How can I use TypeScript to copy data from the clipboard with a button click?

One of the functionalities I have implemented is copying data to the clipboard with a button press. However, I am now looking to achieve the same behavior for pasting data from the clipboard. Currently, the paste event only works when interacting with an input field or text area, but I need it to work seamlessly with a button click.

I attempted to utilize window.clipboardData for this purpose, but unfortunately, it did not recognize it. Is there a way to trigger the Paste event through a button press?

 Copy(val) {
    const selBox = document.createElement('textarea');
     selBox.style.position = 'fixed';
     selBox.style.left = '0';
     selBox.style.top = '0';
     selBox.style.opacity = '0';
     selBox.value = val;

     document.body.appendChild(selBox);
     selBox.focus();
     selBox.select();

     document.execCommand('copy');
     document.body.removeChild(selBox);
     this.icon = 'checkmark';
     this.copyButtonText = 'Copied!';
     this.tooltip = true;
 }

my html

   <button #copyButton [icon]='this.icon' (click)="Copy(this.text)">{{copyButtonText}}</button>    
   <textarea [disabled]="true"> {{this.text}} </textarea>

Answer №1

If you're looking to accomplish this task, utilizing the window selection handler is the optimal approach.

let copiedText:string = "" // variable to store copied text

window.addEventListener('copy', (e:ClipboardEvent) => {
  copiedText = window.getSelection().toString();
  // the text content of what's been copied will be stored in the copiedText variable
});

// now, upon pressing the button, you can access the clipboard data
buttonElement.addEventListener('click', () => {
  // paste your content
  textareaElement.value = copiedText;
});

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