refactor(host-rules): cleaner got processing

lib/util/got/host-rules.js

+/* eslint-disable no-param-reassign */
 const got = require('got');
 const hostRules = require('../host-rules');
 
@@ -7,26 +8,29 @@ const hostRules = require('../host-rules');
 module.exports = got.create({
   options: {},
   handler: (options, next) => {
-    const { hostType, ...opts } = options;
     if (!options.hostname) {
-      return next(opts);
+      return next(options);
     }
-    const { username = '', password, token, timeout } = hostRules.find({
-      hostType,
+    const { username, password, token, timeout } = hostRules.find({
+      hostType: options.hostType,
       url: options.href,
     });
-    if (opts.headers.authorization || opts.auth || opts.token) {
-      logger.debug('Authorization already set for host: ' + opts.hostname);
+    if (options.headers.authorization || options.auth || options.token) {
+      logger.trace('Authorization already set for host: ' + options.hostname);
     } else if (password) {
-      logger.debug('Applying Basic authentication for host ' + opts.hostname);
-      opts.auth = `${username}:${password}`;
+      logger.trace(
+        'Applying Basic authentication for host ' + options.hostname
+      );
+      options.auth = `${username || ''}:${password}`;
     } else if (token) {
-      logger.debug('Applying Bearer authentication for host ' + opts.hostname);
-      opts.token = token;
+      logger.trace(
+        'Applying Bearer authentication for host ' + options.hostname
+      );
+      options.token = token;
     }
     if (timeout) {
-      opts.gotTimeout = { request: timeout };
+      options.gotTimeout = { request: timeout };
     }
-    return next(opts);
+    return next(options);
   },
 });