Eslint config Jorn (for typescript)

This config gives you eslint configured with:

• standard js for typescript
• prettier without semicolons and with single quotes & trailing commas
• console and debugger statements are allowed in dev, but will throw when linted in your CI pipeline

Setting up

npm install eslint-config-jorn-ts

Add .eslintrc.js to your project root..

module.exports = {
  root: true,
  extends: 'eslint-config-jorn-ts',
}

..and update tsconfig.json with:

"include": [
  "./.eslintrc.js",
  "src"
]

Lastly, you may want to add a package.json script for linting the project. You can call this manually from the CLI or use it in your build pipeline to auto check your code.

"scripts": {
  "lint": "eslint ./src"
}

Editor integration

You want at least auto fix on save. To do this your editor needs to know what to do with the eslint config.

VSCode

• Install extension dbaeumer.vscode-eslint
• Add a settings file in your project root: .vscode/settings.json with:

{
  "eslint.workingDirectories": [
    "./"
  ],
  "editor.defaultFormatter": "dbaeumer.vscode-eslint",
  "editor.codeActionsOnSave": {
    "source.fixAll.eslint": true
  }
}

Issues

Not listed here? Let me know in the repo

tsconfig not in project root

If your tsconfig file lives somewhere else (a subdir), you probably can't use package.json to connect. So add .eslintrc.js instead with:

module.exports = {
  root: true,
  extends: 'eslint-config-jorn-ts',
  parserOptions: {
    project: ['./<path_to>/tsconfig.json'],
  },
}

Can I exclude stuff

Yes, just add an .eslintignore file. It has the same syntax as .gitignore.