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Hello 😊 This is my solution to the first coding test for Foodles.

Notes

After rereading the code and the instruction with a clear head, I noticed that I forgot to code one of the features requested in the instruction which was:

This list should be sorted by decreasing frequency and alphabetical order in case of tie.

So I corrected this error, although the 1 hour delay had passed. I therefore consider that this correction is not part of the code returned in the allotted time and that this oversight is penalizing no matter what.

To browse the actual code that I returned in the allotted time, you can refer to this commit (29b34e3) which is the last legitimate one, made within the time limit of one hour

Apart from this error, I also afterwards refactored and improved some details and added a test or two in the countOccurences.test.ts file.

Regardless of the outcome of this test, I would like to thank Foodles for taking an interest in my application for the Junior Fullstack Developer position and giving me the opportunity to do this little challenge 😊 🧡

Here is the exercice

1) Write a function that takes as input (sentence: String, n: Number)
and returns a list of size `n` where each element contains a word and and the frequency of that word in `sentence`
This list should be sorted by decreasing frequency and alphabetical order in case of tie.

Example:
Input: ("baz bar foo foo zblah zblah zblah baz toto bar", 3)
Output:
[
   ("zblah", 3),
   ("bar", 2),
   ("baz", 2),
]

2) Write tests for the function you just wrote

You are free to chose the programming language that you are the most comfortable with.

Tools I used

I chose to use Vite, React and Typescript to solve this exercise and tests were written using Vitest

How it works

The WordsOccurences.tsx file is a React component that is called in App.tsx. This React component shows the original sentence and the list of words computed by countOccurences() by displaying their string and their count.

WordsOccurences component calls the function countOccurences() that I wrote to solve the problem.

The function countOccurences is located under utils/WordsOccurences.tsx, and the tests for this function are located under tests/WordsOccurences.test.tsx

I added a lot of comments on purpose to better explain the code inside the countOccurences function.

How to use

To run the tests, you can use the following command :

npm run test

To run the program, you can use the following command :

npm run start

or

npm run dev