// Loaded from https://cdn.skypack.dev/-/buffer@v5.7.1-Crl6ndaY0FyV50ZOgBvz/dist=es2020,mode=imports/optimized/buffer.js import base64 from "/-/base64-js@v1.5.1-W9sqY0mF5INkRg7HAvxn/dist=es2020,mode=imports/optimized/base64-js.js"; import ieee7542 from "/-/ieee754@v1.2.1-wxdRuKvQQOTpW1dpWzFI/dist=es2020,mode=imports/optimized/ieee754.js"; function createCommonjsModule(fn, basedir, module) { return module = { path: basedir, exports: {}, require: function(path, base) { return commonjsRequire(path, base === void 0 || base === null ? module.path : base); } }, fn(module, module.exports), module.exports; } function commonjsRequire() { throw new Error("Dynamic requires are not currently supported by @rollup/plugin-commonjs"); } var buffer = createCommonjsModule(function(module, exports) { var customInspectSymbol = typeof Symbol === "function" && typeof Symbol["for"] === "function" ? Symbol["for"]("nodejs.util.inspect.custom") : null; exports.Buffer = Buffer2; exports.SlowBuffer = SlowBuffer2; exports.INSPECT_MAX_BYTES = 50; var K_MAX_LENGTH = 2147483647; exports.kMaxLength = K_MAX_LENGTH; Buffer2.TYPED_ARRAY_SUPPORT = typedArraySupport(); if (!Buffer2.TYPED_ARRAY_SUPPORT && typeof console !== "undefined" && typeof console.error === "function") { console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support."); } function typedArraySupport() { try { var arr = new Uint8Array(1); var proto = {foo: function() { return 42; }}; Object.setPrototypeOf(proto, Uint8Array.prototype); Object.setPrototypeOf(arr, proto); return arr.foo() === 42; } catch (e) { return false; } } Object.defineProperty(Buffer2.prototype, "parent", { enumerable: true, get: function() { if (!Buffer2.isBuffer(this)) return void 0; return this.buffer; } }); Object.defineProperty(Buffer2.prototype, "offset", { enumerable: true, get: function() { if (!Buffer2.isBuffer(this)) return void 0; return this.byteOffset; } }); function createBuffer(length) { if (length > K_MAX_LENGTH) { throw new RangeError('The value "' + length + '" is invalid for option "size"'); } var buf = new Uint8Array(length); Object.setPrototypeOf(buf, Buffer2.prototype); return buf; } function Buffer2(arg, encodingOrOffset, length) { if (typeof arg === "number") { if (typeof encodingOrOffset === "string") { throw new TypeError('The "string" argument must be of type string. Received type number'); } return allocUnsafe(arg); } return from(arg, encodingOrOffset, length); } Buffer2.poolSize = 8192; function from(value, encodingOrOffset, length) { if (typeof value === "string") { return fromString(value, encodingOrOffset); } if (ArrayBuffer.isView(value)) { return fromArrayView(value); } if (value == null) { throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof value); } if (isInstance(value, ArrayBuffer) || value && isInstance(value.buffer, ArrayBuffer)) { return fromArrayBuffer(value, encodingOrOffset, length); } if (typeof SharedArrayBuffer !== "undefined" && (isInstance(value, SharedArrayBuffer) || value && isInstance(value.buffer, SharedArrayBuffer))) { return fromArrayBuffer(value, encodingOrOffset, length); } if (typeof value === "number") { throw new TypeError('The "value" argument must not be of type number. Received type number'); } var valueOf = value.valueOf && value.valueOf(); if (valueOf != null && valueOf !== value) { return Buffer2.from(valueOf, encodingOrOffset, length); } var b = fromObject(value); if (b) return b; if (typeof Symbol !== "undefined" && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === "function") { return Buffer2.from(value[Symbol.toPrimitive]("string"), encodingOrOffset, length); } throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof value); } Buffer2.from = function(value, encodingOrOffset, length) { return from(value, encodingOrOffset, length); }; Object.setPrototypeOf(Buffer2.prototype, Uint8Array.prototype); Object.setPrototypeOf(Buffer2, Uint8Array); function assertSize(size) { if (typeof size !== "number") { throw new TypeError('"size" argument must be of type number'); } else if (size < 0) { throw new RangeError('The value "' + size + '" is invalid for option "size"'); } } function alloc(size, fill, encoding) { assertSize(size); if (size <= 0) { return createBuffer(size); } if (fill !== void 0) { return typeof encoding === "string" ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill); } return createBuffer(size); } Buffer2.alloc = function(size, fill, encoding) { return alloc(size, fill, encoding); }; function allocUnsafe(size) { assertSize(size); return createBuffer(size < 0 ? 0 : checked(size) | 0); } Buffer2.allocUnsafe = function(size) { return allocUnsafe(size); }; Buffer2.allocUnsafeSlow = function(size) { return allocUnsafe(size); }; function fromString(string, encoding) { if (typeof encoding !== "string" || encoding === "") { encoding = "utf8"; } if (!Buffer2.isEncoding(encoding)) { throw new TypeError("Unknown encoding: " + encoding); } var length = byteLength(string, encoding) | 0; var buf = createBuffer(length); var actual = buf.write(string, encoding); if (actual !== length) { buf = buf.slice(0, actual); } return buf; } function fromArrayLike(array) { var length = array.length < 0 ? 0 : checked(array.length) | 0; var buf = createBuffer(length); for (var i = 0; i < length; i += 1) { buf[i] = array[i] & 255; } return buf; } function fromArrayView(arrayView) { if (isInstance(arrayView, Uint8Array)) { var copy = new Uint8Array(arrayView); return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength); } return fromArrayLike(arrayView); } function fromArrayBuffer(array, byteOffset, length) { if (byteOffset < 0 || array.byteLength < byteOffset) { throw new RangeError('"offset" is outside of buffer bounds'); } if (array.byteLength < byteOffset + (length || 0)) { throw new RangeError('"length" is outside of buffer bounds'); } var buf; if (byteOffset === void 0 && length === void 0) { buf = new Uint8Array(array); } else if (length === void 0) { buf = new Uint8Array(array, byteOffset); } else { buf = new Uint8Array(array, byteOffset, length); } Object.setPrototypeOf(buf, Buffer2.prototype); return buf; } function fromObject(obj) { if (Buffer2.isBuffer(obj)) { var len = checked(obj.length) | 0; var buf = createBuffer(len); if (buf.length === 0) { return buf; } obj.copy(buf, 0, 0, len); return buf; } if (obj.length !== void 0) { if (typeof obj.length !== "number" || numberIsNaN(obj.length)) { return createBuffer(0); } return fromArrayLike(obj); } if (obj.type === "Buffer" && Array.isArray(obj.data)) { return fromArrayLike(obj.data); } } function checked(length) { if (length >= K_MAX_LENGTH) { throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x" + K_MAX_LENGTH.toString(16) + " bytes"); } return length | 0; } function SlowBuffer2(length) { if (+length != length) { length = 0; } return Buffer2.alloc(+length); } Buffer2.isBuffer = function isBuffer(b) { return b != null && b._isBuffer === true && b !== Buffer2.prototype; }; Buffer2.compare = function compare(a, b) { if (isInstance(a, Uint8Array)) a = Buffer2.from(a, a.offset, a.byteLength); if (isInstance(b, Uint8Array)) b = Buffer2.from(b, b.offset, b.byteLength); if (!Buffer2.isBuffer(a) || !Buffer2.isBuffer(b)) { throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'); } if (a === b) return 0; var x = a.length; var y = b.length; for (var i = 0, len = Math.min(x, y); i < len; ++i) { if (a[i] !== b[i]) { x = a[i]; y = b[i]; break; } } if (x < y) return -1; if (y < x) return 1; return 0; }; Buffer2.isEncoding = function isEncoding(encoding) { switch (String(encoding).toLowerCase()) { case "hex": case "utf8": case "utf-8": case "ascii": case "latin1": case "binary": case "base64": case "ucs2": case "ucs-2": case "utf16le": case "utf-16le": return true; default: return false; } }; Buffer2.concat = function concat(list, length) { if (!Array.isArray(list)) { throw new TypeError('"list" argument must be an Array of Buffers'); } if (list.length === 0) { return Buffer2.alloc(0); } var i; if (length === void 0) { length = 0; for (i = 0; i < list.length; ++i) { length += list[i].length; } } var buffer2 = Buffer2.allocUnsafe(length); var pos = 0; for (i = 0; i < list.length; ++i) { var buf = list[i]; if (isInstance(buf, Uint8Array)) { if (pos + buf.length > buffer2.length) { Buffer2.from(buf).copy(buffer2, pos); } else { Uint8Array.prototype.set.call(buffer2, buf, pos); } } else if (!Buffer2.isBuffer(buf)) { throw new TypeError('"list" argument must be an Array of Buffers'); } else { buf.copy(buffer2, pos); } pos += buf.length; } return buffer2; }; function byteLength(string, encoding) { if (Buffer2.isBuffer(string)) { return string.length; } if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) { return string.byteLength; } if (typeof string !== "string") { throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. Received type ' + typeof string); } var len = string.length; var mustMatch = arguments.length > 2 && arguments[2] === true; if (!mustMatch && len === 0) return 0; var loweredCase = false; for (; ; ) { switch (encoding) { case "ascii": case "latin1": case "binary": return len; case "utf8": case "utf-8": return utf8ToBytes(string).length; case "ucs2": case "ucs-2": case "utf16le": case "utf-16le": return len * 2; case "hex": return len >>> 1; case "base64": return base64ToBytes(string).length; default: if (loweredCase) { return mustMatch ? -1 : utf8ToBytes(string).length; } encoding = ("" + encoding).toLowerCase(); loweredCase = true; } } } Buffer2.byteLength = byteLength; function slowToString(encoding, start, end) { var loweredCase = false; if (start === void 0 || start < 0) { start = 0; } if (start > this.length) { return ""; } if (end === void 0 || end > this.length) { end = this.length; } if (end <= 0) { return ""; } end >>>= 0; start >>>= 0; if (end <= start) { return ""; } if (!encoding) encoding = "utf8"; while (true) { switch (encoding) { case "hex": return hexSlice(this, start, end); case "utf8": case "utf-8": return utf8Slice(this, start, end); case "ascii": return asciiSlice(this, start, end); case "latin1": case "binary": return latin1Slice(this, start, end); case "base64": return base64Slice(this, start, end); case "ucs2": case "ucs-2": case "utf16le": case "utf-16le": return utf16leSlice(this, start, end); default: if (loweredCase) throw new TypeError("Unknown encoding: " + encoding); encoding = (encoding + "").toLowerCase(); loweredCase = true; } } } Buffer2.prototype._isBuffer = true; function swap(b, n, m) { var i = b[n]; b[n] = b[m]; b[m] = i; } Buffer2.prototype.swap16 = function swap16() { var len = this.length; if (len % 2 !== 0) { throw new RangeError("Buffer size must be a multiple of 16-bits"); } for (var i = 0; i < len; i += 2) { swap(this, i, i + 1); } return this; }; Buffer2.prototype.swap32 = function swap32() { var len = this.length; if (len % 4 !== 0) { throw new RangeError("Buffer size must be a multiple of 32-bits"); } for (var i = 0; i < len; i += 4) { swap(this, i, i + 3); swap(this, i + 1, i + 2); } return this; }; Buffer2.prototype.swap64 = function swap64() { var len = this.length; if (len % 8 !== 0) { throw new RangeError("Buffer size must be a multiple of 64-bits"); } for (var i = 0; i < len; i += 8) { swap(this, i, i + 7); swap(this, i + 1, i + 6); swap(this, i + 2, i + 5); swap(this, i + 3, i + 4); } return this; }; Buffer2.prototype.toString = function toString() { var length = this.length; if (length === 0) return ""; if (arguments.length === 0) return utf8Slice(this, 0, length); return slowToString.apply(this, arguments); }; Buffer2.prototype.toLocaleString = Buffer2.prototype.toString; Buffer2.prototype.equals = function equals(b) { if (!Buffer2.isBuffer(b)) throw new TypeError("Argument must be a Buffer"); if (this === b) return true; return Buffer2.compare(this, b) === 0; }; Buffer2.prototype.inspect = function inspect() { var str = ""; var max = exports.INSPECT_MAX_BYTES; str = this.toString("hex", 0, max).replace(/(.{2})/g, "$1 ").trim(); if (this.length > max) str += " ... "; return ""; }; if (customInspectSymbol) { Buffer2.prototype[customInspectSymbol] = Buffer2.prototype.inspect; } Buffer2.prototype.compare = function compare(target, start, end, thisStart, thisEnd) { if (isInstance(target, Uint8Array)) { target = Buffer2.from(target, target.offset, target.byteLength); } if (!Buffer2.isBuffer(target)) { throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. Received type ' + typeof target); } if (start === void 0) { start = 0; } if (end === void 0) { end = target ? target.length : 0; } if (thisStart === void 0) { thisStart = 0; } if (thisEnd === void 0) { thisEnd = this.length; } if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { throw new RangeError("out of range index"); } if (thisStart >= thisEnd && start >= end) { return 0; } if (thisStart >= thisEnd) { return -1; } if (start >= end) { return 1; } start >>>= 0; end >>>= 0; thisStart >>>= 0; thisEnd >>>= 0; if (this === target) return 0; var x = thisEnd - thisStart; var y = end - start; var len = Math.min(x, y); var thisCopy = this.slice(thisStart, thisEnd); var targetCopy = target.slice(start, end); for (var i = 0; i < len; ++i) { if (thisCopy[i] !== targetCopy[i]) { x = thisCopy[i]; y = targetCopy[i]; break; } } if (x < y) return -1; if (y < x) return 1; return 0; }; function bidirectionalIndexOf(buffer2, val, byteOffset, encoding, dir) { if (buffer2.length === 0) return -1; if (typeof byteOffset === "string") { encoding = byteOffset; byteOffset = 0; } else if (byteOffset > 2147483647) { byteOffset = 2147483647; } else if (byteOffset < -2147483648) { byteOffset = -2147483648; } byteOffset = +byteOffset; if (numberIsNaN(byteOffset)) { byteOffset = dir ? 0 : buffer2.length - 1; } if (byteOffset < 0) byteOffset = buffer2.length + byteOffset; if (byteOffset >= buffer2.length) { if (dir) return -1; else byteOffset = buffer2.length - 1; } else if (byteOffset < 0) { if (dir) byteOffset = 0; else return -1; } if (typeof val === "string") { val = Buffer2.from(val, encoding); } if (Buffer2.isBuffer(val)) { if (val.length === 0) { return -1; } return arrayIndexOf(buffer2, val, byteOffset, encoding, dir); } else if (typeof val === "number") { val = val & 255; if (typeof Uint8Array.prototype.indexOf === "function") { if (dir) { return Uint8Array.prototype.indexOf.call(buffer2, val, byteOffset); } else { return Uint8Array.prototype.lastIndexOf.call(buffer2, val, byteOffset); } } return arrayIndexOf(buffer2, [val], byteOffset, encoding, dir); } throw new TypeError("val must be string, number or Buffer"); } function arrayIndexOf(arr, val, byteOffset, encoding, dir) { var indexSize = 1; var arrLength = arr.length; var valLength = val.length; if (encoding !== void 0) { encoding = String(encoding).toLowerCase(); if (encoding === "ucs2" || encoding === "ucs-2" || encoding === "utf16le" || encoding === "utf-16le") { if (arr.length < 2 || val.length < 2) { return -1; } indexSize = 2; arrLength /= 2; valLength /= 2; byteOffset /= 2; } } function read(buf, i2) { if (indexSize === 1) { return buf[i2]; } else { return buf.readUInt16BE(i2 * indexSize); } } var i; if (dir) { var foundIndex = -1; for (i = byteOffset; i < arrLength; i++) { if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { if (foundIndex === -1) foundIndex = i; if (i - foundIndex + 1 === valLength) return foundIndex * indexSize; } else { if (foundIndex !== -1) i -= i - foundIndex; foundIndex = -1; } } } else { if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength; for (i = byteOffset; i >= 0; i--) { var found = true; for (var j = 0; j < valLength; j++) { if (read(arr, i + j) !== read(val, j)) { found = false; break; } } if (found) return i; } } return -1; } Buffer2.prototype.includes = function includes(val, byteOffset, encoding) { return this.indexOf(val, byteOffset, encoding) !== -1; }; Buffer2.prototype.indexOf = function indexOf(val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, true); }; Buffer2.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, false); }; function hexWrite(buf, string, offset, length) { offset = Number(offset) || 0; var remaining = buf.length - offset; if (!length) { length = remaining; } else { length = Number(length); if (length > remaining) { length = remaining; } } var strLen = string.length; if (length > strLen / 2) { length = strLen / 2; } for (var i = 0; i < length; ++i) { var parsed = parseInt(string.substr(i * 2, 2), 16); if (numberIsNaN(parsed)) return i; buf[offset + i] = parsed; } return i; } function utf8Write(buf, string, offset, length) { return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length); } function asciiWrite(buf, string, offset, length) { return blitBuffer(asciiToBytes(string), buf, offset, length); } function base64Write(buf, string, offset, length) { return blitBuffer(base64ToBytes(string), buf, offset, length); } function ucs2Write(buf, string, offset, length) { return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length); } Buffer2.prototype.write = function write(string, offset, length, encoding) { if (offset === void 0) { encoding = "utf8"; length = this.length; offset = 0; } else if (length === void 0 && typeof offset === "string") { encoding = offset; length = this.length; offset = 0; } else if (isFinite(offset)) { offset = offset >>> 0; if (isFinite(length)) { length = length >>> 0; if (encoding === void 0) encoding = "utf8"; } else { encoding = length; length = void 0; } } else { throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported"); } var remaining = this.length - offset; if (length === void 0 || length > remaining) length = remaining; if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) { throw new RangeError("Attempt to write outside buffer bounds"); } if (!encoding) encoding = "utf8"; var loweredCase = false; for (; ; ) { switch (encoding) { case "hex": return hexWrite(this, string, offset, length); case "utf8": case "utf-8": return utf8Write(this, string, offset, length); case "ascii": case "latin1": case "binary": return asciiWrite(this, string, offset, length); case "base64": return base64Write(this, string, offset, length); case "ucs2": case "ucs-2": case "utf16le": case "utf-16le": return ucs2Write(this, string, offset, length); default: if (loweredCase) throw new TypeError("Unknown encoding: " + encoding); encoding = ("" + encoding).toLowerCase(); loweredCase = true; } } }; Buffer2.prototype.toJSON = function toJSON() { return { type: "Buffer", data: Array.prototype.slice.call(this._arr || this, 0) }; }; function base64Slice(buf, start, end) { if (start === 0 && end === buf.length) { return base64.fromByteArray(buf); } else { return base64.fromByteArray(buf.slice(start, end)); } } function utf8Slice(buf, start, end) { end = Math.min(buf.length, end); var res = []; var i = start; while (i < end) { var firstByte = buf[i]; var codePoint = null; var bytesPerSequence = firstByte > 239 ? 4 : firstByte > 223 ? 3 : firstByte > 191 ? 2 : 1; if (i + bytesPerSequence <= end) { var secondByte, thirdByte, fourthByte, tempCodePoint; switch (bytesPerSequence) { case 1: if (firstByte < 128) { codePoint = firstByte; } break; case 2: secondByte = buf[i + 1]; if ((secondByte & 192) === 128) { tempCodePoint = (firstByte & 31) << 6 | secondByte & 63; if (tempCodePoint > 127) { codePoint = tempCodePoint; } } break; case 3: secondByte = buf[i + 1]; thirdByte = buf[i + 2]; if ((secondByte & 192) === 128 && (thirdByte & 192) === 128) { tempCodePoint = (firstByte & 15) << 12 | (secondByte & 63) << 6 | thirdByte & 63; if (tempCodePoint > 2047 && (tempCodePoint < 55296 || tempCodePoint > 57343)) { codePoint = tempCodePoint; } } break; case 4: secondByte = buf[i + 1]; thirdByte = buf[i + 2]; fourthByte = buf[i + 3]; if ((secondByte & 192) === 128 && (thirdByte & 192) === 128 && (fourthByte & 192) === 128) { tempCodePoint = (firstByte & 15) << 18 | (secondByte & 63) << 12 | (thirdByte & 63) << 6 | fourthByte & 63; if (tempCodePoint > 65535 && tempCodePoint < 1114112) { codePoint = tempCodePoint; } } } } if (codePoint === null) { codePoint = 65533; bytesPerSequence = 1; } else if (codePoint > 65535) { codePoint -= 65536; res.push(codePoint >>> 10 & 1023 | 55296); codePoint = 56320 | codePoint & 1023; } res.push(codePoint); i += bytesPerSequence; } return decodeCodePointsArray(res); } var MAX_ARGUMENTS_LENGTH = 4096; function decodeCodePointsArray(codePoints) { var len = codePoints.length; if (len <= MAX_ARGUMENTS_LENGTH) { return String.fromCharCode.apply(String, codePoints); } var res = ""; var i = 0; while (i < len) { res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)); } return res; } function asciiSlice(buf, start, end) { var ret = ""; end = Math.min(buf.length, end); for (var i = start; i < end; ++i) { ret += String.fromCharCode(buf[i] & 127); } return ret; } function latin1Slice(buf, start, end) { var ret = ""; end = Math.min(buf.length, end); for (var i = start; i < end; ++i) { ret += String.fromCharCode(buf[i]); } return ret; } function hexSlice(buf, start, end) { var len = buf.length; if (!start || start < 0) start = 0; if (!end || end < 0 || end > len) end = len; var out = ""; for (var i = start; i < end; ++i) { out += hexSliceLookupTable[buf[i]]; } return out; } function utf16leSlice(buf, start, end) { var bytes = buf.slice(start, end); var res = ""; for (var i = 0; i < bytes.length - 1; i += 2) { res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256); } return res; } Buffer2.prototype.slice = function slice(start, end) { var len = this.length; start = ~~start; end = end === void 0 ? len : ~~end; if (start < 0) { start += len; if (start < 0) start = 0; } else if (start > len) { start = len; } if (end < 0) { end += len; if (end < 0) end = 0; } else if (end > len) { end = len; } if (end < start) end = start; var newBuf = this.subarray(start, end); Object.setPrototypeOf(newBuf, Buffer2.prototype); return newBuf; }; function checkOffset(offset, ext, length) { if (offset % 1 !== 0 || offset < 0) throw new RangeError("offset is not uint"); if (offset + ext > length) throw new RangeError("Trying to access beyond buffer length"); } Buffer2.prototype.readUintLE = Buffer2.prototype.readUIntLE = function readUIntLE(offset, byteLength2, noAssert) { offset = offset >>> 0; byteLength2 = byteLength2 >>> 0; if (!noAssert) checkOffset(offset, byteLength2, this.length); var val = this[offset]; var mul = 1; var i = 0; while (++i < byteLength2 && (mul *= 256)) { val += this[offset + i] * mul; } return val; }; Buffer2.prototype.readUintBE = Buffer2.prototype.readUIntBE = function readUIntBE(offset, byteLength2, noAssert) { offset = offset >>> 0; byteLength2 = byteLength2 >>> 0; if (!noAssert) { checkOffset(offset, byteLength2, this.length); } var val = this[offset + --byteLength2]; var mul = 1; while (byteLength2 > 0 && (mul *= 256)) { val += this[offset + --byteLength2] * mul; } return val; }; Buffer2.prototype.readUint8 = Buffer2.prototype.readUInt8 = function readUInt8(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 1, this.length); return this[offset]; }; Buffer2.prototype.readUint16LE = Buffer2.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 2, this.length); return this[offset] | this[offset + 1] << 8; }; Buffer2.prototype.readUint16BE = Buffer2.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 2, this.length); return this[offset] << 8 | this[offset + 1]; }; Buffer2.prototype.readUint32LE = Buffer2.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 4, this.length); return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 16777216; }; Buffer2.prototype.readUint32BE = Buffer2.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 4, this.length); return this[offset] * 16777216 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]); }; Buffer2.prototype.readIntLE = function readIntLE(offset, byteLength2, noAssert) { offset = offset >>> 0; byteLength2 = byteLength2 >>> 0; if (!noAssert) checkOffset(offset, byteLength2, this.length); var val = this[offset]; var mul = 1; var i = 0; while (++i < byteLength2 && (mul *= 256)) { val += this[offset + i] * mul; } mul *= 128; if (val >= mul) val -= Math.pow(2, 8 * byteLength2); return val; }; Buffer2.prototype.readIntBE = function readIntBE(offset, byteLength2, noAssert) { offset = offset >>> 0; byteLength2 = byteLength2 >>> 0; if (!noAssert) checkOffset(offset, byteLength2, this.length); var i = byteLength2; var mul = 1; var val = this[offset + --i]; while (i > 0 && (mul *= 256)) { val += this[offset + --i] * mul; } mul *= 128; if (val >= mul) val -= Math.pow(2, 8 * byteLength2); return val; }; Buffer2.prototype.readInt8 = function readInt8(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 1, this.length); if (!(this[offset] & 128)) return this[offset]; return (255 - this[offset] + 1) * -1; }; Buffer2.prototype.readInt16LE = function readInt16LE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 2, this.length); var val = this[offset] | this[offset + 1] << 8; return val & 32768 ? val | 4294901760 : val; }; Buffer2.prototype.readInt16BE = function readInt16BE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 2, this.length); var val = this[offset + 1] | this[offset] << 8; return val & 32768 ? val | 4294901760 : val; }; Buffer2.prototype.readInt32LE = function readInt32LE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 4, this.length); return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24; }; Buffer2.prototype.readInt32BE = function readInt32BE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 4, this.length); return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]; }; Buffer2.prototype.readFloatLE = function readFloatLE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 4, this.length); return ieee7542.read(this, offset, true, 23, 4); }; Buffer2.prototype.readFloatBE = function readFloatBE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 4, this.length); return ieee7542.read(this, offset, false, 23, 4); }; Buffer2.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 8, this.length); return ieee7542.read(this, offset, true, 52, 8); }; Buffer2.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) { offset = offset >>> 0; if (!noAssert) checkOffset(offset, 8, this.length); return ieee7542.read(this, offset, false, 52, 8); }; function checkInt(buf, value, offset, ext, max, min) { if (!Buffer2.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance'); if (value > max || value < min) throw new RangeError('"value" argument is out of bounds'); if (offset + ext > buf.length) throw new RangeError("Index out of range"); } Buffer2.prototype.writeUintLE = Buffer2.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength2, noAssert) { value = +value; offset = offset >>> 0; byteLength2 = byteLength2 >>> 0; if (!noAssert) { var maxBytes = Math.pow(2, 8 * byteLength2) - 1; checkInt(this, value, offset, byteLength2, maxBytes, 0); } var mul = 1; var i = 0; this[offset] = value & 255; while (++i < byteLength2 && (mul *= 256)) { this[offset + i] = value / mul & 255; } return offset + byteLength2; }; Buffer2.prototype.writeUintBE = Buffer2.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength2, noAssert) { value = +value; offset = offset >>> 0; byteLength2 = byteLength2 >>> 0; if (!noAssert) { var maxBytes = Math.pow(2, 8 * byteLength2) - 1; checkInt(this, value, offset, byteLength2, maxBytes, 0); } var i = byteLength2 - 1; var mul = 1; this[offset + i] = value & 255; while (--i >= 0 && (mul *= 256)) { this[offset + i] = value / mul & 255; } return offset + byteLength2; }; Buffer2.prototype.writeUint8 = Buffer2.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 1, 255, 0); this[offset] = value & 255; return offset + 1; }; Buffer2.prototype.writeUint16LE = Buffer2.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 2, 65535, 0); this[offset] = value & 255; this[offset + 1] = value >>> 8; return offset + 2; }; Buffer2.prototype.writeUint16BE = Buffer2.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 2, 65535, 0); this[offset] = value >>> 8; this[offset + 1] = value & 255; return offset + 2; }; Buffer2.prototype.writeUint32LE = Buffer2.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 4, 4294967295, 0); this[offset + 3] = value >>> 24; this[offset + 2] = value >>> 16; this[offset + 1] = value >>> 8; this[offset] = value & 255; return offset + 4; }; Buffer2.prototype.writeUint32BE = Buffer2.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 4, 4294967295, 0); this[offset] = value >>> 24; this[offset + 1] = value >>> 16; this[offset + 2] = value >>> 8; this[offset + 3] = value & 255; return offset + 4; }; Buffer2.prototype.writeIntLE = function writeIntLE(value, offset, byteLength2, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) { var limit = Math.pow(2, 8 * byteLength2 - 1); checkInt(this, value, offset, byteLength2, limit - 1, -limit); } var i = 0; var mul = 1; var sub = 0; this[offset] = value & 255; while (++i < byteLength2 && (mul *= 256)) { if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { sub = 1; } this[offset + i] = (value / mul >> 0) - sub & 255; } return offset + byteLength2; }; Buffer2.prototype.writeIntBE = function writeIntBE(value, offset, byteLength2, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) { var limit = Math.pow(2, 8 * byteLength2 - 1); checkInt(this, value, offset, byteLength2, limit - 1, -limit); } var i = byteLength2 - 1; var mul = 1; var sub = 0; this[offset + i] = value & 255; while (--i >= 0 && (mul *= 256)) { if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { sub = 1; } this[offset + i] = (value / mul >> 0) - sub & 255; } return offset + byteLength2; }; Buffer2.prototype.writeInt8 = function writeInt8(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 1, 127, -128); if (value < 0) value = 255 + value + 1; this[offset] = value & 255; return offset + 1; }; Buffer2.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 2, 32767, -32768); this[offset] = value & 255; this[offset + 1] = value >>> 8; return offset + 2; }; Buffer2.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 2, 32767, -32768); this[offset] = value >>> 8; this[offset + 1] = value & 255; return offset + 2; }; Buffer2.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 4, 2147483647, -2147483648); this[offset] = value & 255; this[offset + 1] = value >>> 8; this[offset + 2] = value >>> 16; this[offset + 3] = value >>> 24; return offset + 4; }; Buffer2.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) checkInt(this, value, offset, 4, 2147483647, -2147483648); if (value < 0) value = 4294967295 + value + 1; this[offset] = value >>> 24; this[offset + 1] = value >>> 16; this[offset + 2] = value >>> 8; this[offset + 3] = value & 255; return offset + 4; }; function checkIEEE754(buf, value, offset, ext, max, min) { if (offset + ext > buf.length) throw new RangeError("Index out of range"); if (offset < 0) throw new RangeError("Index out of range"); } function writeFloat(buf, value, offset, littleEndian, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) { checkIEEE754(buf, value, offset, 4); } ieee7542.write(buf, value, offset, littleEndian, 23, 4); return offset + 4; } Buffer2.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) { return writeFloat(this, value, offset, true, noAssert); }; Buffer2.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) { return writeFloat(this, value, offset, false, noAssert); }; function writeDouble(buf, value, offset, littleEndian, noAssert) { value = +value; offset = offset >>> 0; if (!noAssert) { checkIEEE754(buf, value, offset, 8); } ieee7542.write(buf, value, offset, littleEndian, 52, 8); return offset + 8; } Buffer2.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) { return writeDouble(this, value, offset, true, noAssert); }; Buffer2.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) { return writeDouble(this, value, offset, false, noAssert); }; Buffer2.prototype.copy = function copy(target, targetStart, start, end) { if (!Buffer2.isBuffer(target)) throw new TypeError("argument should be a Buffer"); if (!start) start = 0; if (!end && end !== 0) end = this.length; if (targetStart >= target.length) targetStart = target.length; if (!targetStart) targetStart = 0; if (end > 0 && end < start) end = start; if (end === start) return 0; if (target.length === 0 || this.length === 0) return 0; if (targetStart < 0) { throw new RangeError("targetStart out of bounds"); } if (start < 0 || start >= this.length) throw new RangeError("Index out of range"); if (end < 0) throw new RangeError("sourceEnd out of bounds"); if (end > this.length) end = this.length; if (target.length - targetStart < end - start) { end = target.length - targetStart + start; } var len = end - start; if (this === target && typeof Uint8Array.prototype.copyWithin === "function") { this.copyWithin(targetStart, start, end); } else { Uint8Array.prototype.set.call(target, this.subarray(start, end), targetStart); } return len; }; Buffer2.prototype.fill = function fill(val, start, end, encoding) { if (typeof val === "string") { if (typeof start === "string") { encoding = start; start = 0; end = this.length; } else if (typeof end === "string") { encoding = end; end = this.length; } if (encoding !== void 0 && typeof encoding !== "string") { throw new TypeError("encoding must be a string"); } if (typeof encoding === "string" && !Buffer2.isEncoding(encoding)) { throw new TypeError("Unknown encoding: " + encoding); } if (val.length === 1) { var code = val.charCodeAt(0); if (encoding === "utf8" && code < 128 || encoding === "latin1") { val = code; } } } else if (typeof val === "number") { val = val & 255; } else if (typeof val === "boolean") { val = Number(val); } if (start < 0 || this.length < start || this.length < end) { throw new RangeError("Out of range index"); } if (end <= start) { return this; } start = start >>> 0; end = end === void 0 ? this.length : end >>> 0; if (!val) val = 0; var i; if (typeof val === "number") { for (i = start; i < end; ++i) { this[i] = val; } } else { var bytes = Buffer2.isBuffer(val) ? val : Buffer2.from(val, encoding); var len = bytes.length; if (len === 0) { throw new TypeError('The value "' + val + '" is invalid for argument "value"'); } for (i = 0; i < end - start; ++i) { this[i + start] = bytes[i % len]; } } return this; }; var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g; function base64clean(str) { str = str.split("=")[0]; str = str.trim().replace(INVALID_BASE64_RE, ""); if (str.length < 2) return ""; while (str.length % 4 !== 0) { str = str + "="; } return str; } function utf8ToBytes(string, units) { units = units || Infinity; var codePoint; var length = string.length; var leadSurrogate = null; var bytes = []; for (var i = 0; i < length; ++i) { codePoint = string.charCodeAt(i); if (codePoint > 55295 && codePoint < 57344) { if (!leadSurrogate) { if (codePoint > 56319) { if ((units -= 3) > -1) bytes.push(239, 191, 189); continue; } else if (i + 1 === length) { if ((units -= 3) > -1) bytes.push(239, 191, 189); continue; } leadSurrogate = codePoint; continue; } if (codePoint < 56320) { if ((units -= 3) > -1) bytes.push(239, 191, 189); leadSurrogate = codePoint; continue; } codePoint = (leadSurrogate - 55296 << 10 | codePoint - 56320) + 65536; } else if (leadSurrogate) { if ((units -= 3) > -1) bytes.push(239, 191, 189); } leadSurrogate = null; if (codePoint < 128) { if ((units -= 1) < 0) break; bytes.push(codePoint); } else if (codePoint < 2048) { if ((units -= 2) < 0) break; bytes.push(codePoint >> 6 | 192, codePoint & 63 | 128); } else if (codePoint < 65536) { if ((units -= 3) < 0) break; bytes.push(codePoint >> 12 | 224, codePoint >> 6 & 63 | 128, codePoint & 63 | 128); } else if (codePoint < 1114112) { if ((units -= 4) < 0) break; bytes.push(codePoint >> 18 | 240, codePoint >> 12 & 63 | 128, codePoint >> 6 & 63 | 128, codePoint & 63 | 128); } else { throw new Error("Invalid code point"); } } return bytes; } function asciiToBytes(str) { var byteArray = []; for (var i = 0; i < str.length; ++i) { byteArray.push(str.charCodeAt(i) & 255); } return byteArray; } function utf16leToBytes(str, units) { var c, hi, lo; var byteArray = []; for (var i = 0; i < str.length; ++i) { if ((units -= 2) < 0) break; c = str.charCodeAt(i); hi = c >> 8; lo = c % 256; byteArray.push(lo); byteArray.push(hi); } return byteArray; } function base64ToBytes(str) { return base64.toByteArray(base64clean(str)); } function blitBuffer(src, dst, offset, length) { for (var i = 0; i < length; ++i) { if (i + offset >= dst.length || i >= src.length) break; dst[i + offset] = src[i]; } return i; } function isInstance(obj, type) { return obj instanceof type || obj != null && obj.constructor != null && obj.constructor.name != null && obj.constructor.name === type.name; } function numberIsNaN(obj) { return obj !== obj; } var hexSliceLookupTable = function() { var alphabet = "0123456789abcdef"; var table = new Array(256); for (var i = 0; i < 16; ++i) { var i16 = i * 16; for (var j = 0; j < 16; ++j) { table[i16 + j] = alphabet[i] + alphabet[j]; } } return table; }(); }); var Buffer = buffer.Buffer; var INSPECT_MAX_BYTES = buffer.INSPECT_MAX_BYTES; var SlowBuffer = buffer.SlowBuffer; export default buffer; var kMaxLength = buffer.kMaxLength; export {Buffer, INSPECT_MAX_BYTES, SlowBuffer, buffer as __moduleExports, kMaxLength};