LONDON-10/BAKI TUNCER/NODE-2

[batuncer]

• Your Name: BAKI
• Your City: LONDON
• Your Slack Name:BAKI

[kitko112]

Are you trying to validate the id, from and text ? if they don't exist it will be a bad request right?

your logic check only if the parameter is an empty string, but what if the caller gives an undefined value?

[kitko112]

There is another way to search in case insensitive with regular expression. with it you don't need to lower the message and the word.

// Value to search (can be obtained from user input or any other source)
const searchValue = 'a'; // Change this value as needed

// Function to search using regular expression
function searchWithRegex(array, searchValue) {
  const regex = new RegExp(searchValue, 'i'); // 'i' for case-insensitive search
  return array.filter(item => regex.test(item));
}

// Perform the search and store the result in a new array
const searchResult = searchWithRegex(arrayToSearch, searchValue);

[kitko112]

Nice use of slice which return an shallow copy.

[kitko112]

FYI. Another way to store the message is to use Map(), so you can easily get item by id.
But it is not for search.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map