theorem.js/src/includes/functions/math/generators/fibonacci.js

A Math library for computation in JavaScript

* fibonacci() {
    let fn1 = 0;
    let fn2 = 1;
    while (true) {
        const current = fn1;
        fn1 = fn2;
        fn2 = fn1 + current;
        const reset = yield current;
        if (reset) {
            fn1 = 0;
            fn2 = 1;
        }
    }
}