eslint.config.js

import common from "eslint-config-neon/flat/common.js";
import node from "eslint-config-neon/flat/node.js";
import prettier from "eslint-config-neon/flat/prettier.js";
import react from "eslint-config-neon/flat/react.js";
import typescript from "eslint-config-neon/flat/typescript.js";
import merge from "lodash.merge";

const commonFiles = "{js,mjs,cjs,ts,mts,cts,jsx,tsx}";

const commonRuleset = merge(...common, { files: [`**/*${commonFiles}`] });

const nodeRuleset = merge(...node, { files: [`**/*${commonFiles}`] });

const prettierRuleset = merge(...prettier, { files: [`**/*${commonFiles}`] });

const typeScriptRuleset = merge(...typescript, {
  files: [`**/*${commonFiles}`],
  languageOptions: {
    parserOptions: {
      warnOnUnsupportedTypeScriptVersion: false,
      allowAutomaticSingleRunInference: true,
      project: [
        "tsconfig.eslint.json",
        "apps/*/tsconfig.eslint.json",
        "packages/*/tsconfig.eslint.json",
      ],
    },
  },
  rules: {
    "@typescript-eslint/consistent-type-definitions": [2, "interface"],
    "@typescript-eslint/naming-convention": [
      2,
      {
        selector: "typeParameter",
        format: ["PascalCase"],
        custom: {
          regex: "^\\w{3,}",
          match: true,
        },
      },
    ],
  },
  settings: {
    "import/resolver": {
      typescript: {
        project: [
          "tsconfig.eslint.json",
          "apps/*/tsconfig.eslint.json",
          "packages/*/tsconfig.eslint.json",
        ],
      },
    },
  },
});

/** @type {import('eslint').Linter.FlatConfig[]} */
const reactRuleset = merge(...react, {
  files: [`**/*${commonFiles}`],
  rules: {
    "react/react-in-jsx-scope": 0,
    "react/jsx-filename-extension": [1, { extensions: [".tsx"] }],
    "@typescript-eslint/triple-slash-reference": 0,
  },
});

/** @type {import('eslint').Linter.FlatConfig[]} */
export default [
  {
    ignores: ["**/node_modules/", ".git/", "**/dist/"],
  },
  {
    files: ["**/*{js,mjs,cjs,jsx}"],
    rules: { "tsdoc/syntax": 0 },
  },
  commonRuleset,
  nodeRuleset,
  typeScriptRuleset,
  prettierRuleset,
  reactRuleset,
];