Update ESLint to v6

Author: jessebeach

.travis.yml

@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - "12"
   - "10"
   - "9"
   - "8"
@@ -28,6 +29,7 @@ env:
   global:
     - TEST=true
   matrix:
+    - ESLINT=6
     - ESLINT=5
     - ESLINT=4
     - ESLINT=3
@@ -39,10 +41,14 @@ matrix:
     - node_js: "node"
       env: LINT=true TEST=false
   exclude:
-    - node_js: "5"
+    - node_js: "4"
       env: ESLINT=5
     - node_js: "4"
+      env: ESLINT=6
+    - node_js: "5"
       env: ESLINT=5
+    - node_js: "6"
+      env: ESLINT=6
   allow_failures:
     - node_js: "9"
     - node_js: "7"

package.json

@@ -32,14 +32,15 @@
   "devDependencies": {
     "@babel/core": "^7.0.0",
     "@babel/plugin-transform-flow-strip-types": "^7.2.3",
+    "@babel/runtime": "^7.4.5",
     "babel-eslint": "^10.0.1",
     "babel-jest": "^24.0.0",
-    "babel-preset-airbnb": "^3.2.0",
+    "babel-preset-airbnb": "^4.0.0",
     "coveralls": "^3.0.1",
-    "eslint": "^5.15.2",
+    "eslint": "^3 || ^4 || ^5 || ^6",
     "eslint-config-airbnb-base": "^13.0.0",
     "eslint-plugin-flowtype": "^3.5.0",
-    "eslint-plugin-import": "^2.16.0",
+    "eslint-plugin-import": "^2.18.0",
     "estraverse": "^4.2.0",
     "expect": "^24.3.1",
     "flow-bin": "^0.100.0",
@@ -67,7 +68,7 @@
     "jsx-ast-utils": "^2.0.1"
   },
   "peerDependencies": {
-    "eslint": "^3 || ^4 || ^5"
+    "eslint": "^3 || ^4 || ^5 || ^6"
   },
   "jest": {
     "coverageReporters": [