Restricting the number of mat-chips in Angular and preventing the input from being disabled

Here is my recreation of a small portion of my project on StackBlitz. I am encountering 4 issues in this snippet:

  1. I aim to restrict the user to only one mat-chip. I attempted using 
    [disabled]="selectedOption >=1"
    , but I do not want to disable the remove function, allowing users to replace the chip if they wish.
  2. In the second input text box, I would like to insert a line break as the content overflows horizontally upon typing.
  3. For the second input text box, I prefer the text input to start from the top rather than the middle.
  4. Is there a way to hide the placeholder for the second input text until something is entered in the first input?

If anyone could assist me with these challenges, it would be greatly appreciated.

Thank you in advance for your help.

javascriptangulartypescriptangular-materialmat-chip

Answer №1

The second problem was a bit challenging for me to grasp, but I managed to solve the rest. You can find my solutions here.

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