.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "root": true,
  "extends": ["standard"],
  "parser": "@typescript-eslint/parser",
  "ignorePatterns": ["*.js"],
  "parserOptions": {
    "ecmaVersion": 12,
    "sourceType": "module",
    "project": [
      "./packages/*/tsconfig.json",
      "./examples/*/tsconfig.json",
      "tsconfig.json"
    ]
  },
  "plugins": [
    "@typescript-eslint",
    "unused-imports",
    "@foxglove",
    "unicorn",
    "custom-elements"
  ],
  "rules": {
    "semi": ["error", "always"],
    "no-console": "error",
    "max-params": [
      "error",
      {
        "max": 4
      }
    ],
    "no-return-assign": "off",
    "no-redeclare": "off",
    "valid-typeof": "off",
    "no-undef": "off",
    "comma-dangle": [2, "always-multiline"],
    "no-use-before-define": "off",
    "no-useless-constructor": "off",
    "max-lines": ["error", 200],
    "max-classes-per-file": ["error", 1],
    "class-methods-use-this": "error",
    "complexity": ["error", 4],
    "max-statements-per-line": ["error", { "max": 1 }],
    "max-statements": ["error", { "max": 6 }],
    "@foxglove/no-boolean-parameters": "error",
    "no-return-await": "error",
    "custom-elements/file-name-matches-element": [
      "error",
      { "transform": ["kebab"], "matchDirectory": true }
    ],
    "unicorn/no-null": "error",
    "no-warning-comments": "error",
    "no-inline-comments": "error",
    "camelcase": "error",
    "@typescript-eslint/no-use-before-define": "error",
    // "@typescript-eslint/explicit-member-accessibility": "error",
    "@typescript-eslint/no-redeclare": "error",
    "@typescript-eslint/no-useless-constructor": "error",
    "unused-imports/no-unused-imports": "error",
    "unused-imports/no-unused-vars": [
      "warn",
      {
        "vars": "all",
        "varsIgnorePattern": "^_",
        "args": "after-used",
        "argsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/consistent-type-imports": "error",
    "@typescript-eslint/member-delimiter-style": [
      "error",
      {
        "multiline": {
          "delimiter": "comma", // 'none' or 'semi' or 'comma'
          "requireLast": true
        },
        "singleline": {
          "delimiter": "semi", // 'semi' or 'comma'
          "requireLast": false
        }
      }
    ],
    "@typescript-eslint/member-ordering": "error"
  }
}