From 3ac6ab895f4badb968fe698d1674b56e18a1e64f Mon Sep 17 00:00:00 2001
From: Georgy Berdyshev <georgyberdyshev@users.noreply.github.com>
Date: Mon, 3 Dec 2018 05:28:00 +0100
Subject: [PATCH] Update to Babel 7.

---
 .babelrc        |  3 ---
 babel.config.js | 17 +++++++++++++++++
 package.json    |  9 +++++----
 test/mocha.opts |  4 ++--
 4 files changed, 24 insertions(+), 9 deletions(-)
 delete mode 100644 .babelrc
 create mode 100644 babel.config.js

diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index c13c5f62..00000000
--- a/.babelrc
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "presets": ["es2015"]
-}
diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 00000000..9da88cfe
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,17 @@
+const presets = [
+  [
+    "@babel/env",
+    {
+      targets: {
+        edge: "17",
+        firefox: "60",
+        chrome: "67",
+        safari: "11.1",
+      },
+      useBuiltIns: "usage",
+    },
+  ],
+];
+
+module.exports = { presets };
+
diff --git a/package.json b/package.json
index 63a65585..ae378e45 100644
--- a/package.json
+++ b/package.json
@@ -22,15 +22,16 @@
     "rfc 6578"
   ],
   "dependencies": {
+    "@babel/polyfill": "^7.0.0",
     "co": "^4.6.0",
     "xmldom": "^0.1.27",
     "xmlhttprequest": "^1.8.0"
   },
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.3",
-    "babel-polyfill": "^6.26.0",
-    "babel-preset-es2015": "^6.24.1",
+    "@babel/cli": "^7.1.5",
+    "@babel/core": "^7.1.6",
+    "@babel/preset-env": "^7.1.6",
+    "@babel/register": "^7.0.0",
     "browserify": "^11.0.1",
     "chai": "^4.2.0",
     "doctoc": "^0.15.0",
diff --git a/test/mocha.opts b/test/mocha.opts
index d741293e..cd61e086 100644
--- a/test/mocha.opts
+++ b/test/mocha.opts
@@ -1,5 +1,5 @@
---require babel-core/register
---require babel-polyfill
+--require @babel/register
+--require @babel/polyfill
 --recursive
 --reporter spec
 --timeout 20s