https://science.org.au/modules/contrib/recaptcha_v3/js/recaptcha_v3.js?tlurmx

1/* cspell:ignore grecaptcha */
2/* global grecaptcha */
3
4/**
5 * @file
6 * Recaptcha v3 behaviors.
7 */
8
9(($, Drupal) => {
10  function doUpdateTokenElement(element) {
11    const $element = $(element);
12
13    grecaptcha.ready(() => {
14      if (!element) {
15        return;
16      }
17
18      grecaptcha
19        .execute($element.data('recaptchaV3SiteKey'), {
20          action: $element.data('recaptchaV3Action'),
21        })
22        .then((token) => {
23          $element[0].value = token;
24          $element.trigger('change');
25        });
26    });
27  }
28
29  function updateTokenElement(element) {
30    let timer;
31    // Wait for grecaptcha to be loaded.
32    if (typeof grecaptcha === 'undefined') {
33      timer = setInterval(() => {
34        if (typeof grecaptcha !== 'undefined' || !element) {
35          clearInterval(timer);
36
37          if (element) {
38            doUpdateTokenElement(element);
39          }
40        }
41      }, 500);
42    } else {
43      doUpdateTokenElement(element);
44    }
45  }
46
47  /**
48   * Attach recaptcha response token from google with form.
49   *
50   * @type {{attach: Drupal.behaviors.reCaptchaV3.attach}}
51   */
52  Drupal.behaviors.reCaptchaV3 = {
53    attach: (context) => {
54      once('recaptcha-v3-token', '.recaptcha-v3-token', context).forEach(
55        (element) => {
56          updateTokenElement(element);
57          // Update the recaptcha tokens every 90 seconds.
58          // This seems to be the most robust way to always have valid recaptcha
59          // tokens when you don't have control over how the forms are being
60          // submitted. For example normal form submits are synchronous while
61          // Google Recaptcha v3 is asynchronous.
62          // A recaptcha token has a maximum lifetime of 120 seconds.
63          // https://developers.google.com/recaptcha/docs/v3
64          const interval = setInterval(() => {
65            if (!element) {
66              clearInterval(interval);
67            } else {
68              updateTokenElement(element);
69            }
70          }, 90000);
71        },
72      );
73    },
74  };
75})(jQuery, Drupal);