Removed duplicated code by creating a helper function

src/servers/CreateServer.js

@@ -3,13 +3,16 @@ import React from 'react';
 import { connect } from 'react-redux';
 import { v4 as uuid } from 'uuid';
 import PropTypes from 'prop-types';
+import { stateFlagTimeout } from '../utils/utils';
 import { resetSelectedServer } from './reducers/selectedServer';
 import { createServer } from './reducers/server';
 import './CreateServer.scss';
 import ImportServersBtn from './helpers/ImportServersBtn';
 
 const SHOW_IMPORT_MSG_TIME = 4000;
-const propTypes = {
+
+export class CreateServerComponent extends React.Component {
+  static propTypes = {
     createServer: PropTypes.func,
     history: PropTypes.shape({
       push: PropTypes.func,
@@ -17,7 +20,6 @@ const propTypes = {
     resetSelectedServer: PropTypes.func,
   };
 
-export class CreateServerComponent extends React.Component {
   state = {
     name: '',
     url: '',
@@ -71,10 +73,7 @@ export class CreateServerComponent extends React.Component {
 
           <div className="text-right">
             <ImportServersBtn
-              onImport={() => {
-                this.setState({ serversImported: true });
-                setTimeout(() => this.setState({ serversImported: false }), SHOW_IMPORT_MSG_TIME);
-              }}
+              onImport={() => stateFlagTimeout(this.setState.bind(this), 'serversImported', true, SHOW_IMPORT_MSG_TIME)}
             />
             <button className="btn btn-outline-primary">Create server</button>
           </div>
@@ -94,8 +93,6 @@ export class CreateServerComponent extends React.Component {
   }
 }
 
-CreateServerComponent.propTypes = propTypes;
-
 const CreateServer = connect(
   pick([ 'selectedServer' ]),
   { createServer, resetSelectedServer }

src/short-urls/helpers/CreateShortUrlResult.js

@@ -6,10 +6,9 @@ import { CopyToClipboard } from 'react-copy-to-clipboard';
 import { Card, CardBody, Tooltip } from 'reactstrap';
 import PropTypes from 'prop-types';
 import { createShortUrlResultType } from '../reducers/shortUrlCreationResult';
+import { stateFlagTimeout } from '../../utils/utils';
 import './CreateShortUrlResult.scss';
 
-const TIME_TO_SHOW_COPY_TOOLTIP = 2000;
-
 const propTypes = {
   resetCreateShortUrl: PropTypes.func,
   error: PropTypes.bool,
@@ -38,10 +37,7 @@ export default class CreateShortUrlResult extends React.Component {
     }
 
     const { shortUrl } = result;
-    const onCopy = () => {
-      this.setState({ showCopyTooltip: true });
-      setTimeout(() => this.setState({ showCopyTooltip: false }), TIME_TO_SHOW_COPY_TOOLTIP);
-    };
+    const onCopy = () => stateFlagTimeout(this.setState.bind(this), 'showCopyTooltip');
 
     return (
       <Card inverse className="bg-main mt-3">

src/short-urls/helpers/ShortUrlsRow.js

@@ -7,11 +7,10 @@ import { shortUrlsListParamsType } from '../reducers/shortUrlsListParams';
 import { serverType } from '../../servers/prop-types';
 import ExternalLink from '../../utils/ExternalLink';
 import { shortUrlType } from '../reducers/shortUrlsList';
+import { stateFlagTimeout } from '../../utils/utils';
 import { ShortUrlsRowMenu } from './ShortUrlsRowMenu';
 import './ShortUrlsRow.scss';
 
-const COPIED_MSG_TIME = 2000;
-
 const propTypes = {
   refreshList: PropTypes.func,
   shortUrlsListParams: shortUrlsListParamsType,
@@ -67,10 +66,7 @@ export class ShortUrlsRow extends React.Component {
             completeShortUrl={completeShortUrl}
             selectedServer={selectedServer}
             shortUrl={shortUrl}
-            onCopyToClipboard={() => {
-              this.setState({ copiedToClipboard: true });
-              setTimeout(() => this.setState({ copiedToClipboard: false }), COPIED_MSG_TIME);
-            }}
+            onCopyToClipboard={() => stateFlagTimeout(this.setState.bind(this), 'copiedToClipboard')}
           />
         </td>
       </tr>

src/utils/utils.js

@@ -0,0 +1,6 @@
+const DEFAULT_TIMEOUT_DELAY = 2000;
+
+export const stateFlagTimeout = (setState, flagName, initialValue = true, delay = DEFAULT_TIMEOUT_DELAY) => {
+  setState({ [flagName]: initialValue });
+  setTimeout(() => setState({ [flagName]: !initialValue }), delay);
+};