5929943473

Committed 21 Aug 2023 06:13PM UTC coverage: 99.796% (-0.2%) from 100.0%

Build # 5929943473

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push

github

Committed by

miguelriosoliveira

Commit Message

question: guessingGame

Run Details

371 of 371 branches covered (100.0%)

Branch coverage included in aggregate %.

52 of 52 new or added lines in 1 file covered. (100.0%)

2073 of 2078 relevant lines covered (99.76%)

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91.38

/src/2023/314-guessingGame/guessingGame.ts

/*
Make a "guessing game" where there is a target number, and as the user makes guesses,
the output returns higher or lower until the user is correct.

Example usage:

Guess the number!
> 10
higher
> 20
higher
> 30
lower
> 25
higher
> 27
Correct! You won in 5 guesses!
*/

/**
 * thanks to https://stackoverflow.com/a/1527820/4916416
 *
 * Returns a random integer between min (inclusive) and max (inclusive).
 * The value is no lower than min (or the next integer greater than min
 * if min isn't an integer) and no greater than max (or the next integer
 * lower than max if max isn't an integer).
 * Using Math.round() will give you a non-uniform distribution!
 */
function getRandomInt(min: number, max: number): number {
        min = Math.ceil(min);
        max = Math.floor(max);
        return Math.floor(Math.random() * (max - min + 1)) + min;
}

interface Response {
        success: boolean;
        hint: '>' | '<' | '=';
        guessCount: number;
}

export function guessingGame(randomFunction = getRandomInt): (guess: number) => Response {
        const theNumber = randomFunction(0, 100);
        let guessCount = 1;

        return (guess: number) => {
                if (guess === theNumber) {
                        return { success: true, hint: '=', guessCount };
                }
                guessCount++;
                return { success: false, hint: guess > theNumber ? '<' : '>', guessCount };
        };
}

1	/*	1✔
2	Make a "guessing game" where there is a target number, and as the user makes guesses,	1✔
3	the output returns higher or lower until the user is correct.	1✔
4		1✔
5	Example usage:	1✔
6		1✔
7	Guess the number!	1✔
8	> 10	1✔
9	higher	1✔
10	> 20	1✔
11	higher	1✔
12	> 30	1✔
13	lower	1✔
14	> 25	1✔
15	higher	1✔
16	> 27	1✔
17	Correct! You won in 5 guesses!	1✔
18	*/	1✔
19		1✔
20	/**	1✔
21	* thanks to https://stackoverflow.com/a/1527820/4916416	1✔
22	*	1✔
23	* Returns a random integer between min (inclusive) and max (inclusive).	1✔
24	* The value is no lower than min (or the next integer greater than min	1✔
25	* if min isn't an integer) and no greater than max (or the next integer	1✔
26	* lower than max if max isn't an integer).	1✔
27	* Using Math.round() will give you a non-uniform distribution!	1✔
28	*/	1✔
29	function getRandomInt(min: number, max: number): number {	×
30	min = Math.ceil(min);	×
31	max = Math.floor(max);	×
32	return Math.floor(Math.random() * (max - min + 1)) + min;	×
33	}	×
34		1✔
35	interface Response {	1✔
36	success: boolean;	1✔
37	hint: '>' \| '<' \| '=';	1✔
38	guessCount: number;	1✔
39	}	1✔
40		1✔
41	export function guessingGame(randomFunction = getRandomInt): (guess: number) => Response {	1✔
42	const theNumber = randomFunction(0, 100);	4✔
43	let guessCount = 1;	4✔
44		4✔
45	return (guess: number) => {	4✔
46	if (guess === theNumber) {	6✔
47	return { success: true, hint: '=', guessCount };	1✔
48	}	1✔
49	guessCount++;	5✔
50	return { success: false, hint: guess > theNumber ? '<' : '>', guessCount };	6✔
51	};	6✔
52	}	4✔

miguelriosoliveira / rendezvous-with-cassidoo / 5929943473

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