@gechiui/compose/build-module/hooks/use-copy-to-clipboard/index.js

GeChiUI higher-order components (HOCs).

/**
 * External dependencies
 */
import Clipboard from 'clipboard';
/**
 * GeChiUI dependencies
 */

import { useRef } from '@gechiui/element';
/**
 * Internal dependencies
 */

import useRefEffect from '../use-ref-effect';
/**
 * @template T
 * @param {T} value
 * @return {import('react').RefObject<T>} The updated ref
 */

function useUpdatedRef(value) {
  const ref = useRef(value);
  ref.current = value;
  return ref;
}
/**
 * Copies the given text to the clipboard when the element is clicked.
 *
 * @template {HTMLElement} TElementType
 * @param {string | (() => string)} text      The text to copy. Use a function if not
 *                                            already available and expensive to compute.
 * @param {Function}                onSuccess Called when to text is copied.
 *
 * @return {import('react').Ref<TElementType>} A ref to assign to the target element.
 */


export default function useCopyToClipboard(text, onSuccess) {
  // Store the dependencies as refs and continuesly update them so they're
  // fresh when the callback is called.
  const textRef = useUpdatedRef(text);
  const onSuccessRef = useUpdatedRef(onSuccess);
  return useRefEffect(node => {
    // Clipboard listens to click events.
    const clipboard = new Clipboard(node, {
      text() {
        return typeof textRef.current === 'function' ? textRef.current() : textRef.current || '';
      }

    });
    clipboard.on('success', _ref => {
      let {
        clearSelection
      } = _ref;
      // Clearing selection will move focus back to the triggering
      // button, ensuring that it is not reset to the body, and
      // further that it is kept within the rendered node.
      clearSelection(); // Handle ClipboardJS focus bug, see
      // https://github.com/zenorocha/clipboard.js/issues/680

      node.focus();

      if (onSuccessRef.current) {
        onSuccessRef.current();
      }
    });
    return () => {
      clipboard.destroy();
    };
  }, []);
}
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