eslint-config-conventions/.eslintrc.json

{
  "root": true,
  "plugins": ["import", "promise", "unicorn"],
  "env": {
    "browser": true,
    "node": true,
    "es2024": true
  },
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "rules": {
    "constructor-super": "error",
    "for-direction": "error",
    "getter-return": "error",
    "no-async-promise-executor": "error",
    "no-class-assign": "error",
    "no-compare-neg-zero": "error",
    "no-cond-assign": "error",
    "no-const-assign": "error",
    "no-constant-condition": "error",
    "no-constructor-return": "error",
    "no-control-regex": "error",
    "no-debugger": "error",
    "no-dupe-args": "error",
    "no-dupe-class-members": "error",
    "no-dupe-else-if": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-duplicate-imports": "error",
    "no-empty-character-class": "error",
    "no-empty-pattern": "error",
    "no-empty-static-block": "error",
    "no-ex-assign": "error",
    "no-fallthrough": "error",
    "no-func-assign": "error",
    "no-import-assign": "error",
    "no-invalid-regexp": "error",
    "no-irregular-whitespace": "error",
    "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",
    "no-prototype-builtins": "error",
    "no-self-assign": "error",
    "no-self-compare": "error",
    "no-setter-return": "error",
    "no-this-before-super": "error",
    "no-undef": "error",
    "no-unexpected-multiline": "error",
    "no-unmodified-loop-condition": "error",
    "no-unreachable": "error",
    "no-unreachable-loop": "error",
    "no-unsafe-finally": "error",
    "no-unsafe-negation": "error",
    "no-unsafe-optional-chaining": "error",
    "no-unused-private-class-members": "error",
    "no-unused-vars": ["error", { "varsIgnorePattern": "^_" }],
    "no-use-before-define": [
      "error",
      {
        "functions": false,
        "classes": false,
        "variables": false
      }
    ],
    "no-useless-backreference": "error",
    "use-isnan": [
      "error",
      {
        "enforceForSwitchCase": true,
        "enforceForIndexOf": true
      }
    ],
    "valid-typeof": ["error", { "requireStringLiterals": true }],

    "consistent-this": "error",
    "default-param-last": "error",
    "default-case-last": "error",
    "dot-notation": ["error", { "allowKeywords": true }],
    "eqeqeq": ["error", "always", { "null": "ignore" }],
    "grouped-accessor-pairs": "error",
    "new-cap": [
      "error",
      { "newIsCap": true, "capIsNew": false, "properties": true }
    ],
    "no-array-constructor": "error",
    "no-caller": "error",
    "no-confusing-arrow": "error",
    "no-delete-var": "error",
    "no-empty": ["error", { "allowEmptyCatch": true }],
    "no-eval": "error",
    "no-floating-decimal": "error",
    "no-global-assign": "error",
    "no-implied-eval": "error",
    "no-mixed-operators": [
      "error",
      {
        "groups": [
          ["==", "!=", "===", "!==", ">", ">=", "<", "<="],
          ["&&", "||"],
          ["in", "instanceof"]
        ],
        "allowSamePrecedence": true
      }
    ],
    "no-multi-str": "error",
    "no-new-func": "error",
    "no-new-object": "error",
    "no-octal": "error",
    "no-octal-escape": "error",
    "no-proto": "error",
    "no-redeclare": ["error", { "builtinGlobals": false }],
    "no-regex-spaces": "error",
    "no-shadow-restricted-names": "error",
    "no-throw-literal": "error",
    "no-undef-init": "error",
    "no-unused-expressions": [
      "error",
      {
        "allowShortCircuit": true,
        "allowTernary": true,
        "allowTaggedTemplates": true
      }
    ],
    "no-useless-call": "error",
    "no-useless-computed-key": "error",
    "no-useless-constructor": "error",
    "no-useless-escape": "error",
    "no-useless-rename": "error",
    "no-useless-return": "error",
    "no-var": "error",
    "no-void": "error",
    "no-with": "error",
    "object-shorthand": ["error", "properties"],
    "one-var": ["error", { "initialized": "never" }],
    "prefer-const": ["error", { "destructuring": "all" }],
    "prefer-object-has-own": "error",
    "prefer-promise-reject-errors": "error",
    "prefer-regex-literals": ["error", { "disallowRedundantWrapping": true }],
    "quote-props": ["error", "as-needed"],
    "radix": "error",
    "yoda": ["error", "never"],
    "curly": ["error", "all"],
    "func-style": ["error", "expression"],
    "prefer-arrow-callback": "error",
    "arrow-parens": ["error", "always"],
    "arrow-body-style": ["error", "always"],

    "import/no-absolute-path": "error",
    "import/no-webpack-loader-syntax": "error",
    "import/no-self-import": "error",
    "import/no-useless-path-segments": "error",
    "import/export": "error",
    "import/first": "error",
    "import/no-duplicates": "error",
    "import/order": [
      "error",
      {
        "groups": ["builtin", "external", "internal"],
        "newlines-between": "always"
      }
    ],
    "import/no-named-default": "error",
    "import/no-empty-named-blocks": "error",

    "promise/param-names": "error",
    "promise/no-new-statics": "error",

    "unicorn/better-regex": "error",
    "unicorn/catch-error-name": "error",
    "unicorn/consistent-destructuring": "error",
    "unicorn/consistent-function-scoping": "error",
    "unicorn/custom-error-definition": "error",
    "unicorn/error-message": "error",
    "unicorn/escape-case": "error",
    "unicorn/explicit-length-check": "error",
    "unicorn/new-for-builtins": "error",
    "unicorn/no-array-callback-reference": "error",
    "unicorn/no-array-for-each": "error",
    "unicorn/no-array-method-this-argument": "error",
    "unicorn/no-array-push-push": "error",
    "unicorn/no-document-cookie": "error",
    "unicorn/no-empty-file": "error",
    "unicorn/no-hex-escape": "error",
    "unicorn/no-instanceof-array": "error",
    "unicorn/no-new-array": "error",
    "unicorn/no-new-buffer": "error",
    "unicorn/no-this-assignment": "error",
    "unicorn/no-zero-fractions": "error",
    "unicorn/number-literal-case": "error",
    "unicorn/prefer-node-protocol": "error",
    "unicorn/throw-new-error": "error",
    "unicorn/no-typeof-undefined": "error",
    "unicorn/require-array-join-separator": "error",
    "unicorn/prefer-number-properties": "error",
    "unicorn/prefer-modern-math-apis": "error",
    "unicorn/template-indent": "error"
  },
  "overrides": [
    {
      "files": ["*.ts", "*.tsx"],
      "parser": "@typescript-eslint/parser",
      "plugins": ["@typescript-eslint"],
      "rules": {
        "no-undef": "off",
        "no-dupe-class-members": "off",
        "@typescript-eslint/no-dupe-class-members": "error",
        "no-loss-of-precision": "off",
        "@typescript-eslint/no-loss-of-precision": "error",
        "no-unused-vars": "off",
        "@typescript-eslint/no-unused-vars": [
          "error",
          { "varsIgnorePattern": "^_" }
        ],
        "no-use-before-define": "off",
        "@typescript-eslint/no-use-before-define": [
          "error",
          {
            "functions": false,
            "classes": false,
            "enums": false,
            "variables": false,
            "typedefs": false
          }
        ],
        "default-param-last": "off",
        "@typescript-eslint/default-param-last": "error",
        "dot-notation": "off",
        "@typescript-eslint/dot-notation": ["error", { "allowKeywords": true }],
        "no-array-constructor": "off",
        "@typescript-eslint/no-array-constructor": "error",
        "no-implied-eval": "off",
        "@typescript-eslint/no-implied-eval": "error",
        "no-redeclare": "off",
        "@typescript-eslint/no-redeclare": [
          "error",
          { "builtinGlobals": false }
        ],
        "no-throw-literal": "off",
        "@typescript-eslint/no-throw-literal": "error",
        "no-unused-expressions": "off",
        "@typescript-eslint/no-unused-expressions": [
          "error",
          {
            "allowShortCircuit": true,
            "allowTernary": true,
            "allowTaggedTemplates": true
          }
        ],
        "no-useless-constructor": "off",
        "@typescript-eslint/no-useless-constructor": "error",

        "@typescript-eslint/adjacent-overload-signatures": "error",
        "@typescript-eslint/array-type": [
          "error",
          { "default": "array-simple" }
        ],
        "@typescript-eslint/ban-types": "error",
        "@typescript-eslint/consistent-type-definitions": [
          "error",
          "interface"
        ],
        "no-duplicate-imports": "off",
        "@typescript-eslint/consistent-type-imports": "error",
        "@typescript-eslint/explicit-function-return-type": [
          "error",
          {
            "allowExpressions": true,
            "allowHigherOrderFunctions": true,
            "allowTypedFunctionExpressions": true,
            "allowDirectConstAssertionInArrowFunctions": true
          }
        ],
        "@typescript-eslint/member-delimiter-style": [
          "error",
          {
            "multiline": { "delimiter": "none" },
            "singleline": { "delimiter": "comma", "requireLast": false }
          }
        ],
        "@typescript-eslint/method-signature-style": "error",
        "@typescript-eslint/naming-convention": [
          "error",
          {
            "selector": "variableLike",
            "leadingUnderscore": "allow",
            "trailingUnderscore": "allow",
            "format": ["camelCase", "PascalCase", "UPPER_CASE"]
          }
        ],
        "@typescript-eslint/no-base-to-string": "error",
        "@typescript-eslint/no-dynamic-delete": "error",
        "@typescript-eslint/no-extra-non-null-assertion": "error",
        "@typescript-eslint/no-extraneous-class": [
          "error",
          { "allowWithDecorator": true }
        ],
        "@typescript-eslint/no-floating-promises": "error",
        "@typescript-eslint/no-for-in-array": "error",
        "@typescript-eslint/no-invalid-void-type": "error",
        "@typescript-eslint/no-misused-new": "error",
        "@typescript-eslint/no-non-null-asserted-optional-chain": "error",
        "@typescript-eslint/no-non-null-assertion": "error",
        "@typescript-eslint/no-this-alias": [
          "error",
          { "allowDestructuring": true }
        ],
        "@typescript-eslint/no-unnecessary-boolean-literal-compare": "error",
        "@typescript-eslint/no-unnecessary-type-assertion": "error",
        "@typescript-eslint/no-var-requires": "error",
        "@typescript-eslint/prefer-function-type": "error",
        "@typescript-eslint/prefer-includes": "error",
        "@typescript-eslint/prefer-nullish-coalescing": [
          "error",
          {
            "ignoreTernaryTests": true,
            "ignoreConditionalTests": false,
            "ignoreMixedLogicalExpressions": false
          }
        ],
        "@typescript-eslint/prefer-readonly": "error",
        "@typescript-eslint/prefer-reduce-type-parameter": "error",
        "@typescript-eslint/prefer-ts-expect-error": "error",
        "@typescript-eslint/promise-function-async": "error",
        "@typescript-eslint/require-array-sort-compare": [
          "error",
          { "ignoreStringArrays": true }
        ],
        "@typescript-eslint/restrict-plus-operands": [
          "error",
          { "skipCompoundAssignments": true }
        ],
        "@typescript-eslint/restrict-template-expressions": [
          "error",
          { "allowNumber": true }
        ],
        "@typescript-eslint/return-await": ["error", "always"],
        "@typescript-eslint/strict-boolean-expressions": [
          "error",
          {
            "allowString": false,
            "allowNumber": false,
            "allowNullableObject": false,
            "allowNullableBoolean": false,
            "allowNullableString": false,
            "allowNullableNumber": false,
            "allowAny": false
          }
        ],
        "@typescript-eslint/type-annotation-spacing": "error"
      }
    }
  ]
}