.eslintrc

{
  "parserOptions": {
    sourceType: "module",
    ecmaVersion: 2017,
    ecmaFeatures: {
        experimentalObjectRestSpread: true,
    }
  },
  "plugins": [
    "prettier"
  ],
  "env": {
    "browser": false,
    "node": true,
    "es6": true
  },
  "globals" : {
    "__ENV": true,
    "analytics": true,
    "jest": true,
    "expect": true,
    "test": true,
    "beforeAll": true,
    "afterAll": true,
    "describe": true,
  },
  "extends": "eslint:recommended",
  "rules": {
    "prettier/prettier": "error",
    "array-bracket-spacing": 2,
    "brace-style": [2, "1tbs", {"allowSingleLine": true}],
    "camelcase": 2,
    "comma-dangle": 0,
    "comma-spacing": [2, {"before": false, "after": true}],
    "comma-style": [2, "last"],
    "computed-property-spacing": 2,
    "consistent-this": [2, "self"],
    "curly": [2, "all"],
    "eol-last": 2,
    "eqeqeq": [2, "allow-null"],
    "guard-for-in": 0,
    "generator-star-spacing": ["error", {"before": false, "after": true}],
    "indent": [2, 2, {
      "SwitchCase": 1
    }],
    "key-spacing": 0,
    "new-cap": [2, {"capIsNew": false, "newIsCap": true}],
    "new-parens": 0,
    "no-bitwise": 0,
    "no-cond-assign": 2,
    "no-console": 0,
    "no-constant-condition": 2,
    "no-debugger": 2,
    "no-delete-var": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-empty-character-class": 2,
    "no-eval": 2,
    "no-ex-assign": 2,
    "no-extend-native": 2,
    "no-extra-parens": 0,
    "no-floating-decimal": 2,
    "no-func-assign": 2,
    "no-implied-eval": 2,
    "no-inner-declarations": 2,
    "no-invalid-regexp": 2,
    "no-irregular-whitespace": 2,
    "no-iterator": 2,
    "no-labels": 0,
    "no-lonely-if": 2,
    "no-loop-func": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-native-reassign": 2,
    "no-negated-in-lhs": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-new-wrappers": 2,
    "no-obj-calls": 2,
    "no-octal": 2,
    "no-plusplus": 0,
    "no-proto": 2,
    "no-param-reassign": [2, {"props": false}],
    "no-redeclare": 2,
    "no-return-assign": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-shadow": 0,
    "no-spaced-func": 2,
    "no-sparse-arrays": 2,
    "no-throw-literal": 2,
    "no-trailing-spaces": [2, { "skipBlankLines": true }],
    "no-undef": 2,
    "no-undef-init": 2,
    "no-undefined": 0,
    "no-underscore-dangle": 0,
    "no-unreachable": 2,
    "no-unused-vars": [2, {"vars": "all", "args": "none"}],
    "no-use-before-define": [2, "nofunc"],
    "no-var": 2,
    "no-warning-comments": [1, {
        "terms": ["todo bc", "todo restuta bc"]
      }],
    "operator-linebreak": [0, "before"],
    "max-len":[2, 90, 4, {"ignoreComments": true, "ignoreUrls": true}],
    "quote-props": [2, "as-needed", {"keywords": true, "unnecessary": false}],
    "quotes": [2, "single", "avoid-escape"],
    "radix": 2,
    "semi": [2, "never"],
    "semi-spacing": [2, {"before": false, "after": true}],
    "no-extra-semi": 2,
    "keyword-spacing": [2],
    "space-before-blocks": [2, "always"],
    "space-before-function-paren": ["error", {
      "anonymous": "never",
      "named": "never",
      "asyncArrow": "always"
    }],
    "space-in-parens": [2, "never"],
    "space-infix-ops": 2,
    "space-unary-ops": [2, {"words": true, "nonwords": false}],
    "strict": [0, "never"],
    "use-isnan": 2,
    "valid-typeof": 2,
    "wrap-iife": [2, "inside"],
    "yoda": 0,
    // Node.js specific
    "handle-callback-err": [2, "^(err|error)$"],
    "no-mixed-requires": 2,
    "no-new-require": 2,
    "no-path-concat": 2,
  }
}