Ensure relays/bridges are always an array

lib/tor.js

@@ -14,27 +14,25 @@ module.exports = {
 		return onionoo
 			.details(query)
 			.then(response => {
-				const details = response.body;
-				if (details.relays) {
-					details.relays.forEach(setNodeType('relay'));
-				}
-				if (details.bridges) {
-					details.bridges.forEach(setNodeType('bridge'));
-				}
-				return details.relays.concat(details.bridges);
+				const relays = response.body.relays || [];
+				const bridges = response.body.bridges || [];
+				relays.forEach(setNodeType('relay'));
+				bridges.forEach(setNodeType('bridge'));
+				return relays.concat(bridges);
 			});
 	},
 	node: id => {
 		return onionoo
 			.details({ lookup: id })
 			.then(response => {
-				const details = response.body;
-				if (details.relays && details.relays[0]) {
-					details.relays[0].type = 'relay';
-					return details.relays[0];
-				} else if (details.bridges && details.bridges[0]) {
-					details.bridges[0].type = 'bridge';
-					return details.bridges[0];
+				const relays = response.body.relays || [];
+				const bridges = response.body.bridges || [];
+				if (relays[0]) {
+					relays[0].type = 'relay';
+					return relays[0];
+				} else if (bridges[0]) {
+					bridges[0].type = 'bridge';
+					return bridges[0];
 				}
 			});
 	},