Forbid jQuery `.prop` and fix related issues (#29832)

The issue checkbox code received a few more cleanups and I specifically
tested it. The other changes are trivial. Also, I checked the cases for
how many elements match the jQuery selection to determine querySelector
vs. querySelectorAll.

---------

Co-authored-by: Giteabot <teabot@gitea.io>
(cherry picked from commit 21fe512aac42c9ce3440b8eaae6b2cb2116a0e50)

5 files changed, 35 insertions, 25 deletions

diff --git a/web_src/js/features/admin/common.js b/web_src/js/features/admin/common.js
index 5354216e3d..31d840c3e1 100644
--- a/web_src/js/features/admin/common.js
+++ b/web_src/js/features/admin/common.js
@@ -49,7 +49,7 @@ export function initAdminCommon() {
   }
 
   function onUsePagedSearchChange() {
-    if ($('#use_paged_search').prop('checked')) {
+    if (document.getElementById('use_paged_search').checked) {
       showElem('.search-page-size');
       $('.search-page-size').find('input').attr('required', 'required');
     } else {
diff --git a/web_src/js/features/comp/LabelEdit.js b/web_src/js/features/comp/LabelEdit.js
index 2e7e1df669..26800ae05c 100644
--- a/web_src/js/features/comp/LabelEdit.js
+++ b/web_src/js/features/comp/LabelEdit.js
@@ -14,7 +14,7 @@ function updateExclusiveLabelEdit(form) {
   if (isExclusiveScopeName($nameInput.val())) {
     $exclusiveField.removeClass('muted');
     $exclusiveField.removeAttr('aria-disabled');
-    if ($exclusiveCheckbox.prop('checked') && $exclusiveCheckbox.data('exclusive-warn')) {
+    if ($exclusiveCheckbox[0].checked && $exclusiveCheckbox.data('exclusive-warn')) {
       $exclusiveWarning.removeClass('gt-hidden');
     } else {
       $exclusiveWarning.addClass('gt-hidden');
@@ -50,10 +50,10 @@ export function initCompLabelEdit(selector) {
     $nameInput.val($(this).data('title'));
 
     const $isArchivedCheckbox = $('.edit-label .label-is-archived-input');
-    $isArchivedCheckbox.prop('checked', this.hasAttribute('data-is-archived'));
+    $isArchivedCheckbox[0].checked = this.hasAttribute('data-is-archived');
 
     const $exclusiveCheckbox = $('.edit-label .label-exclusive-input');
-    $exclusiveCheckbox.prop('checked', this.hasAttribute('data-exclusive'));
+    $exclusiveCheckbox[0].checked = this.hasAttribute('data-exclusive');
     // Warn when label was previously not exclusive and used in issues
     $exclusiveCheckbox.data('exclusive-warn',
       $(this).data('num-issues') > 0 &&
diff --git a/web_src/js/features/repo-editor.js b/web_src/js/features/repo-editor.js
index fea98e2df8..ba00573c07 100644
--- a/web_src/js/features/repo-editor.js
+++ b/web_src/js/features/repo-editor.js
@@ -67,10 +67,10 @@ export function initRepoEditor() {
   $('.js-quick-pull-choice-option').on('change', function () {
     if ($(this).val() === 'commit-to-new-branch') {
       showElem($('.quick-pull-branch-name'));
-      $('.quick-pull-branch-name input').prop('required', true);
+      document.querySelector('.quick-pull-branch-name input').required = true;
     } else {
       hideElem($('.quick-pull-branch-name'));
-      $('.quick-pull-branch-name input').prop('required', false);
+      document.querySelector('.quick-pull-branch-name input').required = false;
     }
     $('#commit-button').text($(this).attr('button_text'));
   });
@@ -135,13 +135,13 @@ export function initRepoEditor() {
 
     // Using events from https://github.com/codedance/jquery.AreYouSure#advanced-usage
     // to enable or disable the commit button
-    const $commitButton = $('#commit-button');
+    const commitButton = document.getElementById('commit-button');
     const $editForm = $('.ui.edit.form');
     const dirtyFileClass = 'dirty-file';
 
     // Disabling the button at the start
     if ($('input[name="page_has_posted"]').val() !== 'true') {
-      $commitButton.prop('disabled', true);
+      commitButton.disabled = true;
     }
 
     // Registering a custom listener for the file path and the file content
@@ -151,7 +151,7 @@ export function initRepoEditor() {
       fieldSelector: ':input:not(.commit-form-wrapper :input)',
       change() {
         const dirty = $(this).hasClass(dirtyFileClass);
-        $commitButton.prop('disabled', !dirty);
+        commitButton.disabled = !dirty;
       },
     });
 
@@ -163,7 +163,7 @@ export function initRepoEditor() {
       editor.setValue(value);
     }
 
-    $commitButton.on('click', (event) => {
+    commitButton?.addEventListener('click', (e) => {
       // A modal which asks if an empty file should be committed
       if ($editArea.val().length === 0) {
         $('#edit-empty-content-modal').modal({
@@ -171,7 +171,7 @@ export function initRepoEditor() {
             $('.edit.form').trigger('submit');
           },
         }).modal('show');
-        event.preventDefault();
+        e.preventDefault();
       }
     });
   })();
diff --git a/web_src/js/features/repo-issue-list.js b/web_src/js/features/repo-issue-list.js
index 21f1865732..48b1555c89 100644
--- a/web_src/js/features/repo-issue-list.js
+++ b/web_src/js/features/repo-issue-list.js
@@ -1,6 +1,6 @@
 import $ from 'jquery';
 import {updateIssuesMeta} from './repo-issue.js';
-import {toggleElem, hideElem} from '../utils/dom.js';
+import {toggleElem, hideElem, isElemHidden} from '../utils/dom.js';
 import {htmlEscape} from 'escape-goat';
 import {confirmModal} from './comp/ConfirmModal.js';
 import {showErrorToast} from '../modules/toast.js';
@@ -8,32 +8,42 @@ import {createSortable} from '../modules/sortable.js';
 import {DELETE, POST} from '../modules/fetch.js';
 
 function initRepoIssueListCheckboxes() {
-  const $issueSelectAll = $('.issue-checkbox-all');
-  const $issueCheckboxes = $('.issue-checkbox');
+  const issueSelectAll = document.querySelector('.issue-checkbox-all');
+  const issueCheckboxes = document.querySelectorAll('.issue-checkbox');
 
   const syncIssueSelectionState = () => {
-    const $checked = $issueCheckboxes.filter(':checked');
-    const anyChecked = $checked.length !== 0;
-    const allChecked = anyChecked && $checked.length === $issueCheckboxes.length;
+    const checkedCheckboxes = Array.from(issueCheckboxes).filter((el) => el.checked);
+    const anyChecked = Boolean(checkedCheckboxes.length);
+    const allChecked = anyChecked && checkedCheckboxes.length === issueCheckboxes.length;
 
     if (allChecked) {
-      $issueSelectAll.prop({'checked': true, 'indeterminate': false});
+      issueSelectAll.checked = true;
+      issueSelectAll.indeterminate = false;
     } else if (anyChecked) {
-      $issueSelectAll.prop({'checked': false, 'indeterminate': true});
+      issueSelectAll.checked = false;
+      issueSelectAll.indeterminate = true;
     } else {
-      $issueSelectAll.prop({'checked': false, 'indeterminate': false});
+      issueSelectAll.checked = false;
+      issueSelectAll.indeterminate = false;
     }
     // if any issue is selected, show the action panel, otherwise show the filter panel
     toggleElem($('#issue-filters'), !anyChecked);
     toggleElem($('#issue-actions'), anyChecked);
     // there are two panels but only one select-all checkbox, so move the checkbox to the visible panel
-    $('#issue-filters, #issue-actions').filter(':visible').find('.issue-list-toolbar-left').prepend($issueSelectAll);
+    const panels = document.querySelectorAll('#issue-filters, #issue-actions');
+    const visiblePanel = Array.from(panels).find((el) => !isElemHidden(el));
+    const toolbarLeft = visiblePanel.querySelector('.issue-list-toolbar-left');
+    toolbarLeft.prepend(issueSelectAll);
   };
 
-  $issueCheckboxes.on('change', syncIssueSelectionState);
+  for (const el of issueCheckboxes) {
+    el.addEventListener('change', syncIssueSelectionState);
+  }
 
-  $issueSelectAll.on('change', () => {
-    $issueCheckboxes.prop('checked', $issueSelectAll.is(':checked'));
+  issueSelectAll.addEventListener('change', () => {
+    for (const el of issueCheckboxes) {
+      el.checked = issueSelectAll.checked;
+    }
     syncIssueSelectionState();
   });
 
diff --git a/web_src/js/features/repo-legacy.js b/web_src/js/features/repo-legacy.js
index 10c25bf28b..96cfa78d0b 100644
--- a/web_src/js/features/repo-legacy.js
+++ b/web_src/js/features/repo-legacy.js
@@ -533,7 +533,7 @@ export function initRepository() {
       const gitignores = $('input[name="gitignores"]').val();
       const license = $('input[name="license"]').val();
       if (gitignores || license) {
-        $('input[name="auto_init"]').prop('checked', true);
+        document.querySelector('input[name="auto_init"]').checked = true;
       }
     });
   }