eslint-plugin-nwronski

This repo contains the linting rules for my projects that use ESLint with TypeScript.

Installation

Install ESLint and TSLint (for now) for your project.

yarn add --dev eslint tslint

Default (TypeScript/Node)

Install the eslint-plugin-nwronski module and dependencies

yarn add --dev eslint-plugin-nwronski

Create a .eslintrc.json file in the root folder of your project and add the following:

.eslintrc.json

{
  "extends": "plugin:nwronski/base",
  "parserOptions": {
    "project": "./tsconfig.json"
  }
}

Add lint script to your package.json:

package.json

{
  "scripts": {
    "lint": "eslint --fix \"./src/**/*.ts\""
  }
}

Angular (TypeScript/Jasmine/Protractor)

Install the eslint-plugin-nwronski module and dependencies

yarn add --dev @angular-eslint/eslint-plugin @angular-eslint/template-parser @angular-eslint/eslint-plugin-template @angular-eslint/builder eslint-plugin-nwronski

Create a .eslintrc.json file in the root folder of your project and add the following:

.eslintrc.json

{
  "extends": "plugin:nwronski/angular",
  "parserOptions": {
    "project": "./tsconfig.eslint.json"
  },
  "rules": {
    "@angular-eslint/component-selector": [
      "error",
      {
        "type": "element",
        "prefix": "nw",
        "style": "kebab-case"
      }
    ],
    "@angular-eslint/directive-selector": [
      "error",
      {
        "type": "attribute",
        "prefix": "nw",
        "style": "camelCase"
      }
    ]
  }
}

Create a tsconfig.eslint.json file in the root folder of your project and add the following:

tsconfig.eslint.json

{
  "extends": "./tsconfig.json",
  "compilerOptions": {
    "noEmit": true
  },
  "include": [
    "src",
    "e2e"
  ]
}

Add lint script to your package.json:

package.json

{
  "scripts": {
    "lint": "ng lint --fix",
  }
}

Add ESLint configuration for Angular CLI to your angular.json:

angular.json

{
  "projects": {
    "my-fancy-project": {
      "prefix": "nw",
      "architect": {
        "lint": {
          "builder": "@angular-eslint/builder:lint",
          "options": {
            "eslintConfig": ".eslintrc.json",
            "lintFilePatterns": [
              "src/**/*.ts",
              "src/**/*.component.html"
            ],
            "exclude": [
              "**/node_modules/**"
            ]
          }
        }
      }
    }
  }
}

React (TypeScript/Jest)

Install the eslint-plugin-nwronski module and dependencies

yarn add --dev eslint-plugin-react eslint-plugin-react-hooks eslint-plugin-jsx-a11y eslint-plugin-jest eslint-plugin-nwronski

Create a .eslintrc.json file in the root folder of your project and add the following:

.eslintrc.json

{
  "extends": "plugin:nwronski/react",
  "parserOptions": {
    "project": "./tsconfig.json"
  }
}

Add lint script to your package.json:

package.json

{
  "scripts": {
    "lint": "eslint --fix \"./src/**/*.{ts,tsx}\""
  }
}

Usage

CLI

yarn run lint

lint-staged

yarn add --dev lint-staged

.lintstagedrc.json

{
  "*.{ts,tsx}": [
    "eslint --fix"
  ]
}

vscode

.vscode/settings.json

{

  "eslint.options": {
    "extensions": [
      ".ts",
      ".html",
      ".tsx"
    ]
  }
}