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node_modules/loader-utils/lib/hash/BatchedHash.js

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+const MAX_SHORT_STRING = require('./wasm-hash').MAX_SHORT_STRING;
+
+class BatchedHash {
+  constructor(hash) {
+    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;

node_modules/loader-utils/lib/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(
+    // 2150 bytes
+    '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',
+    'base64'
+  )
+);
+//#endregion
+
+module.exports = create.bind(null, md4, [], 64, 32);

node_modules/loader-utils/lib/hash/wasm-hash.js

@@ -0,0 +1,208 @@
+/*
+	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;