Remove jQuery `.text()` (#30506)

Remove and forbid [.text()](https://api.jquery.com/text/). Tested some,
but not all functionality, but I think these are pretty safe
replacements.

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

8 files changed, 149 insertions, 157 deletions

diff --git a/web_src/js/features/common-global.js b/web_src/js/features/common-global.js
index 65eb237dde..5162c71509 100644
--- a/web_src/js/features/common-global.js
+++ b/web_src/js/features/common-global.js
@@ -301,52 +301,65 @@ async function linkAction(e) {
   }
 }
 
-export function initGlobalLinkActions() {
-  function showDeletePopup(e) {
-    e.preventDefault();
-    const $this = $(this);
-    const dataArray = $this.data();
-    let filter = '';
-    if (this.getAttribute('data-modal-id')) {
-      filter += `#${this.getAttribute('data-modal-id')}`;
-    }
+export function initGlobalDeleteButton() {
+  // ".delete-button" shows a confirmation modal defined by `data-modal-id` attribute.
+  // Some model/form elements will be filled by `data-id` / `data-name` / `data-data-xxx` attributes.
+  // If there is a form defined by `data-form`, then the form will be submitted as-is (without any modification).
+  // If there is no form, then the data will be posted to `data-url`.
+  // TODO: it's not encouraged to use this method. `show-modal` does far better than this.
+  for (const btn of document.querySelectorAll('.delete-button')) {
+    btn.addEventListener('click', (e) => {
+      e.preventDefault();
 
-    const $dialog = $(`.delete.modal${filter}`);
-    $dialog.find('.name').text($this.data('name'));
-    for (const [key, value] of Object.entries(dataArray)) {
-      if (key && key.startsWith('data')) {
-        $dialog.find(`.${key}`).text(value);
-      }
-    }
+      // eslint-disable-next-line github/no-dataset -- code depends on the camel-casing
+      const dataObj = btn.dataset;
+
+      const modalId = btn.getAttribute('data-modal-id');
+      const modal = document.querySelector(`.delete.modal${modalId ? `#${modalId}` : ''}`);
 
-    $dialog.modal({
-      closable: false,
-      onApprove: async () => {
-        if ($this.data('type') === 'form') {
-          $($this.data('form')).trigger('submit');
-          return;
+      // set the modal "display name" by `data-name`
+      const modalNameEl = modal.querySelector('.name');
+      if (modalNameEl) modalNameEl.textContent = btn.getAttribute('data-name');
+
+      // fill the modal elements with data-xxx attributes: `data-data-organization-name="..."` => `<span class="dataOrganizationName">...</span>`
+      for (const [key, value] of Object.entries(dataObj)) {
+        if (key.startsWith('data')) {
+          const textEl = modal.querySelector(`.${key}`);
+          if (textEl) textEl.textContent = value;
         }
-        const postData = new FormData();
-        for (const [key, value] of Object.entries(dataArray)) {
-          if (key && key.startsWith('data')) {
-            postData.append(key.slice(4), value);
+      }
+
+      $(modal).modal({
+        closable: false,
+        onApprove: async () => {
+          // if `data-type="form"` exists, then submit the form by the selector provided by `data-form="..."`
+          if (btn.getAttribute('data-type') === 'form') {
+            const formSelector = btn.getAttribute('data-form');
+            const form = document.querySelector(formSelector);
+            if (!form) throw new Error(`no form named ${formSelector} found`);
+            form.submit();
           }
-          if (key === 'id') {
-            postData.append('id', value);
+
+          // prepare an AJAX form by data attributes
+          const postData = new FormData();
+          for (const [key, value] of Object.entries(dataObj)) {
+            if (key.startsWith('data')) { // for data-data-xxx (HTML) -> dataXxx (form)
+              postData.append(key.slice(4), value);
+            }
+            if (key === 'id') { // for data-id="..."
+              postData.append('id', value);
+            }
           }
-        }
 
-        const response = await POST($this.data('url'), {data: postData});
-        if (response.ok) {
-          const data = await response.json();
-          window.location.href = data.redirect;
-        }
-      },
-    }).modal('show');
+          const response = await POST(btn.getAttribute('data-url'), {data: postData});
+          if (response.ok) {
+            const data = await response.json();
+            window.location.href = data.redirect;
+          }
+        },
+      }).modal('show');
+    });
   }
-
-  // Helpers.
-  $('.delete-button').on('click', showDeletePopup);
 }
 
 function initGlobalShowModal() {
@@ -382,7 +395,7 @@ function initGlobalShowModal() {
       } else if ($attrTarget[0].matches('input, textarea')) {
         $attrTarget.val(attrib.value); // FIXME: add more supports like checkbox
       } else {
-        $attrTarget.text(attrib.value); // FIXME: it should be more strict here, only handle div/span/p
+        $attrTarget[0].textContent = attrib.value; // FIXME: it should be more strict here, only handle div/span/p
       }
     }
 
diff --git a/web_src/js/features/imagediff.js b/web_src/js/features/imagediff.js
index d1b139ffde..2d28b4b526 100644
--- a/web_src/js/features/imagediff.js
+++ b/web_src/js/features/imagediff.js
@@ -79,20 +79,20 @@ export function initImageDiff() {
       path: this.getAttribute('data-path-after'),
       mime: this.getAttribute('data-mime-after'),
       $images: $container.find('img.image-after'), // matches 3 <img>
-      $boundsInfo: $container.find('.bounds-info-after'),
+      boundsInfo: this.querySelector('.bounds-info-after'),
     }, {
       path: this.getAttribute('data-path-before'),
       mime: this.getAttribute('data-mime-before'),
       $images: $container.find('img.image-before'), // matches 3 <img>
-      $boundsInfo: $container.find('.bounds-info-before'),
+      boundsInfo: this.querySelector('.bounds-info-before'),
     }];
 
     await Promise.all(imageInfos.map(async (info) => {
       const [success] = await Promise.all(Array.from(info.$images, (img) => {
         return loadElem(img, info.path);
       }));
-      // only the first images is associated with $boundsInfo
-      if (!success) info.$boundsInfo.text('(image error)');
+      // only the first images is associated with boundsInfo
+      if (!success && info.boundsInfo) info.boundsInfo.textContent = '(image error)';
       if (info.mime === 'image/svg+xml') {
         const resp = await GET(info.path);
         const text = await resp.text();
@@ -102,7 +102,7 @@ export function initImageDiff() {
             this.setAttribute('width', bounds.width);
             this.setAttribute('height', bounds.height);
           });
-          hideElem(info.$boundsInfo);
+          hideElem(info.boundsInfo);
         }
       }
     }));
diff --git a/web_src/js/features/notification.js b/web_src/js/features/notification.js
index 8e5a1f83db..f045879dec 100644
--- a/web_src/js/features/notification.js
+++ b/web_src/js/features/notification.js
@@ -47,17 +47,13 @@ async function receiveUpdateCount(event) {
 }
 
 export function initNotificationCount() {
-  const $notificationCount = $('.notification_count');
-
-  if (!$notificationCount.length) {
-    return;
-  }
+  if (!document.querySelector('.notification_count')) return;
 
   let usingPeriodicPoller = false;
   const startPeriodicPoller = (timeout, lastCount) => {
     if (timeout <= 0 || !Number.isFinite(timeout)) return;
     usingPeriodicPoller = true;
-    lastCount = lastCount ?? $notificationCount.text();
+    lastCount = lastCount ?? getCurrentCount();
     setTimeout(async () => {
       await updateNotificationCountWithCallback(startPeriodicPoller, timeout, lastCount);
     }, timeout);
@@ -121,8 +117,12 @@ export function initNotificationCount() {
   startPeriodicPoller(notificationSettings.MinTimeout);
 }
 
+function getCurrentCount() {
+  return document.querySelector('.notification_count').textContent;
+}
+
 async function updateNotificationCountWithCallback(callback, timeout, lastCount) {
-  const currentCount = $('.notification_count').text();
+  const currentCount = getCurrentCount();
   if (lastCount !== currentCount) {
     callback(notificationSettings.MinTimeout, currentCount);
     return;
diff --git a/web_src/js/features/repo-editor.js b/web_src/js/features/repo-editor.js
index a5232cb4b6..b4fae4f6aa 100644
--- a/web_src/js/features/repo-editor.js
+++ b/web_src/js/features/repo-editor.js
@@ -1,7 +1,7 @@
 import $ from 'jquery';
 import {htmlEscape} from 'escape-goat';
 import {createCodeEditor} from './codeeditor.js';
-import {hideElem, showElem} from '../utils/dom.js';
+import {hideElem, queryElems, showElem} from '../utils/dom.js';
 import {initMarkupContent} from '../markup/content.js';
 import {attachRefIssueContextPopup} from './contextpopup.js';
 import {POST} from '../modules/fetch.js';
@@ -40,98 +40,75 @@ function initEditPreviewTab($form) {
   }
 }
 
-function initEditorForm() {
-  const $form = $('.repository .edit.form');
-  if (!$form) return;
-  initEditPreviewTab($form);
-}
-
-function getCursorPosition($e) {
-  const el = $e.get(0);
-  let pos = 0;
-  if ('selectionStart' in el) {
-    pos = el.selectionStart;
-  } else if ('selection' in document) {
-    el.focus();
-    const Sel = document.selection.createRange();
-    const SelLength = document.selection.createRange().text.length;
-    Sel.moveStart('character', -el.value.length);
-    pos = Sel.text.length - SelLength;
-  }
-  return pos;
-}
-
 export function initRepoEditor() {
-  initEditorForm();
-
-  $('.js-quick-pull-choice-option').on('change', function () {
-    if ($(this).val() === 'commit-to-new-branch') {
-      showElem('.quick-pull-branch-name');
-      document.querySelector('.quick-pull-branch-name input').required = true;
-    } else {
-      hideElem('.quick-pull-branch-name');
-      document.querySelector('.quick-pull-branch-name input').required = false;
-    }
-    $('#commit-button').text(this.getAttribute('button_text'));
-  });
+  const $editArea = $('.repository.editor textarea#edit_area');
+  if (!$editArea.length) return;
 
-  const joinTreePath = ($fileNameEl) => {
-    const parts = [];
-    $('.breadcrumb span.section').each(function () {
-      const $element = $(this);
-      if ($element.find('a').length) {
-        parts.push($element.find('a').text());
+  for (const el of queryElems('.js-quick-pull-choice-option')) {
+    el.addEventListener('input', () => {
+      if (el.value === 'commit-to-new-branch') {
+        showElem('.quick-pull-branch-name');
+        document.querySelector('.quick-pull-branch-name input').required = true;
       } else {
-        parts.push($element.text());
+        hideElem('.quick-pull-branch-name');
+        document.querySelector('.quick-pull-branch-name input').required = false;
       }
+      document.querySelector('#commit-button').textContent = el.getAttribute('data-button-text');
     });
-    if ($fileNameEl.val()) parts.push($fileNameEl.val());
-    $('#tree_path').val(parts.join('/'));
-  };
-
-  const $editFilename = $('#file-name');
-  $editFilename.on('input', function () {
-    const parts = $(this).val().split('/');
+  }
 
+  const filenameInput = document.querySelector('#file-name');
+  function joinTreePath() {
+    const parts = [];
+    for (const el of document.querySelectorAll('.breadcrumb span.section')) {
+      const link = el.querySelector('a');
+      parts.push(link ? link.textContent : el.textContent);
+    }
+    if (filenameInput.value) {
+      parts.push(filenameInput.value);
+    }
+    document.querySelector('#tree_path').value = parts.join('/');
+  }
+  filenameInput.addEventListener('input', function () {
+    const parts = filenameInput.value.split('/');
     if (parts.length > 1) {
       for (let i = 0; i < parts.length; ++i) {
         const value = parts[i];
         if (i < parts.length - 1) {
           if (value.length) {
-            $(`<span class="section"><a href="#">${htmlEscape(value)}</a></span>`).insertBefore($(this));
-            $('<div class="breadcrumb-divider">/</div>').insertBefore($(this));
+            $(`<span class="section"><a href="#">${htmlEscape(value)}</a></span>`).insertBefore($(filenameInput));
+            $('<div class="breadcrumb-divider">/</div>').insertBefore($(filenameInput));
           }
         } else {
-          $(this).val(value);
+          filenameInput.value = value;
         }
         this.setSelectionRange(0, 0);
       }
     }
-
-    joinTreePath($(this));
+    joinTreePath();
   });
-
-  $editFilename.on('keydown', function (e) {
-    const $section = $('.breadcrumb span.section');
-
+  filenameInput.addEventListener('keydown', function (e) {
+    const sections = queryElems('.breadcrumb span.section');
+    const dividers = queryElems('.breadcrumb .breadcrumb-divider');
     // Jump back to last directory once the filename is empty
-    if (e.code === 'Backspace' && getCursorPosition($(this)) === 0 && $section.length > 0) {
+    if (e.code === 'Backspace' && filenameInput.selectionStart === 0 && sections.length > 0) {
       e.preventDefault();
-      const $divider = $('.breadcrumb .breadcrumb-divider');
-      const value = $section.last().find('a').text();
-      $(this).val(value + $(this).val());
+      const lastSection = sections[sections.length - 1];
+      const lastDivider = dividers.length ? dividers[dividers.length - 1] : null;
+      const value = lastSection.querySelector('a').textContent;
+      filenameInput.value = value + filenameInput.value;
       this.setSelectionRange(value.length, value.length);
-      $section.last().remove();
-      $divider.last().remove();
-      joinTreePath($(this));
+      lastDivider?.remove();
+      lastSection.remove();
+      joinTreePath();
     }
   });
 
-  const $editArea = $('.repository.editor textarea#edit_area');
-  if (!$editArea.length) return;
+  const $form = $('.repository.editor .edit.form');
+  initEditPreviewTab($form);
 
   (async () => {
-    const editor = await createCodeEditor($editArea[0], $editFilename[0]);
+    const editor = await createCodeEditor($editArea[0], filenameInput);
 
     // Using events from https://github.com/codedance/jquery.AreYouSure#advanced-usage
     // to enable or disable the commit button
diff --git a/web_src/js/features/repo-issue-edit.js b/web_src/js/features/repo-issue-edit.js
index 9a8d737e01..29b96f5127 100644
--- a/web_src/js/features/repo-issue-edit.js
+++ b/web_src/js/features/repo-issue-edit.js
@@ -189,11 +189,12 @@ export function initRepoIssueCommentEdit() {
   // Quote reply
   $(document).on('click', '.quote-reply', async function (event) {
     event.preventDefault();
-    const target = $(this).data('target');
-    const quote = $(`#${target}`).text().replace(/\n/g, '\n> ');
+    const target = this.getAttribute('data-target');
+    const quote = document.querySelector(`#${target}`).textContent.replace(/\n/g, '\n> ');
     const content = `> ${quote}\n\n`;
+
     let editor;
-    if ($(this).hasClass('quote-reply-diff')) {
+    if (this.classList.contains('quote-reply-diff')) {
       const $replyBtn = $(this).closest('.comment-code-cloud').find('button.comment-form-reply');
       editor = await handleReply($replyBtn);
     } else {
diff --git a/web_src/js/features/repo-issue.js b/web_src/js/features/repo-issue.js
index 95910e34bc..3cbbdc41fc 100644
--- a/web_src/js/features/repo-issue.js
+++ b/web_src/js/features/repo-issue.js
@@ -278,11 +278,12 @@ export function initRepoPullRequestUpdate() {
 
   $('.update-button > .dropdown').dropdown({
     onChange(_text, _value, $choice) {
-      const url = $choice[0].getAttribute('data-do');
+      const choiceEl = $choice[0];
+      const url = choiceEl.getAttribute('data-do');
       if (url) {
         const buttonText = pullUpdateButton.querySelector('.button-text');
         if (buttonText) {
-          buttonText.textContent = $choice.text();
+          buttonText.textContent = choiceEl.textContent;
         }
         pullUpdateButton.setAttribute('data-do', url);
       }
@@ -567,14 +568,15 @@ export function initRepoPullRequestReview() {
 export function initRepoIssueReferenceIssue() {
   // Reference issue
   $(document).on('click', '.reference-issue', function (event) {
-    const $this = $(this);
-    const content = $(`#${$this.data('target')}`).text();
-    const poster = $this.data('poster-username');
-    const reference = toAbsoluteUrl($this.data('reference'));
-    const $modal = $($this.data('modal'));
-    $modal.find('textarea[name="content"]').val(`${content}\n\n_Originally posted by @${poster} in ${reference}_`);
-    $modal.modal('show');
-
+    const target = this.getAttribute('data-target');
+    const content = document.querySelector(`#${target}`)?.textContent ?? '';
+    const poster = this.getAttribute('data-poster-username');
+    const reference = toAbsoluteUrl(this.getAttribute('data-reference'));
+    const modalSelector = this.getAttribute('data-modal');
+    const modal = document.querySelector(modalSelector);
+    const textarea = modal.querySelector('textarea[name="content"]');
+    textarea.value = `${content}\n\n_Originally posted by @${poster} in ${reference}_`;
+    $(modal).modal('show');
     event.preventDefault();
   });
 }
diff --git a/web_src/js/features/repo-legacy.js b/web_src/js/features/repo-legacy.js
index 2323d818c2..e53d86cca0 100644
--- a/web_src/js/features/repo-legacy.js
+++ b/web_src/js/features/repo-legacy.js
@@ -272,9 +272,9 @@ export function initRepoCommentForm() {
       }
 
       $list.find('.selected').html(`
-        <a class="item muted sidebar-item-link" href=${$(this).data('href')}>
+        <a class="item muted sidebar-item-link" href=${htmlEscape(this.getAttribute('href'))}>
           ${icon}
-          ${htmlEscape($(this).text())}
+          ${htmlEscape(this.textContent)}
         </a>
       `);
 
diff --git a/web_src/js/features/repo-settings.js b/web_src/js/features/repo-settings.js
index 52c5de2bfa..652f8ac290 100644
--- a/web_src/js/features/repo-settings.js
+++ b/web_src/js/features/repo-settings.js
@@ -1,47 +1,46 @@
 import $ from 'jquery';
 import {minimatch} from 'minimatch';
 import {createMonaco} from './codeeditor.js';
-import {onInputDebounce, toggleElem} from '../utils/dom.js';
+import {onInputDebounce, queryElems, toggleElem} from '../utils/dom.js';
 import {POST} from '../modules/fetch.js';
 
 const {appSubUrl, csrfToken} = window.config;
 
 export function initRepoSettingsCollaboration() {
   // Change collaborator access mode
-  $('.page-content.repository .ui.dropdown.access-mode').each((_, el) => {
-    const $dropdown = $(el);
-    const $text = $dropdown.find('> .text');
-    $dropdown.dropdown({
-      async action(_text, value) {
-        const lastValue = el.getAttribute('data-last-value');
+  for (const dropdownEl of queryElems('.page-content.repository .ui.dropdown.access-mode')) {
+    const textEl = dropdownEl.querySelector(':scope > .text');
+    $(dropdownEl).dropdown({
+      async action(text, value) {
+        dropdownEl.classList.add('is-loading', 'loading-icon-2px');
+        const lastValue = dropdownEl.getAttribute('data-last-value');
+        $(dropdownEl).dropdown('hide');
         try {
-          el.setAttribute('data-last-value', value);
-          $dropdown.dropdown('hide');
-          const data = new FormData();
-          data.append('uid', el.getAttribute('data-uid'));
-          data.append('mode', value);
-          await POST(el.getAttribute('data-url'), {data});
+          const uid = dropdownEl.getAttribute('data-uid');
+          await POST(dropdownEl.getAttribute('data-url'), {data: new URLSearchParams({uid, 'mode': value})});
+          textEl.textContent = text;
+          dropdownEl.setAttribute('data-last-value', value);
         } catch {
-          $text.text('(error)'); // prevent from misleading users when error occurs
-          el.setAttribute('data-last-value', lastValue);
+          textEl.textContent = '(error)'; // prevent from misleading users when error occurs
+          dropdownEl.setAttribute('data-last-value', lastValue);
+        } finally {
+          dropdownEl.classList.remove('is-loading');
         }
       },
-      onChange(_value, text, _$choice) {
-        $text.text(text); // update the text when using keyboard navigating
-      },
       onHide() {
-        // set to the really selected value, defer to next tick to make sure `action` has finished its work because the calling order might be onHide -> action
+        // set to the really selected value, defer to next tick to make sure `action` has finished
+        // its work because the calling order might be onHide -> action
         setTimeout(() => {
-          const $item = $dropdown.dropdown('get item', el.getAttribute('data-last-value'));
+          const $item = $(dropdownEl).dropdown('get item', dropdownEl.getAttribute('data-last-value'));
           if ($item) {
-            $dropdown.dropdown('set selected', el.getAttribute('data-last-value'));
+            $(dropdownEl).dropdown('set selected', dropdownEl.getAttribute('data-last-value'));
           } else {
-            $text.text('(none)'); // prevent from misleading users when the access mode is undefined
+            textEl.textContent = '(none)'; // prevent from misleading users when the access mode is undefined
           }
         }, 0);
       },
     });
-  });
+  }
 }
 
 export function initRepoSettingSearchTeamBox() {