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				https://github.com/go-gitea/gitea
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	See the comment. And due to the abuse, there is a regression: when the modal is hidden, the form will be reset and it can't submit. This PR fixes all problems: keep the modal with form open, and add "loading" indicator.
		
			
				
	
	
		
			64 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import $ from 'jquery';
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import type {FomanticInitFunction} from '../../types.ts';
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import {queryElems} from '../../utils/dom.ts';
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import {hideToastsFrom} from '../toast.ts';
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const fomanticModalFn = $.fn.modal;
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// use our own `$.fn.modal` to patch Fomantic's modal module
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export function initAriaModalPatch() {
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  if ($.fn.modal === ariaModalFn) throw new Error('initAriaModalPatch could only be called once');
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  $.fn.modal = ariaModalFn;
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  (ariaModalFn as FomanticInitFunction).settings = fomanticModalFn.settings;
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  $.fn.fomanticExt.onModalBeforeHidden = onModalBeforeHidden;
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  $.fn.modal.settings.onApprove = onModalApproveDefault;
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}
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// the patched `$.fn.modal` modal function
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// * it does the one-time attaching on the first call
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function ariaModalFn(this: any, ...args: Parameters<FomanticInitFunction>) {
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  const ret = fomanticModalFn.apply(this, args);
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  if (args[0] === 'show' || args[0]?.autoShow) {
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    for (const el of this) {
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      // If there is a form in the modal, there might be a "cancel" button before "ok" button (all buttons are "type=submit" by default).
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      // In such case, the "Enter" key will trigger the "cancel" button instead of "ok" button, then the dialog will be closed.
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      // It breaks the user experience - the "Enter" key should confirm the dialog and submit the form.
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      // So, all "cancel" buttons without "[type]" must be marked as "type=button".
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      for (const button of el.querySelectorAll('form button.cancel:not([type])')) {
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        button.setAttribute('type', 'button');
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      }
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    }
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  }
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  return ret;
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}
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function onModalBeforeHidden(this: any) {
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  const $modal = $(this);
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  const elModal = $modal[0];
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  hideToastsFrom(elModal.closest('.ui.dimmer') ?? document.body);
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  // reset the form after the modal is hidden, after other modal events and handlers (e.g. "onApprove", form submit)
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  setTimeout(() => {
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    queryElems(elModal, 'form', (form: HTMLFormElement) => form.reset());
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  }, 0);
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}
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function onModalApproveDefault(this: any) {
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  const $modal = $(this);
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  const selectors = $modal.modal('setting', 'selector');
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  const elModal = $modal[0];
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  const elApprove = elModal.querySelector(selectors.approve);
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  const elForm = elApprove?.closest('form');
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  if (!elForm) return true; // no form, just allow closing the modal
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  // "form-fetch-action" can handle network errors gracefully,
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  // so keep the modal dialog to make users can re-submit the form if anything wrong happens.
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  if (elForm.matches('.form-fetch-action')) return false;
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  // There is an abuse for the "modal" + "form" combination, the "Approve" button is a traditional form submit button in the form.
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  // Then "approve" and "submit" occur at the same time, the modal will be closed immediately before the form is submitted.
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  // So here we prevent the modal from closing automatically by returning false, add the "is-loading" class to the form element.
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  elForm.classList.add('is-loading');
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  return false;
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}
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