Added eslint

.eslintrc

@@ -0,0 +1,55 @@
+{
+    "extends": [
+        "eslint-config-airbnb",
+        "plugin:flowtype/recommended",
+        "plugin:jest/recommended"
+        
+    ],
+    "env": {
+        "browser": true,
+        "jest": true
+    },
+    "rules": {
+        "react/jsx-one-expression-per-line": 0,
+        "react/jsx-indent": [2, 4],
+        "react/jsx-indent-props": [2, 4],
+        "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"]}],
+        "indent": [2, 4, { "SwitchCase": 1 }],
+        "no-confusing-arrow": [2,{ "allowParens": true }],
+        "no-console": 0,
+        "no-alert": 0,
+        "no-prototype-builtins": 0,
+        "new-cap": 0,
+        "max-len": 0,
+        "eol-last": 0,
+        "spaced-comment": 0
+    },
+    "plugins": [
+        "react",
+        "import",
+        "jest",
+        "flowtype"
+    ],
+    "settings": {
+        "import/parser": "babel-eslint",
+        "import/resolver": {
+            "node": {
+                "moduleDirectory": [
+                    "src",
+                    "node_modules"
+                ]
+            }
+        },
+        "import/ignore": [
+            "\\.(scss|less|css)$"
+        ]
+    },
+    "parserOptions": {
+        "ecmaVersion": 7,
+        "sourceType": "module",
+        "ecmaFeatures": {
+            "jsx": true,
+            "experimentalObjectRestSpread": true
+        }
+    }
+}

package.json

@@ -18,7 +18,8 @@
         "dev": "webpack-dev-server --config ./webpack/config.dev.babel.js --mode development",
         "build": "rm -rf build && webpack --config ./webpack/config.prod.babel.js --progress",
         "flow": "flow check src/js",
-        "test": ""
+        "test": "",
+        "lint": "npx eslint ./"
     },
     "dependencies": {
         "color-hash": "^1.0.3",
@@ -49,6 +50,7 @@
     },
     "devDependencies": {
         "babel-cli": "^6.24.1",
+        "babel-eslint": "^8.2.6",
         "babel-loader": "7.1.4",
         "babel-plugin-root-import": "^5.1.0",
         "babel-plugin-transform-class-properties": "^6.24.1",
@@ -59,6 +61,13 @@
         "babel-preset-react": "^6.24.1",
         "copy-webpack-plugin": "4.5.1",
         "css-loader": "0.28.11",
+        "eslint": "^4",
+        "eslint-config-airbnb": "^17.0.0",
+        "eslint-plugin-flowtype": "^2.50.0",
+        "eslint-plugin-import": "^2.13.0",
+        "eslint-plugin-jest": "^21.18.0",
+        "eslint-plugin-jsx-a11y": "^6.1.1",
+        "eslint-plugin-react": "^7.10.0",
         "file-loader": "1.1.11",
         "flow-bin": "0.72.0",
         "html-webpack-plugin": "^3.2.0",