Ignore invalid log levels

Author: blazzy

amplitude.js

@@ -2042,7 +2042,7 @@ var type = function (val) {
   return typeof val === 'undefined' ? 'undefined' : _typeof(val);
 };
 
-var logLevel = 'INFO';
+var logLevel = 'WARN';
 
 var logLevels = {
   DISABLE: 0,
@@ -2052,7 +2052,11 @@ var logLevels = {
 };
 
 var setLogLevel = function setLogLevel(logLevelName) {
-  logLevel = logLevels[logLevelName];
+  logLevel = logLevels[logLevelName] || logLevel;
+};
+
+var getLogLevel = function getLogLevel() {
+  return logLevel;
 };
 
 var log = {
@@ -2269,6 +2273,7 @@ var getQueryParam = function getQueryParam(name, query) {
 
 var utils = {
   setLogLevel: setLogLevel,
+  getLogLevel: getLogLevel,
   log: log,
   isEmptyString: isEmptyString,
   getQueryParam: getQueryParam,

amplitude.min.js

@@ -1,7 +1,7 @@
 import constants from './constants';
 import type from './type';
 
-let logLevel = 'INFO';
+let logLevel = 'WARN';
 
 var logLevels = {
   DISABLE: 0,
@@ -11,7 +11,11 @@ var logLevels = {
 };
 
 const setLogLevel = function setLogLevel(logLevelName) {
-  logLevel = logLevels[logLevelName];
+  logLevel = logLevels[logLevelName] || logLevel;
+};
+
+const getLogLevel = function getLogLevel() {
+  return logLevel;
 };
 
 const log = {
@@ -231,6 +235,7 @@ var getQueryParam = function getQueryParam(name, query) {
 
 export default {
   setLogLevel,
+  getLogLevel,
   log,
   isEmptyString,
   getQueryParam,

src/utils.js

@@ -24,6 +24,11 @@ describe('utils', function() {
       console.log.restore();
     });
 
+    describe('setLogLevelShould ignore invalid log levels', function() {
+      utils.setLogLevel('INVALID_LOGLEVEL');
+      assert.strictEqual(utils.getLogLevel(), 'WARN');
+    });
+
     describe('logLevel is ERROR', function() {
       beforeEach(function() {
         utils.setLogLevel('ERROR');