.eslintrc.json

{
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "browser": true
  },
  "extends": "react-app",
  "plugins": [
    "babel",
    "react"
  ],
  "rules": {
    "babel/no-invalid-this": 1,
    "babel/semi": 1,
    "react/prop-types": 0,

    "array-bracket-newline": ["warn", { "multiline": true }],
    "array-bracket-spacing": ["warn", "always"],
    "array-element-newline": ["warn", "always"],
    "arrow-body-style": ["warn", "always"],
    "arrow-parens": ["warn", "always"],
    "comma-dangle": ["warn", "always-multiline"],
    "computed-property-spacing": ["warn", "always"],
    "curly": ["warn", "all"],
    "eol-last": ["warn", "always"],
    "func-style": ["warn", "expression"],
    "indent": ["warn", 2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }],
    "key-spacing": ["warn", { "align": "value" }],
    "keyword-spacing": ["warn", { "before": true, "after": true }],
    "max-statements-per-line": ["warn", { "max": 1 }],
    "object-curly-newline": ["warn", { "multiline": true }],
    "object-curly-spacing": ["warn", "always", { "arraysInObjects": false, "objectsInObjects": false }],
    "object-property-newline": ["warn", { "allowAllPropertiesOnSameLine": true }],
    "quotes": ["warn", "single", { "allowTemplateLiterals": true }],
    "react/jsx-closing-bracket-location": ["warn", "after-props"],
    "react/jsx-closing-tag-location": ["warn"],
    "react/jsx-curly-spacing": ["warn", "always", { "spacing": { "objectLiterals": "never" }}],
    "react/jsx-first-prop-new-line": ["warn", "multiline-multiprop"],
    "react/jsx-indent": ["warn", 2],
    "react/jsx-indent-props": ["warn", 2],
    "react/jsx-max-props-per-line": ["warn", { "maximum": 1 }],
    "react/jsx-tag-spacing": ["warn"],
    "react/self-closing-comp": "warn",
    "space-in-parens": ["warn", "never"],
    "space-infix-ops": ["warn"],
    "no-var": ["warn"]
  }
}