Errors encountered by react appliMiddleware in introducing redux-thunk Middleware

import reducer from". / reducer";
import {createStore, compose, applyMiddleware} from "redux";
import thunk from" react-thunk";

const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ | | compose;

const enhancer = composeEnhancers (

)
applyMiddleware(thunk),

);

const store = createStore (reducer, enhancer);

export default store;

there is an error in this code
TypeError: Cannot call a class as a function
_ classCallCheck
34 |
35 | function _ classCallCheck (instance, Constructor) {
36 | if (! (instance instanceof Constructor)) {

37 | throw new TypeError ("Cannot call a class as a function");
38 |}
39 |}
40 |

77 | _ inherits (ReactThunk, _ React$Component);
78 |
79 | function ReactThunk (props) {

80 | _ classCallCheck (this, ReactThunk);
 | ^  81 | 

82 | var _ this = _ possibleConstructorReturn (this, Object.getPrototypeOf (ReactThunk) .call (this, props));

this error, find the solution

May.11,2022

when defining composeEnhancers

const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || () => {};
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b32625-2be02.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32625-2be02.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?