Update JS dependencies and webpack (#14118)

* Update JS dependencies

- Update all JS dependencies
- Adapt webpack config for version 5
- Update to Less 4.0, adapting usage of removed mixin syntax
- Enable new ESLint rules and fix discovered issues

* update license-webpack-plugin to fix missing licenses

* update license-webpack-plugin once more to get webpack into the license output

* switch to license-checker-webpack-plugin again for performance

* update deps again

Co-authored-by: Lauris BH <lauris@nix.lv>

1 files changed, 20 insertions, 26 deletions

diff --git a/web_src/js/index.js b/web_src/js/index.js
index 471adfa425..c3a70d756f 100644
--- a/web_src/js/index.js
+++ b/web_src/js/index.js
@@ -204,24 +204,22 @@ function initRepoStatusChecker() {
         _csrf: csrf,
       },
       complete(xhr) {
-        if (xhr.status === 200) {
-          if (xhr.responseJSON) {
-            if (xhr.responseJSON.status === 4) {
-              window.location.reload();
-              return;
-            } else if (xhr.responseJSON.status === 3) {
-              $('#repo_migrating_progress').hide();
-              $('#repo_migrating').hide();
-              $('#repo_migrating_failed').show();
-              $('#repo_migrating_failed_image').show();
-              $('#repo_migrating_failed_error').text(xhr.responseJSON.err);
-              return;
-            }
-            setTimeout(() => {
-              initRepoStatusChecker();
-            }, 2000);
+        if (xhr.status === 200 && xhr.responseJSON) {
+          if (xhr.responseJSON.status === 4) {
+            window.location.reload();
+            return;
+          } else if (xhr.responseJSON.status === 3) {
+            $('#repo_migrating_progress').hide();
+            $('#repo_migrating').hide();
+            $('#repo_migrating_failed').show();
+            $('#repo_migrating_failed_image').show();
+            $('#repo_migrating_failed_error').text(xhr.responseJSON.err);
             return;
           }
+          setTimeout(() => {
+            initRepoStatusChecker();
+          }, 2000);
+          return;
         }
         $('#repo_migrating_progress').hide();
         $('#repo_migrating').hide();
@@ -1625,16 +1623,12 @@ async function initEditor() {
     let value;
     let parts;
 
-    if (e.keyCode === 8) {
-      if ($(this).getCursorPosition() === 0) {
-        if ($section.length > 0) {
-          value = $section.last().find('a').text();
-          $(this).val(value + $(this).val());
-          $(this)[0].setSelectionRange(value.length, value.length);
-          $section.last().remove();
-          $divider.last().remove();
-        }
-      }
+    if (e.keyCode === 8 && $(this).getCursorPosition() === 0 && $section.length > 0) {
+      value = $section.last().find('a').text();
+      $(this).val(value + $(this).val());
+      $(this)[0].setSelectionRange(value.length, value.length);
+      $section.last().remove();
+      $divider.last().remove();
     }
     if (e.keyCode === 191) {
       parts = $(this).val().split('/');