Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
238 views
in Technique[技术] by (71.8m points)

reactjs - i try to create authorization hoc which one rendering component if token in localstorage

here is mine hoc for authorization code, its working correct only with one delay I need to refresh page to show component and flow is like this login page is sending post request in backend and geting jwt im saving generated token from backend in localstorage but hoc is no more colled after saving token in localstorage

    const WithToken = (Component) => {
    return class WrappedComponent extends React.Component {
        constructor() {
            super();
            this.state = {
                isAuthenticated: false
            }
        }

        componentDidMount() {
            const token = methods.getTokenFromLS();
            if (token !== null) {
                this.setState({ isAuthenticated: true });
            }
        }

        render() {
            if (this.state.isAuthenticated) {
                return (
                    <Component />
                )
            } else {
                return (
                    <Login />
                )
            }
        }

    }
}

export { WithToken };

here is App.js component

import { Route, Switch } from 'react-router-dom';
import { withRouter } from 'react-router-dom';
import { WithToken } from './helpers/WithToken';
import { methods } from './helpers/helperMethods';
import { Data } from './components/Data/Data';
import './App.css';
import { Login } from './components/authorization/Login/Login';

const App = () => {

  return (
    <div className='App'>
      <Switch>
        <Route exact path='/' component={WithToken(Data)} />
      </Switch>
    </div>
  )
}

export default withRouter(App);

login.js

const Login = () => {
const [colorTheme, setTheme] = useState(false);
const [fieldsConfig, setValue] = useState(authFieldsConfig);

const handleChange = (event) => {
    setTheme(event.target.checked);
};

const onHandleChange = (value, id) => {
    setValue(prevState => {
        const newState = [...prevState];
        const index = newState.findIndex(element => element.id === id);
        newState[index].value = value;
        return newState;
    });
};

const fieldsValidation = () => {
    const newState = [...fieldsConfig];
    for (let i = 0; i < newState.length; i++) {
        if (newState[i].value.length < newState[i].valueLength) {
            return setValue(() => {
                newState[i].error = true;
                return newState;
            });
        };
    };
    return authorizeUser();
};

const authorizeUser = () => {
    const [email, password] = [...fieldsConfig];

    axios.post(`${methods.localHost}login`, { email: email.value, password: password.value })
        .then(res => {
            if (res.data.data.token) {
                return methods.setTokenInLS(res.data.data.token);
            };
        })
        .catch(err => {
            console.log('err', err);
        })
};

return (
    <div style={colorTheme ? themeMode.dark : themeMode.light}>
        <h1 style={colorTheme ? themeMode.h1.dark : themeMode.h1.light}>Login</h1>
        <div className={colorTheme ? 'item-wrapper-dark' : 'item-wrapper'}>
            <div className='switch-wrapper'>
                <Switch
                    checked={colorTheme}
                    onChange={handleChange}
                    name="colorTheme"
                    color="primary"
                />
            </div>
            <div className='inputs-wrapper'>
                {fieldsConfig.map(element => {
                    return <TextField
                        key={element.id}
                        id={element.id}
                        type={element.type}
                        value={element.value}
                        onChange={e => onHandleChange(e.target.value, e.target.id)}
                        label={element.label}
                        InputProps={element.startAdornment}
                        error={element.error}
                    />
                })}
                <Button
                    variant="contained"
                    color="primary"
                    onClick={fieldsValidation}
                >
                    Sign in
                </Button>
                <RegistrationDash />
            </div>
        </div>
    </div>
);

};


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)
等待大神答复

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...