initial commit

2026-09-01 18:33:56 +00:00
commit c24449ee0a
2761 changed files with 302737 additions and 0 deletions
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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _stream = require('stream');
+
+var _crypto = require('crypto');
+
+class HashStream extends _stream.Transform {
+  constructor(algo) {
+    var _ref = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
+
+    var _ref$encoding = _ref.encoding;
+    let encoding = _ref$encoding === undefined ? 'hex' : _ref$encoding;
+
+    super({ objectMode: true });
+    this.algo = algo;
+    this.digestEncoding = encoding;
+    this.hashSum = (0, _crypto.createHash)(algo);
+  }
+
+  _transform(chunk, encoding, cb) {
+    // Update hash sum objects
+    this.hashSum.update(chunk);
+    cb();
+  }
+
+  _flush(cb) {
+    // Compute hash digest
+    const digest = this.hashSum.digest(this.digestEncoding);
+    // this.emit('hash', hash)
+    this.push({ digest });
+    cb(null);
+  }
+}
+exports.default = HashStream;