dperuo

const backoff = (config?: { readonly scale?: number; readonly count?: number; }): readonly number[] => {
    return [...Array(config?.count ?? 4).keys()].map(item => 2 ** item * (config?.scale ?? 1));
}

const backoff$ = (config?: { readonly delay?: number; readonly count?: number; readonly scale?: number;}) => {
    return from([...Array(config?.count ?? 4).keys()]).pipe(
        concatMap(next => timer((config?.scale ?? 2) ** next * (config?.delay ?? 500)))
    )
}

dperuo

Zsh Lazy Load

• https://armno.in.th/blog/zsh-startup-time/

• https://frederic-hemberger.de/notes/speeding-up-initial-zsh-startup-with-lazy-loading/

• https://github.com/qoomon/zsh-lazyload/tree/master

• https://htr3n.github.io/2018/07/faster-zsh/