TS: linting, formatting configs for T3 stack

.eslintignore

# https://eslint.org/docs/latest/use/configure/ignore

### SHARED BETWEEN .gitignore, .dockerignore, .prettierignore, .eslintignore ###

## TEMPLATE ##

# Tests, analytics, reports
coverage/
reports/
.nyc_output

# Compiled JS
dist/
.next/

# ENV
.env
.env*
!.env.example
!.env.*.example

# Logs
logs/
*.log

# Node dependencies
node_modules/

# Generated by MacOS
.DS_Store

# Generated by Windows
Thumbs.db

## CUSTOM ##

# TypeScript artifacts files
artifacts/

# Database
db/*

# TypeDoc generated docs
typedoc/

### SHARED BETWEEN .gitignore, .prettierignore, .eslintignore ###

## TEMPLATE ##

# VS Code
.vscode/*
!.vscode/extensions.json
!.vscode/settings.json

## CUSTOM ##

!db/exporter/

### SHARED BETWEEN .dockerignore, .prettierignore, .eslintignore ###

## TEMPLATE ##

# Git
.git/

## CUSTOM ##

# Excalidraw
*.excalidraw

### SHARED BETWEEN .prettierignore, .eslintignore ###

## TEMPLATE ##

# Package manager lockfile
package-lock.json

.eslintrc.json

{
  "env": {
    "es2022": true,
    "node": true,
    "jest": true
  },
  "ignorePatterns": ["tailwind.config.js"],
  "extends": [
    "eslint:recommended",
    "next/core-web-vitals",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:@typescript-eslint/strict",
    "plugin:import/recommended",
    "plugin:import/typescript",
    "plugin:n/recommended",
    "plugin:promise/recommended",
    "standard-with-typescript",
    "standard-jsx",
    "standard-react",
    "plugin:tailwindcss/recommended",
    "plugin:prettier/recommended"
  ],
  "overrides": [],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json",
    "ecmaVersion": 2022,
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "import", "n", "promise", "prettier"],
  "root": true,
  "rules": {
    "n/no-missing-import": 0,
    "n/no-unsupported-features/es-syntax": 0,
    "react/react-in-jsx-scope": 0,
    "@typescript-eslint/explicit-function-return-type": 0,
    "@typescript-eslint/strict-boolean-expressions": 0,
    "max-params": ["error", 8],
    "no-param-reassign": [
      "error",
      {
        "props": true,
        "ignorePropertyModificationsFor": ["acc", "prev"]
      }
    ],
    "sort-imports": [
      "error",
      {
        "ignoreCase": false,
        "ignoreDeclarationSort": true,
        "ignoreMemberSort": false,
        "memberSyntaxSortOrder": ["none", "all", "multiple", "single"],
        "allowSeparatedGroups": true
      }
    ],
    "import/order": [
      "error",
      {
        "alphabetize": {
          "order": "asc",
          "caseInsensitive": true
        },
        "groups": [
          "builtin",
          "external",
          "internal",
          "parent",
          "sibling",
          "index",
          "object",
          "type",
          "unknown"
        ],
        "newlines-between": "always"
      }
    ],
    "@typescript-eslint/consistent-type-imports": [
      "warn",
      {
        "prefer": "type-imports",
        "fixStyle": "inline-type-imports"
      }
    ],
    "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }]
  },
  "settings": {
    "import/resolver": {
      "node": "true",
      "typescript": "true"
    }
  }
}

.prettierc.json

{
  "printWidth": 120,
  "proseWrap": "always",
  "singleQuote": true,
  "tabWidth": 2
}

gistfile1.txt

# https://editorconfig.org

root = true

[*]
charset = utf-8
end_of_line = lf
indent_style = space
indent_size = 2
insert_final_newline = true
trim_trailing_whitespace = true

postcss.config.cjs

const config = {
  plugins: {
    tailwindcss: {},
    autoprefixer: {},
  },
};

module.exports = config;

prettier.config.cjs

/** @type {import("prettier").Config} */
const config = {
  plugins: [require.resolve("prettier-plugin-tailwindcss")],
};

module.exports = config;