From e13bd4e9f5495ae2d9a2e910516a162e9a91cf10 Mon Sep 17 00:00:00 2001
From: Yarmo Mackenbach <yarmo@yarmo.eu>
Date: Mon, 26 Apr 2021 12:11:14 +0200
Subject: [PATCH] Make certain fetchers environment-aware

---
 src/fetcher/dns.js  |  9 ++++++++-
 src/fetcher/irc.js  | 11 +++++++++--
 src/fetcher/xmpp.js | 15 +++++++++++----
 3 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/src/fetcher/dns.js b/src/fetcher/dns.js
index 967f7b8..23f79de 100644
--- a/src/fetcher/dns.js
+++ b/src/fetcher/dns.js
@@ -13,7 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-const dns = require('dns')
+const jsEnv = require("browser-or-node")
 
 /**
  * @module fetcher/dns
@@ -25,6 +25,13 @@ const dns = require('dns')
  */
 module.exports.timeout = 5000
 
+if (!jsEnv.isNode) {
+  module.exports.fn = null
+  return
+}
+
+const dns = require('dns')
+
 /**
  * Execute a fetch request
  * @function
diff --git a/src/fetcher/irc.js b/src/fetcher/irc.js
index 19bb39c..7a1f863 100644
--- a/src/fetcher/irc.js
+++ b/src/fetcher/irc.js
@@ -13,8 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-const irc = require('irc-upd')
-const validator = require('validator')
+const jsEnv = require("browser-or-node")
 
 /**
  * @module fetcher/irc
@@ -26,6 +25,14 @@ const validator = require('validator')
  */
 module.exports.timeout = 20000
 
+if (!jsEnv.isNode) {
+  module.exports.fn = null
+  return
+}
+
+const irc = require('irc-upd')
+const validator = require('validator')
+
 /**
  * Execute a fetch request
  * @function
diff --git a/src/fetcher/xmpp.js b/src/fetcher/xmpp.js
index 27ea6b3..f75c075 100644
--- a/src/fetcher/xmpp.js
+++ b/src/fetcher/xmpp.js
@@ -13,10 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-const jsdom = require('jsdom')
-const { client, xml } = require('@xmpp/client')
-const debug = require('@xmpp/debug')
-const validator = require('validator')
+const jsEnv = require("browser-or-node")
 
 /**
  * @module fetcher/xmpp
@@ -28,6 +25,16 @@ const validator = require('validator')
  */
 module.exports.timeout = 5000
 
+if (!jsEnv.isNode) {
+  module.exports.fn = null
+  return
+}
+
+const jsdom = require('jsdom')
+const { client, xml } = require('@xmpp/client')
+const debug = require('@xmpp/debug')
+const validator = require('validator')
+
 let xmpp = null,
   iqCaller = null