@admc.com/eslint-plugin-sn/.eslintrc.json

ESLint plugin for ServiceNow scriptlets

// This is for checking js files in the eslint-plugin-sn implementation itself.
// Don't use this for checking ServiceNow scriptlets.
{
  "ignorePatterns": ["/resources/sys_script_validator/*"],
  "env": { "es2022": true, "node": true },
  "extends": "eslint:recommended",
  "parserOptions": { "ecmaVersion": "latest" },
  "rules": {
    "camelcase": ["warn", { "properties": "never" }],
    "eqeqeq": "error",
    "semi": "error",
    "no-unreachable-loop": "error",
    "no-use-before-define": ["error", { "functions": false, "classes": false }],
    "no-extra-parens": "warn",
    "no-unused-vars": ["error", {
        "args": "all",
        "argsIgnorePattern": "^_?dummy",
        "caughtErrors": "all", 
        "caughtErrorsIgnorePattern": "^_?dummy"
    }],

    // Node-like-specific
    "no-duplicate-imports": "error",

    "operator-assignment": "error",
    "no-useless-return": "error",
    "prefer-regex-literals": ["error", { "disallowRedundantWrapping": true}],
    "no-useless-concat": "error",
    "no-useless-computed-key": "error",
    "no-useless-call": "error",
    "no-unused-expressions": "error",
    "no-undef-init": "error",
    "no-proto": "error",
    "no-new-wrappers": "error",
    "no-new-object": "error",
    "no-negated-condition": "error",
    "no-loop-func": "error",
    "no-lonely-if": "error",
    "no-lone-blocks": "error",
    "no-implied-eval": "warn",
    "no-eval": "warn",
    "no-extra-label": "error",
    "no-extra-bind": "error",
    "no-else-return": ["error", {"allowElseIf": false}],
    "no-array-constructor": "warn",
    "new-cap": "error",
    "max-depth": "warn",
    "dot-notation": "error",
    "consistent-return": "error",
    "class-methods-use-this": "error",
    "block-scoped-var": "error",
    "no-template-curly-in-string": "warn",
    "no-self-compare": "error",
    "no-constructor-return": "error",
    "no-constant-binary-expression": "error",
    "array-callback-return": ["error", { "checkForEach": true }],
    "no-eq-null": "error",

    // Post-ES6
    "strict": ["error", "safe"],
    "prefer-exponentiation-operator": "error",
    "prefer-arrow-callback": "error",
    "object-shorthand": "error",
    "no-useless-rename": "error",
    "no-useless-constructor": "error",
    "prefer-template": "error",
    "no-iterator": "error",
    "require-atomic-updates": "error",
    "no-unused-private-class-members": "error",
    "no-promise-executor-return": "error",
    "prefer-rest-params": "error",
    "prefer-spread": "error",

    // formatting
    "no-var": "error",
    "prefer-const": "error",
    "comma-spacing": "warn",
    "dot-location": "warn",
    "eol-last": "error",
    "func-call-spacing": "error",
    "keyword-spacing": "error",
    "linebreak-style": "error",
    "max-len": ["error", { "code": 100, "ignoreUrls": true }],
    "no-multi-spaces": ["error", { "ignoreEOLComments": true }],
    "no-tabs": "error",
    "no-trailing-spaces": "error",
    "no-whitespace-before-property": "error",
    "padded-blocks": ["error", "never"],
    "rest-spread-spacing": "error"
  }
}