chore: update dev dependencies

* Update ESLint related dev dependencies
* Improve ESLint configurations
* Replace "eslint-config-airbnb" with "eslint-config-airbnb-base"
* Drop "eslint-plugin-jsx-a11y"
* Drop "eslint-plugin-react"
* Fixed linting errors
* Replace "jasmine-node" with "jasmine"
* Update babel related dev dependencies
* Move "babel-plugin-add-header-comment" to "devDependencies"
* Update nodemon
* Update node package scripts
* Update Travis CI to use Node 8

Author: erisu

.babelrc

@@ -1,6 +1,6 @@
 {
   "presets": [
-    "es2015"
+    "@babel/preset-env"
   ],
   "plugins": [
     ["add-header-comment", {

.eslintrc

@@ -1,17 +1,16 @@
 {
-  "extends": "airbnb",
+  "extends": "airbnb-base",
   "parser": "babel-eslint",
-  "ecmaFeatures": {
-    "experimentalObjectRestSpread": true
-  },
   "rules": {
     "spaced-comment": 0,
     "no-console": 0,
-    "no-unused-expressions": [2, { "allowShortCircuit": true }]
+    "no-unused-expressions": [2, { "allowShortCircuit": true }],
+    "class-methods-use-this": 0
   },
   "env": {
-      "node": true,
-      "mocha": true,
-      "browser": true
+    "browser": true
+  },
+  "globals": {
+    "cordova": false
   }
 }

.travis.yml

@@ -1,6 +1,5 @@
 language: node_js
-node_js:
-- '4'
+node_js: 8
 branches:
   only:
   - master

package.json

@@ -69,27 +69,25 @@
   "scripts": {
     "build": "babel src/js --out-dir www",
     "build:watch": "nodemon -w ./src/js -e js -x npm run build",
-    "eslint": "node node_modules/.bin/eslint src/js",
-    "jasmine": "jasmine-node --color spec",
+    "eslint": "eslint src/js",
+    "jasmine": "jasmine --config=spec/unit.json",
     "precommit-msg": "echo 'Pre-commit checks...' && exit 0",
-    "test": "npm run build && npm run jasmine"
+    "test": "npm run build && npm run eslint && npm run jasmine"
   },
   "devDependencies": {
-    "babel-cli": "^6.10.1",
-    "babel-core": "^6.10.4",
-    "babel-eslint": "^6.1.0",
-    "babel-preset-es2015": "^6.9.0",
-    "eslint": "^2.13.1",
-    "eslint-config-airbnb": "^9.0.1",
-    "eslint-plugin-import": "^1.9.2",
-    "eslint-plugin-jsx-a11y": "^1.5.3",
-    "eslint-plugin-react": "^5.2.2",
-    "jasmine-node": "1.14.5",
-    "nodemon": "^1.9.2",
+    "@babel/cli": "^7.5.5",
+    "@babel/core": "^7.5.5",
+    "@babel/preset-env": "^7.5.5",
+    "babel-eslint": "^10.0.3",
+    "babel-plugin-add-header-comment": "^1.0.3",
+    "eslint": "^6.2.2",
+    "eslint-config-airbnb-base": "^14.0.0",
+    "eslint-plugin-import": "^2.18.2",
+    "jasmine": "^3.4.0",
+    "nodemon": "^1.19.1",
     "pluginpub": "^0.0.9"
   },
   "dependencies": {
-    "babel-plugin-add-header-comment": "^1.0.3",
     "install": "^0.8.2"
   }
 }

spec/.eslintrc.yml

@@ -0,0 +1,2 @@
+env:
+  jasmine: true