How to Easily Remove Underscores from a String Array in Your TypeScript-Angular Project

Discover a simple method to remove underscores from string arrays in TypeScript-Angular projects without ES2021 support.
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Introduction

In the world of web development, handling data effectively is paramount, especially when dealing with arrays of strings that require formatting. One common issue developers may encounter is the need to remove underscores from string arrays. For example, you might receive an array like ["TASK_1", "TASK_2", "TASK_3"] from the backend, and your goal could be to display it in a more user-friendly format, such as ["TASK 1", "TASK 2", "TASK 3"]. This can become particularly tricky if your project does not support modern JavaScript features, such as using replaceAll().

In this guide, we will explore a clear solution to this problem using TypeScript, ensuring that our application displays the data as intended.

Problem Overview

When you receive an array of strings from the backend that includes underscores, it may not fit well with your desired UI layout. In this case, the task is to replace all occurrences of underscores with spaces. Here's what we need to achieve:

Input: ["TASK_1", "TASK_2", "TASK_3"]

Desired Output: ["TASK 1", "TASK 2", "TASK 3"]

The original method attempted uses replace(/_/g, ' '), but we’ll take a closer look at how we can ensure it works correctly in your Angular project.

Solution Breakdown

Step 1: Create a Formatting Function

To achieve our goal, we will define a function that uses the map() method to iterate over each string in the array. The existing replace method you've attempted is on the right track; we just need to make sure it's implemented correctly.

Here’s how to structure your function:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Use the Formatting Function

Once you have defined the formatWithoutUnderScore function, you need to apply it to your array. Here is how you can do that:

[[See Video to Reveal this Text or Code Snippet]]

Full Implementation Example

Combining the above steps, your final implementation should look something like this:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By defining a simple formatting function and applying it correctly, we can easily transform an array of strings that includes underscores into a more visually appealing format without underscores. This approach is especially useful in scenarios where modern JavaScript methods are not available.

Now you can ensure your string arrays from the backend are displayed in a format that's consistent with your application’s design requirements.

Feel free to reach out if you have any more questions or if there’s anything else we can help you with!