.eslintrc

{
  "parser": "babel-eslint",
  "plugins": [
  ],
  "extends": [
  ],
  "env": {
    "browser": true,
    "jest": true
  },
  "rules": {
    "prefer-const": 1,
    "space-infix-ops": ["error", {"int32Hint": false}],
    "no-unused-expressions": "error",
    "no-trailing-spaces": "error",
    "no-nested-ternary": "error",
    "indent": ["warn", 2],
    "arrow-spacing": ["error", { "before": true, "after": true }],
    "space-in-parens": [ 0, "never" ],
    "template-curly-spacing": [ 2, "always" ],
    "array-bracket-spacing": [ 2, "always" ],
    "object-curly-spacing": [ 2, "always" ],
    "computed-property-spacing": [ 2, "never" ],
    "no-multiple-empty-lines": [ 2, { "max": 1, "maxEOF": 0, "maxBOF": 0 } ],
    "quotes": [ 1, "single", "avoid-escape" ],
    "no-use-before-define": [ 2, { "functions": false } ],
    "semi": [1, "always"],
    "class-methods-use-this": [ 1 ],
    "no-console": 0,
    "no-undef": [ 1 ],
    "no-case-declarations": [ 1 ],
    "no-return-assign": [ 1 ],
    "no-param-reassign": [ 1 ],
    "no-shadow": [ 1 ],
    "camelcase": [ 1 ],
    "no-underscore-dangle" : [0, "always"],
    "keyword-spacing": ["error", { "before": true, "after": true }],
    "key-spacing": ["error", { "afterColon": true }],
    "newline-before-return": "error",
    "space-before-blocks": "error",
    "no-unused-vars": "error",
    "no-multi-spaces": "warn",
    "comma-spacing": ["error", { "before": false, "after": true }],
    "prefer-destructuring": ["error", {
      "VariableDeclarator": {
        "array": false,
        "object": false
      }
    }]
  }
}