Merge remote-tracking branch 'origin/master' into use-combobox-nav

package.json

@@ -22,22 +22,22 @@
     "dist"
   ],
   "devDependencies": {
-    "babel-cli": "^6.26.0",
+    "@babel/core": "^7.2.2",
+    "@babel/preset-env": "^7.2.3",
+    "@babel/preset-flow": "^7.0.0",
     "babel-plugin-transform-custom-element-classes": "^0.1.0",
-    "babel-preset-es2015-rollup": "^3.0.0",
-    "babel-preset-flow": "^6.23.0",
-    "chai": "^4.1.2",
-    "eslint": "^5.3.0",
-    "eslint-plugin-github": "^1.2.1",
-    "flow-bin": "^0.78.0",
-    "karma": "^3.0.0",
+    "chai": "^4.2.0",
+    "eslint": "^5.12.0",
+    "eslint-plugin-github": "^1.6.1",
+    "flow-bin": "^0.89.0",
+    "karma": "^3.1.4",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-mocha": "^1.3.0",
     "karma-mocha-reporter": "^2.2.5",
     "mocha": "^5.2.0",
-    "rollup": "^0.64.1",
-    "rollup-plugin-babel": "^3.0.7",
+    "rollup": "^1.0.2",
+    "rollup-plugin-babel": "^4.2.0",
     "rollup-plugin-node-resolve": "^4.0.0"
   },
   "dependencies": {

rollup.config.js

@@ -24,7 +24,7 @@ export default {
     }),
     babel({
       plugins: ['transform-custom-element-classes'],
-      presets: ['es2015-rollup', 'flow']
+      presets: ['@babel/env', '@babel/flow']
     })
   ]
 }