deps: upgrade npm to 6.1.0

PR-URL: https://github.com/nodejs/node/pull/20190
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/deps/npm/node_modules/socks/build/common/receivebuffer.js b/deps/npm/node_modules/socks/build/common/receivebuffer.js
new file mode 100644
index 0000000000..180fa749d0
--- /dev/null
+++ b/deps/npm/node_modules/socks/build/common/receivebuffer.js
@@ -0,0 +1,42 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+class ReceiveBuffer {
+    constructor(size = 4096) {
+        this._buffer = Buffer.allocUnsafe(size);
+        this._offset = 0;
+        this._originalSize = size;
+    }
+    get length() {
+        return this._offset;
+    }
+    append(data) {
+        if (!Buffer.isBuffer(data)) {
+            throw new Error('Attempted to append a non-buffer instance to ReceiveBuffer.');
+        }
+        if (this._offset + data.length >= this._buffer.length) {
+            const tmp = this._buffer;
+            this._buffer = Buffer.allocUnsafe(Math.max(this._buffer.length + this._originalSize, this._buffer.length + data.length));
+            tmp.copy(this._buffer);
+        }
+        data.copy(this._buffer, this._offset);
+        return (this._offset += data.length);
+    }
+    peek(length) {
+        if (length > this._offset) {
+            throw new Error('Attempted to read beyond the bounds of the managed internal data.');
+        }
+        return this._buffer.slice(0, length);
+    }
+    get(length) {
+        if (length > this._offset) {
+            throw new Error('Attempted to read beyond the bounds of the managed internal data.');
+        }
+        const value = Buffer.allocUnsafe(length);
+        this._buffer.slice(0, length).copy(value);
+        this._buffer.copyWithin(0, length, length + this._offset - length);
+        this._offset -= length;
+        return value;
+    }
+}
+exports.ReceiveBuffer = ReceiveBuffer;
+//# sourceMappingURL=receivebuffer.js.map
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