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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/

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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)))
    )
}

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Source

1. No loops
2. No IF statements
3. Functions are a single return
4. No side effects
5. No assignment in functions
6. No arrays

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const { fromEvent, pipe } = Rx;
const { scan, throttleTime } = RxOperators;

const tick = () => scan(next => next + 1, 0);

const throttled = () => throttleTime(500);

const paced = () => pipe(throttled(), tick());

fromEvent(document, 'click').pipe(paced());

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export const environment = (...features: ReadonlyArray<Record<string, unknown>>) => ({
  redirectTo: {
    pwa: 'http://localhost:8100',
  },
  ...features.reduce((acc, next) => ({ ...acc, ...next}), {})
} as const);

// environment(withFoo(), withBar(), ...)

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const range = ({ min = 0, max = 10, step = 1}): number[] => {
    return min > max ? [] : [min, ...range({ min: min + 1, max, step})].filter(item => item % step === 0);
}

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Playgrounds

• Dhall
• Haskell
• OCaml
• PureScript
• Python
• Rust
• Sassmeister
• TypeScript

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const url = 'https://gist.githubusercontent.com/dperuo/7d93a334ce56fe8c746d4c6da92c2ee3/raw';

console.log(`deno run ${url}`);

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Markdown Footnotes

Nullam id dolor id nibh¹ ultricies vehicula ut id elit. Donec id² elit non mi porta gravida at eget metus. Aenean lacinia bibendum nulla sed consectetur. Donec ullamcorper nulla non metus auctor fringilla. Morbi leo risus, porta ac consectetur ac, vestibulum at eros. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit.

---

^{1 Nullam id dolor id nibh ultricies vehicula ut id elit.}

^{2 Donec sed odio dui.}

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Issue Tickets 💎

• If any

Details 📝

• Breaking changes, related pull requests, build logs and other details go here

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