eslint-config-airbnb-ts-decorator

Add typescript support to Airbnb's ESLint config's. This library should typically not be used. Instead use eslint-config-airbnb-ts-base or eslint-config-airbnb-ts

This started as a fork from https://github.com/iamturns/eslint-config-airbnb-typescript

install eslint-config-airbnb-ts-decorator

npm install eslint-config-airbnb-ts-decorator --save-dev

2) Configure ESLint

Extend your current airbnb config with this one to add typescript support

Add "extends": ["airbnb", "airbnb-ts-decorator"] to your ESLint config file.

An example .eslintrc.js:

module.exports = {
  extends: ['airbnb', 'airbnb-ts-decorator', 'prettier'],
};

Also note that we're enabling @typescript-eslint/eslint-plugin's recommended rules by default You can turn them off if you want but since they're recommended they should probably be enabled.

4) Configure the ESLint TypeScript parser

This config requires knowledge of your TypeScript config.

In your ESLint config, set parserOptions.project to the path of your tsconfig.json.

For example:

 module.exports = {
   extends: ['airbnb-ts'],
+  parserOptions: {
+    project: './tsconfig.json',
+ }
 };

4) Run ESLint

Open a terminal to the root of your project, and run the following command:

npx eslint . --ext .js,.jsx,.ts,.tsx

ESLint will lint all .js, .jsx, .ts, and .tsx files within the current folder, and output results to your terminal.

You can also get results in realtime inside most IDEs via a plugin.

FAQ

Does this work with JavaScript files too?

Yep! This config is just decorating eslint-config-airbnb with TypeScript support.

I get this error when running ESLint: "The file must be included in at least one of the projects provided"

This means you are attempting to lint a file that tsconfig.json doesn't include.

A common fix is to create a tsconfig.eslint.json file, which extends your tsconfig.json file and includes all files you are linting.

{
  "extends": "./tsconfig.json",
  "include": ["src/**/*.ts", "src/**/*.js", "test/**/*.ts"]
}

Update your ESLint config file:

parserOptions: {
-  project: './tsconfig.json',
+  project: './tsconfig.eslint.json',
}

I wish this config would support [...]

The goal of eslint-config-airbnb-ts-decorator is to simply decorate eslint-config-airbnb with TypeScript support. It's not a single config to cater for all TypeScript linting requirements. For additional functionality, alter your ESLint config file. For example:

module.exports = {
  extends: [
    'airbnb',
    'airbnb-ts-decorator',
    'plugin:@typescript-eslint/recommended-requiring-type-checking',
    'prettier',
  ],
};

Credits

Authored by Matt Turnbull (iamturns.com / @iamturns)

Maintained by Anders Nilsson (nilssonanders79@gmail.com)

A big thank you to all contributors!

License

Open source licensed as MIT.