.eslintrc

{
  "env": {
    "node": true,
    "jest": true
  },
  "extends": "standard",
  "plugins": ["jest"],
  "rules": {
    "array-bracket-spacing": [2, "never"],
    "arrow-body-style": 0,
    "arrow-parens": [2, "as-needed"],
    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
    "class-methods-use-this": 0,
    "comma-dangle": [2, {
      "arrays": "never",
      "objects": "never",
      "imports": "never",
      "exports": "never",
      "functions": "never"
    }],
    "curly": [2, "multi-line", "consistent"],
    "global-require": 2,
    "jest/no-disabled-tests": 1,
    "jest/no-focused-tests": 2,
    "jest/no-identical-title": 2,
    "jest/prefer-to-have-length": 1,
    "jest/valid-expect": 2,
    "max-len": [2, {
      "code": 100,
      "tabWidth": 2,
      "ignoreComments": true,
      "ignoreTrailingComments": true,
      "ignoreStrings": false,
      "ignoreRegExpLiterals": true
    }],
    "newline-before-return": 0,
    "no-confusing-arrow": [2, { "allowParens": true }],
    "no-multiple-empty-lines": 2,
    "no-nested-ternary": 0,
    "no-return-assign": 2,
    "no-underscore-dangle": 0,
    "no-unused-vars": [2, {
      "vars": "all",
      "args": "after-used",
      "varsIgnorePattern": "React"
    }],
    "no-useless-escape": 2,
    "object-curly-spacing": [2, "always"],
    "operator-linebreak": ["error", "before"],
    "prefer-arrow-callback": 2,
    "prefer-const": [2, {
      "destructuring": "all"
    }],
    "semi": [2, "never"]
  }
}