Build a like button component using Angular (v4). Export the like button component as "LikeButtonComponent" (export class LikeButtonComponent).

Requirements:

1. There should be a like button:

• The content of the like button should be in the following format: "Like | 100", where 100 is the total number of likes.
• It should have a "like-button" class.
• Wrap the number of likes in a span with a "likes-counter" class.
• The initial number of likes in the counter should be 100.

2. Users can add a like. By clicking the button:

• The number of likes should increase by one.
• Like button should have "liked" class in addition to the "like-button" class.

3. Users can undo their like by clicking again on the button:

• The counter should decrease by one.
• "liked" class should be removed.

Assessment/Tools:

• Use the animation below as a reference for your solution.
• Design/styling is not assessed and will not affect the score. You should focus only on implementing the requirements.
• The "Preview" tab will display your component. You can use it for testing purposes.