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Diffstat (limited to 'node_modules/webpack/lib/util/createHash.js')
-rw-r--r-- | node_modules/webpack/lib/util/createHash.js | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/node_modules/webpack/lib/util/createHash.js b/node_modules/webpack/lib/util/createHash.js deleted file mode 100644 index 64de510..0000000 --- a/node_modules/webpack/lib/util/createHash.js +++ /dev/null @@ -1,137 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ -"use strict"; - -const AbstractMethodError = require("../AbstractMethodError"); - -const BULK_SIZE = 1000; - -class 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) { - throw new AbstractMethodError(); - } - - /** - * 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) { - throw new AbstractMethodError(); - } -} - -exports.Hash = Hash; -/** @typedef {typeof Hash} HashConstructor */ - -class BulkUpdateDecorator extends Hash { - /** - * @param {Hash} hash hash - */ - constructor(hash) { - super(); - this.hash = hash; - this.buffer = ""; - } - - /** - * 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 ( - inputEncoding !== undefined || - typeof data !== "string" || - data.length > BULK_SIZE - ) { - if (this.buffer.length > 0) { - this.hash.update(this.buffer); - this.buffer = ""; - } - this.hash.update(data, inputEncoding); - } else { - this.buffer += data; - if (this.buffer.length > BULK_SIZE) { - this.hash.update(this.buffer); - this.buffer = ""; - } - } - 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.buffer.length > 0) { - this.hash.update(this.buffer); - } - var digestResult = this.hash.digest(encoding); - return typeof digestResult === "string" - ? digestResult - : digestResult.toString(); - } -} - -/** - * 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} - * @param {string|Buffer} data data - * @param {string=} inputEncoding data encoding - * @returns {this} updated hash - */ - update(data, inputEncoding) { - if (typeof data !== "string") data = data.toString("utf-8"); - this.string += 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) { - return this.string.replace(/[^a-z0-9]+/gi, m => - Buffer.from(m).toString("hex") - ); - } -} - -/** - * Creates a hash by name or function - * @param {string | HashConstructor} algorithm the algorithm name or a constructor creating a hash - * @returns {Hash} the hash - */ -module.exports = algorithm => { - if (typeof algorithm === "function") { - return new BulkUpdateDecorator(new algorithm()); - } - switch (algorithm) { - // TODO add non-cryptographic algorithm here - case "debug": - return new DebugHash(); - default: - return new BulkUpdateDecorator(require("crypto").createHash(algorithm)); - } -}; |