Floats and Integers aren't supported, closes #10

lib/gelf-pro.js

@@ -90,7 +90,8 @@ gelf.getStringFromObject = function (obj) {
       if (_.isPlainObject(value)) {
         return recursion(value, prefix ? [prefix, key].join('_') : key);
       }
-      result[(prefix ? [null, prefix, key] : [null, key]).join('_')] = _.toString(value);
+      result[(prefix ? [null, prefix, key] : [null, key]).join('_')] =
+        _.isFinite(value) ? value : _.toString(value);
     });
   };
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gelf-pro",
-  "version": "0.6.1",
+  "version": "0.6.2",
   "main": "./lib/gelf-pro.js",
   "author": "Kanstantsin Kamkou <[email protected]>",
   "description": "The Graylog Extended Log Format for the Node.js",

test/tests.js

@@ -113,6 +113,15 @@ module.exports = {
       JSON.parse(gelf.getStringFromObject({test: date}))._test.should.equal(date.toString());
     },
 
+    'Work with numeric type': function () {
+      var gelf = _.cloneDeep(gelfOriginal),
+        fields = {aFloat: 1.1, anInteger: 0, aString: '0'},
+        json = JSON.parse(gelf.getStringFromObject(fields));
+      Number.isFinite(json._aFloat).should.equal(true);
+      Number.isFinite(json._anInteger).should.equal(true);
+      Number.isFinite(json._aString).should.equal(false);
+    },
+
     'Transform an Error object': function () {
       var gelf = _.cloneDeep(gelfOriginal),
         err = new Error('Some error message');