1 files changed, 75 insertions, 0 deletions
diff --git a/includes/external/addressbook/node_modules/mimic-response/index.js b/includes/external/addressbook/node_modules/mimic-response/index.js
new file mode 100644
index 0000000..a2e898f
--- /dev/null
+++ b/includes/external/addressbook/node_modules/mimic-response/index.js
@@ -0,0 +1,75 @@
+// We define these manually to ensure they're always copied
+// even if they would move up the prototype chain
+// https://nodejs.org/api/http.html#http_class_http_incomingmessage
+const knownProperties = [
+	'aborted',
+	'complete',
+	'headers',
+	'httpVersion',
+	'httpVersionMinor',
+	'httpVersionMajor',
+	'method',
+	'rawHeaders',
+	'rawTrailers',
+	'setTimeout',
+	'socket',
+	'statusCode',
+	'statusMessage',
+	'trailers',
+	'url',
+];
+
+export default function mimicResponse(fromStream, toStream) {
+	if (toStream._readableState.autoDestroy) {
+		throw new Error('The second stream must have the `autoDestroy` option set to `false`');
+	}
+
+	const fromProperties = new Set([...Object.keys(fromStream), ...knownProperties]);
+
+	const properties = {};
+
+	for (const property of fromProperties) {
+		// Don't overwrite existing properties.
+		if (property in toStream) {
+			continue;
+		}
+
+		properties[property] = {
+			get() {
+				const value = fromStream[property];
+				const isFunction = typeof value === 'function';
+
+				return isFunction ? value.bind(fromStream) : value;
+			},
+			set(value) {
+				fromStream[property] = value;
+			},
+			enumerable: true,
+			configurable: false,
+		};
+	}
+
+	Object.defineProperties(toStream, properties);
+
+	fromStream.once('aborted', () => {
+		toStream.destroy();
+
+		toStream.emit('aborted');
+	});
+
+	fromStream.once('close', () => {
+		if (fromStream.complete) {
+			if (toStream.readable) {
+				toStream.once('end', () => {
+					toStream.emit('close');
+				});
+			} else {
+				toStream.emit('close');
+			}
+		} else {
+			toStream.emit('close');
+		}
+	});
+
+	return toStream;
+}