fix(prejoin): copy meeting info

react/features/base/premeeting/components/web/CopyMeetingUrl.js

 import { translate } from '../../../i18n';
 import { Icon, IconCopy, IconCheck } from '../../../icons';
 import { connect } from '../../../redux';
-import logger from '../../logger';
+import { copyText } from '../../../util';
 
 type Props = {
 
  */
 class CopyMeetingUrl extends Component<Props, State> {
 
-    textarea: Object;
-
     /**
      * Initializes a new {@code Prejoin} instance.
      *
     constructor(props) {
         super(props);
 
-        this.textarea = React.createRef();
         this.state = {
             showCopyLink: false,
             showLinkCopied: false
      * @returns {void}
      */
     _copyUrl() {
-        const textarea = this.textarea.current;
+        const success = copyText(this.props.url);
 
-        try {
-            textarea.select();
-            document.execCommand('copy');
-            textarea.blur();
+        if (success) {
             this._showLinkCopied();
             window.setTimeout(this._hideLinkCopied, COPY_TIMEOUT);
-        } catch (err) {
-            logger.error('error when copying the meeting url');
         }
     }
 
                         size = { 24 }
                         src = { src } />
                 </div>
-                <textarea
-                    readOnly = { true }
-                    ref = { this.textarea }
-                    tabIndex = '-1'
-                    value = { url } />
             </div>
         );
     }

react/features/base/util/helpers.js

     return to;
 }
 
+/**
+ * Tries to copy a given text to the clipboard.
+ * Returns true if the action succeeds.
+ *
+ * @param {string} textToCopy - Text to be copied.
+ * @returns {boolean}
+ */
+export function copyText(textToCopy: string) {
+    const fakeTextArea = document.createElement('textarea');
+    let result;
+
+    // $FlowFixMe
+    document.body.appendChild(fakeTextArea);
+    fakeTextArea.value = textToCopy;
+    fakeTextArea.select();
+
+    try {
+        result = document.execCommand('copy');
+    } catch (err) {
+        result = false;
+    }
+
+    // $FlowFixMe
+    document.body.removeChild(fakeTextArea);
+
+    return result;
+}
+
 /**
  * Creates a deferred object.
  *

react/features/invite/components/add-people-dialog/web/CopyMeetingLinkSection.js

 
 import { translate } from '../../../../base/i18n';
 import { Icon, IconCheck, IconCopy } from '../../../../base/icons';
+import { copyText } from '../../../../base/util';
 
-import { copyText } from './utils';
 
 type Props = {
 

react/features/invite/components/add-people-dialog/web/DialInNumber.js

 
 import { translate } from '../../../../base/i18n';
 import { Icon, IconCopy } from '../../../../base/icons';
+import { copyText } from '../../../../base/util';
 import { _formatConferenceIDPin } from '../../../_utils';
 
-import { copyText } from './utils';
-
 /**
  * The type of the React {@code Component} props of {@link DialInNumber}.
  */

react/features/invite/components/add-people-dialog/web/InviteByEmailSection.js

     IconOutlook,
     IconYahoo
 } from '../../../../base/icons';
-import { openURLInBrowser } from '../../../../base/util';
-
-import { copyText } from './utils';
+import { copyText, openURLInBrowser } from '../../../../base/util';
 
 type Props = {
 

react/features/invite/components/add-people-dialog/web/LiveStreamSection.js

 
 import { translate } from '../../../../base/i18n';
 import { Icon, IconCheck, IconCopy } from '../../../../base/icons';
-
-import { copyText } from './utils';
+import { copyText } from '../../../../base/util';
 
 type Props = {
 

react/features/invite/components/add-people-dialog/web/index.js

 // @flow
 
 export { default as AddPeopleDialog } from './AddPeopleDialog';
-export * from './utils';

react/features/invite/components/add-people-dialog/web/utils.js

-// @flow
-
-/**
- * Tries to copy a given text to the clipboard.
- *
- * @param {string} textToCopy - Text to be copied.
- * @returns {boolean}
- */
-export function copyText(textToCopy: string) {
-    const fakeTextArea = document.createElement('textarea');
-
-    // $FlowFixMe
-    document.body.appendChild(fakeTextArea);
-    fakeTextArea.value = textToCopy;
-    fakeTextArea.select();
-
-    const result = document.execCommand('copy');
-
-    // $FlowFixMe
-    document.body.removeChild(fakeTextArea);
-
-    return result;
-}