Update some JS dependencies (#13222)

* Update some JS dependencies

- Update selective dependencies that are compatible with webpack 4. We
can not upgrade to webpack 5 yet because `license-webpack-plugin` is
incompatible.
- Enable a few new eslint rules and fix new issues

* fix comment

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: zeripath <art27@cantab.net>

3 files changed, 24 insertions, 32 deletions

diff --git a/web_src/js/features/emoji.js b/web_src/js/features/emoji.js
index 51d8801dc8..0da61c4d56 100644
--- a/web_src/js/features/emoji.js
+++ b/web_src/js/features/emoji.js
@@ -15,7 +15,7 @@ export const emojiKeys = Object.keys(tempMap).sort((a, b) => {
   return a.localeCompare(b);
 });
 
-export const emojiMap = {};
+const emojiMap = {};
 for (const key of emojiKeys) {
   emojiMap[key] = tempMap[key];
 }
diff --git a/web_src/js/index.js b/web_src/js/index.js
index 9fafe62d3e..8636427092 100644
--- a/web_src/js/index.js
+++ b/web_src/js/index.js
@@ -25,6 +25,7 @@ import ActivityTopAuthors from './components/ActivityTopAuthors.vue';
 import {initNotificationsTable, initNotificationCount} from './features/notification.js';
 import {createCodeEditor} from './features/codeeditor.js';
 import {svg, svgs} from './svg.js';
+import {stripTags} from './utils.js';
 
 const {AppSubUrl, StaticUrlPrefix, csrf} = window.config;
 
@@ -1325,25 +1326,26 @@ function initWikiForm() {
       element: $editArea[0],
       forceSync: true,
       previewRender(plainText, preview) { // Async method
+        // FIXME: still send render request when return back to edit mode
+        const render = function () {
+          sideBySideChanges = 0;
+          if (sideBySideTimeout !== null) {
+            clearTimeout(sideBySideTimeout);
+            sideBySideTimeout = null;
+          }
+          $.post($editArea.data('url'), {
+            _csrf: csrf,
+            mode: 'gfm',
+            context: $editArea.data('context'),
+            text: plainText,
+            wiki: true
+          }, (data) => {
+            preview.innerHTML = `<div class="markdown ui segment">${data}</div>`;
+            renderMarkdownContent();
+          });
+        };
+
         setTimeout(() => {
-          // FIXME: still send render request when return back to edit mode
-          const render = function () {
-            sideBySideChanges = 0;
-            if (sideBySideTimeout !== null) {
-              clearTimeout(sideBySideTimeout);
-              sideBySideTimeout = null;
-            }
-            $.post($editArea.data('url'), {
-              _csrf: csrf,
-              mode: 'gfm',
-              context: $editArea.data('context'),
-              text: plainText,
-              wiki: true
-            }, (data) => {
-              preview.innerHTML = `<div class="markdown ui segment">${data}</div>`;
-              renderMarkdownContent();
-            });
-          };
           if (!simplemde.isSideBySideActive()) {
             render();
           } else {
@@ -3367,10 +3369,6 @@ function initTopicbar() {
           success: false,
           results: [],
         };
-        const stripTags = function (text) {
-          return text.replace(/<[^>]*>?/gm, '');
-        };
-
         const query = stripTags(this.urlData.query.trim());
         let found_query = false;
         const current_topics = [];
diff --git a/web_src/js/utils.js b/web_src/js/utils.js
index d5f921f8dc..fc65644c7b 100644
--- a/web_src/js/utils.js
+++ b/web_src/js/utils.js
@@ -24,13 +24,7 @@ export function uniq(arr) {
   return Array.from(new Set(arr));
 }
 
-const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
-
-// generate a random string
-export function random(length) {
-  let str = '';
-  for (let i = 0; i < length; i++) {
-    str += chars.charAt(Math.floor(Math.random() * chars.length));
-  }
-  return str;
+// strip <tags> from a string
+export function stripTags(text) {
+  return text.replace(/<[^>]*>?/gm, '');
 }