eslint.config.js

// Based on https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/blob/main/lint/eslintrc-gjs.yml#L67

import js from "@eslint/js";

export default [
    js.configs.recommended,
    {
        files: ["tiling-assistant@leleat-on-github/**/*.js"],
        languageOptions: {
            globals: {
                ARGV: "readonly",
                Debugger: "readonly",
                GIRepositoryGType: "readonly",
                globalThis: "readonly",
                global: "readonly",
                imports: "readonly",
                Intl: "readonly",
                log: "readonly",
                logError: "readonly",
                print: "readonly",
                printerr: "readonly",
                window: "readonly",
                TextEncoder: "readonly",
                TextDecoder: "readonly"
            }
        },
        rules: {
            "array-bracket-newline": [
                "error",
                "consistent"
            ],
            "array-bracket-spacing": [
                "error",
                "never"
            ],
            "array-callback-return": "error",
            "arrow-parens": [
                "error",
                "as-needed"
            ],
            "arrow-spacing": "error",
            "block-scoped-var": "error",
            "block-spacing": "error",
            "comma-dangle": "error",
            "comma-spacing": [
                "error",
                {
                    "before": false,
                    "after": true
                }
            ],
            "comma-style": [
                "error",
                "last"
            ],
            "computed-property-spacing": "error",
            "curly": [
                "error",
                "multi-or-nest",
                "consistent"
            ],
            "dot-location": [
                "error",
                "property"
            ],
            "eol-last": "error",
            "eqeqeq": "error",
            "func-call-spacing": "error",
            "func-name-matching": "error",
            "func-style": [
                "error",
                "declaration",
                {
                    "allowArrowFunctions": true
                }
            ],
            "indent": [
                "error",
                4,
                {
                    "FunctionExpression": {
                        "parameters": 2
                    },
                    "SwitchCase": 1,
                    "ignoredNodes": ["CallExpression[callee.object.name=GObject][callee.property.name=registerClass] > ClassExpression:first-child"],
                    "MemberExpression": "off"

                }
            ],
            "key-spacing": [
                "error",
                {
                    "beforeColon": false,
                    "afterColon": true
                }
            ],
            "keyword-spacing": [
                "error",
                {
                    "before": true,
                    "after": true
                }
            ],
            "linebreak-style": [
                "error",
                "unix"
            ],
            "max-nested-callbacks": "error",
            "max-statements-per-line": [
                "error",
                { "max": 2 }
            ],
            "new-parens": "error",
            "no-array-constructor": "error",
            "no-await-in-loop": "error",
            "no-caller": "error",
            "no-constant-condition": [
                "error",
                { "checkLoops": false }
            ],
            "no-div-regex": "error",
            "no-empty": [
                "error",
                { "allowEmptyCatch": true }
            ],
            "no-extra-bind": "error",
            "no-extra-boolean-cast": "off",
            "no-extra-parens": [
                "error",
                "all",
                {
                    "conditionalAssign": false,
                    "nestedBinaryExpressions": false,
                    "returnAssign": false
                }
            ],
            "no-implicit-coercion": [
                "error",
                { "allow": ["!!"] }
            ],
            "no-iterator": "error",
            "no-label-var": "error",
            "no-lonely-if": "error",
            "no-loop-func": "error",
            "no-multiple-empty-lines": "error",
            "no-multi-spaces": "error",
            "no-nested-ternary": "error",
            "no-new-object": "error",
            "no-new-wrappers": "error",
            "no-octal-escape": "error",
            "no-proto": "error",
            "no-prototype-builtins": "off",
            "no-restricted-properties": [
                "error",
                {
                    "object": "imports",
                    "property": "format",
                    "message": "Use template strings"
                },
                {
                    "object": "pkg",
                    "property": "initFormat",
                    "message": "Use template strings"
                },
                {
                    "object": "Lang",
                    "property": "copyProperties",
                    "message": "Use Object.assign()"
                },
                {
                    "object": "Lang",
                    "property": "bind",
                    "message": "Use arrow notation or Function.prototype.bind()"
                },
                {
                    "object": "Lang",
                    "property": "Class",
                    "message": "Use ES6 classes"
                }
            ],
            "no-return-assign": "error",
            "no-return-await": "error",
            "no-self-compare": "error",
            "no-shadow": "error",
            "no-shadow-restricted-names": "error",
            "no-spaced-func": "error",
            "no-tabs": "error",
            "no-template-curly-in-string": "error",
            "no-throw-literal": "error",
            "no-trailing-spaces": "error",
            "no-undef": "error",
            "no-unneeded-ternary": "error",
            "no-unused-vars": [
                "error",
                {
                    "vars": "local",
                    "varsIgnorePattern": "(^unused|_$)",
                    "argsIgnorePattern": "^(unused|_)"
                }
            ],
            "no-useless-call": "error",
            "no-useless-computed-key": "error",
            "no-useless-concat": "error",
            "no-useless-constructor": "error",
            "no-useless-rename": "error",
            "no-useless-return": "error",
            "no-whitespace-before-property": "error",
            "no-with": "error",
            "nonblock-statement-body-position": [
                "error",
                "below"
            ],
            "object-curly-newline": [
                "error",
                {
                    "consistent": true,
                    "multiline": true
                }
            ],
            "object-curly-spacing": [
                "error",
                "always"
            ],
            "object-shorthand": "error",
            "operator-assignment": "error",
            "operator-linebreak": "error",
            "padded-blocks": [
                "error",
                "never"
            ],
            "prefer-numeric-literals": "error",
            "prefer-promise-reject-errors": "error",
            "prefer-rest-params": "error",
            "prefer-spread": "error",
            "prefer-template": "error",
            "quotes": [
                "error",
                "single",
                { "avoidEscape": true }
            ],
            "require-await": "error",
            "rest-spread-spacing": "error",
            "semi": [
                "error",
                "always"
            ],
            "semi-spacing": [
                "error",
                {
                    "before": false,
                    "after": true
                }
            ],
            "semi-style": "error",
            "space-before-blocks": [
                "error",
                "always"
            ],
            "space-before-function-paren": [
                "error",
                {
                    "named": "never",
                    "anonymous": "always",
                    "asyncArrow": "always"
                }
            ],
            "space-in-parens": "error",
            "space-infix-ops": [
                "error",
                { "int32Hint": false }
            ],
            "space-unary-ops": "error",
            "switch-colon-spacing": "error",
            "symbol-description": "error",
            "template-curly-spacing": "error",
            "template-tag-spacing": "error",
            "unicode-bom": "error",
            "wrap-iife": [
                "error",
                "inside"
            ],
            "yield-star-spacing": "error",
            "yoda": "error"
        },
    }
];