how to translate string in a component using react-i18next?

Question

i have a dropdown menu that lists say option1, option2 and option3. i would like to translate these options using react-i18next. I am new to translations and using this framework.

Below is the code,

export default class Example extends React.Component {
    render() {
        return (
            <ParentComponent>
                <button type="button">
                    {this.props.placeholder}
                </button>
                {this.props.values.map(value => (
                    <Item
                        key={value[this.props.value_prop]}
                        value={value}
                        on_select={this.change}>
                        {value[this.props.label_prop]} // i want to 
                        translate this
                    </Item>
                ))}
            </ParentComponent>
        );
}

Could someone provide an idea of how to go about this...or help me solve this. thanks.

AdamGold · Accepted Answer · 2019-06-04 11:36:45Z

react-i18next contains pretty good documentation and they also offer some examples.

You basically need to wrap your componenent in a withTranslation wrapper and use the t props:

import { useTranslation, withTranslation, Trans } from 'react-i18next';
import logo from './logo.svg';
import './App.css';

// use hoc for class based components
class LegacyWelcomeClass extends Component {
  render() {
    const { t, i18n } = this.props;
    return <h2>{t('title')}</h2>;
  }
}
const Welcome = withTranslation()(LegacyWelcomeClass);

You haven't posted your full component code, but here's how it should look like:

class CompClass extends Component {
    render() {
        const { t, i18n } = this.props;
        return (
            <ParentComponent>
                <button type="button">
                    {this.props.placeholder}
                </button>
                {this.props.values.map(value => (
                    <Item
                        key={value[this.props.value_prop]}
                        value={value}
                        on_select={this.change}>
                        {t(value[this.props.label_prop])} // i want to translate this
                    </Item>
                ))}
            </ParentComponent>
        );
    }
}

const Comp = withTranslation()(CompClass);

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