From 9bce51f651aad297ef9eb6df832bfdaf1de05d84 Mon Sep 17 00:00:00 2001
From: WXL <wl_5969728@163.com>
Date: 星期三, 22 四月 2026 14:27:54 +0800
Subject: [PATCH] 青岛推送

---
 node_modules/webpack/lib/util/createHash.js |  219 +++++-------------------------------------------------
 1 files changed, 20 insertions(+), 199 deletions(-)

diff --git a/node_modules/webpack/lib/util/createHash.js b/node_modules/webpack/lib/util/createHash.js
index e5626b8..88138a6 100644
--- a/node_modules/webpack/lib/util/createHash.js
+++ b/node_modules/webpack/lib/util/createHash.js
@@ -5,203 +5,8 @@
 
 "use strict";
 
-const Hash = require("./Hash");
-
-/** @typedef {import("../../declarations/WebpackOptions").HashDigest} Encoding */
+/** @typedef {import("./Hash")} Hash */
 /** @typedef {import("../../declarations/WebpackOptions").HashFunction} HashFunction */
-
-const BULK_SIZE = 3;
-
-// We are using an object instead of a Map as this will stay static during the runtime
-// so access to it can be optimized by v8
-/** @type {{[key: string]: Map<string, string>}} */
-const digestCaches = {};
-
-/** @typedef {() => Hash} HashFactory */
-
-class BulkUpdateDecorator extends Hash {
-	/**
-	 * @param {Hash | HashFactory} hashOrFactory function to create a hash
-	 * @param {string=} hashKey key for caching
-	 */
-	constructor(hashOrFactory, hashKey) {
-		super();
-		this.hashKey = hashKey;
-		if (typeof hashOrFactory === "function") {
-			this.hashFactory = hashOrFactory;
-			this.hash = undefined;
-		} else {
-			this.hashFactory = undefined;
-			this.hash = hashOrFactory;
-		}
-		this.buffer = "";
-	}
-
-	/**
-	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
-	 * @overload
-	 * @param {string | Buffer} data data
-	 * @returns {Hash} updated hash
-	 */
-	/**
-	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
-	 * @overload
-	 * @param {string} data data
-	 * @param {Encoding} inputEncoding data encoding
-	 * @returns {Hash} updated hash
-	 */
-	/**
-	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
-	 * @param {string | Buffer} data data
-	 * @param {Encoding=} inputEncoding data encoding
-	 * @returns {Hash} updated hash
-	 */
-	update(data, inputEncoding) {
-		if (
-			inputEncoding !== undefined ||
-			typeof data !== "string" ||
-			data.length > BULK_SIZE
-		) {
-			if (this.hash === undefined) {
-				this.hash = /** @type {HashFactory} */ (this.hashFactory)();
-			}
-			if (this.buffer.length > 0) {
-				this.hash.update(this.buffer);
-				this.buffer = "";
-			}
-			if (typeof data === "string" && inputEncoding) {
-				this.hash.update(data, inputEncoding);
-			} else {
-				this.hash.update(data);
-			}
-		} else {
-			this.buffer += data;
-			if (this.buffer.length > BULK_SIZE) {
-				if (this.hash === undefined) {
-					this.hash = /** @type {HashFactory} */ (this.hashFactory)();
-				}
-				this.hash.update(this.buffer);
-				this.buffer = "";
-			}
-		}
-		return this;
-	}
-
-	/**
-	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
-	 * @overload
-	 * @returns {Buffer} digest
-	 */
-	/**
-	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
-	 * @overload
-	 * @param {Encoding} encoding encoding of the return value
-	 * @returns {string} digest
-	 */
-	/**
-	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
-	 * @param {Encoding=} encoding encoding of the return value
-	 * @returns {string | Buffer} digest
-	 */
-	digest(encoding) {
-		let digestCache;
-		const buffer = this.buffer;
-		if (this.hash === undefined) {
-			// short data for hash, we can use caching
-			const cacheKey = `${this.hashKey}-${encoding}`;
-			digestCache = digestCaches[cacheKey];
-			if (digestCache === undefined) {
-				digestCache = digestCaches[cacheKey] = new Map();
-			}
-			const cacheEntry = digestCache.get(buffer);
-			if (cacheEntry !== undefined) return cacheEntry;
-			this.hash = /** @type {HashFactory} */ (this.hashFactory)();
-		}
-		if (buffer.length > 0) {
-			this.hash.update(buffer);
-		}
-		if (!encoding) {
-			const result = this.hash.digest();
-			if (digestCache !== undefined) {
-				digestCache.set(buffer, result);
-			}
-			return result;
-		}
-		const digestResult = this.hash.digest(encoding);
-		// Compatibility with the old hash library
-		const result =
-			typeof digestResult === "string"
-				? digestResult
-				: /** @type {NodeJS.TypedArray} */ (digestResult).toString();
-		if (digestCache !== undefined) {
-			digestCache.set(buffer, result);
-		}
-		return result;
-	}
-}
-
-/* istanbul ignore next */
-class DebugHash extends Hash {
-	constructor() {
-		super();
-		this.string = "";
-	}
-
-	/**
-	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
-	 * @overload
-	 * @param {string | Buffer} data data
-	 * @returns {Hash} updated hash
-	 */
-	/**
-	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
-	 * @overload
-	 * @param {string} data data
-	 * @param {Encoding} inputEncoding data encoding
-	 * @returns {Hash} updated hash
-	 */
-	/**
-	 * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding}
-	 * @param {string | Buffer} data data
-	 * @param {Encoding=} inputEncoding data encoding
-	 * @returns {Hash} updated hash
-	 */
-	update(data, inputEncoding) {
-		if (typeof data !== "string") data = data.toString("utf8");
-		const prefix = Buffer.from("@webpack-debug-digest@").toString("hex");
-		if (data.startsWith(prefix)) {
-			data = Buffer.from(data.slice(prefix.length), "hex").toString();
-		}
-		this.string += `[${data}](${
-			/** @type {string} */
-			(
-				// eslint-disable-next-line unicorn/error-message
-				new Error().stack
-			).split("\n", 3)[2]
-		})\n`;
-		return this;
-	}
-
-	/**
-	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
-	 * @overload
-	 * @returns {Buffer} digest
-	 */
-	/**
-	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
-	 * @overload
-	 * @param {Encoding} encoding encoding of the return value
-	 * @returns {string} digest
-	 */
-	/**
-	 * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding}
-	 * @param {Encoding=} encoding encoding of the return value
-	 * @returns {string | Buffer} digest
-	 */
-	digest(encoding) {
-		return Buffer.from(`@webpack-debug-digest@${this.string}`).toString("hex");
-	}
-}
 
 /** @type {typeof import("crypto") | undefined} */
 let crypto;
@@ -209,8 +14,12 @@
 let createXXHash64;
 /** @type {typeof import("./hash/md4") | undefined} */
 let createMd4;
+/** @type {typeof import("./hash/DebugHash") | undefined} */
+let DebugHash;
 /** @type {typeof import("./hash/BatchedHash") | undefined} */
 let BatchedHash;
+/** @type {typeof import("./hash/BulkUpdateHash") | undefined} */
+let BulkUpdateHash;
 
 /**
  * Creates a hash by name or function
@@ -219,12 +28,18 @@
  */
 module.exports = (algorithm) => {
 	if (typeof algorithm === "function") {
+		if (BulkUpdateHash === undefined) {
+			BulkUpdateHash = require("./hash/BulkUpdateHash");
+		}
 		// eslint-disable-next-line new-cap
-		return new BulkUpdateDecorator(() => new algorithm());
+		return new BulkUpdateHash(() => new algorithm());
 	}
 	switch (algorithm) {
 		// TODO add non-cryptographic algorithm here
 		case "debug":
+			if (DebugHash === undefined) {
+				DebugHash = require("./hash/DebugHash");
+			}
 			return new DebugHash();
 		case "xxhash64":
 			if (createXXHash64 === undefined) {
@@ -248,7 +63,10 @@
 			)(createMd4());
 		case "native-md4":
 			if (crypto === undefined) crypto = require("crypto");
-			return new BulkUpdateDecorator(
+			if (BulkUpdateHash === undefined) {
+				BulkUpdateHash = require("./hash/BulkUpdateHash");
+			}
+			return new BulkUpdateHash(
 				() =>
 					/** @type {Hash} */ (
 						/** @type {typeof import("crypto")} */
@@ -258,7 +76,10 @@
 			);
 		default:
 			if (crypto === undefined) crypto = require("crypto");
-			return new BulkUpdateDecorator(
+			if (BulkUpdateHash === undefined) {
+				BulkUpdateHash = require("./hash/BulkUpdateHash");
+			}
+			return new BulkUpdateHash(
 				() =>
 					/** @type {Hash} */ (
 						/** @type {typeof import("crypto")} */

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