blob: f546eef7d848830a64db2caa221d6e4d34220322 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// NOTE: This module will be used in https://gitlab.com/gitlab-org/gitlab/-/merge_requests/52044
import { memoize } from 'lodash';
export const RECAPTCHA_API_URL_PREFIX = 'https://www.google.com/recaptcha/api.js';
export const RECAPTCHA_ONLOAD_CALLBACK_NAME = 'recaptchaOnloadCallback';
/**
* Adds the Google reCAPTCHA script tag to the head of the document, and
* returns a promise of the grecaptcha object
* (https://developers.google.com/recaptcha/docs/display#js_api).
*
* It is memoized, so there will only be one instance of the script tag ever
* added to the document.
*
* See the reCAPTCHA documentation for more details:
*
* https://developers.google.com/recaptcha/docs/display#explicit_render
*
*/
export const initRecaptchaScript = memoize(() => {
// Appends the the reCAPTCHA script tag to the head of document
const appendRecaptchaScript = () => {
const script = document.createElement('script');
script.src = `${RECAPTCHA_API_URL_PREFIX}?onload=${RECAPTCHA_ONLOAD_CALLBACK_NAME}&render=explicit`;
script.classList.add('js-recaptcha-script');
document.head.appendChild(script);
};
return new Promise((resolve) => {
// This global callback resolves the Promise and is passed by name to the reCAPTCHA script.
window[RECAPTCHA_ONLOAD_CALLBACK_NAME] = () => {
// Let's clean up after ourselves. This is also important for testing, because `window` is NOT cleared between tests.
// https://github.com/facebook/jest/issues/1224#issuecomment-444586798.
delete window[RECAPTCHA_ONLOAD_CALLBACK_NAME];
resolve(window.grecaptcha);
};
appendRecaptchaScript();
});
});
/**
* Clears the cached memoization of the default manager.
*
* This is needed for determinism in tests.
*/
export const clearMemoizeCache = () => {
initRecaptchaScript.cache.clear();
};
|
