Adds option to ignore specific errors.

Fixes #14

README.md

@@ -77,6 +77,8 @@ cross-domain requests.
 **signatureUrl** - Use a server side url to get a signature for the message.
 See below in the "Security" section for more details.
 
+**ignoreErrors** - An array of error messages that should not get passed to sentry. You'll probably want to set this to `["Script error"]`.
+
 
 ## Logging Errors
 

src/raven.js

@@ -31,7 +31,8 @@
         site: undefined,
         signatureUrl: undefined,
         fetchHeaders: false,  // Generates a synchronous request to your server
-        testMode: false  // Disables some things that randomize the signature
+        testMode: false,  // Disables some things that randomize the signature
+        ignoreErrors: []
     };
 
     Raven.funcNameRE = /function\s*([\w\-$]+)?\s*\(/i;
@@ -353,6 +354,9 @@
             type = message.name;
             message = message.message;
         }
+        if ($.inArray(message, self.options.ignoreErrors) >= 0) {
+            return;
+        }
 
         label = lineno ? message + " at " + lineno : message;
 

test/process.js

@@ -58,4 +58,11 @@ $(document).ready(function() {
                  'the message should match');
     });
 
+    test("should ignore errors passed in `ignoreErrors`", function() {
+        Raven.process("Error to ignore");
+
+        // Raven should bail before making an ajax call
+        equal(ajax_calls.length, 0);
+    });
+
 });

test/test.html

@@ -48,7 +48,8 @@ <h2 id="qunit-userAgent"></h2>
                     "secretKey": "77ec8c99a8854256aa68ccb91dd9119d",
                     "servers": ["/"],
                     "signatureUrl": null,
-                    "testMode": true
+                    "testMode": true,
+                    "ignoreErrors": ["Error to ignore"]
                 };
                 Raven.config(config_opts);