eneko89

import { useEffect } from 'react';

type EffectReturn = Promise<(() => void) | void>;
type EffectFunction = (ignore: { current: boolean }) => EffectReturn;
type DependencyArray = unknown[];

/**
 * Works like useEffect, but accepts an async function as the effect
 * function and provides an ignore object with a current attribute
 * that tells if you should ignore the result.

eneko89

/**
 * Check the following example in jsfiddle.
 * 
 * <https://jsfiddle.net/qg9k3pmo/1/>
 */

/**
 * Rewrite 'el' element periodically with a string composed by an
 * always static 'base' string and slices of 'sentence' in order
 * to create a console prompt writing effect. For example, if:

eneko89

// Variable to track requests and their callbacks so that httpGet()
// does not make a request to the same URL if the previous has not
// finished.
var requests = {};

/**
 * Fetches data from a JSON API through HTTP GET (XMLHttpRequest).
 *
 * Requests to the same URL before the previous one completes are
 * coalesced and their callbacks receive the same result.

eneko89

/**
 * Looks for URLs in the source text and replaces them with anchor
 * tags. If there are no links in the text, it does nothing.
 * 
 * @param  {String}  text  Source text.
 * 
 * @return {String}        New string with URLs in the source
 *                         text replaced with anchor tags.
 */
function anchorify(text) {