diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-11-05 17:16:09 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-11-05 17:16:09 +0800 |
| commit | d1d9f00b1bd660842addf5e6b1d1b64c852a9eea (patch) | |
| tree | 60fb37ae73a1109d95301de5ec9b61b5726a4b61 /node_modules/webpack/lib/util/hash | |
| parent | 7c85166c4cbdd862fc4252007d2df5befcbc2a58 (diff) | |
added hover prefixer
Diffstat (limited to 'node_modules/webpack/lib/util/hash')
| -rw-r--r-- | node_modules/webpack/lib/util/hash/BatchedHash.js | 68 | ||||
| -rw-r--r-- | node_modules/webpack/lib/util/hash/md4.js | 20 | ||||
| -rw-r--r-- | node_modules/webpack/lib/util/hash/wasm-hash.js | 163 | ||||
| -rw-r--r-- | node_modules/webpack/lib/util/hash/xxhash64.js | 20 |
4 files changed, 271 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/util/hash/BatchedHash.js b/node_modules/webpack/lib/util/hash/BatchedHash.js new file mode 100644 index 00000000..b5cd1fba --- /dev/null +++ b/node_modules/webpack/lib/util/hash/BatchedHash.js @@ -0,0 +1,68 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ + +"use strict"; + +const Hash = require("../Hash"); +const MAX_SHORT_STRING = require("./wasm-hash").MAX_SHORT_STRING; + +class BatchedHash extends Hash { + constructor(hash) { + super(); + this.string = undefined; + this.encoding = undefined; + this.hash = hash; + } + + /** + * Update hash {@link https://nodejs.org/api/crypto.html#crypto_hash_update_data_inputencoding} + * @param {string|Buffer} data data + * @param {string=} inputEncoding data encoding + * @returns {this} updated hash + */ + update(data, inputEncoding) { + if (this.string !== undefined) { + if ( + typeof data === "string" && + inputEncoding === this.encoding && + this.string.length + data.length < MAX_SHORT_STRING + ) { + this.string += data; + return this; + } + this.hash.update(this.string, this.encoding); + this.string = undefined; + } + if (typeof data === "string") { + if ( + data.length < MAX_SHORT_STRING && + // base64 encoding is not valid since it may contain padding chars + (!inputEncoding || !inputEncoding.startsWith("ba")) + ) { + this.string = data; + this.encoding = inputEncoding; + } else { + this.hash.update(data, inputEncoding); + } + } else { + this.hash.update(data); + } + return this; + } + + /** + * Calculates the digest {@link https://nodejs.org/api/crypto.html#crypto_hash_digest_encoding} + * @param {string=} encoding encoding of the return value + * @returns {string|Buffer} digest + */ + digest(encoding) { + if (this.string !== undefined) { + this.hash.update(this.string, this.encoding); + } + return this.hash.digest(encoding); + } +} + +module.exports = BatchedHash; diff --git a/node_modules/webpack/lib/util/hash/md4.js b/node_modules/webpack/lib/util/hash/md4.js new file mode 100644 index 00000000..23eae0aa --- /dev/null +++ b/node_modules/webpack/lib/util/hash/md4.js @@ -0,0 +1,20 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ + +"use strict"; + +const create = require("./wasm-hash"); + +//#region wasm code: md4 (../../../assembly/hash/md4.asm.ts) --initialMemory 1 +const md4 = new WebAssembly.Module( + Buffer.from( + // 2154 bytes + "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", + "base64" + ) +); +//#endregion + +module.exports = create.bind(null, md4, [], 64, 32); diff --git a/node_modules/webpack/lib/util/hash/wasm-hash.js b/node_modules/webpack/lib/util/hash/wasm-hash.js new file mode 100644 index 00000000..a43fa139 --- /dev/null +++ b/node_modules/webpack/lib/util/hash/wasm-hash.js @@ -0,0 +1,163 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ + +"use strict"; + +// 65536 is the size of a wasm memory page +// 64 is the maximum chunk size for every possible wasm hash implementation +// 4 is the maximum number of bytes per char for string encoding (max is utf-8) +// ~3 makes sure that it's always a block of 4 chars, so avoid partially encoded bytes for base64 +const MAX_SHORT_STRING = Math.floor((65536 - 64) / 4) & ~3; + +class WasmHash { + /** + * @param {WebAssembly.Instance} instance wasm instance + * @param {WebAssembly.Instance[]} instancesPool pool of instances + * @param {number} chunkSize size of data chunks passed to wasm + * @param {number} digestSize size of digest returned by wasm + */ + constructor(instance, instancesPool, chunkSize, digestSize) { + const exports = /** @type {any} */ (instance.exports); + exports.init(); + this.exports = exports; + this.mem = Buffer.from(exports.memory.buffer, 0, 65536); + this.buffered = 0; + this.instancesPool = instancesPool; + this.chunkSize = chunkSize; + this.digestSize = digestSize; + } + + reset() { + this.buffered = 0; + this.exports.init(); + } + + /** + * @param {Buffer | string} data data + * @param {BufferEncoding=} encoding encoding + * @returns {this} itself + */ + update(data, encoding) { + if (typeof data === "string") { + while (data.length > MAX_SHORT_STRING) { + this._updateWithShortString(data.slice(0, MAX_SHORT_STRING), encoding); + data = data.slice(MAX_SHORT_STRING); + } + this._updateWithShortString(data, encoding); + return this; + } + this._updateWithBuffer(data); + return this; + } + + /** + * @param {string} data data + * @param {BufferEncoding=} encoding encoding + * @returns {void} + */ + _updateWithShortString(data, encoding) { + const { exports, buffered, mem, chunkSize } = this; + let endPos; + if (data.length < 70) { + if (!encoding || encoding === "utf-8" || encoding === "utf8") { + endPos = buffered; + for (let i = 0; i < data.length; i++) { + const cc = data.charCodeAt(i); + if (cc < 0x80) mem[endPos++] = cc; + else if (cc < 0x800) { + mem[endPos] = (cc >> 6) | 0xc0; + mem[endPos + 1] = (cc & 0x3f) | 0x80; + endPos += 2; + } else { + // bail-out for weird chars + endPos += mem.write(data.slice(i), endPos, encoding); + break; + } + } + } else if (encoding === "latin1") { + endPos = buffered; + for (let i = 0; i < data.length; i++) { + const cc = data.charCodeAt(i); + mem[endPos++] = cc; + } + } else { + endPos = buffered + mem.write(data, buffered, encoding); + } + } else { + endPos = buffered + mem.write(data, buffered, encoding); + } + if (endPos < chunkSize) { + this.buffered = endPos; + } else { + const l = endPos & ~(this.chunkSize - 1); + exports.update(l); + const newBuffered = endPos - l; + this.buffered = newBuffered; + if (newBuffered > 0) mem.copyWithin(0, l, endPos); + } + } + + /** + * @param {Buffer} data data + * @returns {void} + */ + _updateWithBuffer(data) { + const { exports, buffered, mem } = this; + const length = data.length; + if (buffered + length < this.chunkSize) { + data.copy(mem, buffered, 0, length); + this.buffered += length; + } else { + const l = (buffered + length) & ~(this.chunkSize - 1); + if (l > 65536) { + let i = 65536 - buffered; + data.copy(mem, buffered, 0, i); + exports.update(65536); + const stop = l - buffered - 65536; + while (i < stop) { + data.copy(mem, 0, i, i + 65536); + exports.update(65536); + i += 65536; + } + data.copy(mem, 0, i, l - buffered); + exports.update(l - buffered - i); + } else { + data.copy(mem, buffered, 0, l - buffered); + exports.update(l); + } + const newBuffered = length + buffered - l; + this.buffered = newBuffered; + if (newBuffered > 0) data.copy(mem, 0, length - newBuffered, length); + } + } + + digest(type) { + const { exports, buffered, mem, digestSize } = this; + exports.final(buffered); + this.instancesPool.push(this); + const hex = mem.toString("latin1", 0, digestSize); + if (type === "hex") return hex; + if (type === "binary" || !type) return Buffer.from(hex, "hex"); + return Buffer.from(hex, "hex").toString(type); + } +} + +const create = (wasmModule, instancesPool, chunkSize, digestSize) => { + if (instancesPool.length > 0) { + const old = instancesPool.pop(); + old.reset(); + return old; + } else { + return new WasmHash( + new WebAssembly.Instance(wasmModule), + instancesPool, + chunkSize, + digestSize + ); + } +}; + +module.exports = create; +module.exports.MAX_SHORT_STRING = MAX_SHORT_STRING; diff --git a/node_modules/webpack/lib/util/hash/xxhash64.js b/node_modules/webpack/lib/util/hash/xxhash64.js new file mode 100644 index 00000000..98e9bd6b --- /dev/null +++ b/node_modules/webpack/lib/util/hash/xxhash64.js @@ -0,0 +1,20 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ + +"use strict"; + +const create = require("./wasm-hash"); + +//#region wasm code: xxhash64 (../../../assembly/hash/xxhash64.asm.ts) --initialMemory 1 +const xxhash64 = new WebAssembly.Module( + Buffer.from( + // 1170 bytes + "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", + "base64" + ) +); +//#endregion + +module.exports = create.bind(null, xxhash64, [], 32, 16); |
