accounts-frontend/packages/app/components/ui/form/Captcha.tsx

import React from 'react';
import clsx from 'clsx';
import { CaptchaID } from 'app/services/captcha';
import { Skin } from 'app/components/ui';
import captcha from 'app/services/captcha';
import logger from 'app/services/logger';
import { ComponentLoader } from 'app/components/ui/loader';

import styles from './form.scss';
import FormInputComponent from './FormInputComponent';

export default class Captcha extends FormInputComponent<
    {
        delay: number;
        skin: Skin;
    },
    {
        code: string;
    }
> {
    elRef = React.createRef<HTMLDivElement>();
    captchaId: CaptchaID;

    static defaultProps = {
        skin: 'dark',
        delay: 0,
    };

    componentDidMount() {
        setTimeout(() => {
            const { current: el } = this.elRef;

            el &&
                captcha
                    .render(el, {
                        skin: this.props.skin,
                        onSetCode: this.setCode,
                    })
                    .then((captchaId) => {
                        this.captchaId = captchaId;
                    })
                    .catch((error) => {
                        logger.error('Failed rendering captcha', {
                            error,
                        });
                    });
        }, this.props.delay);
    }

    render() {
        const { skin } = this.props;

        return (
            <div className={styles.captchaContainer}>
                <div className={styles.captchaLoader}>
                    <ComponentLoader />
                </div>

                <div ref={this.elRef} className={clsx(styles.captcha, styles[`${skin}Captcha`])} />

                {this.renderError()}
            </div>
        );
    }

    reset() {
        captcha.reset(this.captchaId);
    }

    getValue() {
        return this.state && this.state.code;
    }

    onFormInvalid() {
        this.reset();
    }

    setCode = (code: string) => this.setState({ code });
}