Fixed issue with IE.

Updated vue to 2.5.13.

Author: justinkames

Diff for: package.json

@@ -1,7 +1,7 @@
 {
   "name": "vuejs-logger",
   "author": "Justin Kames",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "description": "Vuejs-logger, provides customizable logging functionality for Vue.js.",
   "main": "dist/index.js",
   "repository": {
@@ -11,8 +11,9 @@
   "scripts": {
     "test": "istanbul cover _mocha -- --compilers js:babel-core/register -R spec --debug",
     "upload-coverage": "codecov -t $CODECOV_TOKEN",
-    "transpile": "node_modules/babel-cli/bin/babel.js src --out-dir dist && node_modules/uglify-js/bin/uglifyjs dist/logger.js -c -m -o dist/logger.js",
-    "prepublish": "npm test && npm run transpile"
+    "build-transpile-uglify": "node_modules/babel-cli/bin/babel.js src --out-dir dist && node_modules/uglify-js/bin/uglifyjs dist/logger.js -c -m -o dist/logger.js",
+    "build-transpile": "node_modules/babel-cli/bin/babel.js src --out-dir dist && node_modules/uglify-js/bin/uglifyjs dist/logger.js -c -m -o dist/logger.js",
+    "prepublish": "npm test && npm run build-transpile-uglify"
   },
   "license": "MIT",
   "babel": {
@@ -30,6 +31,6 @@
     "istanbul": "1.1.0-alpha.1",
     "mocha": "3.4.2",
     "uglify": "0.1.5",
-    "vue": "2.4.1"
+    "vue": "2.5.13"
   }
 }

Diff for: src/logger.js

@@ -40,7 +40,6 @@ export default (function () {
     }
 
     function isValidOptions (options, logLevels) {
-
         if (!(options.logLevel && typeof options.logLevel === 'string' && logLevels.indexOf(options.logLevel) > -1)) {
             return false
         }
@@ -60,7 +59,6 @@ export default (function () {
     }
 
     function install (Vue, options) {
-        // merge provided options with the default options
         options = Object.assign(defaultOptions, options)
 
         if (isValidOptions(options, logLevels)) {
@@ -72,11 +70,13 @@ export default (function () {
     }
 
     function getMethodName () {
-        let stackTrace = Error().stack.split('\n')[3]
+        let error = {}
+        try { throw new Error('') } catch (e) { error = e }
+        let stackTrace = error.stack.split('\n')[3]
         if (/ /.test(stackTrace)) {
             stackTrace = stackTrace.trim().split(' ')[1]
         }
-        if (stackTrace.includes('.')) {
+        if (stackTrace && stackTrace.includes('.')) {
             stackTrace = stackTrace.split('.')[1]
         }
         return stackTrace
@@ -89,5 +89,4 @@ export default (function () {
         initLoggerInstance,
         logLevels
     }
-})
-()
+})()