⬆️ Upgrade to eslint 5.0.1

- Remove deprecated experimentalObjectRestSpread flag in favor of ecmaVersion 2018
- Disable new `max-classes-per-file` rule
- Disable new `max-lines-per-function` rule
- Enable new `prefer-object-spread` rule as a warning

README.md

@@ -131,7 +131,7 @@ That way, the `prettier` configurations will override any `zeal` configurations
 
 This plugin contains all of the rules available in:
 
-- [ESLint](http://eslint.org/): 4.19.1
+- [ESLint](http://eslint.org/): 5.0.1
 - [eslint-plugin-react](https://github.com/yannickcr/eslint-plugin-react): 7.10.0
 - [eslint-plugin-react-native](https://github.com/intellicode/eslint-plugin-react-native): 3.2.1
 - [eslint-plugin-import](https://github.com/benmosher/eslint-plugin-import): 2.13.0

index.js

@@ -7,10 +7,7 @@ module.exports = {
   globals: {},
   parser: "babel-eslint",
   parserOptions: {
-    ecmaFeatures: {
-      experimentalObjectRestSpread: true
-    },
-    ecmaVersion: 2017,
+    ecmaVersion: 2018,
     sourceType: "module"
   },
   plugins: ["import"],
@@ -119,6 +116,8 @@ module.exports = {
     eqeqeq: "warn",
     // make sure for-in loops have an if statement
     "guard-for-in": "warn",
+    // enforce a maximum number of classes per file
+    "max-classes-per-file": "off",
     // disallow the use of alert, confirm, and prompt
     "no-alert": "warn",
     // disallow use of arguments.caller or arguments.callee
@@ -388,6 +387,8 @@ module.exports = {
     "max-len": ["warn", 80, 2],
     // enforce a maximum file length
     "max-lines": "off",
+    // enforce a maximum function length
+    "max-lines-per-function": "off",
     // specify the maximum depth callbacks can be nested
     "max-nested-callbacks": ["warn", 3],
     // limits the number of parameters that can be used in the function
@@ -489,6 +490,8 @@ module.exports = {
       { blankLine: "always", prev: "directive", next: "*" },
       { blankLine: "any", prev: "directive", next: "directive" }
     ],
+    // Prefer use of an object spread over Object.assign
+    "prefer-object-spread": "warn",
     // require quotes around object literal property names
     "quote-props": ["warn", "as-needed"],
     // specify whether backticks, double or single quotes should be used

package.json

@@ -45,7 +45,7 @@
   ],
   "devDependencies": {
     "babel-eslint": "^8.2.5",
-    "eslint": "4.19.1",
+    "eslint": "5.0.1",
     "eslint-config-prettier": "^2.9.0",
     "eslint-find-rules": "^3.3.1",
     "eslint-plugin-import": "2.13.0",
@@ -59,7 +59,7 @@
   },
   "peerDependencies": {
     "babel-eslint": ">=8.2.2",
-    "eslint": ">=4.19.1",
+    "eslint": ">=5.0.1",
     "eslint-plugin-import": ">=2.13.0"
   },
   "lint-staged": {