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/*
This module provides easy access to the CSRF token and caches
it for re-use. It also exposes some values commonly used in relation
to the CSRF token (header key and headers object).
If you need to refresh the csrfToken for some reason, just call `init` and
then use the accessors as you would normally.
If you need to compose a headers object, use the spread operator:
```
headers: {
...csrf.headers,
someOtherHeader: '12345',
}
```
*/
const csrf = {
init() {
const tokenEl = document.querySelector('meta[name=csrf-token]');
if (tokenEl !== null) {
this.csrfToken = tokenEl.getAttribute('content');
} else {
this.csrfToken = null;
}
},
get token() {
return this.csrfToken;
},
get headerKey() {
return 'X-CSRF-Token';
},
get headers() {
if (this.csrfToken !== null) {
return {
[this.headerKey]: this.token,
};
}
return {};
},
};
csrf.init();
// use our cached token for any $.rails-generated AJAX requests
if ($.rails) {
$.rails.csrfToken = () => csrf.token;
}
export default csrf;
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