Improve typing

 * Instances of this class are not created directly by the user, instead,

 * they are created using the `exercise` function.

 */

class Exercise {

export class Exercise {

    #execute = null

    #context = new ExerciseExecutionContext()

/** API to create cards for exercises */

import { createCard, setCardHoverTitle } from "./cards.mjs"

import { Exercise } from "./exercises.api.mjs"

import { createElementWithClass } from "./util.mjs"

/**

 * Needed because the terminal uses non-breaking spaces everywhere (to avoid that

 * the browser "intelligently" collapses multiple spaces into one), but JavaScript

 * users just expect normal spaces (as " " !== "   " is true anyways).

 * @param {string} line

 */

function sanitize(line) {

    // Replace non-breaking spaces with normal ones

import { State } from "./state.mjs"

import { pooltest, practice } from "./exercises.mjs"

import { createExerciseCard, displayAsSolved, displayAsNonCurrent, displayAsCurrent } from "./exercises.cards.mjs"

import { Exercise } from "./exercises.api.mjs"

let currentTest = null

const currentState = new State()