Update to ESLint 6

README.md

@@ -780,7 +780,8 @@ You can also supply a custom message if you want:
 
 eslint-config-prettier has been tested with:
 
-- ESLint 5.16.0
+- ESLint 6.0.1
+  - eslint-config-prettier 5.1.0 and older were tested with ESLint 5.x
   - eslint-config-prettier 2.10.0 and older were tested with ESLint 4.x
   - eslint-config-prettier 2.1.1 and older were tested with ESLint 3.x
 - prettier 1.18.2

bin/cli.js

@@ -17,7 +17,7 @@ if (module === require.main) {
         "This tool checks whether an ESLint configuration contains rules that are",
         "unnecessary or conflict with Prettier. It’s supposed to be run like this:",
         "",
-        "  eslint --print-config . | eslint-config-prettier-check",
+        "  eslint --print-config path/to/main.js | eslint-config-prettier-check",
         "  eslint --print-config test/index.js | eslint-config-prettier-check",
         "",
         "Exit codes:",

package.json

@@ -30,7 +30,7 @@
     "test:lint-verify-fail": "eslint \"test-lint/*.{js,ts,vue}\" --config .eslintrc.base.js --format json",
     "test:lint-rules": "eslint index.js --config test-config/.eslintrc.js --format json",
     "test:jest": "jest",
-    "test:cli-sanity": "eslint --print-config . | node ./bin/cli.js",
+    "test:cli-sanity": "eslint --print-config index.js | node ./bin/cli.js",
     "test:cli-sanity-warning": "eslint --print-config ./bin/cli.js | node ./bin/cli.js",
     "test": "npm run test:lint && npm run test:jest && npm run test:cli-sanity && npm run test:cli-sanity-warning"
   },
@@ -43,7 +43,7 @@
     "babel-eslint": "10.0.2",
     "cross-spawn": "6.0.5",
     "doctoc": "1.4.0",
-    "eslint": "5.16.0",
+    "eslint": "6.0.1",
     "eslint-config-google": "0.13.0",
     "eslint-plugin-babel": "5.3.0",
     "eslint-plugin-flowtype": "3.11.1",