escaped $ in growl messages

lib/growl-reporter.js

@@ -13,15 +13,23 @@ function listen() {
   this.repository.on('errorsFixed', this.handleErrorsFixed.bind(this));
 }
 
+function escape(text) {
+  return text.replace('$', '\\$');
+}
+
+function notify(title, text, icon) {
+  growl.notify(escape(text), {
+    title: escape(title),
+    image: __dirname + '/../icons/' + icon + '.png'
+  });
+}
+
 function handleErrorsIntroduced(file, errors) {
   var error = 'First error at line ' + errors[0].line + 
               ' char ' + errors[0].character + 
               ':\n' + errors[0].reason;
   var title = 'You introduced ' + pluralize(errors.length, 'lint error') + ' in ' + file.name + ':';
-  growl.notify(error, {
-    title: title,
-    image: __dirname + '/../icons/no.png'
-  });
+  notify(title, error, 'error');
 }
 
 var cheers = [
@@ -52,22 +60,15 @@ function cheer() {
 }
 
 function congratulate(file) {
-  growl.notify(file.name + ' is clean.', {
-    title: cheer(),
-    image: __dirname + '/../icons/ok.png'
-  });
+  notify(cheer(), file.name + ' is clean.', 'clean');
 }
 
 function nextError(file) {
   var error = file.errors[0];
   var text = 'Next error at line ' + error.line + 
               ' char ' + error.character + 
               ':\n' + error.reason;
-  var title = 'Nice cleanup!';
-  growl.notify(text, {
-    title: title,
-    image: __dirname + '/../icons/more.png'
-  });
+  notify('Nice cleanup!', text, 'more');
 }
 
 function handleErrorsFixed(file, fixedError) {

test/growl-reporter-test.js

@@ -67,5 +67,11 @@ buster.testCase("growlReporter", {
       reason: 'Bah, humbug!'
     }]}, [{}]);
     assert.calledWith(growl.notify, 'Next error at line 19 char 0:\nBah, humbug!');
+  },
+
+  "should escape $": function () {
+    this.reporter.handleErrorsFixed({name: 'file$.js', errors: []}, [{}]);
+    assert.calledWith(growl.notify, 'file\\$.js is clean.');
   }
+
 });

todo.md

@@ -1,7 +1,5 @@
 Todo
 ====
-* `$` needs to be escaped in growl messages
-
 * being blamed for introducing an error, AND praised for fixing it,
   when changing around whitespace (changes lines)