.eslintrc.json

{
    "extends": [
        "plugin:node/recommended",
        "plugin:eslint-comments/recommended",
        "plugin:eslint-plugin/all",
        "plugin:unicorn/recommended"
    ],

    "env": {
        "node": true
    },

    "parserOptions": {
        "sourceType": "script",
        "ecmaVersion": "latest"
    },

    "plugins": ["node", "eslint-plugin"],

    "rules": {
        "array-bracket-spacing": ["error", "never"],
        "block-spacing": ["error", "always"],
        "brace-style": ["error", "1tbs"],
        "camelcase": ["error", { "properties": "always" }],
        "comma-dangle": ["error", "never"],
        "comma-spacing": ["error", { "before": false, "after": true }],
        "comma-style": ["error", "last"],
        "complexity": ["error", 10],
        "computed-property-spacing": ["error", "never"],
        "consistent-return": "error",
        "consistent-this": ["error", "self"],
        "curly": ["error", "multi-line"],
        "default-case": "error",
        "dot-location": ["error", "property"],
        "dot-notation": "error",
        "eol-last": "error",
        "eqeqeq": "error",
        "func-call-spacing": "error",
        "func-style": ["error", "declaration"],
        "guard-for-in": "error",
        "indent": ["error", 4, { "SwitchCase": 1, "VariableDeclarator": 1 }],
        "key-spacing": ["error", { "beforeColon": false, "afterColon": true }],
        "keyword-spacing": ["error", { "before": true, "after": true }],
        "linebreak-style": ["error", "unix"],
        "lines-around-comment": [
            "error",
            {
                "beforeBlockComment": false,
                "afterBlockComment": false,
                "beforeLineComment": true,
                "afterLineComment": false,
                "allowBlockStart": true,
                "allowBlockEnd": true,
                "allowObjectStart": true,
                "allowObjectEnd": true,
                "allowArrayStart": true,
                "allowArrayEnd": true
            }
        ],
        "max-depth": ["error", 5],
        "new-cap": ["error", { "newIsCap": true, "capIsNew": true }],
        "new-parens": "error",
        "no-array-constructor": "error",
        "no-caller": "error",
        "no-catch-shadow": "error",
        "no-cond-assign": ["error", "except-parens"],
        "no-console": "error",
        "no-const-assign": "error",
        "no-constant-condition": "error",
        "no-control-regex": "error",
        "no-debugger": "error",
        "no-delete-var": "error",
        "no-dupe-args": "error",
        "no-dupe-keys": "error",
        "no-duplicate-case": "error",
        "no-else-return": "error",
        "no-empty": "error",
        "no-empty-character-class": "error",
        "no-empty-function": "error",
        "no-eval": "error",
        "no-ex-assign": "error",
        "no-extend-native": "error",
        "no-extra-boolean-cast": "error",
        "no-extra-parens": "error",
        "no-extra-semi": "error",
        "no-fallthrough": "error",
        "no-floating-decimal": "error",
        "no-func-assign": "error",
        "no-implied-eval": "error",
        "no-invalid-regexp": "error",
        "no-irregular-whitespace": "error",
        "no-labels": "error",
        "no-lone-blocks": "error",
        "no-lonely-if": "error",
        "no-loop-func": "error",
        "no-mixed-requires": "error",
        "no-mixed-spaces-and-tabs": "error",
        "no-multi-spaces": ["error", { "ignoreEOLComments": true }],
        "no-multi-str": "error",
        "no-multiple-empty-lines": "error",
        "no-unsafe-negation": "error",
        "no-nested-ternary": "error",
        "no-new-func": "error",
        "no-new-object": "error",
        "no-new-require": "error",
        "no-new-wrappers": "error",
        "no-octal": "error",
        "no-octal-escape": "error",
        "no-path-concat": "error",
        "no-process-exit": "error",
        "no-redeclare": "error",
        "no-return-assign": "error",
        "no-regex-spaces": "error",
        "no-self-assign": "error",
        "no-self-compare": "error",
        "no-sequences": "error",
        "no-sparse-arrays": "error",
        "no-template-curly-in-string": "error",
        "no-throw-literal": "error",
        "no-trailing-spaces": "error",
        "no-undef": "error",
        "no-undefined": "error",
        "no-underscore-dangle": "error",
        "no-unexpected-multiline": "error",
        "no-unmodified-loop-condition": "error",
        "no-unneeded-ternary": "error",
        "no-unreachable": "error",
        "no-unsafe-finally": "error",
        "no-unused-expressions": "error",
        "no-unused-vars": "error",
        "no-use-before-define": "error",
        "no-useless-call": "error",
        "no-useless-concat": "error",
        "no-useless-escape": "error",
        "no-useless-return": "error",
        "no-var": "error",
        "no-warning-comments": "error",
        "no-whitespace-before-property": "error",
        "no-with": "error",
        "object-curly-newline": ["error", { "consistent": true }],
        "object-curly-spacing": ["error", "always"],
        "object-property-newline": "error",
        "operator-assignment": ["error", "always"],
        "operator-linebreak": ["error", "after"],
        "padded-blocks": ["error", "never"],
        "prefer-const": "error",
        "prefer-template": "error",
        "quote-props": ["error", "consistent"],
        "quotes": ["error", "double"],
        "radix": "error",
        "semi": ["error", "always"],
        "semi-spacing": ["error", { "before": false, "after": true }],
        "space-before-blocks": ["error", "always"],
        "space-before-function-paren": ["error", { "anonymous": "always", "named": "never" }],
        "space-in-parens": ["error", "never"],
        "space-infix-ops": "error",
        "space-unary-ops": ["error", { "words": true, "nonwords": false }],
        "spaced-comment": ["error", "always", { "exceptions": ["-"] }],
        "strict": ["error", "global"],
        "template-curly-spacing": ["error", "never"],
        "use-isnan": "error",
        "valid-jsdoc": ["error", {
            "prefer": {
                "return": "returns"
             }
        }],
        "valid-typeof": "error",
        "wrap-iife": "error",
        "yoda": ["error", "never"],

        // eslint-plugin-eslint-plugin
        "eslint-plugin/meta-property-ordering": ["error", [
            "type", "docs", "fixable", "messages", "schema", "deprecated", "replacedBy"
        ]],
        "eslint-plugin/require-meta-docs-url": ["error", {
            "pattern": "https://github.com/platinumazure/eslint-plugin-qunit/blob/master/docs/rules/{{name}}.md"
        }],

        // eslint-plugin-unicorn
        "unicorn/consistent-function-scoping": "off",
        "unicorn/empty-brace-spaces": "off",
        "unicorn/filename-case": "off",
        "unicorn/no-array-reduce": "off",
        "unicorn/no-null": "off",
        "unicorn/prefer-at": "off", // TODO: enable once we raise Node requirement to v16.6.0
        "unicorn/prefer-module": "off",
        "unicorn/prevent-abbreviations": "off"
    },

    "overrides": [
        {
            "files": ["**/*.md"],
            "processor": "markdown/markdown"
          },
          {
            "files": ["**/*.md/*.js", "**/*.md/*.javascript"],
            "plugins": ["markdown"],
            "parserOptions": {
              "sourceType": "module"
            },
            "rules": {
                "brace-style": "off",
                "eqeqeq": "off",
                "guard-for-in": "off",
                "no-constant-condition": "off",
                "no-empty-function": "off",
                "no-undef": "off",
                "no-unused-expressions": "off",
                "no-unused-vars": "off",
                "no-var": "off",
                "quotes": "off",
                "space-before-function-paren": "off"
            }
        },
        {
            "files": ["tests/**/*.js"],
            "extends": ["plugin:mocha/recommended"]
        }
    ]
}