@mui/x-data-grid/hooks/features/clipboard/useGridClipboard.js

The community edition of the data grid component (MUI X).

import * as React from 'react';
import { useGridApiMethod, useGridNativeEventListener } from '../../utils';

function writeToClipboardPolyfill(data) {
  const span = document.createElement('span');
  span.style.whiteSpace = 'pre';
  span.style.userSelect = 'all';
  span.style.opacity = '0px';
  span.textContent = data;
  document.body.appendChild(span);
  const range = document.createRange();
  range.selectNode(span);
  const selection = window.getSelection();
  selection.removeAllRanges();
  selection.addRange(range);

  try {
    document.execCommand('copy');
  } finally {
    document.body.removeChild(span);
  }
}
/**
 * @requires useGridCsvExport (method)
 * @requires useGridSelection (method)
 */


export const useGridClipboard = apiRef => {
  const copySelectedRowsToClipboard = React.useCallback((includeHeaders = false) => {
    if (apiRef.current.getSelectedRows().size === 0) {
      return;
    }

    const data = apiRef.current.getDataAsCsv({
      includeHeaders,
      delimiter: '\t'
    });

    if (navigator.clipboard) {
      navigator.clipboard.writeText(data).catch(() => {
        writeToClipboardPolyfill(data);
      });
    } else {
      writeToClipboardPolyfill(data);
    }
  }, [apiRef]);
  const handleKeydown = React.useCallback(event => {
    var _window$getSelection;

    const isModifierKeyPressed = event.ctrlKey || event.metaKey || event.altKey; // event.key === 'c' is not enough as alt+c can lead to ©, ç, or other characters on macOS.
    // event.code === 'KeyC' is not enough as event.code assume a QWERTY keyboard layout which would
    // be wrong with a Dvorak keyboard (as if pressing J).

    if (String.fromCharCode(event.keyCode) !== 'C' || !isModifierKeyPressed) {
      return;
    } // Do nothing if there's a native selection


    if (((_window$getSelection = window.getSelection()) == null ? void 0 : _window$getSelection.toString()) !== '') {
      return;
    }

    apiRef.current.unstable_copySelectedRowsToClipboard(event.altKey);
  }, [apiRef]);
  useGridNativeEventListener(apiRef, apiRef.current.rootElementRef, 'keydown', handleKeydown);
  const clipboardApi = {
    unstable_copySelectedRowsToClipboard: copySelectedRowsToClipboard
  };
  useGridApiMethod(apiRef, clipboardApi, 'GridClipboardApi');
};