.eslintrc.json

{
    "env": {
      "node": true,
      "commonjs": true,
      "es2021": true,
      "jest/globals": true
    },
    "root": true,
    "plugins": [
      "import",
      "prettier",
      "jest"
    ],
    "extends": [
      "standard",
      "eslint:recommended",
      "prettier"
    ],
    "rules": {
      "arrow-parens": [
        "error",
        "as-needed"
      ],
      "import/no-extraneous-dependencies": [
        "error",
        {
          "devDependencies": true
        }
      ],
      "max-len": [
        "error",
        {
          "code": 80,
          "ignoreComments": true,
          "ignoreRegExpLiterals": true,
          "ignoreTemplateLiterals": true,
          "ignoreTrailingComments": true,
          "ignoreStrings": true,
          "ignoreUrls": true
        }
      ],
      "newline-before-return": "error",
      "object-curly-spacing": [
        "error",
        "always"
      ],
      "object-shorthand": [
        "error",
        "always"
      ],
      "prefer-const": "error",
      "prettier/prettier": [
        "error",
        {
          "arrowParens": "avoid",
          "bracketSpacing": true,
          "printWidth": 80,
          "quoteProps": "as-needed",
          "semi": false,
          "singleQuote": true,
          "tabWidth": 2,
          "trailingComma": "none"
        }
      ],
      "radix": [
        "error",
        "as-needed"
      ],
      "spaced-comment": [
        "error",
        "always"
      ],
      "curly": [
        "error",
        "multi"
      ]
    }
  }