.eslintrc

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": ["./tsconfig.json"]
  },
  "plugins": ["@typescript-eslint", "sonarjs"],
  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended", "plugin:sonarjs/recommended"],
  "ignorePatterns": ["**/*.js", "**/*.d.ts", "**/*.test.ts", "**/*-test.ts", "tests/", "jest.config.ts", "knip.ts", "build", "./lib", "./dist"],
  "rules": {
    "prefer-arrow-callback": [
      "warn",
      {
        "allowNamedFunctions": true
      }
    ],
    "func-style": [
      "warn",
      "declaration",
      {
        "allowArrowFunctions": false
      }
    ],
    "@typescript-eslint/no-floating-promises": "error",
    "@typescript-eslint/no-non-null-assertion": "error",
    "constructor-super": "error",
    "no-invalid-this": "off",
    "@typescript-eslint/no-invalid-this": ["error"],
    "no-restricted-syntax": ["error", "ForInStatement"],
    "use-isnan": "error",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "args": "after-used",
        "ignoreRestSiblings": true,
        "vars": "all",
        "varsIgnorePattern": "^_",
        "argsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/no-misused-new": "error",
    "@typescript-eslint/restrict-plus-operands": "error",
    "sonarjs/no-all-duplicated-branches": "error",
    "sonarjs/no-collection-size-mischeck": "error",
    "sonarjs/no-duplicated-branches": "error",
    "sonarjs/no-element-overwrite": "error",
    "sonarjs/no-identical-conditions": "error",
    "sonarjs/no-identical-expressions": "error",
    "@typescript-eslint/naming-convention": [
      "error",
      {
        "selector": "interface",
        "format": ["PascalCase"],
        "custom": {
          "regex": "^I[A-Z]",
          "match": false
        }
      },
      {
        "selector": "memberLike",
        "modifiers": ["private"],
        "format": ["camelCase"],
        "leadingUnderscore": "require"
      },
      {
        "selector": "typeLike",
        "format": ["PascalCase"]
      },
      {
        "selector": "typeParameter",
        "format": ["PascalCase"],
        "prefix": ["T"]
      },
      {
        "selector": "variable",
        "format": ["camelCase", "UPPER_CASE"],
        "leadingUnderscore": "allow",
        "trailingUnderscore": "allow"
      },
      {
        "selector": "variable",
        "format": ["camelCase"],
        "leadingUnderscore": "allow",
        "trailingUnderscore": "allow"
      },
      {
        "selector": "variable",
        "modifiers": ["destructured"],
        "format": null
      },
      {
        "selector": "variable",
        "types": ["boolean"],
        "format": ["PascalCase"],
        "prefix": ["is", "should", "has", "can", "did", "will", "does"]
      },
      {
        "selector": "variableLike",
        "format": ["camelCase"]
      },
      {
        "selector": ["function", "variable"],
        "format": ["camelCase"]
      }
    ]
  }
}