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Asked: 2024-09-25T16:42:44+05:30 In:

How can I optimize this verbose JavaScript code for calculating game scores by consolidating functions and utilizing array methods to reduce its size while maintaining functionality?

I’ve come across this interesting piece of code that seems to be begging for some optimization, but I’m struggling a bit with how to make it cleaner and shorter while still maintaining its functionality. The original code is written in JavaScript and, while it works, the size of it is definitely not very “golfed.”

Here’s what I’m dealing with: the code’s primary function is to calculate the score based on a series of game outcomes, but it has a lot of repetitive structures and seems unnecessarily verbose. I’ve tinkered with a few ideas in my head, like using different built-in methods or maybe even some clever combinations to reduce the line count. However, I keep getting stuck on some of the logic, especially with how it’s managing inputs and outputs.

One thing I noticed is that it’s using multiple functions that seem to do very similar things, which feels like a good opportunity to consolidate some of that and avoid redundancy. I think there’s also a chance to make use of some array methods that could simplify the entire flow of the operations. For instance, instead of looping through arrays manually, maybe chaining some methods could cut down on characters.

I’m not super experienced with golfing code, but I love the challenge, and I’d really appreciate any tips or examples on how to approach this. How can I restructure this code to make it more compact? Are there specific techniques or tricks that could help me trim its size significantly?

If anyone has experience in this kind of optimization, I’d love to see how you would tackle it! Possibly some refactored code snippets or even just the thought process behind your approach would be super helpful. I’d really like to get it down to a minimal size while keeping it functional and readable as much as possible. Thanks in advance for any insights you can share!

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    2 Answers


    1. To optimize your JavaScript code that calculates scores based on game outcomes, one efficient approach is to leverage higher-order functions such as map, reduce, and filter. Instead of manually looping through the outcomes and performing checks or calculations, try to encapsulate the logic within these functions. For example, if you have a series of outcomes that return scores, you can use reduce to aggregate the scores in a single pass. You might also consider using an object to map scores associated with different outcomes, which could eliminate the need for multiple conditional statements, resulting in cleaner and more concise code.

      Additionally, if your code contains similar functions performing light variations of tasks, consider consolidating them into a single function that accepts parameters to customize behavior. This not only reduces redundancy but also enhances maintainability. Methods like forEach can replace more verbose loops when the goal is to perform operations without needing to return a transformed array. Using arrow functions can further streamline your syntax, reducing character count without sacrificing clarity. Here’s a refactored snippet to illustrate:

      
const calculateScore = outcomes => outcomes.reduce((total, outcome) => total + (scoreMap[outcome] || 0), 0);



    2. So, if you’re looking to optimize your JavaScript code for calculating scores, there are definitely a few tricks you can try!

      First off, consider using array methods like map, reduce, and filter. These can really help to condense your logic and make it cleaner. Instead of using loops, you could do something really compact.

      Here’s a super simple example:

            
        const scores = outcomes.map(o => o.win ? 1 : 0);
        const totalScore = scores.reduce((a, b) => a + b, 0);

      This takes an array of outcomes, maps them to a score (1 for a win, 0 for a loss), and then reduces that array to get the total score. It’s way shorter and more readable!

      If you have multiple functions doing similar things, try to create a single function that takes parameters instead. For example:

            
        const calculateScore = (outcomes, winValue = 1, lossValue = 0) => 
          outcomes.reduce((total, outcome) => total + (outcome ? winValue : lossValue), 0);

      This way, you’re just tweaking values instead of rewriting functions.

      And if you find yourself repeating code, think about breaking it down into smaller reusable pieces. It may look longer at first but can save you time later.

      Oh, and don’t forget to check for any built-in functions that might do the job for you! They can be a real lifesaver.

      Good luck with your code golfing! You’re gonna do great!


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