellSizeGetter;\n }\n }, {\n key: \"getCellCount\",\n value: function getCellCount() {\n return this._cellCount;\n }\n }, {\n key: \"getEstimatedCellSize\",\n value: function getEstimatedCellSize() {\n return this._estimatedCellSize;\n }\n }, {\n key: \"getLastMeasuredIndex\",\n value: function getLastMeasuredIndex() {\n return this._lastMeasuredIndex;\n }\n }, {\n key: \"getOffsetAdjustment\",\n value: function getOffsetAdjustment() {\n return 0;\n }\n /**\n * This method returns the size and position for the cell at the specified index.\n * It just-in-time calculates (or used cached values) for cells leading up to the index.\n */\n\n }, {\n key: \"getSizeAndPositionOfCell\",\n value: function getSizeAndPositionOfCell(index) {\n if (index < 0 || index >= this._cellCount) {\n throw Error(\"Requested index \".concat(index, \" is outside of range 0..\").concat(this._cellCount));\n }\n\n if (index > this._lastMeasuredIndex) {\n var lastMeasuredCellSizeAndPosition = this.getSizeAndPositionOfLastMeasuredCell();\n var offset = lastMeasuredCellSizeAndPosition.offset + lastMeasuredCellSizeAndPosition.size;\n\n for (var i = this._lastMeasuredIndex + 1; i <= index; i++) {\n var size = this._cellSizeGetter({\n index: i\n }); // undefined or NaN probably means a logic error in the size getter.\n // null means we're using CellMeasurer and haven't yet measured a given index.\n\n\n if (size === undefined || isNaN(size)) {\n throw Error(\"Invalid size returned for cell \".concat(i, \" of value \").concat(size));\n } else if (size === null) {\n this._cellSizeAndPositionData[i] = {\n offset: offset,\n size: 0\n };\n this._lastBatchedIndex = index;\n } else {\n this._cellSizeAndPositionData[i] = {\n offset: offset,\n size: size\n };\n offset += size;\n this._lastMeasuredIndex = index;\n }\n }\n }\n\n return this._cellSizeAndPositionData[index];\n }\n }, {\n key: \"getSizeAndPositionOfLastMeasuredCell\",\n value: function getSizeAndPositionOfLastMeasuredCell() {\n return this._lastMeasuredIndex >= 0 ? this._cellSizeAndPositionData[this._lastMeasuredIndex] : {\n offset: 0,\n size: 0\n };\n }\n /**\n * Total size of all cells being measured.\n * This value will be completely estimated initially.\n * As cells are measured, the estimate will be updated.\n */\n\n }, {\n key: \"getTotalSize\",\n value: function getTotalSize() {\n var lastMeasuredCellSizeAndPosition = this.getSizeAndPositionOfLastMeasuredCell();\n var totalSizeOfMeasuredCells = lastMeasuredCellSizeAndPosition.offset + lastMeasuredCellSizeAndPosition.size;\n var numUnmeasuredCells = this._cellCount - this._lastMeasuredIndex - 1;\n var totalSizeOfUnmeasuredCells = numUnmeasuredCells * this._estimatedCellSize;\n return totalSizeOfMeasuredCells + totalSizeOfUnmeasuredCells;\n }\n /**\n * Determines a new offset that ensures a certain cell is visible, given the current offset.\n * If the cell is already visible then the current offset will be returned.\n * If the current offset is too great or small, it will be adjusted just enough to ensure the specified index is visible.\n *\n * @param align Desired alignment within container; one of \"auto\" (default), \"start\", or \"end\"\n * @param containerSize Size (width or height) of the container viewport\n * @param currentOffset Container's current (x or y) offset\n * @param totalSize Total size (width or height) of all cells\n * @return Offset to use to ensure the specified cell is visible\n */\n\n }, {\n key: \"getUpdatedOffsetForIndex\",\n value: function getUpdatedOffsetForIndex(_ref3) {\n var _ref3$align = _ref3.align,\n align = _ref3$align === void 0 ? 'auto' : _ref3$align,\n containerSize = _ref3.containerSize,\n currentOffset = _ref3.currentOffset,\n targetIndex = _ref3.targetIndex;\n\n if (containerSize <= 0) {\n return 0;\n }\n\n var datum = this.getSizeAndPositionOfCell(targetIndex);\n var maxOffset = datum.offset;\n var minOffset = maxOffset - containerSize + datum.size;\n var idealOffset;\n\n switch (align) {\n case 'start':\n idealOffset = maxOffset;\n break;\n\n case 'end':\n idealOffset = minOffset;\n break;\n\n case 'center':\n idealOffset = maxOffset - (containerSize - datum.size) / 2;\n break;\n\n default:\n idealOffset = Math.max(minOffset, Math.min(maxOffset, currentOffset));\n break;\n }\n\n var totalSize = this.getTotalSize();\n return Math.max(0, Math.min(totalSize - containerSize, idealOffset));\n }\n }, {\n key: \"getVisibleCellRange\",\n value: function getVisibleCellRange(params) {\n var containerSize = params.containerSize,\n offset = params.offset;\n var totalSize = this.getTotalSize();\n\n if (totalSize === 0) {\n return {};\n }\n\n var maxOffset = offset + containerSize;\n\n var start = this._findNearestCell(offset);\n\n var datum = this.getSizeAndPositionOfCell(start);\n offset = datum.offset + datum.size;\n var stop = start;\n\n while (offset < maxOffset && stop < this._cellCount - 1) {\n stop++;\n offset += this.getSizeAndPositionOfCell(stop).size;\n }\n\n return {\n start: start,\n stop: stop\n };\n }\n /**\n * Clear all cached values for cells after the specified index.\n * This method should be called for any cell that has changed its size.\n * It will not immediately perform any calculations; they'll be performed the next time getSizeAndPositionOfCell() is called.\n */\n\n }, {\n key: \"resetCell\",\n value: function resetCell(index) {\n this._lastMeasuredIndex = Math.min(this._lastMeasuredIndex, index - 1);\n }\n }, {\n key: \"_binarySearch\",\n value: function _binarySearch(high, low, offset) {\n while (low <= high) {\n var middle = low + Math.floor((high - low) / 2);\n var currentOffset = this.getSizeAndPositionOfCell(middle).offset;\n\n if (currentOffset === offset) {\n return middle;\n } else if (currentOffset < offset) {\n low = middle + 1;\n } else if (currentOffset > offset) {\n high = middle - 1;\n }\n }\n\n if (low > 0) {\n return low - 1;\n } else {\n return 0;\n }\n }\n }, {\n key: \"_exponentialSearch\",\n value: function _exponentialSearch(index, offset) {\n var interval = 1;\n\n while (index < this._cellCount && this.getSizeAndPositionOfCell(index).offset < offset) {\n index += interval;\n interval *= 2;\n }\n\n return this._binarySearch(Math.min(index, this._cellCount - 1), Math.floor(index / 2), offset);\n }\n /**\n * Searches for the cell (index) nearest the specified offset.\n *\n * If no exact match is found the next lowest cell index will be returned.\n * This allows partially visible cells (with offsets just before/above the fold) to be visible.\n */\n\n }, {\n