Fibonacci sequence codegolf

fib.js

// This is the shortest fib function using generators afaik
// Will exceed the call stack eventually

function fib(n) {
    const f = function* run(a = 0, b = 1) {
        yield a;
        yield* run(b, a + b);
    }();
    return Array(n).fill().map(()=>f.next().value);
}