remove lodash, update deps

Author: bholloway

.nvmrc

@@ -0,0 +1 @@
+6

index.js

@@ -4,9 +4,7 @@
  */
 'use strict';
 
-var assign = require('lodash.assign');
-
-module.exports = assign(require('./lib/loader'), {
+module.exports = Object.assign(require('./lib/loader'), {
   moduleFilenameTemplate: require('./lib/module-filename-template'),
   codec                 : require('./codec')
 });

lib/loader.js

@@ -3,8 +3,7 @@
 var path = require('path');
 
 var loaderUtils = require('loader-utils'),
-    camelcase   = require('camelcase'),
-    defaults    = require('lodash.defaults');
+    camelcase   = require('camelcase');
 
 var PACKAGE_NAME = require('../package.json').name;
 
@@ -27,10 +26,11 @@ function loader(content, sourceMap) {
   // webpack 2: prefer loader options
   // webpack 3: deprecate loader.options object
   // webpack 4: loader.options no longer defined
-  var options = defaults(
-    {sep: path.sep},
+  var options = Object.assign(
+    {},
+    this.options && this.options[camelcase(PACKAGE_NAME)],
     loaderUtils.getOptions(this),
-    this.options && this.options[camelcase(PACKAGE_NAME)]
+    {sep: path.sep}
   );
 
   // process the source-map