philomena/assets/js/captcha.ts

import { assertNotNull } from './utils/assert';
import { delegate, leftClick } from './utils/events';
import { clearEl, makeEl } from './utils/dom';

function insertCaptcha(_event: Event, target: HTMLInputElement) {
  const parentElement = assertNotNull(target.parentElement);

  const script = makeEl('script', {src: 'https://hcaptcha.com/1/api.js', async: true, defer: true});
  const frame = makeEl('div', {className: 'h-captcha'});

  frame.dataset.sitekey = target.dataset.sitekey;

  clearEl(parentElement);

  parentElement.insertAdjacentElement('beforeend', frame);
  parentElement.insertAdjacentElement('beforeend', script);
}

export function bindCaptchaLinks() {
  delegate(document, 'click', {'.js-captcha': leftClick(insertCaptcha)});
}