GCTC-NTGC / TalentCloud

export async function copyToClipboard(event, text: string): Promise<void> {

  if (event.clipboardData && event.clipboardData.setData) {

    // IE specific code path to prevent textarea being shown while dialog is visible.

    return event.clipboardData.setData("Text", text);

  }

  if (

    document.queryCommandSupported &&

    document.queryCommandSupported("copy")

  ) {

    const textarea = document.createElement("textarea");

    textarea.textContent = text;

    textarea.style.position = "fixed"; // Prevent scrolling to bottom of page in MS Edge.

    document.body.appendChild(textarea);

    textarea.select();

    try {

      document.execCommand("copy"); // Security exception may be thrown by some browsers.

      return Promise.resolve();

    } catch (ex) {

      console.warn("Copy to clipboard failed.", ex);

      return Promise.reject();

    } finally {

      document.body.removeChild(textarea);

    }

  }

  return Promise.reject();

}

export function copyElementContents(el: Element): void {

  const documentIEBody = document.body as any;

  let range;

  let sel;

  if (document.createRange && window.getSelection) {

    range = document.createRange();

    sel = window.getSelection();

    sel.removeAllRanges();

    try {

      range.selectNodeContents(el);

      sel.addRange(range);

    } catch (e) {

      range.selectNode(el);

      sel.addRange(range);

    }

    // createTextRange is IE only

  } else if (documentIEBody.createTextRange) {

    range = documentIEBody.createTextRange();

    range.moveToElementText(el);

    range.select();

  }

  document.execCommand("copy");

}