upgrade dependencies

.babelrc

@@ -1,7 +1,4 @@
 {
-  "presets": [
-    "react",
-    "env",
-    "stage-1"
-  ]
+  "presets": ["@babel/preset-react", "@babel/preset-env"],
+  "plugins": ["@babel/plugin-proposal-class-properties"]
 }

.eslintrc

@@ -8,14 +8,8 @@
     "no-const-assign": 2,
     "prefer-spread": 0,
     "prefer-template": 2,
-    "arrow-body-style": [
-      2,
-      "as-needed"
-    ],
-    "arrow-parens": [
-      2,
-      "as-needed"
-    ],
+    "arrow-body-style": [2, "as-needed"],
+    "arrow-parens": [2, "as-needed"],
     "arrow-spacing": [
       2,
       {
@@ -33,22 +27,20 @@
     "react/no-did-mount-set-state": 2,
     "react/no-did-update-set-state": 2,
     "react/no-unknown-property": 2,
-    "react/prop-types": [2, {
-      "ignore": [
-        "children"
-      ]
-    }],
+    "react/prop-types": [
+      2,
+      {
+        "ignore": ["children"]
+      }
+    ],
     "react/no-unused-prop-types": 2,
     "react/sort-comp": 2,
     "react/self-closing-comp": 2,
     "react/jsx-wrap-multilines": 2,
     "react/jsx-key": 2,
     "react/jsx-pascal-case": 2
   },
-  "plugins": [
-    "lodash",
-    "react"
-  ],
+  "plugins": ["lodash", "react"],
   "parser": "babel-eslint",
   "parserOptions": {
     "ecmaVersion": 2017,
@@ -61,5 +53,10 @@
   "env": {
     "browser": true,
     "commonjs": true
+  },
+  "settings": {
+    "react": {
+      "version": "16.12"
+    }
   }
 }

package.json

@@ -23,38 +23,38 @@
   "homepage": "https://github.com/rommguy/react-custom-scroll#readme",
   "dependencies": {},
   "devDependencies": {
-    "@types/react-dom": "^16.8.4",
-    "autoprefixer": "6.3.6",
-    "babel-core": "^6.26.3",
-    "babel-eslint": "^8.2.3",
-    "babel-loader": "^7.1.4",
-    "babel-preset-env": "^1.7.0",
-    "babel-preset-react": "^6.24.1",
-    "babel-preset-stage-1": "^6.24.1",
-    "babel-runtime": "^6.26.0",
-    "css-loader": "^3.2.0",
-    "eslint": "^6.2.2",
-    "eslint-plugin-lodash": "5.1.0",
-    "eslint-plugin-react": "^7.14.0",
+    "@babel/core": "^7.8.4",
+    "@babel/plugin-proposal-class-properties": "^7.8.3",
+    "@babel/preset-env": "^7.8.4",
+    "@babel/preset-react": "^7.8.3",
+    "@babel/runtime": "^7.8.4",
+    "@types/react-dom": "^16.9.5",
+    "autoprefixer": "^9.7.4",
+    "babel-eslint": "^10.0.3",
+    "babel-loader": "^8.0.6",
+    "css-loader": "^3.4.2",
+    "eslint": "^6.8.0",
+    "eslint-plugin-lodash": "^6.0.0",
+    "eslint-plugin-react": "^7.18.3",
     "extract-text-webpack-plugin": "4.0.0-beta.0",
-    "jasmine": "^3.1.0",
-    "jasmine-core": "^3.1.0",
-    "karma": "^4.1.0",
-    "karma-chrome-launcher": "2.2.0",
-    "karma-jasmine": "^2.0.1",
-    "karma-sourcemap-loader": "0.3.7",
+    "jasmine": "^3.5.0",
+    "jasmine-core": "^3.5.0",
+    "karma": "^4.4.1",
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-jasmine": "^3.1.0",
+    "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^4.0.2",
-    "lodash": "^4.17.10",
-    "node-sass": "4.12.0",
-    "postcss-cli": "2.5.1",
-    "prettier": "^1.18.2",
-    "prop-types": "15.5.8",
-    "react": "^16.8.6",
-    "react-dom": "^16.8.6",
-    "sass-loader": "^7.0.1",
-    "style-loader": "^0.21.0",
-    "webpack": "^4.8.3",
-    "webpack-cli": "^3.3.7"
+    "lodash": "^4.17.15",
+    "node-sass": "^4.13.1",
+    "postcss-cli": "^7.1.0",
+    "prettier": "^1.19.1",
+    "prop-types": "^15.7.2",
+    "react": "^16.12.0",
+    "react-dom": "^16.12.0",
+    "sass-loader": "^8.0.2",
+    "style-loader": "^1.1.3",
+    "webpack": "^4.41.5",
+    "webpack-cli": "^3.3.10"
   },
   "resolutions": {
     "**/**/fsevents": "^1.2.9"

src/main/customScroll.js

@@ -422,4 +422,4 @@ CustomScroll.defaultProps = {
   minScrollHandleHeight: 38
 }
 
-module.exports = CustomScroll
+export default CustomScroll