.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "node": true
  },
  "extends": [
    "eslint:recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2021,
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint",
    "@nx"
  ],
  "ignorePatterns": [
    "dist/**/*"
  ],
  "rules": {
    // eslint
    //--------------------------------------------------

    "array-callback-return": [
      "error",
      {
        "allowImplicit": false,
        "checkForEach": true,
        "allowVoid": false
      }
    ],
    "constructor-super": "error",
    "for-direction": "error",
    "getter-return": [
      "error",
      {
        "allowImplicit": false
      }
    ],
    "no-async-promise-executor": "error",
    "no-await-in-loop": "error",
    "no-class-assign": "error",
    "no-compare-neg-zero": "error",
    "no-cond-assign": [
      "error",
      "always"
    ],
    "no-const-assign": "error",
    "no-constant-binary-expression": "error",
    "no-constant-condition": [
      "error",
      {
        "checkLoops": true
      }
    ],
    "no-constructor-return": "error",
    "no-control-regex": "error",
    "no-debugger": "error",
    "no-dupe-class-members": "error",
    "no-dupe-else-if": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-empty-character-class": "error",
    "no-empty-pattern": [
      "error",
      {
        "allowObjectPatternsAsParameters": false
      }
    ],
    "no-ex-assign": "error",
    "no-fallthrough": [
      "error",
      {
        "commentPattern": "^`break` omitted.$",
        "allowEmptyCase": false
      }
    ],
    "no-func-assign": "error",
    "no-import-assign": "error",
    "no-inner-declarations": [
      "error",
      "both"
    ],
    "no-invalid-regexp": [
      "error",
      {
        "allowConstructorFlags": [
          "u",
          "y"
        ]
      }
    ],
    "no-irregular-whitespace": [
      "error",
      {
        "skipStrings": false,
        "skipComments": false,
        "skipRegExps": false,
        "skipTemplates": false,
        "skipJSXText": false
      }
    ],
    "no-loss-of-precision": "error",
    "no-misleading-character-class": "error",
    "no-new-native-nonconstructor": "error",
    "no-new-symbol": "error",
    "no-obj-calls": "error",
    "no-promise-executor-return": [
      "error",
      {
        "allowVoid": false
      }
    ],
    "no-prototype-builtins": "error",
    "no-self-assign": [
      "error",
      {
        "props": true
      }
    ],
    "no-self-compare": "error",
    "no-setter-return": "error",
    "no-sparse-arrays": "error",
    "no-template-curly-in-string": "error",
    "no-this-before-super": "error",
    "no-undef": [
      "error",
      {
        "typeof": true
      }
    ],
    "no-unexpected-multiline": "error",
    "no-unmodified-loop-condition": "error",
    "no-unreachable": "error",
    "no-unreachable-loop": [
      "error",
      {
        "ignore": []
      }
    ],
    "no-unsafe-finally": "error",
    "no-unsafe-negation": [
      "error",
      {
        "enforceForOrderingRelations": true
      }
    ],
    "no-unsafe-optional-chaining": [
      "error",
      {
        "disallowArithmeticOperators": true
      }
    ],
    "no-unused-private-class-members": "error",
    "no-unused-vars": [
      "error",
      {
        "vars": "all",
        "varsIgnorePattern": "^_",
        "args": "all",
        "argsIgnorePattern": "^_",
        "caughtErrors": "all",
        "caughtErrorsIgnorePattern": "^_",
        "destructuredArrayIgnorePattern": "^_",
        "ignoreRestSiblings": false
      }
    ],
    "no-use-before-define": [
      "error",
      {
        "functions": true,
        "classes": true,
        "variables": true,
        "allowNamedExports": false
      }
    ],
    "no-useless-backreference": "error",
    "require-atomic-updates": [
      "error",
      {
        "allowProperties": false
      }
    ],
    "use-isnan": [
      "error",
      {
        "enforceForSwitchCase": true,
        "enforceForIndexOf": true
      }
    ],
    "valid-typeof": "error",
    "accessor-pairs": [
      "error",
      {
        "setWithoutGet": true,
        "getWithoutSet": false,
        "enforceForClassMembers": true
      }
    ],
    "arrow-body-style": [
      "error",
      "as-needed",
      {
        "requireReturnForObjectLiteral": false
      }
    ],
    "block-scoped-var": "error",
    "camelcase": [
      "error",
      {
        "properties": "always",
        "ignoreDestructuring": false,
        "ignoreImports": false,
        "ignoreGlobals": false,
        "allow": []
      }
    ],
    "capitalized-comments": [
      "warn",
      "always",
      {
        "ignorePattern": "^ noinspection",
        "ignoreInlineComments": false,
        "ignoreConsecutiveComments": true
      }
    ],
    "class-methods-use-this": "off",
    "complexity": [
      "error",
      {
        "max": 10
      }
    ],
    "consistent-return": [
      "error",
      {
        "treatUndefinedAsUnspecified": false
      }
    ],
    "consistent-this": "error",
    "curly": [
      "error",
      "all"
    ],
    "default-case": [
      "error",
      {
        "commentPattern": "^`default` omitted.$"
      }
    ],
    "default-case-last": "error",
    "default-param-last": "error",
    //    "dot-notation": [
    //      "error",
    //      {
    //        "allowKeywords": true,
    //        "allowPattern": ""
    //      }
    //    ],
    "eqeqeq": [
      "error",
      "always",
      {
        "null": "always"
      }
    ],
    "func-name-matching": [
      "error",
      "always",
      {
        "considerPropertyDescriptor": true,
        "includeCommonJSModuleExports": false
      }
    ],
    "func-names": "off",
    "func-style": [
      "error",
      "expression",
      {
        "allowArrowFunctions": true
      }
    ],
    "grouped-accessor-pairs": [
      "error",
      "getBeforeSet"
    ],
    "guard-for-in": "error",
    "id-denylist": [
      "error",
      "string",
      "String",
      "number",
      "Number",
      "bigint",
      "BigInt",
      "boolean",
      "Boolean",
      "undefined",
      "Undefined",
      "null",
      "Null",
      "symbol",
      "Symbol",
      "object",
      "Object",
      "function",
      "Function",
      "Date"
    ],
    "id-length": [
      "error",
      {
        "min": 2,
        "max": 40,
        "properties": "always",
        "exceptions": [
          "i",
          "j",
          "k",
          "x",
          "y",
          "z",
          "_",
          "$",
          "e"
        ],
        "exceptionPatterns": []
      }
    ],
    "id-match": [
      "error",
      "^[a-z]+([A-Z][a-z]+)*$",
      {
        "properties": true,
        "classFields": true,
        "onlyDeclarations": false,
        "ignoreDestructuring": false
      }
    ],
    "init-declarations": [
      "error",
      "always"
    ],
    "logical-assignment-operators": [
      "error",
      "always",
      {
        "enforceForIfStatements": true
      }
    ]
    // TODO: Finish.
  },
  "overrides": [
    {
      "files": [
        "*.ts",
        "*.tsx"
      ],
      "excludedFiles": ["dist/**/*"],
      "extends": [
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/strict-type-checked"
      ],
      "parserOptions": {
        "project": "./tsconfig.eslint.json"
      },
      "rules": {
        "id-denylist": [
          "error",
          "string",
          "String",
          "number",
          "Number",
          "bigint",
          "BigInt",
          "boolean",
          "Boolean",
          "undefined",
          "Undefined",
          "null",
          "Null",
          "symbol",
          "Symbol",
          "object",
          "Object",
          "function",
          "Function",
          "Date",
          "any",
          "unknown",
          "never",
          "void",
          "true",
          "false"
        ],
        // TODO: Customize.
        "id-match": "off",
        "@typescript-eslint/consistent-type-assertions": [
          "error",
          {
            "assertionStyle": "as"
            //            "objectLiteralTypeAssertions": "allow-as-parameter"
          }
        ],
        "@typescript-eslint/consistent-type-definitions": [
          "error",
          "type"
        ],
        "@typescript-eslint/consistent-type-exports": [
          "error",
          {
            "fixMixedExportsWithInlineTypeSpecifier": false
          }
        ],
        "@typescript-eslint/consistent-type-imports": [
          "error",
          {
            "disallowTypeAnnotations": true,
            "fixStyle": "separate-type-imports",
            "prefer": "type-imports"
          }
        ],
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-namespace": "off",
        "@typescript-eslint/no-non-null-assertion": "off",
        "@typescript-eslint/no-redundant-type-constituents": "warn",
        "@typescript-eslint/no-unsafe-argument": "warn",
        "@typescript-eslint/no-unsafe-assignment": "warn",
        "@typescript-eslint/no-unsafe-call": "warn",
        "@typescript-eslint/no-unsafe-member-access": "warn",
        "@typescript-eslint/no-unsafe-return": "warn",
        "no-unused-vars": "off",
        "@typescript-eslint/no-unused-vars": [
          "error",
          {
            "argsIgnorePattern": "^_",
            "varsIgnorePattern": "^_"
          }
        ],
        "@typescript-eslint/unbound-method": "off"
      }
    },
    {
      "files": ["{package,project}.json"],
      "parser": "jsonc-eslint-parser",
      "rules": {
        "@nx/dependency-checks": [
          "error",
          {
            // TODO: Why?
            "ignoredDependencies": [
              "@testing-library/jest-dom",
              "@babel/types"
            ]
          }
        ]
      }
    }
  ]
}