Updated the Survey.

node_modules/responselike/src/index.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const Readable = require('stream').Readable;
+const lowercaseKeys = require('lowercase-keys');
+
+class Response extends Readable {
+	constructor(statusCode, headers, body, url) {
+		if (typeof statusCode !== 'number') {
+			throw new TypeError('Argument `statusCode` should be a number');
+		}
+		if (typeof headers !== 'object') {
+			throw new TypeError('Argument `headers` should be an object');
+		}
+		if (!(body instanceof Buffer)) {
+			throw new TypeError('Argument `body` should be a buffer');
+		}
+		if (typeof url !== 'string') {
+			throw new TypeError('Argument `url` should be a string');
+		}
+
+		super();
+		this.statusCode = statusCode;
+		this.headers = lowercaseKeys(headers);
+		this.body = body;
+		this.url = url;
+	}
+
+	_read() {
+		this.push(this.body);
+		this.push(null);
+	}
+}
+
+module.exports = Response;