@putout/plugin-remove-iife 
An IIFE (Immediately Invoked Function Expression) is a JavaScript function that runs as soon as it is defined.
(c) MDN
🐊Putout plugin adds ability to find and remove IIFE.
Check out in 🐊Putout Editor:
Install
npm i @putout/plugin-remove-iife
Rule
{
"rules": {
"remove-iife": "on"
}
}
❌ Example of incorrect code
(function() {
console.log('hello');
})();
((a) => fn(a))(value);
((a, b) => fn(a, b))(value, value2);
✅ Example of correct code
console.log('hello');
fn(value);
fn(value, value2);
License
MIT