Upgrade packages (kriasoft#1534)

* `@babel/*` `7.0.0-beta.36` → `7.0.0-beta.39`
* `node-fetch` `1.7.3` → `2.0.0`
* `universal-router` `5.0.0` → `6.0.0`
* `chokidar` `1.7.0` → `2.0.0`
* `flow-bin` `0.61.0` → `0.65.0`
* `react-dev-utils` `4.2.1` → `5.0.0`
* `react-error-overlay` `3.0.0` → `4.0.0`
* `opn-cli` **new dev dependency** `3.1.0`

package.json

@@ -8,7 +8,7 @@
   },
   "browserslist": [">1%", "last 4 versions", "Firefox ESR", "not ie < 9"],
   "dependencies": {
-    "@babel/polyfill": "7.0.0-beta.36",
+    "@babel/polyfill": "7.0.0-beta.39",
     "bluebird": "^3.5.1",
     "body-parser": "^1.18.2",
     "classnames": "^2.2.5",
@@ -21,7 +21,7 @@
     "history": "^4.7.2",
     "isomorphic-style-loader": "^4.0.0",
     "jsonwebtoken": "^8.1.0",
-    "node-fetch": "^1.7.3",
+    "node-fetch": "^2.0.0",
     "normalize.css": "^7.0.0",
     "passport": "^0.4.0",
     "passport-facebook": "^2.1.1",
@@ -34,18 +34,18 @@
     "serialize-javascript": "^1.3.0",
     "source-map-support": "^0.5.0",
     "sqlite3": "^3.1.13",
-    "universal-router": "^5.0.0",
+    "universal-router": "^6.0.0",
     "whatwg-fetch": "^2.0.3"
   },
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.36",
-    "@babel/node": "7.0.0-beta.36",
-    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.36",
-    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.36",
-    "@babel/preset-env": "7.0.0-beta.36",
-    "@babel/preset-flow": "7.0.0-beta.36",
-    "@babel/preset-react": "7.0.0-beta.36",
-    "@babel/preset-stage-2": "7.0.0-beta.36",
+    "@babel/core": "7.0.0-beta.39",
+    "@babel/node": "7.0.0-beta.39",
+    "@babel/plugin-transform-react-constant-elements": "7.0.0-beta.39",
+    "@babel/plugin-transform-react-inline-elements": "7.0.0-beta.39",
+    "@babel/preset-env": "7.0.0-beta.39",
+    "@babel/preset-flow": "7.0.0-beta.39",
+    "@babel/preset-react": "7.0.0-beta.39",
+    "@babel/preset-stage-2": "7.0.0-beta.39",
     "assets-webpack-plugin": "^3.5.1",
     "autoprefixer": "^7.2.3",
     "babel-core": "^7.0.0-0",
@@ -54,7 +54,7 @@
     "babel-loader": "8.0.0-beta.0",
     "babel-plugin-transform-react-remove-prop-types": "^0.4.12",
     "browser-sync": "^2.21.0",
-    "chokidar": "^1.7.0",
+    "chokidar": "^2.0.0",
     "css-loader": "^0.28.7",
     "enzyme": "^3.2.0",
     "eslint": "^4.14.0",
@@ -69,7 +69,7 @@
     "eslint-plugin-prettier": "^2.4.0",
     "eslint-plugin-react": "^7.5.1",
     "file-loader": "^1.1.6",
-    "flow-bin": "^0.61.0",
+    "flow-bin": "^0.65.0",
     "front-matter": "^2.3.0",
     "glob": "^7.1.2",
     "husky": "^0.14.3",
@@ -79,6 +79,7 @@
     "markdown-it": "^8.4.0",
     "mkdirp": "^0.5.1",
     "null-loader": "^0.1.1",
+    "opn-cli": "^3.1.0",
     "pixrem": "^4.0.1",
     "pleeease-filters": "^4.0.0",
     "postcss": "^6.0.14",
@@ -99,8 +100,8 @@
     "prettier": "^1.9.2",
     "raw-loader": "^0.5.1",
     "react-deep-force-update": "^2.1.1",
-    "react-dev-utils": "^4.2.1",
-    "react-error-overlay": "^3.0.0",
+    "react-dev-utils": "^5.0.0",
+    "react-error-overlay": "^4.0.0",
     "react-test-renderer": "^16.2.0",
     "rimraf": "^2.6.2",
     "stylelint": "^8.4.0",