use preset-env, test against babel 7, update readme, add lock file

babel · Sep 14, 2017 · dc04a19 · dc04a19
1 parent 2a07480
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diff --git a/README.md b/README.md
@@ -14,10 +14,10 @@
 npm install karma-babel-preprocessor --save-dev
 ```
 
-As of Babel 6.0, [you need to tell Babel which features to use](http://babeljs.io/docs/plugins/). [babel-preset-es2015](http://babeljs.io/docs/plugins/preset-es2015/) would be the most common one.
+As of Babel 6.0, [you need to tell Babel which features to use](http://babeljs.io/docs/plugins/). [babel-preset-env](http://babeljs.io/docs/plugins/preset-env/) would be the most common one.
 
 ```bash
-npm install babel-preset-es2015 --save-dev
+npm install babel-preset-env --save-dev
 ```
 
 ## Configuration

diff --git a/karma.conf.js b/karma.conf.js
@@ -41,7 +41,7 @@ module.exports = function(config) {
 
     babelPreprocessor: {
       options: {
-        presets: ['es2015']
+        presets: ['env']
       }
     },