add: eslint and editorconfig

Author: rafaeldo

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.eslintrc

@@ -0,0 +1,19 @@
+{
+  "parser": "babel-eslint",
+  "extends": "airbnb",
+  "env": {
+    "browser": true,
+    "jest": true
+  },
+  "plugins": ["react", "jsx-a11y", "import"],
+  "rules": {
+    "react/jsx-filename-extension": [
+      "error",
+      {
+        "extensions": [".js", ".jsx"]
+      }
+    ],
+    "global-require": "off",
+    "import/prefer-default-export": "off"
+  }
+}

package.json

@@ -21,5 +21,11 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "devDependencies": {
+    "eslint-config-airbnb": "^17.1.0",
+    "eslint-plugin-import": "^2.16.0",
+    "eslint-plugin-jsx-a11y": "^6.2.1",
+    "eslint-plugin-react": "^7.12.4"
+  }
 }

src/App.js

@@ -1,13 +1,9 @@
-import React, { Component } from 'react';
+import React from 'react';
 
-class App extends Component {
-  render() {
-    return (
-      <div className="App">
-        <h1>Hello World</h1>
-      </div>
-    );
-  }
-}
+const App = () => (
+  <div className="App">
+    <h1>Hello World</h1>
+  </div>
+);
 
 export default App;

yarn.lock

@@ -1655,7 +1655,7 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
   integrity sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==
 
-axobject-query@^2.0.1:
+axobject-query@^2.0.1, axobject-query@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/axobject-query/-/axobject-query-2.0.2.tgz#ea187abe5b9002b377f925d8bf7d1c561adf38f9"
   integrity sha512-MCeek8ZH7hKyO1rWUbKNQBbl4l2eY0ntk7OGi+q0RlafrCnfPxC06WZA+uebCfmYp4mNU9jRBP1AhGyf8+W3ww==
@@ -3467,7 +3467,7 @@ emoji-regex@^6.5.1:
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-6.5.1.tgz#9baea929b155565c11ea41c6626eaa65cef992c2"
   integrity sha512-PAHp6TxrCy7MGMFidro8uikr+zlJJKJ/Q6mm2ExZ7HwkyR9lSVFfE3kt36qcwa24BQL7y0G9axycGjK1A/0uNQ==
 
-emoji-regex@^7.0.1:
+emoji-regex@^7.0.1, emoji-regex@^7.0.2:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
   integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
@@ -3571,14 +3571,32 @@ escodegen@^1.9.1:
   optionalDependencies:
     source-map "~0.6.1"
 
+eslint-config-airbnb-base@^13.1.0:
+  version "13.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-airbnb-base/-/eslint-config-airbnb-base-13.1.0.tgz#b5a1b480b80dfad16433d6c4ad84e6605052c05c"
+  integrity sha512-XWwQtf3U3zIoKO1BbHh6aUhJZQweOwSt4c2JrPDg9FP3Ltv3+YfEv7jIDB8275tVnO/qOHbfuYg3kzw6Je7uWw==
+  dependencies:
+    eslint-restricted-globals "^0.1.1"
+    object.assign "^4.1.0"
+    object.entries "^1.0.4"
+
+eslint-config-airbnb@^17.1.0:
+  version "17.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-airbnb/-/eslint-config-airbnb-17.1.0.tgz#3964ed4bc198240315ff52030bf8636f42bc4732"
+  integrity sha512-R9jw28hFfEQnpPau01NO5K/JWMGLi6aymiF6RsnMURjTk+MqZKllCqGK/0tOvHkPi/NWSSOU2Ced/GX++YxLnw==
+  dependencies:
+    eslint-config-airbnb-base "^13.1.0"
+    object.assign "^4.1.0"
+    object.entries "^1.0.4"
+
 eslint-config-react-app@^3.0.8:
   version "3.0.8"
   resolved "https://registry.yarnpkg.com/eslint-config-react-app/-/eslint-config-react-app-3.0.8.tgz#6f606828ba30bafee7d744c41cd07a3fea8f3035"
   integrity sha512-Ovi6Bva67OjXrom9Y/SLJRkrGqKhMAL0XCH8BizPhjEVEhYczl2ZKiNZI2CuqO5/CJwAfMwRXAVGY0KToWr1aA==
   dependencies:
     confusing-browser-globals "^1.0.6"
 
-eslint-import-resolver-node@^0.3.1:
+eslint-import-resolver-node@^0.3.1, eslint-import-resolver-node@^0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.2.tgz#58f15fb839b8d0576ca980413476aab2472db66a"
   integrity sha512-sfmTqJfPSizWu4aymbPr4Iidp5yKm8yDkHp+Ir3YiTHiiDfxh69mOUsmiqW6RZ9zRXFaF64GtYmN7e+8GHBv6Q==
@@ -3605,6 +3623,14 @@ eslint-module-utils@^2.2.0:
     debug "^2.6.8"
     pkg-dir "^1.0.0"
 
+eslint-module-utils@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/eslint-module-utils/-/eslint-module-utils-2.3.0.tgz#546178dab5e046c8b562bbb50705e2456d7bda49"
+  integrity sha512-lmDJgeOOjk8hObTysjqH7wyMi+nsHwwvfBykwfhjR1LNdd7C2uFJBvx4OpWYpXOw4df1yE1cDEVd1yLHitk34w==
+  dependencies:
+    debug "^2.6.8"
+    pkg-dir "^2.0.0"
+
 eslint-plugin-flowtype@2.50.1:
   version "2.50.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-2.50.1.tgz#36d4c961ac8b9e9e1dc091d3fba0537dad34ae8a"
@@ -3628,6 +3654,22 @@ eslint-plugin-import@2.14.0:
     read-pkg-up "^2.0.0"
     resolve "^1.6.0"
 
+eslint-plugin-import@^2.16.0:
+  version "2.16.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.16.0.tgz#97ac3e75d0791c4fac0e15ef388510217be7f66f"
+  integrity sha512-z6oqWlf1x5GkHIFgrSvtmudnqM6Q60KM4KvpWi5ubonMjycLjndvd5+8VAZIsTlHC03djdgJuyKG6XO577px6A==
+  dependencies:
+    contains-path "^0.1.0"
+    debug "^2.6.9"
+    doctrine "1.5.0"
+    eslint-import-resolver-node "^0.3.2"
+    eslint-module-utils "^2.3.0"
+    has "^1.0.3"
+    lodash "^4.17.11"
+    minimatch "^3.0.4"
+    read-pkg-up "^2.0.0"
+    resolve "^1.9.0"
+
 eslint-plugin-jsx-a11y@6.1.2:
   version "6.1.2"
   resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.1.2.tgz#69bca4890b36dcf0fe16dd2129d2d88b98f33f88"
@@ -3642,7 +3684,21 @@ eslint-plugin-jsx-a11y@6.1.2:
     has "^1.0.3"
     jsx-ast-utils "^2.0.1"
 
-eslint-plugin-react@7.12.4:
+eslint-plugin-jsx-a11y@^6.2.1:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.2.1.tgz#4ebba9f339b600ff415ae4166e3e2e008831cf0c"
+  integrity sha512-cjN2ObWrRz0TTw7vEcGQrx+YltMvZoOEx4hWU8eEERDnBIU00OTq7Vr+jA7DFKxiwLNv4tTh5Pq2GUNEa8b6+w==
+  dependencies:
+    aria-query "^3.0.0"
+    array-includes "^3.0.3"
+    ast-types-flow "^0.0.7"
+    axobject-query "^2.0.2"
+    damerau-levenshtein "^1.0.4"
+    emoji-regex "^7.0.2"
+    has "^1.0.3"
+    jsx-ast-utils "^2.0.1"
+
+eslint-plugin-react@7.12.4, eslint-plugin-react@^7.12.4:
   version "7.12.4"
   resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-7.12.4.tgz#b1ecf26479d61aee650da612e425c53a99f48c8c"
   integrity sha512-1puHJkXJY+oS1t467MjbqjvX53uQ05HXwjqDgdbGBqf5j9eeydI54G3KwiJmWciQ0HTBacIKw2jgwSBSH3yfgQ==
@@ -3655,6 +3711,11 @@ eslint-plugin-react@7.12.4:
     prop-types "^15.6.2"
     resolve "^1.9.0"
 
+eslint-restricted-globals@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-restricted-globals/-/eslint-restricted-globals-0.1.1.tgz#35f0d5cbc64c2e3ed62e93b4b1a7af05ba7ed4d7"
+  integrity sha1-NfDVy8ZMLj7WLpO0saevBbp+1Nc=
+
 eslint-scope@3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
@@ -6808,6 +6869,16 @@ object.assign@^4.1.0:
     has-symbols "^1.0.0"
     object-keys "^1.0.11"
 
+object.entries@^1.0.4:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/object.entries/-/object.entries-1.1.0.tgz#2024fc6d6ba246aee38bdb0ffd5cfbcf371b7519"
+  integrity sha512-l+H6EQ8qzGRxbkHOd5I/aHRhHDKoQXQ8g0BYt4uSweQU1/J6dZUOyWh9a2Vky35YCKjzmgxOzta2hH6kf9HuXA==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.12.0"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+
 object.fromentries@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/object.fromentries/-/object.fromentries-2.0.0.tgz#49a543d92151f8277b3ac9600f1e930b189d30ab"
@@ -8205,7 +8276,7 @@ react-dev-utils@^8.0.0:
     strip-ansi "5.0.0"
     text-table "0.2.0"
 
-react-dom@16.8.5:
+react-dom@^16.8.5:
   version "16.8.5"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.5.tgz#b3e37d152b49e07faaa8de41fdf562be3463335e"
   integrity sha512-VIEIvZLpFafsfu4kgmftP5L8j7P1f0YThfVTrANMhZUFMDOsA6e0kfR6wxw/8xxKs4NB59TZYbxNdPCDW34x4w==
@@ -8274,7 +8345,7 @@ react-scripts@2.1.8:
   optionalDependencies:
     fsevents "1.2.4"
 
-react@16.8.5:
+react@^16.8.5:
   version "16.8.5"
   resolved "https://registry.yarnpkg.com/react/-/react-16.8.5.tgz#49be3b655489d74504ad994016407e8a0445de66"
   integrity sha512-daCb9TD6FZGvJ3sg8da1tRAtIuw29PbKZW++NN4wqkbEvxL+bZpaaYb4xuftW/SpXmgacf1skXl/ddX6CdOlDw==