.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true
  },
  "extends": [
    "eslint:recommended"
  ],
  "ignorePatterns": [
    ".vscode",
    "deno",
    "lib",
    "node_modules"
  ],
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2020
  },
  "rules": {
    "eol-last": "error",
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "no-trailing-spaces": "error",
    "no-var": "error",
    "prefer-const": "error",
    "quote-props": ["error", "consistent"],
    "quotes": ["error", "single", { "avoidEscape": true, "allowTemplateLiterals": true }],
    "semi": ["error", "always"]
  },
  "overrides": [
    {
      "files": ["**/*.ts"],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "project": ["./tsconfig.eslint.json"],
        "sourceType": "module",
        "ecmaVersion": 2020
      },
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
      ],
      "plugins": [
        "@typescript-eslint",
        "eslint-plugin-tsdoc"
      ],
      "rules": {
        "tsdoc/syntax": "error",
        "indent": "off",
        "@typescript-eslint/indent": ["error", 2, { "SwitchCase": 1 }]
      }
    },
    {
      "files": ["*.json", "*.json5", "*.jsonc"],
      "parser": "jsonc-eslint-parser",
      "plugins": [
        "jsonc"
      ],
      "extends": [
        "eslint:recommended",
        "plugin:jsonc/auto-config",
        "plugin:jsonc/recommended-with-jsonc"
      ]
    }
  ]
}