CA/eslint.config.js at master · open768/CA · GitHub

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// eslint.config.js (ESM)
// @ts-ignore
import { defineConfig } from "eslint/config"
// @ts-ignore
import stylistic from "@stylistic/eslint-plugin"
// @ts-ignore
import jsdoc from "eslint-plugin-jsdoc"

export default defineConfig([
    {
        ...stylistic.configs.recommended,
        ignores: ["eslint.config.js", "node_modules/"],

        files: ["./**/*.js"],
        languageOptions: {
            ecmaVersion: "latest",
            sourceType: "script",
            globals: {
                $: "readonly",
                bean: "readonly",
                md5: "readonly",
                google: "readonly"
            },
        },
        plugins: {
            "@stylistic": stylistic,
            jsdoc,
        },
        rules: {
            // 0) Flag unused declarations (functions/vars) and private class members
            "no-unused-vars": ["warn", {
                "vars": "local",
                "args": "after-used",
            }],
            "no-unused-private-class-members": "warn",

            // Spacing: prevent extra/unnecessary spaces (auto-fixable where applicable)
            "no-multi-spaces": "error",
            "no-trailing-spaces": "error",
            "@stylistic/key-spacing": ["error", { "beforeColon": false, "afterColon": true, "mode": "strict" }],

            // Prevent redeclaring base-class fields like `element`
            "no-restricted-syntax": ["warn", {
                "selector": "ClassDeclaration[superClass.name='cJQueryWidgetClass'] PropertyDefinition[key.name='element']",
                "message": "Do not redeclare `element` in subclasses of cJQueryWidgetClass; it is set by the base class.",
            }],

            // 1) No trailing semicolons (auto-fixable)
            // Note: core `semi` is deprecated from ESLint 8.53 but still works in ESLint 9;
            // it may be removed in ESLint 11. For now this will auto-remove semicolons.
            semi: ["error", "never"],                              // [1](https://eslint.org/docs/latest/rules/semi)
            "no-extra-semi": "error",                              // (defensive) [2](https://github.com/eslint/eslint/blob/main/docs/src/rules/curly.md)

            // 2) Put single-statement bodies on their own line (auto-fixable)
            // e.g., `if (x) doThing()` ->
            //       `if (x)\n  doThing()`
            "nonblock-statement-body-position": ["error", "below"],// [3](https://eslint.org/docs/latest/rules/nonblock-statement-body-position)
            // Require a blank line after control blocks (auto-fixable)
            "padding-line-between-statements": ["error",
                { "blankLine": "always", "prev": "block-like", "next": "*" },
                { "blankLine": "always", "prev": "*", "next": ["case", "default"] },
            ],
            "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 0, "maxBOF": 0 }],
            // Require a newline after `{` in object/import/export braces
            "@stylistic/object-curly-newline": ["error", {
                "ObjectExpression": "always",
                "ObjectPattern": "always",
                "ImportDeclaration": "always",
                "ExportDeclaration": "always",
            }],
            // Put each function call argument on its own line (puts `{` on its own line for object literals)
            "@stylistic/function-call-argument-newline": ["error", "always"],
            // When multiple arguments, put `(` and first argument on a new line
            "@stylistic/function-paren-newline": ["error", "multiline-arguments"],

            // Strongly recommended along with the above so fixes are unambiguous
            // Require braces for all control statements (auto-fixable)
            curly: ["error", "multi"],                               // [4](https://eslint.org/docs/latest/rules/curly)
            // Keep opening braces on the same line as the control statement (auto-fixable)
            "@stylistic/brace-style": ["error", "1tbs", { "allowSingleLine": false }], // [5](https://eslint.style/rules/default/brace-style)
            // Enforce consistent indentation (auto-fixable)
            "@stylistic/indent": ["error", "tab", { "SwitchCase": 1 }], // [6](https://eslint.style/rules/default/indent)
            "jsdoc/check-alignment": "error",
        },
    },
])