.eslintrc.json

{
  "env": {
    "browser": true,
    "node": true,
    "es6": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "rules": {
    "arrow-spacing": "error",
    "block-spacing": ["error", "always"],
    "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
    "camelcase": ["error", { "properties": "never" }],
    "comma-dangle": ["error", {
      "arrays": "always-multiline",
      "objects": "always-multiline",
      "imports": "never",
      "exports": "never",
      "functions": "never"
    }],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "comma-style": ["error", "last"],
    "dot-location": ["error", "property"],
    "eqeqeq": "error",
    "eol-last": "error",
    "func-call-spacing": ["error", "never"],
    "indent": ["error", 4, {
      "SwitchCase": 1,
      "ignoredNodes": ["TemplateLiteral *"]
    }],
    "keyword-spacing": "error",
    "key-spacing": ["error", { "beforeColon": false, "afterColon": true }],
    "linebreak-style": ["error", "unix"],
    "no-array-constructor": "error",
    "no-empty": ["error", { "allowEmptyCatch": true }],
    "no-console": "warn",
    "no-const-assign": "error",
    "no-duplicate-imports": "error",
    "no-debugger": "error",
    "no-invalid-regexp": "error",
    "no-multi-spaces": "error",
    "no-redeclare": ["error", { "builtinGlobals": false }],
    "no-unneeded-ternary": "error",
    "no-whitespace-before-property": "error",
    "padded-blocks": ["error", "never"],
    "quotes": ["error", "single", { "allowTemplateLiterals": true }],
    "rest-spread-spacing": ["error", "never"],
    "semi": ["error", "always"],
    "semi-spacing": ["error", { "before": false, "after": true }],
    "space-infix-ops": ["error", { "int32Hint": false }],
    "space-before-function-paren": ["error", "never"],
    "space-before-blocks": ["error", "always"],
    "space-in-parens": ["error", "never"],
    "spaced-comment": "error",
    "template-curly-spacing": ["error", "never"]
  }
}