fix(socket-options): allow socket.domain string|fn for setting domain only on socket path - fixes #690

Author: shakyShane

lib/connect-utils.js

@@ -51,16 +51,8 @@ var connectUtils = {
 
         var socket        = options.get("socket");
         var template      = fs.readFileSync(config.templates.connector, "utf-8");
-        var connectionUrl = require("url").parse(socket.get("namespace"));
         var url           = connectUtils.getConnectionUrl(options);
 
-        /**
-         * If namespace is a URL, just return it
-         */
-        if (connectionUrl.host && connectionUrl.protocol) {
-            url = "'%s'".replace("%s", socket.get("namespace"));
-        }
-
         template = template
             .replace("%path%", socket.get("path"))
             .replace("%url%",  url);
@@ -69,6 +61,12 @@ var connectUtils = {
     },
     getConnectionUrl: function (options) {
 
+        var socketOpts       = options.get('socket').toJS();
+
+        if (!socketOpts.namespace.match(/^\//)) {
+            socketOpts.namespace = "/" + socketOpts.namespace;
+        }
+
         var protocol         = "";
         var withHostnamePort = "'{protocol}' + location.hostname + ':{port}{ns}'"; //
         var withHost         = "'{protocol}' + location.host + '{ns}'";            //
@@ -82,17 +80,18 @@ var connectUtils = {
             string   = withHostnamePort;
         }
 
-        var socketOpts   = options.get('socket');
-
-        if (socketOpts.has('domain')) {
+        if (socketOpts.domain) {
             string = withDomain;
+            if (typeof socketOpts.domain === "function") {
+                socketOpts.domain = socketOpts.domain.call(null, options);
+            }
         }
 
         return string
             .replace("{protocol}", protocol)
             .replace("{port}",     options.get("port"))
-            .replace("{domain}",   socketOpts.get("domain"))
-            .replace("{ns}",       socketOpts.get("namespace"));
+            .replace("{domain}",   socketOpts.domain)
+            .replace("{ns}",       socketOpts.namespace);
     },
     /**
      * @param {Object} [options]

test/specs/utils/utils.connect.js

@@ -89,4 +89,35 @@ describe("Connection utils", function () {
         var actual   = utils.socketConnector(options);
         assert.include(actual, "___browserSync___.io('localhost:3000/browser-sync', ___browserSync___.socketConfig);");
     });
+    it("should allow setting of the socket domain + namespace", function () {
+        var options = merge({
+            port: 3000,
+            server: "test/fixtures",
+            mode: "server",
+            socket: {
+                namespace: 'shane',
+                domain: 'localhost:3000'
+            }
+        });
+        var actual   = utils.socketConnector(options);
+        assert.include(actual, "___browserSync___.io('localhost:3000/shane', ___browserSync___.socketConfig);");
+    });
+    it("should allow setting of the socket domain (fn)+ namespace", function () {
+        var options = merge({
+            port: 3000,
+            server: "test/fixtures",
+            mode: "server",
+            urls: {
+                local: 'http://localhost:3002'
+            },
+            socket: {
+                namespace: 'shane',
+                domain: function (options) {
+                    return options.getIn(['urls', 'local']);
+                }
+            }
+        });
+        var actual   = utils.socketConnector(options);
+        assert.include(actual, "___browserSync___.io('http://localhost:3002/shane', ___browserSync___.socketConfig);");
+    });
 });