accept-encoding: the key format is not valid, closes #11; closes #12

README.md

@@ -52,6 +52,7 @@ log.info(new Error('An error message'));
 ##### Extra
 In case `extra` [is a plain object](https://lodash.com/docs#isPlainObject),
 the library converts it to a readable format. Other values [are converted to string](https://lodash.com/docs#toString).
+Acceptable format is: `^[\w.-]$`  
 ```javascript
 log.info(
   'a new msg goes here',

lib/gelf-pro.js

@@ -84,7 +84,7 @@ gelf.getStringFromObject = function (obj) {
   // recursion function for key-value aggregation
   var recursion = function (input, prefix) {
     _.forOwn(input, function (value, key) {
-      if ((/[^\w]/).test(key)) {
+      if ((/[^\w.-]/).test(key)) {
         console.warn(key + ': the key format is not valid');
       }
       if (_.isPlainObject(value)) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gelf-pro",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "main": "./lib/gelf-pro.js",
   "author": "Kanstantsin Kamkou <[email protected]>",
   "description": "The Graylog Extended Log Format for the Node.js",
@@ -22,15 +22,15 @@
     "test": "./node_modules/.bin/istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "dependencies": {
-    "lodash": "~4.5",
+    "lodash": "~4.7",
     "async": "~1.5"
   },
   "devDependencies": {
     "istanbul": "~0.4.2",
-    "should": "~8.2",
+    "should": "~8.3",
     "mocha": "~2.4",
     "mocha-lcov-reporter": "~1.2.0",
-    "coveralls": "~2.11.8",
+    "coveralls": "~2.11",
     "sinon": "~1.17"
   }
 }

test/tests.js

@@ -94,7 +94,9 @@ module.exports = {
             level2: {
               level3: {value3: 'value3'},
               value2: 'value2'
-            }
+            },
+            'key.with.dot': 1,
+            'key-with-dash': 1
           }
         });
 
@@ -103,8 +105,11 @@ module.exports = {
       result = JSON.parse(result);
       result.should.have.property('_value0').equal('value0');
       result.should.have.property('_level1_value1').equal('value1');
+      result.should.have.property('_level1_key.with.dot').equal(1);
+      result.should.have.property('_level1_key-with-dash').equal(1);
       result.should.have.property('_level1_level2_value2').equal('value2');
       result.should.have.property('_level1_level2_level3_value3').equal('value3');
+
     },
 
     'Work with dates': function () {