.eslintrc.json

{
  "extends": "eslint:recommended",
  "env": {
    "node": true,
    "es6": true
  },
  "parserOptions": {
    "ecmaVersion": 2018
  },
  "rules": {
    "semi": ["error", "always"],

    "comma-style": ["error", "last"],

    "comma-dangle": [
      "error",
      {
        "arrays": "always-multiline",
        "objects": "only-multiline",
        "imports": "only-multiline",
        "exports": "only-multiline",
        "functions": "only-multiline"
      }
    ],

    "no-console": ["warn"],

    "no-var": ["error"],

    "prefer-const": [
      "error",
      {
        "destructuring": "any",
        "ignoreReadBeforeAssign": true
      }
    ],

    "prefer-destructuring": [
      "error",
      {
        "VariableDeclarator": {
          "array": false,
          "object": true
        },
        "AssignmentExpression": {
          "array": true,
          "object": true
        }
      },
      {
        "enforceForRenamedProperties": false
      }
    ],

    "prefer-template": ["error"],

    "rest-spread-spacing": ["error", "never"],

    "no-mixed-spaces-and-tabs": "error",

    "no-trailing-spaces": [
      "error", {
      "skipBlankLines": false,
      "ignoreComments": false
    }],

    "space-before-blocks": "error",

    "space-before-function-paren": ["error",
      {
      "anonymous": "always",
        "named": "never",
        "asyncArrow": "always"
    }],

    "object-curly-spacing": [
      "error", "always"
    ],

    "newline-before-return": "off"
  }
}