fdescribe / fit can be used to focus specs manually

spec/spec-bootstrap.coffee

@@ -1,5 +1,6 @@
 nakedLoad 'jasmine'
 nakedLoad 'jasmine-html'
+nakedLoad 'jasmine-focused'
 
 $ = require 'jquery'
 coffeekup = require 'coffeekup'
@@ -16,8 +17,7 @@ trivialReporter = new jasmine.TrivialReporter(document, 'jasmine_runner')
 
 jasmineEnv.addReporter(trivialReporter)
 
-jasmineEnv.specFilter = (spec) ->
-  return trivialReporter.specFilter(spec)
+jasmineEnv.specFilter = (spec) -> trivialReporter.specFilter(spec)
 
 require 'spec-suite'
 jasmineEnv.execute()

vendor/jasmine-focused.js

@@ -0,0 +1,38 @@
+var fdescribe = function(description, specDefinitions) {
+  jasmine.getEnv().focus = true
+  var suite = describe(description, specDefinitions);
+  suite.focus = true;
+  return suite;
+};
+
+var fit = function(description, definition) {
+  jasmine.getEnv().focus = true
+  var spec = it(description, definition);
+  spec.focus = true;
+  return spec;
+};
+
+var fSpecFilter = function(specOrSuite) {
+  if (!jasmine.getEnv().focus) return true;
+  if (specOrSuite.focus) return true;
+
+  var parent = specOrSuite.parentSuite || specOrSuite.suite;
+  if (!parent) return false;
+  return fSpecFilter(parent);
+}
+
+jasmine.TrivialReporter.prototype.specFilter = function(spec) {
+  var paramMap = {};
+  var params = this.getLocation().search.substring(1).split('&');
+  for (var i = 0; i < params.length; i++) {
+    var p = params[i].split('=');
+    paramMap[decodeURIComponent(p[0])] = decodeURIComponent(p[1]);
+  }
+
+  if (!paramMap.spec && !jasmine.getEnv().focus) {
+    return true;
+  }
+
+  return (spec.getFullName().indexOf(paramMap.spec) === 0) || fSpecFilter(spec);
+};
+