Run JSHint as part of the build

I relaxed some of the restrictions that were too
onerous to fix, but then fixed all the other issues
that were reported.

.jshintrc

@@ -22,10 +22,10 @@
     "nonbsp"          : true,      // Warns about "non-breaking whitespace" characters.
     "nonew"           : false,     // Prohibits the use of constructor functions for side-effects.
     "plusplus"        : false,     // Prohibits the use of unary increment and decrement operators.
-    "quotmark"        : "single",  // Enforces the consistency of quotation marks used throughout your code. It accepts three values: true, "single", and "double".
+    "quotmark"        : false,     // Enforces the consistency of quotation marks used throughout your code. It accepts three values: true, "single", and "double".
     "undef"           : true,      // Prohibits the use of explicitly undeclared variables.
     "unused"          : true,      // Warns when you define and never use your variables.
-    "strict"          : true,      // Requires all functions to run in ECMAScript 5's strict mode.
+    "strict"          : false,     // Requires all functions to run in ECMAScript 5's strict mode.
     "trailing"        : true,      // Makes it an error to leave a trailing whitespace in your code.
     "maxlen"          : 120,       // Lets you set the maximum length of a line.
     //"maxparams"     : 4,         // Lets you set the max number of formal parameters allowed per function.
@@ -141,6 +141,17 @@
         "readFixtures",
         "setFixtures",
         "appendSetFixtures",
-        "spyOnEvent"
+        "spyOnEvent",
+
+        // MathJax
+        "MathJax",
+
+        // Miscellaneous
+        "Logger",
+        "gettext",
+        "ngettext",
+
+        // ORA-specific globals
+        "OpenAssessment"
     ]
-}
+}
\ No newline at end of file

Makefile

@@ -46,8 +46,17 @@ install-dev:
 
 install: install-wheels install-python install-js install-nltk-data install-test install-dev javascript
 
-test:
+quality:
+	jshint openassessment/xblock/static/js/src -c .jshintrc --verbose
+
+test: quality
 	./scripts/test.sh
 
 test-js:
 	./scripts/test-js.sh
+
+test-js-debug:
+	./scripts/js-debugger.sh
+
+sass:
+	./scripts/sass.sh

openassessment/xblock/static/js/src/lms/oa_base.js

@@ -108,16 +108,16 @@ OpenAssessment.BaseView.prototype = {
     toggleActionError: function(type, msg) {
         var element = this.element;
         var container = null;
-        if (type == 'save') {
+        if (type === 'save') {
             container = '.response__submission__actions';
         }
-        else if (type == 'submit' || type == 'peer' || type == 'self' || type == 'student-training') {
+        else if (type === 'submit' || type === 'peer' || type === 'self' || type === 'student-training') {
             container = '.step__actions';
         }
-        else if (type == 'feedback_assess') {
+        else if (type === 'feedback_assess') {
             container = '.submission__feedback__actions';
         }
-        else if (type == 'upload') {
+        else if (type === 'upload') {
             container = '#upload__error';
         }
 
@@ -150,6 +150,7 @@ OpenAssessment.BaseView.prototype = {
 };
 
 /* XBlock JavaScript entry point for OpenAssessmentXBlock. */
+/* jshint unused:false */
 function OpenAssessmentBlock(runtime, element) {
     /**
     Render views within the base view on page load.

openassessment/xblock/static/js/src/lms/oa_file_upload.js

@@ -26,7 +26,7 @@ OpenAssessment.FileUploader = function() {
                     processData: false,
                     contentType: file.type,
                 }).done(
-                    function(data, textStatus, jqXHR) {
+                    function() {
                         // Log an analytics event
                         Logger.log(
                             "openassessment.upload_file",
@@ -41,7 +41,7 @@ OpenAssessment.FileUploader = function() {
                         defer.resolve();
                     }
                 ).fail(
-                    function(data, textStatus, jqXHR) {
+                    function(data, textStatus) {
                         defer.rejectWith(this, [textStatus]);
                     }
                 );

openassessment/xblock/static/js/src/lms/oa_grade.js

@@ -98,7 +98,7 @@ OpenAssessment.GradeView.prototype = {
         if (typeof options === 'undefined') {
             return $.map(
                 $('.feedback__overall__value:checked', view.element),
-                function(element, index) { return $(element).val(); }
+                function(element) { return $(element).val(); }
             );
         } else {
             // Uncheck all the options
@@ -136,7 +136,7 @@ OpenAssessment.GradeView.prototype = {
         boolean
     **/
     isHidden: function(sel) {
-        return sel.hasClass('is--hidden') && sel.attr('aria-hidden') == 'true';
+        return sel.hasClass('is--hidden') && sel.attr('aria-hidden') === 'true';
     },
 
     /**
@@ -199,7 +199,7 @@ OpenAssessment.GradeView.prototype = {
         }
 
         else {
-            if (newState == 'open') {
+            if (newState === 'open') {
                 containerSel.toggleClass('is--transitioning', false);
                 containerSel.toggleClass('is--submitting', false);
                 containerSel.toggleClass('is--submitted', false);
@@ -210,7 +210,7 @@ OpenAssessment.GradeView.prototype = {
                 this.setHidden(messageSel, true);
             }
 
-            else if (newState == 'submitting') {
+            else if (newState === 'submitting') {
                 containerSel.toggleClass('is--transitioning', true);
                 containerSel.toggleClass('is--submitting', true);
                 containerSel.toggleClass('is--submitted', false);
@@ -221,7 +221,7 @@ OpenAssessment.GradeView.prototype = {
                 this.setHidden(messageSel, true);
             }
 
-            else if (newState == 'submitted') {
+            else if (newState === 'submitted') {
                 containerSel.toggleClass('is--transitioning', false);
                 containerSel.toggleClass('is--submitting', false);
                 containerSel.toggleClass('is--submitted', true);

openassessment/xblock/static/js/src/lms/oa_message.js

@@ -32,4 +32,4 @@ OpenAssessment.MessageView.prototype = {
             baseView.showLoadError('message', errMsg);
         });
     } 
-}
+};
\ No newline at end of file

openassessment/xblock/static/js/src/lms/oa_peer.js

@@ -31,7 +31,7 @@ OpenAssessment.PeerView.prototype = {
                 view.server.renderLatex($('#openassessment__peer-assessment', view.element));
                 view.installHandlers(false);
             }
-        ).fail(function(errMsg) {
+        ).fail(function() {
             view.baseView.showLoadError('peer-assessment');
         });
         // Called to update Messagview with info on whether or not it was able to grab a submission
@@ -55,7 +55,7 @@ OpenAssessment.PeerView.prototype = {
                 view.server.renderLatex($('#openassessment__peer-assessment', view.element));
                 view.installHandlers(true);
             }
-        ).fail(function(errMsg) {
+        ).fail(function() {
             view.baseView.showLoadError('peer-assessment');
             view.continueAssessmentEnabled(true);
         });
@@ -208,7 +208,5 @@ OpenAssessment.PeerView.prototype = {
             view.baseView.toggleActionError('peer', errMsg);
             view.peerSubmitEnabled(true);
         });
-    },
-
-
+    }
 };

openassessment/xblock/static/js/src/lms/oa_response.js

@@ -48,7 +48,7 @@ OpenAssessment.ResponseView.prototype = {
                 view.installHandlers();
                 view.setAutoSaveEnabled(true);
             }
-        ).fail(function(errMsg) {
+        ).fail(function() {
             view.baseView.showLoadError('response');
         });
     },
@@ -65,7 +65,7 @@ OpenAssessment.ResponseView.prototype = {
 
         // Install change handler for textarea (to enable submission button)
         this.savedResponse = this.response();
-        var handleChange = function(eventData) { view.handleResponseChanged(); };
+        var handleChange = function() { view.handleResponseChanged(); };
         sel.find('.submission__answer__part__text__value').on('change keyup drop paste', handleChange);
 
         var handlePrepareUpload = function(eventData) { view.prepareUpload(eventData.target.files); };
@@ -248,6 +248,7 @@ OpenAssessment.ResponseView.prototype = {
             if (enabled) {
                 window.onbeforeunload = function() {
                     // Keep this on one big line to avoid gettext bug: http://stackoverflow.com/a/24579117
+                    /* jshint maxlen:300 */
                     return gettext("If you leave this page without saving or submitting your response, you'll lose any work you've done on the response.");
                 };
             }
@@ -274,9 +275,9 @@ OpenAssessment.ResponseView.prototype = {
                 return $.trim($(this).val());
             }).get();
         } else {
-            sel.map(function(index, element) {
+            sel.map(function(index) {
                 $(this).val(texts[index]);
-            })
+            });
         }
     },
 
@@ -287,7 +288,7 @@ OpenAssessment.ResponseView.prototype = {
     **/
     responseChanged: function() {
         var savedResponse = this.savedResponse;
-        return this.response().some(function(element, index, array) {
+        return this.response().some(function(element, index) {
                 return element !== savedResponse[index];
         });
 
@@ -320,8 +321,8 @@ OpenAssessment.ResponseView.prototype = {
     **/
     handleResponseChanged: function() {
         // Enable the save/submit button only for non-blank responses
-        var isNotBlank = !this.response().every(function(element, index, array) {
-                return $.trim(element) == '';
+        var isNotBlank = !this.response().every(function(element) {
+                return $.trim(element) === '';
             });
         this.submitEnabled(isNotBlank);
 
@@ -363,12 +364,12 @@ OpenAssessment.ResponseView.prototype = {
             // ... but update the UI based on what the user may have entered
             // since hitting the save button.
             var currentResponse = view.response();
-            var currentResponseIsEmpty = currentResponse.every(function(element, index, array) {
-                return element == '';
+            var currentResponseIsEmpty = currentResponse.every(function(element) {
+                return element === '';
             });
             view.submitEnabled(!currentResponseIsEmpty);
 
-            var currentResponseEqualsSaved = currentResponse.every(function(element, index, array) {
+            var currentResponseEqualsSaved = currentResponse.every(function(element, index) {
                 return element === savedResponse[index];
             });
             if (currentResponseEqualsSaved) {
@@ -418,7 +419,7 @@ OpenAssessment.ResponseView.prototype = {
                 // If the error is "multiple submissions", then we should move to the next
                 // step.  Otherwise, the user will be stuck on the current step with no
                 // way to continue.
-                if (errCode == 'ENOMULTI') { view.moveToNextStep(); }
+                if (errCode === 'ENOMULTI') { view.moveToNextStep(); }
                 else {
                     // If there is an error message, display it
                     if (errMsg) { baseView.toggleActionError('submit', errMsg); }
@@ -451,6 +452,7 @@ OpenAssessment.ResponseView.prototype = {
     **/
     confirmSubmission: function() {
         // Keep this on one big line to avoid gettext bug: http://stackoverflow.com/a/24579117
+        /* jshint maxlen:300 */
         var msg = gettext("You're about to submit your response for this assignment. After you submit this response, you can't change it or submit a new response.");
         // TODO -- UI for confirmation dialog instead of JS confirm
         return $.Deferred(function(defer) {
@@ -477,7 +479,7 @@ OpenAssessment.ResponseView.prototype = {
             this.baseView.toggleActionError(
                 'upload', gettext("File size must be 5MB or less.")
             );
-        } else if (this.imageType.substring(0,6) != 'image/') {
+        } else if (this.imageType.substring(0,6) !== 'image/') {
             this.baseView.toggleActionError(
                 'upload', gettext("File must be an image.")
             );

openassessment/xblock/static/js/src/lms/oa_rubric.js

@@ -105,7 +105,7 @@ OpenAssessment.Rubric.prototype = {
             // Check the selected options
             $(selector, this.element).each(function(index, sel) {
                 if (optionsSelected.hasOwnProperty(sel.name)) {
-                    if (sel.value == optionsSelected[sel.name]) {
+                    if (sel.value === optionsSelected[sel.name]) {
                         $(sel).prop('checked', true);
                     }
                 }
@@ -153,7 +153,7 @@ OpenAssessment.Rubric.prototype = {
             }
         });
 
-        return (numChecked == numAvailable && completedRequiredComments);
+        return (numChecked === numAvailable && completedRequiredComments);
     },
 
     /**

openassessment/xblock/static/js/src/lms/oa_self.js

@@ -31,7 +31,7 @@ OpenAssessment.SelfView.prototype = {
                 view.server.renderLatex($('#openassessment__self-assessment', view.element));
                 view.installHandlers();
             }
-        ).fail(function(errMsg) {
+        ).fail(function() {
             view.showLoadError('self-assessment');
         });
     },

openassessment/xblock/static/js/src/lms/oa_staff_info.js

@@ -35,7 +35,7 @@ OpenAssessment.StaffInfoView.prototype = {
                     view.server.renderLatex($('#openassessment__staff-info', view.element));
                     view.installHandlers();
                 }
-            ).fail(function(errMsg) {
+            ).fail(function() {
                     view.baseView.showLoadError('staff_info');
                 });
         }
@@ -56,7 +56,7 @@ OpenAssessment.StaffInfoView.prototype = {
                 $('#openassessment__student-info', view.element).replaceWith(html);
 
                 // Install key handler for new staff grade Save button.
-                var selCancelSub = $('#openassessment__staff-info__cancel__submission', this.element);
+                var selCancelSub = $('#openassessment__staff-info__cancel__submission', view.element);
                 selCancelSub.on('click', '#submit_cancel_submission', function (eventObject) {
                         eventObject.preventDefault();
                         view.cancelSubmission($(this).data('submission-uuid'));
@@ -64,11 +64,12 @@ OpenAssessment.StaffInfoView.prototype = {
                 );
 
                 // Install change handler for textarea (to enable cancel submission button)
-                var handleChange = function(eventData) { view.handleCommentChanged(); };
-                selCancelSub.find('#staff-info__cancel-submission__comments').on('change keyup drop paste', handleChange);
+                var handleChange = function() { view.handleCommentChanged(); };
+                selCancelSub.find('#staff-info__cancel-submission__comments')
+                    .on('change keyup drop paste', handleChange);
 
             }
-        ).fail(function(errMsg) {
+        ).fail(function() {
                 view.showLoadError('student_info');
         });
     },
@@ -130,10 +131,10 @@ OpenAssessment.StaffInfoView.prototype = {
         var view = this;
         this.server.scheduleTraining().done(
                 function(msg) {
-                    $('#schedule_training_message', this.element).text(msg)
+                    $('#schedule_training_message', view.element).text(msg);
                 }
             ).fail(function(errMsg) {
-                $('#schedule_training_message', this.element).text(errMsg)
+                $('#schedule_training_message', view.element).text(errMsg);
             });
     },
 
@@ -147,10 +148,10 @@ OpenAssessment.StaffInfoView.prototype = {
         var view = this;
         this.server.rescheduleUnfinishedTasks().done(
                 function(msg) {
-                    $('#reschedule_unfinished_tasks_message', this.element).text(msg)
+                    $('#reschedule_unfinished_tasks_message', view.element).text(msg);
                 }
             ).fail(function(errMsg) {
-                $('#reschedule_unfinished_tasks_message', this.element).text(errMsg)
+                $('#reschedule_unfinished_tasks_message', view.element).text(errMsg);
             });
     },
 

openassessment/xblock/static/js/src/lms/oa_training.js

@@ -31,7 +31,7 @@ OpenAssessment.StudentTrainingView.prototype = {
                 view.server.renderLatex($('#openassessment__student-training', view.element));
                 view.installHandlers();
             }
-        ).fail(function(errMsg) {
+        ).fail(function() {
             view.baseView.showLoadError('student-training');
         });
     },
@@ -85,8 +85,8 @@ OpenAssessment.StudentTrainingView.prototype = {
         var baseView = this.baseView;
         this.server.trainingAssess(options).done(
             function(corrections) {
-                var incorrect = $("#openassessment__student-training--incorrect", this.element);
-                var instructions = $("#openassessment__student-training--instructions", this.element);
+                var incorrect = $("#openassessment__student-training--incorrect", view.element);
+                var instructions = $("#openassessment__student-training--instructions", view.element);
 
                 if (!view.rubric.showCorrections(corrections)) {
                     view.load();

openassessment/xblock/static/js/src/oa_server.js

@@ -4,7 +4,7 @@ Encapsulate interactions with OpenAssessment XBlock handlers.
 
 // Since the server is included by both LMS and Studio views,
 // skip loading it the second time.
-if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
+if (typeof OpenAssessment.Server === "undefined" || !OpenAssessment.Server) {
 
     /**
     Interface for server-side XBlock handlers.
@@ -56,7 +56,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
             )
         **/
         render: function(component) {
-            var that = this;
+            var view = this;
             var url = this.url('render_' + component);
             return $.Deferred(function(defer) {
                 $.ajax({
@@ -64,9 +64,9 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                     type: "POST",
                     dataType: "html"
                 }).done(function(data) {
-                    defer.resolveWith(this, [data]);
-                }).fail(function(data) {
-                    defer.rejectWith(this, [gettext('This section could not be loaded.')]);
+                    defer.resolveWith(view, [data]);
+                }).fail(function() {
+                    defer.rejectWith(view, [gettext('This section could not be loaded.')]);
                 });
             }).promise();
         },
@@ -108,9 +108,9 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                     dataType: "html",
                     data: {continue_grading: true}
                 }).done(function(data) {
-                        defer.resolveWith(this, [data]);
-                    }).fail(function(data) {
-                        defer.rejectWith(this, [gettext('This section could not be loaded.')]);
+                        defer.resolveWith(view, [data]);
+                    }).fail(function() {
+                        defer.rejectWith(view, [gettext('This section could not be loaded.')]);
                     });
             }).promise();
         },
@@ -128,7 +128,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                     data: {student_username: student_username}
                 }).done(function(data) {
                         defer.resolveWith(this, [data]);
-                    }).fail(function(data) {
+                    }).fail(function() {
                         defer.rejectWith(this, [gettext('This section could not be loaded.')]);
                     });
             }).promise();
@@ -164,7 +164,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                         var errorMsg = data[2];
                         defer.rejectWith(this, [errorNum, errorMsg]);
                     }
-                }).fail(function(data) {
+                }).fail(function() {
                     defer.rejectWith(this, ["AJAX", gettext("This response could not be submitted.")]);
                 });
             }).promise();
@@ -191,7 +191,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                 }).done(function(data) {
                     if (data.success) { defer.resolve(); }
                     else { defer.rejectWith(this, [data.msg]); }
-                }).fail(function(data) {
+                }).fail(function() {
                     defer.rejectWith(this, [gettext("This response could not be saved.")]);
                 });
             }).promise();
@@ -228,7 +228,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                         if (data.success) { defer.resolve(); }
                         else { defer.rejectWith(this, [data.msg]); }
                     }
-                ).fail(function(data) {
+                ).fail(function() {
                     defer.rejectWith(this, [gettext('This feedback could not be submitted.')]);
                 });
             }).promise();
@@ -275,7 +275,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                             defer.rejectWith(this, [data.msg]);
                         }
                     }
-                ).fail(function(data) {
+                ).fail(function() {
                     defer.rejectWith(this, [gettext('This assessment could not be submitted.')]);
                 });
             }).promise();
@@ -319,7 +319,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                             defer.rejectWith(this, [data.msg]);
                         }
                     }
-                ).fail(function(data) {
+                ).fail(function() {
                     defer.rejectWith(this, [gettext('This assessment could not be submitted.')]);
                 });
             });
@@ -360,7 +360,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                             defer.rejectWith(this, [data.msg]);
                         }
                     }
-                ).fail(function(data) {
+                ).fail(function() {
                     defer.rejectWith(this, [gettext('This assessment could not be submitted.')]);
                 });
             });
@@ -394,7 +394,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                             defer.rejectWith(this, [data.msg]);
                         }
                     }
-                ).fail(function(data) {
+                ).fail(function() {
                         defer.rejectWith(this, [gettext('This assessment could not be submitted.')]);
                     });
             });
@@ -418,7 +418,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                             defer.rejectWith(this, [data.msg]);
                         }
                     }
-                ).fail(function(data) {
+                ).fail(function() {
                         defer.rejectWith(this, [gettext('One or more rescheduling tasks failed.')]);
                 });
             });
@@ -467,7 +467,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                 }).done(function(data) {
                     if (data.success) { defer.resolve(); }
                     else { defer.rejectWith(this, [data.msg]); }
-                }).fail(function(data) {
+                }).fail(function() {
                     defer.rejectWith(this, [gettext('This problem could not be saved.')]);
                 });
             }).promise();
@@ -497,7 +497,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                 }).done(function(data) {
                     if (data.success) { defer.resolveWith(this, [data.is_released]); }
                     else { defer.rejectWith(this, [data.msg]); }
-                }).fail(function(data) {
+                }).fail(function() {
                     defer.rejectWith(this, [gettext("The server could not be contacted.")]);
                 });
             }).promise();
@@ -519,11 +519,14 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
             var url = this.url('upload_url');
             return $.Deferred(function(defer) {
                 $.ajax({
-                    type: "POST", url: url, data: JSON.stringify({contentType: contentType}), contentType: jsonContentType
+                    type: "POST",
+                    url: url,
+                    data: JSON.stringify({contentType: contentType}),
+                    contentType: jsonContentType
                 }).done(function(data) {
                         if (data.success) { defer.resolve(data.url); }
                         else { defer.rejectWith(this, [data.msg]); }
-                    }).fail(function(data) {
+                    }).fail(function() {
                         defer.rejectWith(this, [gettext('Could not retrieve upload url.')]);
                     });
             }).promise();
@@ -544,7 +547,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                 }).done(function(data) {
                         if (data.success) { defer.resolve(data.url); }
                         else { defer.rejectWith(this, [data.msg]); }
-                    }).fail(function(data) {
+                    }).fail(function() {
                         defer.rejectWith(this, [gettext('Could not retrieve download url.')]);
                     });
             }).promise();
@@ -572,7 +575,7 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
                             defer.rejectWith(this, [data.msg]);
                         }
                     }
-                ).fail(function(data) {
+                ).fail(function() {
                     defer.rejectWith(this, [gettext('The submission could not be removed from the grading pool.')]);
                 });
             }).promise();

openassessment/xblock/static/js/src/oa_shared.js

@@ -8,9 +8,11 @@ an object!
 
 
 /* Namespace for open assessment */
+/* jshint ignore:start */
 if (typeof OpenAssessment == "undefined" || !OpenAssessment) {
     OpenAssessment = {};
 }
+/* jshint ignore:end */
 
 
 // Stub gettext if the runtime doesn't provide it
@@ -27,14 +29,14 @@ if (typeof window.ngetgext === 'undefined') {
         } else {
             return singular_text;
         }
-    }
+    };
 }
 
 
 // Stub event logging if the runtime doesn't provide it
 if (typeof window.Logger === 'undefined') {
     window.Logger = {
-        log: function(event_type, data, kwargs) {}
+        log: function() {}
     };
 }
 
@@ -43,8 +45,8 @@ if (typeof window.Logger === 'undefined') {
 if (typeof window.MathJax === 'undefined') {
     window.MathJax = {
         Hub: {
-            Typeset: function(data){},
-            Queue: function(list){}
+            Typeset: function() {},
+            Queue: function() {}
         }
     };
 }
\ No newline at end of file

openassessment/xblock/static/js/src/studio/oa_container.js

@@ -58,21 +58,21 @@ Kwargs:
     notifier (OpenAssessment.Notifier): Used to send notifications of updates to container items.
 
 **/
-OpenAssessment.Container = function(containerItem, kwargs) {
+OpenAssessment.Container = function(ContainerItem, kwargs) {
     this.containerElement = kwargs.containerElement;
     this.templateElement = kwargs.templateElement;
     this.addButtonElement = kwargs.addButtonElement;
     this.removeButtonClass = kwargs.removeButtonClass;
     this.containerItemClass = kwargs.containerItemClass;
     this.notifier = kwargs.notifier;
-    this.addRemoveEnabled = (typeof kwargs.addRemoveEnabled == 'undefined') || kwargs.addRemoveEnabled;
+    this.addRemoveEnabled = (typeof kwargs.addRemoveEnabled === 'undefined') || kwargs.addRemoveEnabled;
 
     // Since every container item should be instantiated with
     // the notifier we were given, create a helper method
     // that does this automatically.
     var container = this;
     this.createContainerItem = function(element) {
-        return new containerItem(element, container.notifier);
+        return new ContainerItem(element, container.notifier);
     };
 };
 

openassessment/xblock/static/js/src/studio/oa_container_item.js

@@ -613,7 +613,7 @@ OpenAssessment.RubricCriterion.prototype = {
 OpenAssessment.TrainingExample = function(element){
     this.element = element;
     this.criteria = $(".openassessment_training_example_criterion_option", this.element);
-    this.answer = $('.openassessment_training_example_essay_part textarea', this.element)
+    this.answer = $('.openassessment_training_example_essay_part textarea', this.element);
 };
 
 OpenAssessment.TrainingExample.prototype = {

openassessment/xblock/static/js/src/studio/oa_edit.js

@@ -273,11 +273,12 @@ OpenAssessment.StudioView.prototype = {
 
 
 /* XBlock entry point for Studio view */
+/* jshint unused:false */
 function OpenAssessmentEditor(runtime, element) {
 
     /**
     Initialize the editing interface on page load.
     **/
     var server = new OpenAssessment.Server(runtime, element);
-    var view = new OpenAssessment.StudioView(runtime, element, server);
+    new OpenAssessment.StudioView(runtime, element, server);
 }

openassessment/xblock/static/js/src/studio/oa_edit_fields.js

@@ -136,7 +136,7 @@ OpenAssessment.ToggleControl.prototype = {
     Returns:
         OpenAssessment.ToggleControl
     **/
-    install: function(checkboxSelector) {
+    install: function() {
         this.checkbox.change(
             this, function(event) {
                 var control = event.data;

openassessment/xblock/static/js/src/studio/oa_edit_listeners.js

@@ -12,9 +12,9 @@ OpenAssessment.StudentTrainingListener.prototype = {
     /**
     Add a answer part in the training examples when a prompt is added.
      */
-    promptAdd: function(data) {
+    promptAdd: function() {
         var view = this.element;
-        var essay_part = $("#openassessment_training_example_part_template")
+        $("#openassessment_training_example_part_template")
             .children().first()
             .clone()
             .removeAttr('id')
@@ -93,6 +93,7 @@ OpenAssessment.StudentTrainingListener.prototype = {
         });
 
         if (criterionAdded) {
+            /* jshint maxlen:300 */
             this.displayAlertMsg(
                 gettext("Criterion Added"),
                 gettext("You've added a criterion. You'll need to select an option for the criterion in the Student Training step. To do this, click the Settings tab.")
@@ -133,13 +134,14 @@ OpenAssessment.StudentTrainingListener.prototype = {
 
             // If all options have been removed from the Criterion, remove
             // the criterion entirely.
-            if ($("option", criterionOption).length == 1) {
+            if ($("option", criterionOption).length === 1) {
                 handler.removeAllOptions(data);
                 invalidated = false;
             }
         });
 
         if (invalidated) {
+            /* jshint maxlen:300 */
             this.displayAlertMsg(
                 gettext("Option Deleted"),
                 gettext("You've deleted an option. The system has removed that option from its criterion in the sample responses in the Student Training step. You may have to select a new option for the criterion.")
@@ -148,7 +150,10 @@ OpenAssessment.StudentTrainingListener.prototype = {
     },
 
     _optionSel: function(criterionName) {
-        return $('.openassessment_training_example_criterion_option[data-criterion="' + criterionName + '"]', this.element);
+        return $(
+            '.openassessment_training_example_criterion_option[data-criterion="' + criterionName + '"]',
+            this.element
+        );
     },
 
     /**
@@ -165,13 +170,14 @@ OpenAssessment.StudentTrainingListener.prototype = {
         var changed = false;
         $('.openassessment_training_example_criterion', this.element).each(function() {
             var criterion = this;
-            if ($(criterion).data('criterion') == data.criterionName) {
+            if ($(criterion).data('criterion') === data.criterionName) {
                 $(criterion).remove();
                 changed = true;
             }
         });
 
         if (changed) {
+            /* jshint maxlen:300 */
             this.displayAlertMsg(
                 gettext("Option Deleted"),
                 gettext("You've deleted all the options for this criterion. The system has removed the criterion from the sample responses in the Student Training step.")
@@ -199,6 +205,7 @@ OpenAssessment.StudentTrainingListener.prototype = {
         );
 
         if (changed) {
+            /* jshint maxlen:300 */
             this.displayAlertMsg(
                 gettext("Criterion Deleted"),
                 gettext("You've deleted a criterion. The system has removed the criterion from the sample responses in the Student Training step.")
@@ -369,14 +376,14 @@ OpenAssessment.AssessmentToggleListener = function() {
 };
 
 OpenAssessment.AssessmentToggleListener.prototype = {
-    toggleOff: function(data) {
+    toggleOff: function() {
         this.alert.setMessage(
             gettext("Warning"),
             gettext("Changes to steps that are not selected as part of the assignment will not be saved.")
         ).show();
     },
 
-    toggleOn: function(data) {
+    toggleOn: function() {
         this.alert.hide();
     }
 };

openassessment/xblock/static/js/src/studio/oa_edit_prompts.js

@@ -11,7 +11,7 @@ Returns:
 OpenAssessment.EditPromptsView = function(element, notifier) {
     this.element = element;
     this.editorElement = $(this.element).closest("#openassessment-editor");
-    this.addRemoveEnabled = !(this.editorElement.attr('data-is-released') === 'true');
+    this.addRemoveEnabled = this.editorElement.attr('data-is-released') !== 'true';
 
     this.promptsContainer = new OpenAssessment.Container(
         OpenAssessment.Prompt, {

openassessment/xblock/static/js/src/studio/oa_edit_settings.js

@@ -65,7 +65,7 @@ OpenAssessment.EditSettingsView.prototype = {
                     .sortable('refresh').sortable('refreshPositions');
             },
             // On stop, we redisplay the divs to their original state
-            stop: function(event, ui){
+            stop: function() {
                 $('.openassessment_assessment_module_editor', view.element).show();
             },
             snap: true,
@@ -134,10 +134,10 @@ OpenAssessment.EditSettingsView.prototype = {
     imageSubmissionEnabled: function(isEnabled) {
         var sel = $("#openassessment_submission_image_editor", this.settingsElement);
         if (isEnabled !== undefined) {
-            if (isEnabled) { sel.val(1); }
-            else { sel.val(0); }
+            if (isEnabled) { sel.val("1"); }
+            else { sel.val("0"); }
         }
-        return (sel.val() == 1);
+        return sel.val() === "1";
     },
 
     /**
@@ -154,10 +154,10 @@ OpenAssessment.EditSettingsView.prototype = {
             if (isEnabled) {
                 sel.val(1);
             } else {
-                sel.val(0)
+                sel.val(0);
             }
         }
-        return (sel.val() == 1);
+        return sel.val() === 1;
     },
     /**
     Get or set the number of scores to show in the leaderboard.
@@ -212,7 +212,7 @@ OpenAssessment.EditSettingsView.prototype = {
                 var asmntView = view.assessmentViews[$(this).attr('id')];
                 if (asmntView.isEnabled()) {
                     var description = asmntView.description();
-                    description["name"] = asmntView.name;
+                    description.name = asmntView.name;
                     assessmentDescList.push(description);
                 }
             }

package.json

@@ -9,7 +9,8 @@
     "karma-jasmine": "0.1.5",
     "karma-phantomjs-launcher": "^0.1.4",
     "karma-spec-reporter": "^0.0.20",
-    "uglify-js": "2.3.6"
+    "uglify-js": "2.3.6",
+    "jshint": "2.8.0"
   },
   "scripts": {
     "test": "./node_modules/karma/bin/karma start --reporters spec,coverage"