minigame

node_modules/http2-wrapper/source/utils/calculate-server-name.js

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+'use strict';
+const net = require('net');
+/* istanbul ignore file: https://github.com/nodejs/node/blob/v13.0.1/lib/_http_agent.js */
+
+module.exports = options => {
+	let servername = options.host;
+	const hostHeader = options.headers && options.headers.host;
+
+	if (hostHeader) {
+		if (hostHeader.startsWith('[')) {
+			const index = hostHeader.indexOf(']');
+			if (index === -1) {
+				servername = hostHeader;
+			} else {
+				servername = hostHeader.slice(1, -1);
+			}
+		} else {
+			servername = hostHeader.split(':', 1)[0];
+		}
+	}
+
+	if (net.isIP(servername)) {
+		return '';
+	}
+
+	return servername;
+};