HichamBenjelloun’s gists

HichamBenjelloun / tableOfContents.ts

Created September 28, 2024 07:27

Generates a hierarchical Table of Contents (TOC) from DOM headings and returns it as a string.

	type HeadingNode = {
	element: HTMLHeadingElement;
	children: HeadingNode[];
	};

	function createHeadingTree(): HeadingNode[] {
	const root: HeadingNode[] = [];
	const stack: HeadingNode[] = [];

	for (const heading of document.querySelectorAll<HTMLHeadingElement>(

HichamBenjelloun / instructions-vmware-workstation-pro-16-on-fedora-36.sh

Last active June 2, 2024 19:49

How to install VMware Workstation Pro 16.2.3 on Fedora 36

	# Install VMware Workstation Pro 16.2.3 on Fedora 36

	# Install packages to build kernel modules
	sudo dnf install @development-tools
	sudo dnf install kernel-headers-$(uname -r) kernel-devel-$(uname -r) dkms elfutils-libelf-devel qt5-qtx11extras

	# Download VMware Workstation Pro here: https://www.vmware.com/go/getworkstation-linux

	# Install VMware Workstation Pro
	chmod +x VMware-Workstation-Full-16.2.3-19376536.x86_64.bundle

HichamBenjelloun / ionic-react-routes.test.jsx

Last active April 28, 2022 05:45

Testing Ionic React routing

	import * as React from 'react';
	import { render, screen } from '@testing-library/react';
	import { createMemoryHistory } from 'history';
	import { IonRedirect, IonRoute, IonRouterOutlet } from '@ionic/react';
	import { IonReactRouter } from '@ionic/react-router';

	import '@testing-library/jest-dom';

	// Using `IonRouterOutlet` here will make `jsdom` render the following DOM tree:
	// <body>

HichamBenjelloun / findDays.js

Last active January 5, 2022 02:27

Find days of the year with a certain sum of digits

	const nthDay = (n, year) => {
	const firstDay = new Date(`${year}`);
	const newDay = new Date(firstDay.getTime());
	newDay.setDate(firstDay.getDate() + n);

	return newDay;
	};

	const isLeapYear = (year) =>
	((year % 4 === 0) && (year % 100 !== 0)) \|\| (year % 400 === 0);

HichamBenjelloun / max-concurrent-promises-gen.js

Created May 1, 2021 13:49

Limiting the number of concurrent running promises streamed via a generator

	const DEFAULT_MAX_CONCURRENT_PROMISES = 5;

	/**
	* Runs a stream of promises and ensures only `max` promises are run at a time
	* @param {*} promiseRunnerGen
	* @param {*} max
	*/
	const run = (promiseRunnerGen, max = DEFAULT_MAX_CONCURRENT_PROMISES) => {
	const iterator = promiseRunnerGen();
	let runningPromiseCount = 0;

HichamBenjelloun / max-concurrent-promises.js

Last active April 30, 2021 23:56

Limiting the number of concurrent running promises

	let runningPromiseCount = 0;

	const examplePromiseRunnerQueue = new Array(10)
	.fill(0)
	.map((_, idx) => idx)
	.map((idx) => {
	return async () => {
	console.log(
	`[${new Date().toISOString()}] Promise ${idx} will run! \n# of running promises: ${runningPromiseCount}`
	);

HichamBenjelloun / rearrange.js

Last active April 5, 2021 13:51

Rearrange object structure

HichamBenjelloun / memoize-recursive.js

Last active January 2, 2022 21:38

Memoizing recursive functions

	const memoizeFactory = hashFn => fn => {
	const memoize = fn => {
	const cache = {};

	return (...args) => {
	const key = hashFn(args);
	if (key in cache) {
	return cache[key];
	}

HichamBenjelloun / curry.js

Last active July 26, 2020 01:05

Currying functions

	/**
	* Transforms a function of the form:
	* fn = (p1, ..., pN) => f(p1, ...pN)
	* to its curried form:
	* curried = p1 => p2 => ... => pN => fn(p1, p2, ..., pN);
	*
	* @param fn
	* @returns the curried form of fn
	*/
	const curry = fn =>

HichamBenjelloun / sieveOfEratosthenes.js

Last active July 10, 2020 14:51

Sieve of Eratosthenes

	/**
	* Initializes an empty sieve
	*
	* @returns {{primes: Set<number>, crossed: Set<number>, greatestComputedMultiples: Map<number, number>}}
	*/
	const createSieve = () => ({
	primes: new Set(),
	crossed: new Set(),
	greatestComputedMultiples: new Map(), // `prime` -> greatest computed multiple for `prime`
	});

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