BookStack/resources/js/components/submit-on-change.js

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import {Component} from './component';
/**
* Submit on change
* Simply submits a parent form when this input is changed.
*/
export class SubmitOnChange extends Component {
setup() {
this.filter = this.$opts.filter;
this.$el.addEventListener('change', event => {
if (this.filter && !event.target.matches(this.filter)) {
return;
}
const form = this.$el.closest('form');
if (form) {
form.submit();
}
});
}
}