[New] add eslint v5 support

Author: ljharb

.travis.yml

@@ -24,6 +24,7 @@ env:
   global:
     - TEST=true
   matrix:
+    - ESLINT=5
     - ESLINT=4
     - ESLINT=3
 matrix:
@@ -33,6 +34,11 @@ matrix:
       env: FLOW=true TEST=false
     - node_js: "node"
       env: LINT=true TEST=false
+  exclude:
+    - node_js: "5"
+      env: ESLINT=5
+    - node_js: "4"
+      env: ESLINT=5
   allow_failures:
     - node_js: "9"
     - node_js: "7"

package.json

@@ -40,7 +40,7 @@
     "babel-polyfill": "^6.26.0",
     "babel-preset-es2015": "^6.24.1",
     "coveralls": "^3.0.1",
-    "eslint": "^3 || ^4",
+    "eslint": "^3 || ^4 || ^5",
     "eslint-config-airbnb-base": "^13.0.0",
     "eslint-plugin-flowtype": "^2.49.3",
     "eslint-plugin-import": "^2.13.0",
@@ -70,7 +70,7 @@
     "jsx-ast-utils": "^2.0.1"
   },
   "peerDependencies": {
-    "eslint": "^3 || ^4"
+    "eslint": "^3 || ^4 || ^5"
   },
   "jest": {
     "coverageReporters": [