Prefer optional chaining over a sequence of validations
npm install eslint-plugin-prefer-optional-chainingPrefer optional chaining over a sequence of validations
You'll first need to install ESLint:
```
$ npm i eslint --save-dev
Next, install eslint-plugin-prefer-optional-chaining:
``
$ npm install eslint-plugin-prefer-optional-chaining --save-dev
Add prefer-optional-chaining to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix:
`json``
{
"plugins": [
"prefer-optional-chaining"
]
}
* prefer-optional-chaining: Prefer optional chaining over a sequence of validations