Update dependencies

Author: anttiai

package.json

@@ -5,8 +5,9 @@
   "main": "index.js",
   "jsdelivr": "./dist/addsearch-js-client.min.js",
   "scripts": {
-    "test": "./node_modules/mocha/bin/mocha -r esm --compilers js:babel-core/register",
-    "build": "npm test ; ./node_modules/webpack-cli/bin/webpack.js"
+    "test": "./node_modules/mocha/bin/mocha --recursive --require @babel/register",
+    "build": "npm run test && ./node_modules/webpack-cli/bin/cli.js",
+    "watch": "./node_modules/webpack-cli/bin/cli.js --watch"
   },
   "repository": {
     "type": "git",
@@ -35,20 +36,21 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "es6-promise": "^4.2.6",
+    "es6-promise": "^4.2.8",
     "isomorphic-fetch": "^2.2.1"
   },
   "devDependencies": {
-    "@babel/cli": "^7.4.4",
-    "@babel/core": "^7.4.4",
-    "babel-loader": "^7.1.5",
-    "babel-preset-es2015": "^6.24.1",
-    "esm": "^3.2.22",
-    "fetch-mock": "^7.3.3",
-    "mocha": "^5.0.5",
-    "node-fetch": "^2.5.0",
-    "uglify-js": "^3.5.15",
-    "webpack": "^4.4.1",
-    "webpack-cli": "^2.0.13"
+    "@babel/cli": "^7.7.7",
+    "@babel/core": "^7.7.7",
+    "@babel/preset-env": "^7.7.7",
+    "@babel/register": "^7.7.7",
+    "babel-loader": "^8.0.6",
+    "esm": "^3.2.25",
+    "fetch-mock": "^8.3.1",
+    "mocha": "^6.2.2",
+    "node-fetch": "^2.6.0",
+    "uglify-js": "^3.7.4",
+    "webpack": "^4.41.5",
+    "webpack-cli": "^3.3.10"
   }
 }