Truncate error message at 100 chars

Author: mattrobenolt

src/raven.js

@@ -526,6 +526,9 @@ function processException(type, message, fileurl, lineno, frames, options) {
         };
     }
 
+    // Truncate the message to a max of characters
+    message = truncate(message, 100);
+
     if (globalOptions.ignoreUrls && globalOptions.ignoreUrls.test(fileurl)) return;
     if (globalOptions.whitelistUrls && !globalOptions.whitelistUrls.test(fileurl)) return;
 
@@ -557,6 +560,14 @@ function objectMerge(obj1, obj2) {
     return obj1;
 }
 
+function truncate(str, max) {
+    str = str.substr(0, max);
+    if (str.length === max) {
+        str += '…';
+    }
+    return str;
+}
+
 function getHttpData() {
     var http = {
         url: document.location.href,

test/raven.test.js

@@ -200,6 +200,13 @@ describe('globals', function() {
         });
     });
 
+    describe('truncate', function() {
+        it('should work as advertised', function() {
+            assert.equal(truncate('lolol', 3), 'lol…');
+            assert.equal(truncate('lolol', 10), 'lolol');
+        });
+    });
+
     describe('isSetup', function() {
         it('should return false with no JSON support', function() {
             globalServer = 'http://localhost/';