update dev dependencies: upgrade babel (katspaugh#1469)

* update dev dependencies: upgrade babel

* ci: lint files

.babelrc

@@ -1,8 +1,12 @@
 {
     "presets": [
-        ["env"]
+        ["@babel/preset-env", {
+          "targets": "last 3 version",
+          "debug": false
+        }]
     ],
     "plugins": ["transform-class-properties", "add-module-exports"],
+
     "env": {
         "test": {
             "plugins": [

.travis.yml

@@ -14,6 +14,7 @@ install:
   - npm install
   - npm update
 script:
+  - npm run lint
   - npm run build
   - npm run test
   - npm run doc

appveyor.yml

@@ -19,6 +19,7 @@ shallow_clone: true
 test_script:
   - node --version
   - npm --version
+  - npm run lint
   - npm run build
   - npm run test
   - npm run doc

karma.conf.js

@@ -3,7 +3,7 @@
 process.env.BABEL_ENV = 'test';
 process.traceDeprecation = true;
 
-require('babel-register');
+require('@babel/register');
 var webpackConfig = require('./build-config/webpack.prod.main.js');
 var ci = process.env.TRAVIS || process.env.APPVEYOR;
 

package.json

@@ -38,14 +38,14 @@
     "url": "https://github.com/katspaugh/wavesurfer.js/issues"
   },
   "devDependencies": {
-    "babel-core": "^6.26.3",
-    "babel-eslint": "^8.2.6",
-    "babel-loader": "^7.1.5",
-    "babel-plugin-add-module-exports": "^0.2.1",
-    "babel-plugin-istanbul": "^4.1.6",
+    "@babel/core": "^7.1.0",
+    "@babel/preset-env": "^7.1.0",
+    "@babel/register": "^7.0.0",
+    "babel-eslint": "^10.0.1",
+    "babel-loader": "^8.0.4",
+    "babel-plugin-add-module-exports": "^1.0.0",
+    "babel-plugin-istanbul": "^5.0.1",
     "babel-plugin-transform-class-properties": "^6.24.1",
-    "babel-preset-env": "^1.7.0",
-    "babel-register": "^6.26.0",
     "debounce": "^1.2.0",
     "esdoc": "^1.1.0",
     "esdoc-accessor-plugin": "^1.0.0",
@@ -54,30 +54,30 @@
     "esdoc-ecmascript-proposal-plugin": "^1.0.0",
     "esdoc-integrate-test-plugin": "^1.0.0",
     "esdoc-standard-plugin": "^1.0.0",
-    "eslint": "^5.4.0",
-    "eslint-config-prettier": "^3.0.1",
-    "eslint-loader": "^2.1.0",
-    "eslint-plugin-prettier": "^2.6.2",
-    "htmlhint": "^0.9.13",
+    "eslint": "^5.6.1",
+    "eslint-config-prettier": "^3.1.0",
+    "eslint-loader": "^2.1.1",
+    "eslint-plugin-prettier": "^2.7.0",
+    "htmlhint": "^0.10.1",
     "in-publish": "^2.0.0",
     "jasmine-core": "^3.2.1",
     "karma": "^3.0.0",
     "karma-chrome-launcher": "2.2.0",
     "karma-coverage": "^1.1.2",
-    "karma-coveralls": "^2.0.0",
+    "karma-coveralls": "^2.1.0",
     "karma-firefox-launcher": "^1.1.0",
     "karma-jasmine": "1.1.2",
     "karma-jasmine-matchers": "3.8.3",
     "karma-verbose-reporter": "0.0.6",
-    "karma-webpack": "^4.0.0-beta.0",
-    "lint-staged": "^7.2.2",
+    "karma-webpack": "^3.0.0",
+    "lint-staged": "^7.3.0",
     "load-script": "^1.0.0",
     "pre-commit": "^1.2.2",
-    "prettier": "^1.14.2",
-    "uglifyjs-webpack-plugin": "^1.3.0",
-    "webpack": "^4.16.5",
-    "webpack-cli": "^3.1.0",
-    "webpack-dev-server": "3",
+    "prettier": "^1.14.3",
+    "uglifyjs-webpack-plugin": "^2.0.1",
+    "webpack": "^4.20.2",
+    "webpack-cli": "^3.1.1",
+    "webpack-dev-server": "^3.1.9",
     "webpack-merge": "^4.1.4"
   },
   "homepage": "https://github.com/katspaugh/wavesurfer.js",