TypeScript w/ FP: ESLint

.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  parserOptions: {
    project: "./tsconfig.json",
    ecmaVersion: 2018,
    sourceType: "module",
  },
  extends: [
    "typed-fp",
    "plugin:sonarjs/recommended",
    "plugin:jest/recommended",
    "plugin:prettier/recommended",
  ],
  env: {
    es6: true,
  },
  plugins: [
    "jest",
    "sonarjs",
    "functional",
    "@typescript-eslint",
    "prettier",
    "total-functions",
  ],
  rules: {
    "total-functions/no-unsafe-mutable-readonly-assignment": "warn",
    "functional/functional-parameters": "warn",
  },
  ignorePatterns: ["/*.*"],
};

README.md

Install

ESLint + Prettier

npm i eslint eslint-config-prettier eslint-plugin-prettier prettier --save-dev

TypeScript

npm i typescript @typescript-eslint/eslint-plugin @typescript-eslint/parser --save-dev

fp-ts

npm i eslint-config-typed-fp eslint-plugin-functional eslint-plugin-total-functions --save-dev

sonarjs

npm i eslint-plugin-sonarjs --save-dev

Jest

npm i jest eslint-plugin-jest --save-dev

ESLint Config

Install ESLint

npm i -g eslint

Create Config

eslint --init

package.json

{
  "name": "eslint-fp-ts",
  "version": "0.0.0",
  "description": ":rocket:",
  "main": "src/main.ts",
  "scripts": {
    "dev": "vite",
    "build": "tsc && vite build",
    "preview": "vite preview",
    "lint": "eslint",
    "format": "eslint --fix",
    "test": "jest"
  },
  "devDependencies": {
    "@types/jest": "^27.4.0",
    "@types/node": "^17.0.7",
    "@typescript-eslint/eslint-plugin": "^5.9.0",
    "@typescript-eslint/parser": "^5.9.0",
    "eslint": "^8.6.0",
    "eslint-config-prettier": "^8.3.0",
    "eslint-config-typed-fp": "^2.0.1",
    "eslint-plugin-functional": "^4.0.2",
    "eslint-plugin-jest": "^25.3.4",
    "eslint-plugin-prettier": "^4.0.0",
    "eslint-plugin-sonarjs": "^0.11.0",
    "eslint-plugin-total-functions": "^5.0.1",
    "jest": "^27.4.5",
    "prettier": "^2.5.1",
    "ts-jest": "^27.1.2",
    "ts-node": "^10.4.0",
    "typescript": "^4.5.4",
    "vite": "^2.7.2"
  },
  "dependencies": {
    "fp-ts": "^2.11.5",
    "io-ts": "^2.2.16",
    "io-ts-types": "^0.5.16",
    "monocle-ts": "^2.3.11",
    "newtype-ts": "^0.3.4",
    "readonly-types": "^3.0.0",
    "source-map-support": "^0.5.21"
  }
}