added hover prefixer

1 files changed, 1113 insertions, 0 deletions

diff --git a/node_modules/webpack/lib/serialization/BinaryMiddleware.js b/node_modules/webpack/lib/serialization/BinaryMiddleware.js
new file mode 100644
index 00000000..c2969b16
--- /dev/null
+++ b/node_modules/webpack/lib/serialization/BinaryMiddleware.js
@@ -0,0 +1,1113 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+const memoize = require("../util/memoize");
+const SerializerMiddleware = require("./SerializerMiddleware");
+
+/** @typedef {import("./types").BufferSerializableType} BufferSerializableType */
+/** @typedef {import("./types").PrimitiveSerializableType} PrimitiveSerializableType */
+
+/*
+Format:
+
+File -> Section*
+
+Section -> NullsSection |
+					 BooleansSection |
+					 F64NumbersSection |
+					 I32NumbersSection |
+					 I8NumbersSection |
+					 ShortStringSection |
+					 BigIntSection |
+					 I32BigIntSection |
+					 I8BigIntSection
+					 StringSection |
+					 BufferSection |
+					 NopSection
+
+
+
+NullsSection ->
+	NullHeaderByte | Null2HeaderByte | Null3HeaderByte |
+	Nulls8HeaderByte 0xnn (n:count - 4) |
+	Nulls32HeaderByte n:ui32 (n:count - 260) |
+BooleansSection -> TrueHeaderByte | FalseHeaderByte | BooleansSectionHeaderByte BooleansCountAndBitsByte
+F64NumbersSection -> F64NumbersSectionHeaderByte f64*
+I32NumbersSection -> I32NumbersSectionHeaderByte i32*
+I8NumbersSection -> I8NumbersSectionHeaderByte i8*
+ShortStringSection -> ShortStringSectionHeaderByte ascii-byte*
+StringSection -> StringSectionHeaderByte i32:length utf8-byte*
+BufferSection -> BufferSectionHeaderByte i32:length byte*
+NopSection --> NopSectionHeaderByte
+BigIntSection -> BigIntSectionHeaderByte i32:length ascii-byte*
+I32BigIntSection -> I32BigIntSectionHeaderByte i32
+I8BigIntSection -> I8BigIntSectionHeaderByte i8
+
+ShortStringSectionHeaderByte -> 0b1nnn_nnnn (n:length)
+
+F64NumbersSectionHeaderByte -> 0b001n_nnnn (n:count - 1)
+I32NumbersSectionHeaderByte -> 0b010n_nnnn (n:count - 1)
+I8NumbersSectionHeaderByte -> 0b011n_nnnn (n:count - 1)
+
+NullsSectionHeaderByte -> 0b0001_nnnn (n:count - 1)
+BooleansCountAndBitsByte ->
+	0b0000_1xxx (count = 3) |
+	0b0001_xxxx (count = 4) |
+	0b001x_xxxx (count = 5) |
+	0b01xx_xxxx (count = 6) |
+	0b1nnn_nnnn (n:count - 7, 7 <= count <= 133)
+	0xff n:ui32 (n:count, 134 <= count < 2^32)
+
+StringSectionHeaderByte -> 0b0000_1110
+BufferSectionHeaderByte -> 0b0000_1111
+NopSectionHeaderByte -> 0b0000_1011
+BigIntSectionHeaderByte -> 0b0001_1010
+I32BigIntSectionHeaderByte -> 0b0001_1100
+I8BigIntSectionHeaderByte -> 0b0001_1011
+FalseHeaderByte -> 0b0000_1100
+TrueHeaderByte -> 0b0000_1101
+
+RawNumber -> n (n <= 10)
+
+*/
+
+const LAZY_HEADER = 0x0b;
+const TRUE_HEADER = 0x0c;
+const FALSE_HEADER = 0x0d;
+const BOOLEANS_HEADER = 0x0e;
+const NULL_HEADER = 0x10;
+const NULL2_HEADER = 0x11;
+const NULL3_HEADER = 0x12;
+const NULLS8_HEADER = 0x13;
+const NULLS32_HEADER = 0x14;
+const NULL_AND_I8_HEADER = 0x15;
+const NULL_AND_I32_HEADER = 0x16;
+const NULL_AND_TRUE_HEADER = 0x17;
+const NULL_AND_FALSE_HEADER = 0x18;
+const BIGINT_HEADER = 0x1a;
+const BIGINT_I8_HEADER = 0x1b;
+const BIGINT_I32_HEADER = 0x1c;
+const STRING_HEADER = 0x1e;
+const BUFFER_HEADER = 0x1f;
+const I8_HEADER = 0x60;
+const I32_HEADER = 0x40;
+const F64_HEADER = 0x20;
+const SHORT_STRING_HEADER = 0x80;
+
+/** Uplift high-order bits */
+const NUMBERS_HEADER_MASK = 0xe0; // 0b1010_0000
+const NUMBERS_COUNT_MASK = 0x1f; // 0b0001_1111
+const SHORT_STRING_LENGTH_MASK = 0x7f; // 0b0111_1111
+
+const HEADER_SIZE = 1;
+const I8_SIZE = 1;
+const I32_SIZE = 4;
+const F64_SIZE = 8;
+
+const MEASURE_START_OPERATION = Symbol("MEASURE_START_OPERATION");
+const MEASURE_END_OPERATION = Symbol("MEASURE_END_OPERATION");
+
+/** @typedef {typeof MEASURE_START_OPERATION} MEASURE_START_OPERATION_TYPE */
+/** @typedef {typeof MEASURE_END_OPERATION} MEASURE_END_OPERATION_TYPE */
+
+/**
+ * @param {number} n number
+ * @returns {0 | 1 | 2} type of number for serialization
+ */
+const identifyNumber = n => {
+	if (n === (n | 0)) {
+		if (n <= 127 && n >= -128) return 0;
+		if (n <= 2147483647 && n >= -2147483648) return 1;
+	}
+	return 2;
+};
+
+/**
+ * @param {bigint} n bigint
+ * @returns {0 | 1 | 2} type of bigint for serialization
+ */
+const identifyBigInt = n => {
+	if (n <= BigInt(127) && n >= BigInt(-128)) return 0;
+	if (n <= BigInt(2147483647) && n >= BigInt(-2147483648)) return 1;
+	return 2;
+};
+
+/**
+ * @typedef {PrimitiveSerializableType[]} DeserializedType
+ * @typedef {BufferSerializableType[]} SerializedType
+ * @extends {SerializerMiddleware<DeserializedType, SerializedType>}
+ */
+class BinaryMiddleware extends SerializerMiddleware {
+	/**
+	 * @param {DeserializedType} data data
+	 * @param {Object} context context object
+	 * @returns {SerializedType|Promise<SerializedType>} serialized data
+	 */
+	serialize(data, context) {
+		return this._serialize(data, context);
+	}
+
+	_serializeLazy(fn, context) {
+		return SerializerMiddleware.serializeLazy(fn, data =>
+			this._serialize(data, context)
+		);
+	}
+
+	/**
+	 * @param {DeserializedType} data data
+	 * @param {Object} context context object
+	 * @param {{ leftOverBuffer: Buffer | null, allocationSize: number, increaseCounter: number }} allocationScope allocation scope
+	 * @returns {SerializedType} serialized data
+	 */
+	_serialize(
+		data,
+		context,
+		allocationScope = {
+			allocationSize: 1024,
+			increaseCounter: 0,
+			leftOverBuffer: null
+		}
+	) {
+		/** @type {Buffer} */
+		let leftOverBuffer = null;
+		/** @type {BufferSerializableType[]} */
+		let buffers = [];
+		/** @type {Buffer} */
+		let currentBuffer = allocationScope ? allocationScope.leftOverBuffer : null;
+		allocationScope.leftOverBuffer = null;
+		let currentPosition = 0;
+		if (currentBuffer === null) {
+			currentBuffer = Buffer.allocUnsafe(allocationScope.allocationSize);
+		}
+		const allocate = bytesNeeded => {
+			if (currentBuffer !== null) {
+				if (currentBuffer.length - currentPosition >= bytesNeeded) return;
+				flush();
+			}
+			if (leftOverBuffer && leftOverBuffer.length >= bytesNeeded) {
+				currentBuffer = leftOverBuffer;
+				leftOverBuffer = null;
+			} else {
+				currentBuffer = Buffer.allocUnsafe(
+					Math.max(bytesNeeded, allocationScope.allocationSize)
+				);
+				if (
+					!(allocationScope.increaseCounter =
+						(allocationScope.increaseCounter + 1) % 4) &&
+					allocationScope.allocationSize < 16777216
+				) {
+					allocationScope.allocationSize = allocationScope.allocationSize << 1;
+				}
+			}
+		};
+		const flush = () => {
+			if (currentBuffer !== null) {
+				if (currentPosition > 0) {
+					buffers.push(
+						Buffer.from(
+							currentBuffer.buffer,
+							currentBuffer.byteOffset,
+							currentPosition
+						)
+					);
+				}
+				if (
+					!leftOverBuffer ||
+					leftOverBuffer.length < currentBuffer.length - currentPosition
+				) {
+					leftOverBuffer = Buffer.from(
+						currentBuffer.buffer,
+						currentBuffer.byteOffset + currentPosition,
+						currentBuffer.byteLength - currentPosition
+					);
+				}
+
+				currentBuffer = null;
+				currentPosition = 0;
+			}
+		};
+		/**
+		 * @param {number} byte byte
+		 */
+		const writeU8 = byte => {
+			currentBuffer.writeUInt8(byte, currentPosition++);
+		};
+		/**
+		 * @param {number} ui32 ui32
+		 */
+		const writeU32 = ui32 => {
+			currentBuffer.writeUInt32LE(ui32, currentPosition);
+			currentPosition += 4;
+		};
+		/** @type {number[]} */
+		const measureStack = [];
+		const measureStart = () => {
+			measureStack.push(buffers.length, currentPosition);
+		};
+		/**
+		 * @returns {number} size
+		 */
+		const measureEnd = () => {
+			const oldPos = measureStack.pop();
+			const buffersIndex = measureStack.pop();
+			let size = currentPosition - oldPos;
+			for (let i = buffersIndex; i < buffers.length; i++) {
+				size += buffers[i].length;
+			}
+			return size;
+		};
+		for (let i = 0; i < data.length; i++) {
+			const thing = data[i];
+			switch (typeof thing) {
+				case "function": {
+					if (!SerializerMiddleware.isLazy(thing))
+						throw new Error("Unexpected function " + thing);
+					/** @type {SerializedType | (() => SerializedType)} */
+					let serializedData =
+						SerializerMiddleware.getLazySerializedValue(thing);
+					if (serializedData === undefined) {
+						if (SerializerMiddleware.isLazy(thing, this)) {
+							flush();
+							allocationScope.leftOverBuffer = leftOverBuffer;
+							const result =
+								/** @type {(Exclude<PrimitiveSerializableType, Promise<PrimitiveSerializableType>>)[]} */ (
+									thing()
+								);
+							const data = this._serialize(result, context, allocationScope);
+							leftOverBuffer = allocationScope.leftOverBuffer;
+							allocationScope.leftOverBuffer = null;
+							SerializerMiddleware.setLazySerializedValue(thing, data);
+							serializedData = data;
+						} else {
+							serializedData = this._serializeLazy(thing, context);
+							flush();
+							buffers.push(serializedData);
+							break;
+						}
+					} else {
+						if (typeof serializedData === "function") {
+							flush();
+							buffers.push(serializedData);
+							break;
+						}
+					}
+					/** @type {number[]} */
+					const lengths = [];
+					for (const item of serializedData) {
+						let last;
+						if (typeof item === "function") {
+							lengths.push(0);
+						} else if (item.length === 0) {
+							// ignore
+						} else if (
+							lengths.length > 0 &&
+							(last = lengths[lengths.length - 1]) !== 0
+						) {
+							const remaining = 0xffffffff - last;
+							if (remaining >= item.length) {
+								lengths[lengths.length - 1] += item.length;
+							} else {
+								lengths.push(item.length - remaining);
+								lengths[lengths.length - 2] = 0xffffffff;
+							}
+						} else {
+							lengths.push(item.length);
+						}
+					}
+					allocate(5 + lengths.length * 4);
+					writeU8(LAZY_HEADER);
+					writeU32(lengths.length);
+					for (const l of lengths) {
+						writeU32(l);
+					}
+					flush();
+					for (const item of serializedData) {
+						buffers.push(item);
+					}
+					break;
+				}
+				case "string": {
+					const len = Buffer.byteLength(thing);
+					if (len >= 128 || len !== thing.length) {
+						allocate(len + HEADER_SIZE + I32_SIZE);
+						writeU8(STRING_HEADER);
+						writeU32(len);
+						currentBuffer.write(thing, currentPosition);
+						currentPosition += len;
+					} else if (len >= 70) {
+						allocate(len + HEADER_SIZE);
+						writeU8(SHORT_STRING_HEADER | len);
+
+						currentBuffer.write(thing, currentPosition, "latin1");
+						currentPosition += len;
+					} else {
+						allocate(len + HEADER_SIZE);
+						writeU8(SHORT_STRING_HEADER | len);
+
+						for (let i = 0; i < len; i++) {
+							currentBuffer[currentPosition++] = thing.charCodeAt(i);
+						}
+					}
+					break;
+				}
+				case "bigint": {
+					const type = identifyBigInt(thing);
+					if (type === 0 && thing >= 0 && thing <= BigInt(10)) {
+						// shortcut for very small bigints
+						allocate(HEADER_SIZE + I8_SIZE);
+						writeU8(BIGINT_I8_HEADER);
+						writeU8(Number(thing));
+						break;
+					}
+
+					switch (type) {
+						case 0: {
+							let n = 1;
+							allocate(HEADER_SIZE + I8_SIZE * n);
+							writeU8(BIGINT_I8_HEADER | (n - 1));
+							while (n > 0) {
+								currentBuffer.writeInt8(
+									Number(/** @type {bigint} */ (data[i])),
+									currentPosition
+								);
+								currentPosition += I8_SIZE;
+								n--;
+								i++;
+							}
+							i--;
+							break;
+						}
+						case 1: {
+							let n = 1;
+							allocate(HEADER_SIZE + I32_SIZE * n);
+							writeU8(BIGINT_I32_HEADER | (n - 1));
+							while (n > 0) {
+								currentBuffer.writeInt32LE(
+									Number(/** @type {bigint} */ (data[i])),
+									currentPosition
+								);
+								currentPosition += I32_SIZE;
+								n--;
+								i++;
+							}
+							i--;
+							break;
+						}
+						default: {
+							const value = thing.toString();
+							const len = Buffer.byteLength(value);
+							allocate(len + HEADER_SIZE + I32_SIZE);
+							writeU8(BIGINT_HEADER);
+							writeU32(len);
+							currentBuffer.write(value, currentPosition);
+							currentPosition += len;
+							break;
+						}
+					}
+					break;
+				}
+				case "number": {
+					const type = identifyNumber(thing);
+					if (type === 0 && thing >= 0 && thing <= 10) {
+						// shortcut for very small numbers
+						allocate(I8_SIZE);
+						writeU8(thing);
+						break;
+					}
+					/**
+					 * amount of numbers to write
+					 * @type {number}
+					 */
+					let n = 1;
+					for (; n < 32 && i + n < data.length; n++) {
+						const item = data[i + n];
+						if (typeof item !== "number") break;
+						if (identifyNumber(item) !== type) break;
+					}
+					switch (type) {
+						case 0:
+							allocate(HEADER_SIZE + I8_SIZE * n);
+							writeU8(I8_HEADER | (n - 1));
+							while (n > 0) {
+								currentBuffer.writeInt8(
+									/** @type {number} */ (data[i]),
+									currentPosition
+								);
+								currentPosition += I8_SIZE;
+								n--;
+								i++;
+							}
+							break;
+						case 1:
+							allocate(HEADER_SIZE + I32_SIZE * n);
+							writeU8(I32_HEADER | (n - 1));
+							while (n > 0) {
+								currentBuffer.writeInt32LE(
+									/** @type {number} */ (data[i]),
+									currentPosition
+								);
+								currentPosition += I32_SIZE;
+								n--;
+								i++;
+							}
+							break;
+						case 2:
+							allocate(HEADER_SIZE + F64_SIZE * n);
+							writeU8(F64_HEADER | (n - 1));
+							while (n > 0) {
+								currentBuffer.writeDoubleLE(
+									/** @type {number} */ (data[i]),
+									currentPosition
+								);
+								currentPosition += F64_SIZE;
+								n--;
+								i++;
+							}
+							break;
+					}
+
+					i--;
+					break;
+				}
+				case "boolean": {
+					let lastByte = thing === true ? 1 : 0;
+					const bytes = [];
+					let count = 1;
+					let n;
+					for (n = 1; n < 0xffffffff && i + n < data.length; n++) {
+						const item = data[i + n];
+						if (typeof item !== "boolean") break;
+						const pos = count & 0x7;
+						if (pos === 0) {
+							bytes.push(lastByte);
+							lastByte = item === true ? 1 : 0;
+						} else if (item === true) {
+							lastByte |= 1 << pos;
+						}
+						count++;
+					}
+					i += count - 1;
+					if (count === 1) {
+						allocate(HEADER_SIZE);
+						writeU8(lastByte === 1 ? TRUE_HEADER : FALSE_HEADER);
+					} else if (count === 2) {
+						allocate(HEADER_SIZE * 2);
+						writeU8(lastByte & 1 ? TRUE_HEADER : FALSE_HEADER);
+						writeU8(lastByte & 2 ? TRUE_HEADER : FALSE_HEADER);
+					} else if (count <= 6) {
+						allocate(HEADER_SIZE + I8_SIZE);
+						writeU8(BOOLEANS_HEADER);
+						writeU8((1 << count) | lastByte);
+					} else if (count <= 133) {
+						allocate(HEADER_SIZE + I8_SIZE + I8_SIZE * bytes.length + I8_SIZE);
+						writeU8(BOOLEANS_HEADER);
+						writeU8(0x80 | (count - 7));
+						for (const byte of bytes) writeU8(byte);
+						writeU8(lastByte);
+					} else {
+						allocate(
+							HEADER_SIZE +
+								I8_SIZE +
+								I32_SIZE +
+								I8_SIZE * bytes.length +
+								I8_SIZE
+						);
+						writeU8(BOOLEANS_HEADER);
+						writeU8(0xff);
+						writeU32(count);
+						for (const byte of bytes) writeU8(byte);
+						writeU8(lastByte);
+					}
+					break;
+				}
+				case "object": {
+					if (thing === null) {
+						let n;
+						for (n = 1; n < 0x100000104 && i + n < data.length; n++) {
+							const item = data[i + n];
+							if (item !== null) break;
+						}
+						i += n - 1;
+						if (n === 1) {
+							if (i + 1 < data.length) {
+								const next = data[i + 1];
+								if (next === true) {
+									allocate(HEADER_SIZE);
+									writeU8(NULL_AND_TRUE_HEADER);
+									i++;
+								} else if (next === false) {
+									allocate(HEADER_SIZE);
+									writeU8(NULL_AND_FALSE_HEADER);
+									i++;
+								} else if (typeof next === "number") {
+									const type = identifyNumber(next);
+									if (type === 0) {
+										allocate(HEADER_SIZE + I8_SIZE);
+										writeU8(NULL_AND_I8_HEADER);
+										currentBuffer.writeInt8(next, currentPosition);
+										currentPosition += I8_SIZE;
+										i++;
+									} else if (type === 1) {
+										allocate(HEADER_SIZE + I32_SIZE);
+										writeU8(NULL_AND_I32_HEADER);
+										currentBuffer.writeInt32LE(next, currentPosition);
+										currentPosition += I32_SIZE;
+										i++;
+									} else {
+										allocate(HEADER_SIZE);
+										writeU8(NULL_HEADER);
+									}
+								} else {
+									allocate(HEADER_SIZE);
+									writeU8(NULL_HEADER);
+								}
+							} else {
+								allocate(HEADER_SIZE);
+								writeU8(NULL_HEADER);
+							}
+						} else if (n === 2) {
+							allocate(HEADER_SIZE);
+							writeU8(NULL2_HEADER);
+						} else if (n === 3) {
+							allocate(HEADER_SIZE);
+							writeU8(NULL3_HEADER);
+						} else if (n < 260) {
+							allocate(HEADER_SIZE + I8_SIZE);
+							writeU8(NULLS8_HEADER);
+							writeU8(n - 4);
+						} else {
+							allocate(HEADER_SIZE + I32_SIZE);
+							writeU8(NULLS32_HEADER);
+							writeU32(n - 260);
+						}
+					} else if (Buffer.isBuffer(thing)) {
+						if (thing.length < 8192) {
+							allocate(HEADER_SIZE + I32_SIZE + thing.length);
+							writeU8(BUFFER_HEADER);
+							writeU32(thing.length);
+							thing.copy(currentBuffer, currentPosition);
+							currentPosition += thing.length;
+						} else {
+							allocate(HEADER_SIZE + I32_SIZE);
+							writeU8(BUFFER_HEADER);
+							writeU32(thing.length);
+							flush();
+							buffers.push(thing);
+						}
+					}
+					break;
+				}
+				case "symbol": {
+					if (thing === MEASURE_START_OPERATION) {
+						measureStart();
+					} else if (thing === MEASURE_END_OPERATION) {
+						const size = measureEnd();
+						allocate(HEADER_SIZE + I32_SIZE);
+						writeU8(I32_HEADER);
+						currentBuffer.writeInt32LE(size, currentPosition);
+						currentPosition += I32_SIZE;
+					}
+					break;
+				}
+			}
+		}
+		flush();
+
+		allocationScope.leftOverBuffer = leftOverBuffer;
+
+		// avoid leaking memory
+		currentBuffer = null;
+		leftOverBuffer = null;
+		allocationScope = undefined;
+		const _buffers = buffers;
+		buffers = undefined;
+		return _buffers;
+	}
+
+	/**
+	 * @param {SerializedType} data data
+	 * @param {Object} context context object
+	 * @returns {DeserializedType|Promise<DeserializedType>} deserialized data
+	 */
+	deserialize(data, context) {
+		return this._deserialize(data, context);
+	}
+
+	_createLazyDeserialized(content, context) {
+		return SerializerMiddleware.createLazy(
+			memoize(() => this._deserialize(content, context)),
+			this,
+			undefined,
+			content
+		);
+	}
+
+	_deserializeLazy(fn, context) {
+		return SerializerMiddleware.deserializeLazy(fn, data =>
+			this._deserialize(data, context)
+		);
+	}
+
+	/**
+	 * @param {SerializedType} data data
+	 * @param {Object} context context object
+	 * @returns {DeserializedType} deserialized data
+	 */
+	_deserialize(data, context) {
+		let currentDataItem = 0;
+		let currentBuffer = data[0];
+		let currentIsBuffer = Buffer.isBuffer(currentBuffer);
+		let currentPosition = 0;
+
+		const retainedBuffer = context.retainedBuffer || (x => x);
+
+		const checkOverflow = () => {
+			if (currentPosition >= currentBuffer.length) {
+				currentPosition = 0;
+				currentDataItem++;
+				currentBuffer =
+					currentDataItem < data.length ? data[currentDataItem] : null;
+				currentIsBuffer = Buffer.isBuffer(currentBuffer);
+			}
+		};
+		const isInCurrentBuffer = n => {
+			return currentIsBuffer && n + currentPosition <= currentBuffer.length;
+		};
+		const ensureBuffer = () => {
+			if (!currentIsBuffer) {
+				throw new Error(
+					currentBuffer === null
+						? "Unexpected end of stream"
+						: "Unexpected lazy element in stream"
+				);
+			}
+		};
+		/**
+		 * Reads n bytes
+		 * @param {number} n amount of bytes to read
+		 * @returns {Buffer} buffer with bytes
+		 */
+		const read = n => {
+			ensureBuffer();
+			const rem = currentBuffer.length - currentPosition;
+			if (rem < n) {
+				const buffers = [read(rem)];
+				n -= rem;
+				ensureBuffer();
+				while (currentBuffer.length < n) {
+					const b = /** @type {Buffer} */ (currentBuffer);
+					buffers.push(b);
+					n -= b.length;
+					currentDataItem++;
+					currentBuffer =
+						currentDataItem < data.length ? data[currentDataItem] : null;
+					currentIsBuffer = Buffer.isBuffer(currentBuffer);
+					ensureBuffer();
+				}
+				buffers.push(read(n));
+				return Buffer.concat(buffers);
+			}
+			const b = /** @type {Buffer} */ (currentBuffer);
+			const res = Buffer.from(b.buffer, b.byteOffset + currentPosition, n);
+			currentPosition += n;
+			checkOverflow();
+			return res;
+		};
+		/**
+		 * Reads up to n bytes
+		 * @param {number} n amount of bytes to read
+		 * @returns {Buffer} buffer with bytes
+		 */
+		const readUpTo = n => {
+			ensureBuffer();
+			const rem = currentBuffer.length - currentPosition;
+			if (rem < n) {
+				n = rem;
+			}
+			const b = /** @type {Buffer} */ (currentBuffer);
+			const res = Buffer.from(b.buffer, b.byteOffset + currentPosition, n);
+			currentPosition += n;
+			checkOverflow();
+			return res;
+		};
+		/**
+		 * @returns {number} U8
+		 */
+		const readU8 = () => {
+			ensureBuffer();
+			/**
+			 * There is no need to check remaining buffer size here
+			 * since {@link checkOverflow} guarantees at least one byte remaining
+			 */
+			const byte = /** @type {Buffer} */ (currentBuffer).readUInt8(
+				currentPosition
+			);
+			currentPosition += I8_SIZE;
+			checkOverflow();
+			return byte;
+		};
+		/**
+		 * @returns {number} U32
+		 */
+		const readU32 = () => {
+			return read(I32_SIZE).readUInt32LE(0);
+		};
+		const readBits = (data, n) => {
+			let mask = 1;
+			while (n !== 0) {
+				result.push((data & mask) !== 0);
+				mask = mask << 1;
+				n--;
+			}
+		};
+		const dispatchTable = Array.from({ length: 256 }).map((_, header) => {
+			switch (header) {
+				case LAZY_HEADER:
+					return () => {
+						const count = readU32();
+						const lengths = Array.from({ length: count }).map(() => readU32());
+						const content = [];
+						for (let l of lengths) {
+							if (l === 0) {
+								if (typeof currentBuffer !== "function") {
+									throw new Error("Unexpected non-lazy element in stream");
+								}
+								content.push(currentBuffer);
+								currentDataItem++;
+								currentBuffer =
+									currentDataItem < data.length ? data[currentDataItem] : null;
+								currentIsBuffer = Buffer.isBuffer(currentBuffer);
+							} else {
+								do {
+									const buf = readUpTo(l);
+									l -= buf.length;
+									content.push(retainedBuffer(buf));
+								} while (l > 0);
+							}
+						}
+						result.push(this._createLazyDeserialized(content, context));
+					};
+				case BUFFER_HEADER:
+					return () => {
+						const len = readU32();
+						result.push(retainedBuffer(read(len)));
+					};
+				case TRUE_HEADER:
+					return () => result.push(true);
+				case FALSE_HEADER:
+					return () => result.push(false);
+				case NULL3_HEADER:
+					return () => result.push(null, null, null);
+				case NULL2_HEADER:
+					return () => result.push(null, null);
+				case NULL_HEADER:
+					return () => result.push(null);
+				case NULL_AND_TRUE_HEADER:
+					return () => result.push(null, true);
+				case NULL_AND_FALSE_HEADER:
+					return () => result.push(null, false);
+				case NULL_AND_I8_HEADER:
+					return () => {
+						if (currentIsBuffer) {
+							result.push(
+								null,
+								/** @type {Buffer} */ (currentBuffer).readInt8(currentPosition)
+							);
+							currentPosition += I8_SIZE;
+							checkOverflow();
+						} else {
+							result.push(null, read(I8_SIZE).readInt8(0));
+						}
+					};
+				case NULL_AND_I32_HEADER:
+					return () => {
+						result.push(null);
+						if (isInCurrentBuffer(I32_SIZE)) {
+							result.push(
+								/** @type {Buffer} */ (currentBuffer).readInt32LE(
+									currentPosition
+								)
+							);
+							currentPosition += I32_SIZE;
+							checkOverflow();
+						} else {
+							result.push(read(I32_SIZE).readInt32LE(0));
+						}
+					};
+				case NULLS8_HEADER:
+					return () => {
+						const len = readU8() + 4;
+						for (let i = 0; i < len; i++) {
+							result.push(null);
+						}
+					};
+				case NULLS32_HEADER:
+					return () => {
+						const len = readU32() + 260;
+						for (let i = 0; i < len; i++) {
+							result.push(null);
+						}
+					};
+				case BOOLEANS_HEADER:
+					return () => {
+						const innerHeader = readU8();
+						if ((innerHeader & 0xf0) === 0) {
+							readBits(innerHeader, 3);
+						} else if ((innerHeader & 0xe0) === 0) {
+							readBits(innerHeader, 4);
+						} else if ((innerHeader & 0xc0) === 0) {
+							readBits(innerHeader, 5);
+						} else if ((innerHeader & 0x80) === 0) {
+							readBits(innerHeader, 6);
+						} else if (innerHeader !== 0xff) {
+							let count = (innerHeader & 0x7f) + 7;
+							while (count > 8) {
+								readBits(readU8(), 8);
+								count -= 8;
+							}
+							readBits(readU8(), count);
+						} else {
+							let count = readU32();
+							while (count > 8) {
+								readBits(readU8(), 8);
+								count -= 8;
+							}
+							readBits(readU8(), count);
+						}
+					};
+				case STRING_HEADER:
+					return () => {
+						const len = readU32();
+						if (isInCurrentBuffer(len) && currentPosition + len < 0x7fffffff) {
+							result.push(
+								currentBuffer.toString(
+									undefined,
+									currentPosition,
+									currentPosition + len
+								)
+							);
+							currentPosition += len;
+							checkOverflow();
+						} else {
+							result.push(read(len).toString());
+						}
+					};
+				case SHORT_STRING_HEADER:
+					return () => result.push("");
+				case SHORT_STRING_HEADER | 1:
+					return () => {
+						if (currentIsBuffer && currentPosition < 0x7ffffffe) {
+							result.push(
+								currentBuffer.toString(
+									"latin1",
+									currentPosition,
+									currentPosition + 1
+								)
+							);
+							currentPosition++;
+							checkOverflow();
+						} else {
+							result.push(read(1).toString("latin1"));
+						}
+					};
+				case I8_HEADER:
+					return () => {
+						if (currentIsBuffer) {
+							result.push(
+								/** @type {Buffer} */ (currentBuffer).readInt8(currentPosition)
+							);
+							currentPosition++;
+							checkOverflow();
+						} else {
+							result.push(read(1).readInt8(0));
+						}
+					};
+				case BIGINT_I8_HEADER: {
+					const len = 1;
+					return () => {
+						const need = I8_SIZE * len;
+
+						if (isInCurrentBuffer(need)) {
+							for (let i = 0; i < len; i++) {
+								const value =
+									/** @type {Buffer} */
+									(currentBuffer).readInt8(currentPosition);
+								result.push(BigInt(value));
+								currentPosition += I8_SIZE;
+							}
+							checkOverflow();
+						} else {
+							const buf = read(need);
+							for (let i = 0; i < len; i++) {
+								const value = buf.readInt8(i * I8_SIZE);
+								result.push(BigInt(value));
+							}
+						}
+					};
+				}
+				case BIGINT_I32_HEADER: {
+					const len = 1;
+					return () => {
+						const need = I32_SIZE * len;
+						if (isInCurrentBuffer(need)) {
+							for (let i = 0; i < len; i++) {
+								const value = /** @type {Buffer} */ (currentBuffer).readInt32LE(
+									currentPosition
+								);
+								result.push(BigInt(value));
+								currentPosition += I32_SIZE;
+							}
+							checkOverflow();
+						} else {
+							const buf = read(need);
+							for (let i = 0; i < len; i++) {
+								const value = buf.readInt32LE(i * I32_SIZE);
+								result.push(BigInt(value));
+							}
+						}
+					};
+				}
+				case BIGINT_HEADER: {
+					return () => {
+						const len = readU32();
+						if (isInCurrentBuffer(len) && currentPosition + len < 0x7fffffff) {
+							const value = currentBuffer.toString(
+								undefined,
+								currentPosition,
+								currentPosition + len
+							);
+
+							result.push(BigInt(value));
+							currentPosition += len;
+							checkOverflow();
+						} else {
+							const value = read(len).toString();
+							result.push(BigInt(value));
+						}
+					};
+				}
+				default:
+					if (header <= 10) {
+						return () => result.push(header);
+					} else if ((header & SHORT_STRING_HEADER) === SHORT_STRING_HEADER) {
+						const len = header & SHORT_STRING_LENGTH_MASK;
+						return () => {
+							if (
+								isInCurrentBuffer(len) &&
+								currentPosition + len < 0x7fffffff
+							) {
+								result.push(
+									currentBuffer.toString(
+										"latin1",
+										currentPosition,
+										currentPosition + len
+									)
+								);
+								currentPosition += len;
+								checkOverflow();
+							} else {
+								result.push(read(len).toString("latin1"));
+							}
+						};
+					} else if ((header & NUMBERS_HEADER_MASK) === F64_HEADER) {
+						const len = (header & NUMBERS_COUNT_MASK) + 1;
+						return () => {
+							const need = F64_SIZE * len;
+							if (isInCurrentBuffer(need)) {
+								for (let i = 0; i < len; i++) {
+									result.push(
+										/** @type {Buffer} */ (currentBuffer).readDoubleLE(
+											currentPosition
+										)
+									);
+									currentPosition += F64_SIZE;
+								}
+								checkOverflow();
+							} else {
+								const buf = read(need);
+								for (let i = 0; i < len; i++) {
+									result.push(buf.readDoubleLE(i * F64_SIZE));
+								}
+							}
+						};
+					} else if ((header & NUMBERS_HEADER_MASK) === I32_HEADER) {
+						const len = (header & NUMBERS_COUNT_MASK) + 1;
+						return () => {
+							const need = I32_SIZE * len;
+							if (isInCurrentBuffer(need)) {
+								for (let i = 0; i < len; i++) {
+									result.push(
+										/** @type {Buffer} */ (currentBuffer).readInt32LE(
+											currentPosition
+										)
+									);
+									currentPosition += I32_SIZE;
+								}
+								checkOverflow();
+							} else {
+								const buf = read(need);
+								for (let i = 0; i < len; i++) {
+									result.push(buf.readInt32LE(i * I32_SIZE));
+								}
+							}
+						};
+					} else if ((header & NUMBERS_HEADER_MASK) === I8_HEADER) {
+						const len = (header & NUMBERS_COUNT_MASK) + 1;
+						return () => {
+							const need = I8_SIZE * len;
+							if (isInCurrentBuffer(need)) {
+								for (let i = 0; i < len; i++) {
+									result.push(
+										/** @type {Buffer} */ (currentBuffer).readInt8(
+											currentPosition
+										)
+									);
+									currentPosition += I8_SIZE;
+								}
+								checkOverflow();
+							} else {
+								const buf = read(need);
+								for (let i = 0; i < len; i++) {
+									result.push(buf.readInt8(i * I8_SIZE));
+								}
+							}
+						};
+					} else {
+						return () => {
+							throw new Error(
+								`Unexpected header byte 0x${header.toString(16)}`
+							);
+						};
+					}
+			}
+		});
+
+		/** @type {DeserializedType} */
+		let result = [];
+		while (currentBuffer !== null) {
+			if (typeof currentBuffer === "function") {
+				result.push(this._deserializeLazy(currentBuffer, context));
+				currentDataItem++;
+				currentBuffer =
+					currentDataItem < data.length ? data[currentDataItem] : null;
+				currentIsBuffer = Buffer.isBuffer(currentBuffer);
+			} else {
+				const header = readU8();
+				dispatchTable[header]();
+			}
+		}
+
+		// avoid leaking memory in context
+		let _result = result;
+		result = undefined;
+		return _result;
+	}
+}
+
+module.exports = BinaryMiddleware;
+
+module.exports.MEASURE_START_OPERATION = MEASURE_START_OPERATION;
+module.exports.MEASURE_END_OPERATION = MEASURE_END_OPERATION;