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Failed to copy with DOMException document not focused in latest firefox / chrome. #38

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xpoh434 opened this issue Jul 12, 2021 · 0 comments

xpoh434 commented Jul 12, 2021 •

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It failed to copy to clipboard with DOMException document not focused in latest firefox / chrome.

It seems to me the root clause is at the

use-clippy/src/use-clippy.ts

Line 112 in 4a92a6c

const write = (text: string): void => {

defocused the document and after it failed, it try the clipboard API which throws the DOMException.

It seems it works if I restore the original focus:

const write = (text: string): void => {
  const textArea: HTMLTextAreaElement = createTextArea();
  const curActiveElement = document.activeElement as HTMLElement
  textArea.value = text;
  textArea.select();
  const success: boolean = document.execCommand('copy');
  removeElement(textArea);
  if(curActiveElement) curActiveElement.focus()
  if (!success) {
    throw NOT_ALLOWED_ERROR;
  }
};

I guess similar problem exists for reading the clipboard but I did not use / test it.

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