Update peerDependencies to work with Babel 7+

README.md

@@ -14,10 +14,10 @@ Any module (that is *not* in `node_modules`) required via your tests with an ext
 For more information on writing tests in lab, see the [README](https://github.com/hapijs/lab).
 
 ### Babel >= 6
-For Babel versions greather than 6, please install [`babel-preset-es2015`](https://www.npmjs.com/package/babel-preset-es2015) add the following to your [`.babelrc`](https://babeljs.io/docs/usage/babelrc/):
+For Babel versions greather than 6, you can install [`babel-preset-env`](https://www.npmjs.com/package/babel-preset-env) add the following to your [`.babelrc`](https://babeljs.io/docs/usage/babelrc/):
 ```
 {
-  "presets": ["es2015"]
+  "presets": ["env"]
 }
 ```
 (this could be added to the `babel` section of yor `package.json`, as described by the [`.babelrc`](https://babeljs.io/docs/usage/babelrc/#use-via-package-json) documentation)

lib/index.js

@@ -1,4 +1,4 @@
-var Babel = require('babel-core');
+var Babel = require('@babel/core');
 
 var internals = {};
 internals.transform = function (content, filename) {

package.json

@@ -21,6 +21,6 @@
   },
   "homepage": "https://github.com/nlf/lab-babel",
   "peerDependencies": {
-    "babel-core": ">=4.x.x"
+    "@babel/core": ">=7.x.x"
   }
 }