DEV: Cleanup

.github/workflows/tests.yml

@@ -20,7 +20,7 @@ jobs:
     if: "!(github.event_name == 'push' && github.repository == 'discourse/discourse-private-mirror')"
     name: ${{ matrix.target }} ${{ matrix.build_type }} ${{ matrix.ruby }}
     runs-on: ${{ (matrix.build_type == 'annotations') && 'ubuntu-latest' || 'ubuntu-20.04-8core' }}
-    container: discourse/discourse_test:slim${{ (matrix.build_type == 'frontend' || matrix.build_type == 'system') && '-browsers' || '' }}${{ (matrix.ruby == '3.1') && '-ruby-3.1.0' || '' }}
+    container: discourse/discourse_test:slim${{ (matrix.build_type == 'frontend' || matrix.build_type == 'system') && '-browsers' || '' }}${{ (matrix.ruby == '3.2') && '-ruby-3.2.0' || '' }}
     timeout-minutes: 20
 
     env:
@@ -38,7 +38,7 @@ jobs:
       matrix:
         build_type: [backend, frontend, system, annotations]
         target: [core, plugins]
-        ruby: ['3.2']
+        ruby: ['3.1']
         exclude:
           - build_type: annotations
             target: plugins
@@ -159,22 +159,6 @@ jobs:
           path: tmp/turbo_rspec_runtime.log
           key: rspec-runtime-backend-core
 
-      - name: Run Zeitwerk check
-        if: matrix.build_type == 'backend'
-        env:
-          LOAD_PLUGINS: ${{ (matrix.target == 'plugins') && '1' || '0' }}
-        run: |
-          if ! bin/rails zeitwerk:check --trace; then
-            echo
-            echo "---------------------------------------------"
-            echo
-            echo "::error::'bin/rails zeitwerk:check' failed - the app will fail to boot with 'eager_load=true' (e.g. in production)."
-            echo "To reproduce locally, run 'bin/rails zeitwerk:check'."
-            echo "Alternatively, you can run your local server/tests with the 'DISCOURSE_ZEITWERK_EAGER_LOAD=1' environment variable."
-            echo
-            exit 1
-          fi
-
       - name: Core RSpec
         if: matrix.build_type == 'backend' && matrix.target == 'core'
         run: bin/turbo_rspec --verbose
@@ -198,11 +182,11 @@ jobs:
 
       - name: Core System Tests
         if: matrix.build_type == 'system' && matrix.target == 'core'
-        run: bin/rspec spec/system
+        run: PARALLEL_TEST_PROCESSORS=1 bin/turbo_rspec --verbose spec/system
 
       - name: Plugin System Tests
         if: matrix.build_type == 'system' && matrix.target == 'plugins'
-        run: LOAD_PLUGINS=1 bin/rspec plugins/*/spec/system
+        run: LOAD_PLUGINS=1 PARALLEL_TEST_PROCESSORS=1 bin/turbo_rspec --verbose plugins/*/spec/system
 
       - name: Upload failed system test screenshots
         uses: actions/upload-artifact@v3

.rubocop.yml

@@ -7,7 +7,3 @@ Discourse/NoAddReferenceOrAliasesActiveRecordMigration:
 
 Discourse/NoResetColumnInformationInMigrations:
   Enabled: true
-
-Lint/Debugger:
-  Exclude:
-    - script/**/*

.ruby-version.sample

@@ -1 +1 @@
-3.2.1
+3.1.3

.template-lintrc.js

@@ -15,7 +15,7 @@ module.exports = {
         "directory-item-value",
         "directory-table-header-title",
         "loading-spinner",
-        "directory-item-label",
+        "mobile-directory-item-label",
       ],
     },
     "no-implicit-this": {

Gemfile

@@ -18,7 +18,7 @@ else
   # this allows us to include the bits of rails we use without pieces we do not.
   #
   # To issue a rails update bump the version number here
-  rails_version = "7.0.4.3"
+  rails_version = "7.0.4.1"
   gem "actionmailer", rails_version
   gem "actionpack", rails_version
   gem "actionview", rails_version
@@ -279,5 +279,3 @@ gem "webrick", require: false
 
 # Workaround until Ruby ships with cgi version 0.3.6 or higher.
 gem "cgi", ">= 0.3.6", require: false
-
-gem "tzinfo-data"

Gemfile.lock

@@ -17,25 +17,25 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (7.0.4.3)
-      actionpack (= 7.0.4.3)
-      actionview (= 7.0.4.3)
-      activejob (= 7.0.4.3)
-      activesupport (= 7.0.4.3)
+    actionmailer (7.0.4.1)
+      actionpack (= 7.0.4.1)
+      actionview (= 7.0.4.1)
+      activejob (= 7.0.4.1)
+      activesupport (= 7.0.4.1)
       mail (~> 2.5, >= 2.5.4)
       net-imap
       net-pop
       net-smtp
       rails-dom-testing (~> 2.0)
-    actionpack (7.0.4.3)
-      actionview (= 7.0.4.3)
-      activesupport (= 7.0.4.3)
+    actionpack (7.0.4.1)
+      actionview (= 7.0.4.1)
+      activesupport (= 7.0.4.1)
       rack (~> 2.0, >= 2.2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actionview (7.0.4.3)
-      activesupport (= 7.0.4.3)
+    actionview (7.0.4.1)
+      activesupport (= 7.0.4.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
@@ -44,15 +44,15 @@ GEM
       actionview (>= 6.0.a)
     active_model_serializers (0.8.4)
       activemodel (>= 3.0)
-    activejob (7.0.4.3)
-      activesupport (= 7.0.4.3)
+    activejob (7.0.4.1)
+      activesupport (= 7.0.4.1)
       globalid (>= 0.3.6)
-    activemodel (7.0.4.3)
-      activesupport (= 7.0.4.3)
-    activerecord (7.0.4.3)
-      activemodel (= 7.0.4.3)
-      activesupport (= 7.0.4.3)
-    activesupport (7.0.4.3)
+    activemodel (7.0.4.1)
+      activesupport (= 7.0.4.1)
+    activerecord (7.0.4.1)
+      activemodel (= 7.0.4.1)
+      activesupport (= 7.0.4.1)
+    activesupport (7.0.4.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -110,7 +110,7 @@ GEM
     chunky_png (1.4.0)
     coderay (1.1.3)
     colored2 (3.1.2)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.0)
     connection_pool (2.3.0)
     cose (1.3.0)
       cbor (~> 0.5.9)
@@ -157,7 +157,7 @@ GEM
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
-    faraday-retry (2.1.0)
+    faraday-retry (2.0.0)
       faraday (~> 2.0)
     fast_blank (1.0.1)
     fast_xs (0.8.0)
@@ -167,11 +167,10 @@ GEM
     gc_tracer (1.5.1)
     globalid (1.1.0)
       activesupport (>= 5.0)
-    google-protobuf (3.22.2)
-    google-protobuf (3.22.2-aarch64-linux)
-    google-protobuf (3.22.2-arm64-darwin)
-    google-protobuf (3.22.2-x86_64-darwin)
-    google-protobuf (3.22.2-x86_64-linux)
+    google-protobuf (3.22.0)
+    google-protobuf (3.22.0-arm64-darwin)
+    google-protobuf (3.22.0-x86_64-darwin)
+    google-protobuf (3.22.0-x86_64-linux)
     guess_html_encoding (0.0.11)
     hana (1.3.7)
     hashdiff (1.0.1)
@@ -219,7 +218,7 @@ GEM
     logstash-event (1.2.02)
     logstash-logger (0.26.1)
       logstash-event (~> 1.2)
-    logster (2.12.2)
+    logster (2.11.4)
     loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -240,10 +239,10 @@ GEM
     mini_sql (1.4.0)
     mini_suffix (0.3.3)
       ffi (~> 1.9)
-    minitest (5.18.0)
+    minitest (5.17.0)
     mocha (2.0.2)
       ruby2_keywords (>= 0.0.5)
-    msgpack (1.6.1)
+    msgpack (1.6.0)
     multi_json (1.15.0)
     multi_xml (0.6.0)
     mustache (1.1.1)
@@ -312,10 +311,10 @@ GEM
     parallel (1.22.1)
     parallel_tests (4.2.0)
       parallel
-    parser (3.2.1.1)
+    parser (3.2.1.0)
       ast (~> 2.4.1)
-    pg (1.4.6)
-    prettier_print (1.2.1)
+    pg (1.4.5)
+    prettier_print (1.2.0)
     progress (3.6.0)
     pry (0.14.2)
       coderay (~> 1.1)
@@ -326,15 +325,15 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (5.0.1)
-    puma (6.1.1)
+    puma (6.1.0)
       nio4r (~> 2.0)
     racc (1.6.2)
-    rack (2.2.6.4)
+    rack (2.2.6.2)
     rack-mini-profiler (3.0.0)
       rack (>= 1.2.0)
     rack-protection (3.0.5)
       rack
-    rack-test (2.1.0)
+    rack-test (2.0.2)
       rack (>= 1.3)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
@@ -348,15 +347,15 @@ GEM
     rails_multisite (4.0.1)
       activerecord (> 5.0, < 7.1)
       railties (> 5.0, < 7.1)
-    railties (7.0.4.3)
-      actionpack (= 7.0.4.3)
-      activesupport (= 7.0.4.3)
+    railties (7.0.4.1)
+      actionpack (= 7.0.4.1)
+      activesupport (= 7.0.4.1)
       method_source
       rake (>= 12.2)
       thor (~> 1.0)
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
-    raindrops (0.20.1)
+    raindrops (0.20.0)
     rake (13.0.6)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -391,7 +390,7 @@ GEM
     rspec-html-matchers (0.10.0)
       nokogiri (~> 1)
       rspec (>= 3.0.0.a)
-    rspec-mocks (3.12.4)
+    rspec-mocks (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-rails (6.0.1)
@@ -412,28 +411,28 @@ GEM
       rspec-core (>= 2.14)
     rtlcss (0.2.0)
       mini_racer (~> 0.6.3)
-    rubocop (1.48.1)
+    rubocop (1.44.1)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.26.0, < 2.0)
+      rubocop-ast (>= 1.24.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.27.0)
+    rubocop-ast (1.26.0)
       parser (>= 3.2.1.0)
-    rubocop-capybara (2.17.1)
+    rubocop-capybara (2.17.0)
       rubocop (~> 1.41)
-    rubocop-discourse (3.2.0)
+    rubocop-discourse (3.0.3)
       rubocop (>= 1.1.0)
       rubocop-rspec (>= 2.0.0)
-    rubocop-rspec (2.19.0)
+    rubocop-rspec (2.18.1)
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
-    ruby-prof (1.6.1)
-    ruby-progressbar (1.13.0)
+    ruby-prof (1.5.0)
+    ruby-progressbar (1.11.0)
     ruby-readability (0.7.0)
       guess_html_encoding (>= 0.0.4)
       nokogiri (>= 1.6.0)
@@ -442,16 +441,16 @@ GEM
     sanitize (6.0.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    sass-embedded (1.59.2)
+    sass-embedded (1.58.3)
       google-protobuf (~> 3.21)
       rake (>= 10.0.0)
-    sass-embedded (1.59.2-aarch64-linux-gnu)
+    sass-embedded (1.58.3-aarch64-linux-gnu)
       google-protobuf (~> 3.21)
-    sass-embedded (1.59.2-arm64-darwin)
+    sass-embedded (1.58.3-arm64-darwin)
       google-protobuf (~> 3.21)
-    sass-embedded (1.59.2-x86_64-darwin)
+    sass-embedded (1.58.3-x86_64-darwin)
       google-protobuf (~> 3.21)
-    sass-embedded (1.59.2-x86_64-linux-gnu)
+    sass-embedded (1.58.3-x86_64-linux-gnu)
       google-protobuf (~> 3.21)
     selenium-webdriver (4.8.1)
       rexml (~> 3.2, >= 3.2.5)
@@ -478,7 +477,7 @@ GEM
       sprockets (>= 3.0.0)
     sshkey (2.0.0)
     stackprof (0.2.23)
-    syntax_tree (6.0.2)
+    syntax_tree (6.0.0)
       prettier_print (>= 1.2.0)
     syntax_tree-disable_ternary (1.0.0)
     test-prof (1.2.0)
@@ -487,8 +486,6 @@ GEM
     timeout (0.3.2)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    tzinfo-data (1.2022.7)
-      tzinfo (>= 1.0.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
@@ -534,14 +531,14 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  actionmailer (= 7.0.4.3)
-  actionpack (= 7.0.4.3)
-  actionview (= 7.0.4.3)
+  actionmailer (= 7.0.4.1)
+  actionpack (= 7.0.4.1)
+  actionview (= 7.0.4.1)
   actionview_precompiler
   active_model_serializers (~> 0.8.3)
-  activemodel (= 7.0.4.3)
-  activerecord (= 7.0.4.3)
-  activesupport (= 7.0.4.3)
+  activemodel (= 7.0.4.1)
+  activerecord (= 7.0.4.1)
+  activesupport (= 7.0.4.1)
   addressable
   annotate
   aws-sdk-s3
@@ -627,7 +624,7 @@ DEPENDENCIES
   rack-protection
   rails_failover
   rails_multisite
-  railties (= 7.0.4.3)
+  railties (= 7.0.4.1)
   rake
   rb-fsevent
   rbtrace
@@ -660,7 +657,6 @@ DEPENDENCIES
   syntax_tree-disable_ternary
   test-prof
   thor
-  tzinfo-data
   uglifier
   unf
   unicorn

README.md

@@ -30,7 +30,7 @@ To get your environment setup, follow the community setup guide for your operati
 
 If you're familiar with how Rails works and are comfortable setting up your own environment, you can also try out the [**Discourse Advanced Developer Guide**](docs/DEVELOPER-ADVANCED.md), which is aimed primarily at Ubuntu and macOS environments.
 
-Before you get started, ensure you have the following minimum versions: [Ruby 3.2+](https://www.ruby-lang.org/en/downloads/), [PostgreSQL 13](https://www.postgresql.org/download/), [Redis 7](https://redis.io/download). If you're having trouble, please see our [**TROUBLESHOOTING GUIDE**](docs/TROUBLESHOOTING.md) first!
+Before you get started, ensure you have the following minimum versions: [Ruby 3.1+](https://www.ruby-lang.org/en/downloads/), [PostgreSQL 13](https://www.postgresql.org/download/), [Redis 7](https://redis.io/download). If you're having trouble, please see our [**TROUBLESHOOTING GUIDE**](docs/TROUBLESHOOTING.md) first!
 
 ## Setting up Discourse
 

app/assets/javascripts/admin/addon/adapters/api-key.js

@@ -1,13 +1,13 @@
-import RestAdapter from "discourse/adapters/rest";
+import RESTAdapter from "discourse/adapters/rest";
 
-export default class ApiKey extends RestAdapter {
-  jsonMode = true;
+export default RESTAdapter.extend({
+  jsonMode: true,
 
   basePath() {
     return "/admin/api/";
-  }
+  },
 
   apiNameFor() {
     return "key";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/adapters/build-plugin.js

@@ -1,11 +1,11 @@
 import RestAdapter from "discourse/adapters/rest";
 
 export default function buildPluginAdapter(pluginName) {
-  return class extends RestAdapter {
+  return RestAdapter.extend({
     pathFor(store, type, findArgs) {
       return (
-        "/admin/plugins/" + pluginName + super.pathFor(store, type, findArgs)
+        "/admin/plugins/" + pluginName + this._super(store, type, findArgs)
       );
-    }
-  };
+    },
+  });
 }

app/assets/javascripts/admin/addon/adapters/customization-base.js

@@ -1,7 +1,7 @@
 import RestAdapter from "discourse/adapters/rest";
 
-export default class CustomizationBase extends RestAdapter {
+export default RestAdapter.extend({
   basePath() {
     return "/admin/customize/";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/adapters/email-style.js

@@ -1,7 +1,7 @@
 import RestAdapter from "discourse/adapters/rest";
 
-export default class EmailStyle extends RestAdapter {
+export default RestAdapter.extend({
   pathFor() {
     return "/admin/customize/email_style";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/adapters/embedding.js

@@ -1,7 +1,7 @@
 import RestAdapter from "discourse/adapters/rest";
 
-export default class Embedding extends RestAdapter {
+export default RestAdapter.extend({
   pathFor() {
     return "/admin/customize/embedding";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/adapters/staff-action-log.js

@@ -1,7 +1,7 @@
 import RestAdapter from "discourse/adapters/rest";
 
-export default class StaffActionLog extends RestAdapter {
+export default RestAdapter.extend({
   basePath() {
     return "/admin/logs/";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/adapters/tag-group.js

@@ -1,5 +1,5 @@
 import RestAdapter from "discourse/adapters/rest";
 
-export default class TagGroup extends RestAdapter {
-  jsonMode = true;
-}
+export default RestAdapter.extend({
+  jsonMode: true,
+});

app/assets/javascripts/admin/addon/adapters/theme.js

@@ -1,10 +1,9 @@
 import RestAdapter from "discourse/adapters/rest";
 
-export default class Theme extends RestAdapter {
-  jsonMode = true;
+export default RestAdapter.extend({
   basePath() {
     return "/admin/";
-  }
+  },
 
   afterFindAll(results) {
     let map = {};
@@ -21,5 +20,7 @@ export default class Theme extends RestAdapter {
       theme.set("parentThemes", mappedParents);
     });
     return results;
-  }
-}
+  },
+
+  jsonMode: true,
+});

app/assets/javascripts/admin/addon/adapters/web-hook-event.js

@@ -1,7 +1,7 @@
-import RestAdapter from "discourse/adapters/rest";
+import RESTAdapter from "discourse/adapters/rest";
 
-export default class WebHookEvent extends RestAdapter {
+export default RESTAdapter.extend({
   basePath() {
     return "/admin/api/";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/adapters/web-hook.js

@@ -1,7 +1,7 @@
-import RestAdapter from "discourse/adapters/rest";
+import RESTAdapter from "discourse/adapters/rest";
 
-export default class WebHook extends RestAdapter {
+export default RESTAdapter.extend({
   basePath() {
     return "/admin/api/";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/ace-editor.js

@@ -1,33 +1,31 @@
-import { action } from "@ember/object";
-import { classNames } from "@ember-decorators/component";
-import { observes, on } from "@ember-decorators/object";
 import Component from "@ember/component";
 import getURL from "discourse-common/lib/get-url";
 import loadScript from "discourse/lib/load-script";
 import I18n from "I18n";
-import { bind } from "discourse-common/utils/decorators";
+import { bind, observes } from "discourse-common/utils/decorators";
+import { on } from "@ember/object/evented";
 
 const COLOR_VARS_REGEX =
   /\$(primary|secondary|tertiary|quaternary|header_background|header_primary|highlight|danger|success|love)(\s|;|-(low|medium|high))/g;
 
-@classNames("ace-wrapper")
-export default class AceEditor extends Component {
-  mode = "css";
-  disabled = false;
-  htmlPlaceholder = false;
-  _editor = null;
-  _skipContentChangeEvent = null;
+export default Component.extend({
+  mode: "css",
+  classNames: ["ace-wrapper"],
+  _editor: null,
+  _skipContentChangeEvent: null,
+  disabled: false,
+  htmlPlaceholder: false,
 
   @observes("editorId")
   editorIdChanged() {
     if (this.autofocus) {
       this.send("focus");
     }
-  }
+  },
 
   didRender() {
     this._skipContentChangeEvent = false;
-  }
+  },
 
   @observes("content")
   contentChanged() {
@@ -35,14 +33,14 @@ export default class AceEditor extends Component {
     if (this._editor && !this._skipContentChangeEvent) {
       this._editor.getSession().setValue(content);
     }
-  }
+  },
 
   @observes("mode")
   modeChanged() {
     if (this._editor && !this._skipContentChangeEvent) {
       this._editor.getSession().setMode("ace/mode/" + this.mode);
     }
-  }
+  },
 
   @observes("placeholder")
   placeholderChanged() {
@@ -51,12 +49,12 @@ export default class AceEditor extends Component {
         placeholder: this.placeholder,
       });
     }
-  }
+  },
 
   @observes("disabled")
   disabledStateChanged() {
     this.changeDisabledState();
-  }
+  },
 
   changeDisabledState() {
     const editor = this._editor;
@@ -69,10 +67,9 @@ export default class AceEditor extends Component {
       });
       editor.container.parentNode.setAttribute("data-disabled", disabled);
     }
-  }
+  },
 
-  @on("willDestroyElement")
-  _destroyEditor() {
+  _destroyEditor: on("willDestroyElement", function () {
     if (this._editor) {
       this._editor.destroy();
       this._editor = null;
@@ -83,16 +80,16 @@ export default class AceEditor extends Component {
     }
 
     $(window).off("ace:resize");
-  }
+  }),
 
   resize() {
     if (this._editor) {
       this._editor.resize();
     }
-  }
+  },
 
   didInsertElement() {
-    super.didInsertElement(...arguments);
+    this._super(...arguments);
     loadScript("/javascripts/ace/ace.js").then(() => {
       window.ace.require(["ace/ace"], (loadedAce) => {
         loadedAce.config.set("loadWorkerFromBlob", false);
@@ -156,13 +153,13 @@ export default class AceEditor extends Component {
         this._darkModeListener.addListener(this.setAceTheme);
       });
     });
-  }
+  },
 
   willDestroyElement() {
     if (this._darkModeListener) {
       this._darkModeListener.removeListener(this.setAceTheme);
     }
-  }
+  },
 
   @bind
   setAceTheme() {
@@ -173,7 +170,7 @@ export default class AceEditor extends Component {
     this._editor.setTheme(
       `ace/theme/${schemeType === "dark" ? "chaos" : "chrome"}`
     );
-  }
+  },
 
   warnSCSSDeprecations() {
     if (
@@ -200,20 +197,21 @@ export default class AceEditor extends Component {
 
     this._editor.getSession().setAnnotations(warnings);
 
-    this.setWarning?.(
+    this.setWarning(
       warnings.length
         ? I18n.t("admin.customize.theme.scss_color_variables_warning")
         : false
     );
-  }
+  },
 
-  @action
-  focus() {
-    if (this._editor) {
-      this._editor.focus();
-      this._editor.navigateFileEnd();
-    }
-  }
+  actions: {
+    focus() {
+      if (this._editor) {
+        this._editor.focus();
+        this._editor.navigateFileEnd();
+      }
+    },
+  },
 
   _overridePlaceholder(loadedAce) {
     const originalPlaceholderSetter =
@@ -241,5 +239,5 @@ export default class AceEditor extends Component {
 
       this.$updatePlaceholder();
     };
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-backups-logs.js

@@ -1,26 +1,28 @@
-import { classNames } from "@ember-decorators/component";
-import { observes, on } from "@ember-decorators/object";
+import { observes, on } from "discourse-common/utils/decorators";
 import Component from "@ember/component";
 import I18n from "I18n";
 import discourseDebounce from "discourse-common/lib/debounce";
 import { scheduleOnce } from "@ember/runloop";
 
-@classNames("admin-backups-logs")
-export default class AdminBackupsLogs extends Component {
-  showLoadingSpinner = false;
-  hasFormattedLogs = false;
-  noLogsMessage = I18n.t("admin.backups.logs.none");
-  formattedLogs = "";
-  index = 0;
+export default Component.extend({
+  classNames: ["admin-backups-logs"],
+  showLoadingSpinner: false,
+  hasFormattedLogs: false,
+  noLogsMessage: I18n.t("admin.backups.logs.none"),
+
+  init() {
+    this._super(...arguments);
+    this._reset();
+  },
 
   _reset() {
     this.setProperties({ formattedLogs: "", index: 0 });
-  }
+  },
 
   _scrollDown() {
     const div = this.element;
     div.scrollTop = div.scrollHeight;
-  }
+  },
 
   @on("init")
   @observes("logs.[]")
@@ -29,7 +31,7 @@ export default class AdminBackupsLogs extends Component {
       this._reset(); // reset the cached logs whenever the model is reset
       this.renderLogs();
     }
-  }
+  },
 
   _updateFormattedLogsFunc() {
     const logs = this.logs;
@@ -53,13 +55,13 @@ export default class AdminBackupsLogs extends Component {
     this.renderLogs();
 
     scheduleOnce("afterRender", this, this._scrollDown);
-  }
+  },
 
   @on("init")
   @observes("logs.[]")
   _updateFormattedLogs() {
     discourseDebounce(this, this._updateFormattedLogsFunc, 150);
-  }
+  },
 
   renderLogs() {
     const formattedLogs = this.formattedLogs;
@@ -74,5 +76,5 @@ export default class AdminBackupsLogs extends Component {
     } else {
       this.set("showLoadingSpinner", false);
     }
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-editable-field.js

@@ -1,22 +1,28 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
 import { action } from "@ember/object";
 
-@tagName("")
-export default class AdminEditableField extends Component {
-  buffer = "";
-  editing = false;
+export default Component.extend({
+  tagName: "",
+
+  buffer: "",
+  editing: false,
+
+  init() {
+    this._super(...arguments);
+    this.set("editing", false);
+  },
 
   @action
   edit(event) {
     event?.preventDefault();
     this.set("buffer", this.value);
     this.toggleProperty("editing");
-  }
+  },
 
-  @action
-  save() {
-    // Action has to toggle 'editing' property.
-    this.action(this.buffer);
-  }
-}
+  actions: {
+    save() {
+      // Action has to toggle 'editing' property.
+      this.action(this.buffer);
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/admin-form-row.js

@@ -1,5 +1,4 @@
-import { classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@classNames("row")
-export default class AdminFormRow extends Component {}
+export default Component.extend({
+  classNames: ["row"],
+});

app/assets/javascripts/admin/addon/components/admin-graph.js

@@ -1,10 +1,9 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
 import loadScript from "discourse/lib/load-script";
 
-@tagName("canvas")
-export default class AdminGraph extends Component {
-  type = "line";
+export default Component.extend({
+  tagName: "canvas",
+  type: "line",
 
   refreshChart() {
     const ctx = this.element.getContext("2d");
@@ -50,11 +49,11 @@ export default class AdminGraph extends Component {
     };
 
     this._chart = new window.Chart(ctx, config);
-  }
+  },
 
   didInsertElement() {
     loadScript("/javascripts/Chart.min.js").then(() =>
       this.refreshChart.apply(this)
     );
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-nav.js

@@ -1,5 +1,4 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@tagName("")
-export default class AdminNav extends Component {}
+export default Component.extend({
+  tagName: "",
+});

app/assets/javascripts/admin/addon/components/admin-penalty-history.js

@@ -1,16 +1,16 @@
-import { classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
 import discourseComputed from "discourse-common/utils/decorators";
 
-@classNames("penalty-history")
-export default class AdminPenaltyHistory extends Component {
+export default Component.extend({
+  classNames: ["penalty-history"],
+
   @discourseComputed("user.penalty_counts.suspended")
   suspendedCountClass(count) {
     if (count > 0) {
       return "danger";
     }
     return "";
-  }
+  },
 
   @discourseComputed("user.penalty_counts.silenced")
   silencedCountClass(count) {
@@ -18,5 +18,5 @@ export default class AdminPenaltyHistory extends Component {
       return "danger";
     }
     return "";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-penalty-post-action.js

@@ -1,6 +1,5 @@
-import { action } from "@ember/object";
-import { equal } from "@ember/object/computed";
 import Component from "@ember/component";
+import { equal } from "@ember/object/computed";
 import discourseComputed, {
   afterRender,
 } from "discourse-common/utils/decorators";
@@ -8,28 +7,30 @@ import I18n from "I18n";
 
 const ACTIONS = ["delete", "delete_replies", "edit", "none"];
 
-export default class AdminPenaltyPostAction extends Component {
-  postId = null;
-  postAction = null;
-  postEdit = null;
+export default Component.extend({
+  postId: null,
+  postAction: null,
+  postEdit: null,
 
-  @equal("postAction", "edit") editing;
   @discourseComputed
   penaltyActions() {
     return ACTIONS.map((id) => {
       return { id, name: I18n.t(`admin.user.penalty_post_${id}`) };
     });
-  }
+  },
 
-  @action
-  penaltyChanged(postAction) {
-    this.set("postAction", postAction);
+  editing: equal("postAction", "edit"),
 
-    // If we switch to edit mode, jump to the edit textarea
-    if (postAction === "edit") {
-      this._focusEditTextarea();
-    }
-  }
+  actions: {
+    penaltyChanged(postAction) {
+      this.set("postAction", postAction);
+
+      // If we switch to edit mode, jump to the edit textarea
+      if (postAction === "edit") {
+        this._focusEditTextarea();
+      }
+    },
+  },
 
   @afterRender
   _focusEditTextarea() {
@@ -37,5 +38,5 @@ export default class AdminPenaltyPostAction extends Component {
     const body = elem.closest(".modal-body");
     body.scrollTo(0, body.clientHeight);
     elem.querySelector(".post-editor").focus();
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-penalty-reason.js

@@ -1,46 +1,43 @@
-import { tagName } from "@ember-decorators/component";
-import { equal } from "@ember/object/computed";
 import Component from "@ember/component";
 import { action } from "@ember/object";
+import { equal } from "@ember/object/computed";
 import discourseComputed from "discourse-common/utils/decorators";
 import I18n from "I18n";
 
 const CUSTOM_REASON_KEY = "custom";
 
-@tagName("")
-export default class AdminPenaltyReason extends Component {
-  selectedReason = CUSTOM_REASON_KEY;
-  customReason = "";
-
-  reasonKeys = [
+export default Component.extend({
+  tagName: "",
+  selectedReason: CUSTOM_REASON_KEY,
+  customReason: "",
+  reasonKeys: [
     "not_listening_to_staff",
     "consuming_staff_time",
     "combative",
     "in_wrong_place",
     "no_constructive_purpose",
     CUSTOM_REASON_KEY,
-  ];
-
-  @equal("selectedReason", CUSTOM_REASON_KEY) isCustomReason;
+  ],
+  isCustomReason: equal("selectedReason", CUSTOM_REASON_KEY),
 
   @discourseComputed("reasonKeys")
   reasons(keys) {
     return keys.map((key) => {
       return { id: key, name: I18n.t(`admin.user.suspend_reasons.${key}`) };
     });
-  }
+  },
 
   @action
   setSelectedReason(value) {
     this.set("selectedReason", value);
     this.setReason();
-  }
+  },
 
   @action
   setCustomReason(value) {
     this.set("customReason", value);
     this.setReason();
-  }
+  },
 
   setReason() {
     if (this.isCustomReason) {
@@ -51,5 +48,5 @@ export default class AdminPenaltyReason extends Component {
         I18n.t(`admin.user.suspend_reasons.${this.selectedReason}`)
       );
     }
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-penalty-similar-users.js

@@ -1,10 +1,10 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
 import { action } from "@ember/object";
 import discourseComputed from "discourse-common/utils/decorators";
 
-@tagName("")
-export default class AdminPenaltySimilarUsers extends Component {
+export default Component.extend({
+  tagName: "",
+
   @discourseComputed("penaltyType")
   penaltyField(penaltyType) {
     if (penaltyType === "suspend") {
@@ -12,7 +12,7 @@ export default class AdminPenaltySimilarUsers extends Component {
     } else if (penaltyType === "silence") {
       return "can_be_silenced";
     }
-  }
+  },
 
   @action
   selectUserId(userId, event) {
@@ -25,5 +25,5 @@ export default class AdminPenaltySimilarUsers extends Component {
     } else {
       this.selectedUserIds.removeObject(userId);
     }
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-report-chart.js

@@ -1,4 +1,3 @@
-import { classNames } from "@ember-decorators/component";
 import Report from "admin/models/report";
 import Component from "@ember/component";
 import discourseDebounce from "discourse-common/lib/debounce";
@@ -8,31 +7,31 @@ import { number } from "discourse/lib/formatter";
 import { schedule } from "@ember/runloop";
 import { bind } from "discourse-common/utils/decorators";
 
-@classNames("admin-report-chart")
-export default class AdminReportChart extends Component {
-  limit = 8;
-  total = 0;
-  options = null;
+export default Component.extend({
+  classNames: ["admin-report-chart"],
+  limit: 8,
+  total: 0,
+  options: null,
 
   didInsertElement() {
-    super.didInsertElement(...arguments);
+    this._super(...arguments);
 
     window.addEventListener("resize", this._resizeHandler);
-  }
+  },
 
   willDestroyElement() {
-    super.willDestroyElement(...arguments);
+    this._super(...arguments);
 
     window.removeEventListener("resize", this._resizeHandler);
 
     this._resetChart();
-  }
+  },
 
   didReceiveAttrs() {
-    super.didReceiveAttrs(...arguments);
+    this._super(...arguments);
 
     discourseDebounce(this, this._scheduleChartRendering, 100);
-  }
+  },
 
   _scheduleChartRendering() {
     schedule("afterRender", () => {
@@ -41,7 +40,7 @@ export default class AdminReportChart extends Component {
         this.element && this.element.querySelector(".chart-canvas")
       );
     });
-  }
+  },
 
   _renderChart(model, chartCanvas) {
     if (!chartCanvas) {
@@ -100,7 +99,7 @@ export default class AdminReportChart extends Component {
         this._buildChartConfig(data, this.options)
       );
     });
-  }
+  },
 
   _buildChartConfig(data, options) {
     return {
@@ -162,21 +161,21 @@ export default class AdminReportChart extends Component {
         },
       },
     };
-  }
+  },
 
   _resetChart() {
     if (this._chart) {
       this._chart.destroy();
       this._chart = null;
     }
-  }
+  },
 
   _applyChartGrouping(model, data, options) {
     return Report.collapse(model, data, options.chartGrouping);
-  }
+  },
 
   @bind
   _resizeHandler() {
     discourseDebounce(this, this._scheduleChartRendering, 500);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-report-counters.js

@@ -1,6 +1,6 @@
-import { attributeBindings, classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
+export default Component.extend({
+  classNames: ["admin-report-counters"],
 
-@classNames("admin-report-counters")
-@attributeBindings("model.description:title")
-export default class AdminReportCounters extends Component {}
+  attributeBindings: ["model.description:title"],
+});

app/assets/javascripts/admin/addon/components/admin-report-counts.js

@@ -1,12 +1,11 @@
-import { classNameBindings, tagName } from "@ember-decorators/component";
-import { match } from "@ember/object/computed";
 import Component from "@ember/component";
-
-@tagName("tr")
-@classNameBindings("reverseColors")
-export default class AdminReportCounts extends Component {
-  allTime = true;
-
-  @match("report.type", /^(time_to_first_response|topics_with_no_response)$/)
-  reverseColors;
-}
+import { match } from "@ember/object/computed";
+export default Component.extend({
+  allTime: true,
+  tagName: "tr",
+  reverseColors: match(
+    "report.type",
+    /^(time_to_first_response|topics_with_no_response)$/
+  ),
+  classNameBindings: ["reverseColors"],
+});

app/assets/javascripts/admin/addon/components/admin-report-inline-table.js

@@ -1,5 +1,4 @@
-import { classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@classNames("admin-report-inline-table")
-export default class AdminReportInlineTable extends Component {}
+export default Component.extend({
+  classNames: ["admin-report-inline-table"],
+});

app/assets/javascripts/admin/addon/components/admin-report-per-day-counts.js

@@ -1,5 +1,4 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@tagName("tr")
-export default class AdminReportPerDayCounts extends Component {}
+export default Component.extend({
+  tagName: "tr",
+});

app/assets/javascripts/admin/addon/components/admin-report-stacked-chart.js

@@ -1,4 +1,3 @@
-import { classNames } from "@ember-decorators/component";
 import Report from "admin/models/report";
 import Component from "@ember/component";
 import discourseDebounce from "discourse-common/lib/debounce";
@@ -8,31 +7,32 @@ import { number } from "discourse/lib/formatter";
 import { schedule } from "@ember/runloop";
 import { bind } from "discourse-common/utils/decorators";
 
-@classNames("admin-report-chart", "admin-report-stacked-chart")
-export default class AdminReportStackedChart extends Component {
+export default Component.extend({
+  classNames: ["admin-report-chart", "admin-report-stacked-chart"],
+
   didInsertElement() {
-    super.didInsertElement(...arguments);
+    this._super(...arguments);
 
     window.addEventListener("resize", this._resizeHandler);
-  }
+  },
 
   willDestroyElement() {
-    super.willDestroyElement(...arguments);
+    this._super(...arguments);
 
     window.removeEventListener("resize", this._resizeHandler);
     this._resetChart();
-  }
+  },
 
   didReceiveAttrs() {
-    super.didReceiveAttrs(...arguments);
+    this._super(...arguments);
 
     discourseDebounce(this, this._scheduleChartRendering, 100);
-  }
+  },
 
   @bind
   _resizeHandler() {
     discourseDebounce(this, this._scheduleChartRendering, 500);
-  }
+  },
 
   _scheduleChartRendering() {
     schedule("afterRender", () => {
@@ -45,7 +45,7 @@ export default class AdminReportStackedChart extends Component {
         this.element.querySelector(".chart-canvas")
       );
     });
-  }
+  },
 
   _renderChart(model, chartCanvas) {
     if (!chartCanvas) {
@@ -79,7 +79,7 @@ export default class AdminReportStackedChart extends Component {
 
       this._chart = new window.Chart(context, this._buildChartConfig(data));
     });
-  }
+  },
 
   _buildChartConfig(data) {
     return {
@@ -150,10 +150,10 @@ export default class AdminReportStackedChart extends Component {
         },
       },
     };
-  }
+  },
 
   _resetChart() {
     this._chart?.destroy();
     this._chart = null;
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-report-storage-stats.js

@@ -1,45 +1,43 @@
-import { classNames } from "@ember-decorators/component";
-import { alias } from "@ember/object/computed";
 import Component from "@ember/component";
 import I18n from "I18n";
+import { alias } from "@ember/object/computed";
 import discourseComputed from "discourse-common/utils/decorators";
 import { setting } from "discourse/lib/computed";
 
-@classNames("admin-report-storage-stats")
-export default class AdminReportStorageStats extends Component {
-  @setting("backup_location") backupLocation;
+export default Component.extend({
+  classNames: ["admin-report-storage-stats"],
 
-  @alias("model.data.backups") backupStats;
-
-  @alias("model.data.uploads") uploadStats;
+  backupLocation: setting("backup_location"),
+  backupStats: alias("model.data.backups"),
+  uploadStats: alias("model.data.uploads"),
 
   @discourseComputed("backupStats")
   showBackupStats(stats) {
     return stats && this.currentUser.admin;
-  }
+  },
 
   @discourseComputed("backupLocation")
   backupLocationName(backupLocation) {
     return I18n.t(`admin.backups.location.${backupLocation}`);
-  }
+  },
 
   @discourseComputed("backupStats.used_bytes")
   usedBackupSpace(bytes) {
     return I18n.toHumanSize(bytes);
-  }
+  },
 
   @discourseComputed("backupStats.free_bytes")
   freeBackupSpace(bytes) {
     return I18n.toHumanSize(bytes);
-  }
+  },
 
   @discourseComputed("uploadStats.used_bytes")
   usedUploadSpace(bytes) {
     return I18n.toHumanSize(bytes);
-  }
+  },
 
   @discourseComputed("uploadStats.free_bytes")
   freeUploadSpace(bytes) {
     return I18n.toHumanSize(bytes);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-report-table-cell.js

@@ -1,27 +1,21 @@
-import {
-  attributeBindings,
-  classNameBindings,
-  classNames,
-  tagName,
-} from "@ember-decorators/component";
-import { alias } from "@ember/object/computed";
 import Component from "@ember/component";
+import { alias } from "@ember/object/computed";
 import discourseComputed from "discourse-common/utils/decorators";
 
-@tagName("td")
-@classNames("admin-report-table-cell")
-@classNameBindings("type", "property")
-@attributeBindings("value:title")
-export default class AdminReportTableCell extends Component {
-  options = null;
-
-  @alias("label.type") type;
-  @alias("label.mainProperty") property;
-  @alias("computedLabel.formattedValue") formattedValue;
-  @alias("computedLabel.value") value;
+export default Component.extend({
+  tagName: "td",
+  classNames: ["admin-report-table-cell"],
+  classNameBindings: ["type", "property"],
+  attributeBindings: ["value:title"],
+  options: null,
 
   @discourseComputed("label", "data", "options")
   computedLabel(label, data, options) {
     return label.compute(data, options || {});
-  }
-}
+  },
+
+  type: alias("label.type"),
+  property: alias("label.mainProperty"),
+  formattedValue: alias("computedLabel.formattedValue"),
+  value: alias("computedLabel.value"),
+});

app/assets/javascripts/admin/addon/components/admin-report-table-header.js

@@ -1,24 +1,19 @@
-import {
-  attributeBindings,
-  classNameBindings,
-  classNames,
-  tagName,
-} from "@ember-decorators/component";
 import Component from "@ember/component";
 import discourseComputed from "discourse-common/utils/decorators";
 
-@tagName("th")
-@classNames("admin-report-table-header")
-@classNameBindings("label.mainProperty", "label.type", "isCurrentSort")
-@attributeBindings("label.title:title")
-export default class AdminReportTableHeader extends Component {
+export default Component.extend({
+  tagName: "th",
+  classNames: ["admin-report-table-header"],
+  classNameBindings: ["label.mainProperty", "label.type", "isCurrentSort"],
+  attributeBindings: ["label.title:title"],
+
   @discourseComputed("currentSortLabel.sortProperty", "label.sortProperty")
   isCurrentSort(currentSortField, labelSortField) {
     return currentSortField === labelSortField;
-  }
+  },
 
   @discourseComputed("currentSortDirection")
   sortIcon(currentSortDirection) {
     return currentSortDirection === 1 ? "caret-up" : "caret-down";
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-report-table-row.js

@@ -1,8 +1,6 @@
-import { classNames, tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@tagName("tr")
-@classNames("admin-report-table-row")
-export default class AdminReportTableRow extends Component {
-  options = null;
-}
+export default Component.extend({
+  tagName: "tr",
+  classNames: ["admin-report-table-row"],
+  options: null,
+});

app/assets/javascripts/admin/addon/components/admin-report-table.js

@@ -1,26 +1,22 @@
-import { action } from "@ember/object";
-import { classNameBindings, classNames } from "@ember-decorators/component";
-import { alias } from "@ember/object/computed";
 import Component from "@ember/component";
+import { alias } from "@ember/object/computed";
 import discourseComputed from "discourse-common/utils/decorators";
 import { makeArray } from "discourse-common/lib/helpers";
 
 const PAGES_LIMIT = 8;
 
-@classNameBindings("sortable", "twoColumns")
-@classNames("admin-report-table")
-export default class AdminReportTable extends Component {
-  sortable = false;
-  sortDirection = 1;
-
-  @alias("options.perPage") perPage;
-
-  page = 0;
+export default Component.extend({
+  classNameBindings: ["sortable", "twoColumns"],
+  classNames: ["admin-report-table"],
+  sortable: false,
+  sortDirection: 1,
+  perPage: alias("options.perPage"),
+  page: 0,
 
   @discourseComputed("model.computedLabels.length")
   twoColumns(labelsLength) {
     return labelsLength === 2;
-  }
+  },
 
   @discourseComputed(
     "totalsForSample",
@@ -35,12 +31,12 @@ export default class AdminReportTable extends Component {
       .reduce((s, v) => s + v, 0);
 
     return sum >= 1 && total && datesFiltering;
-  }
+  },
 
   @discourseComputed("model.total", "options.total", "twoColumns")
   showTotal(reportTotal, total, twoColumns) {
     return reportTotal && total && twoColumns;
-  }
+  },
 
   @discourseComputed(
     "model.{average,data}",
@@ -54,17 +50,17 @@ export default class AdminReportTable extends Component {
       sampleTotalValue &&
       hasTwoColumns
     );
-  }
+  },
 
   @discourseComputed("totalsForSample.1.value", "model.data.length")
   averageForSample(totals, count) {
     return (totals / count).toFixed(0);
-  }
+  },
 
   @discourseComputed("model.data.length")
   showSortingUI(dataLength) {
     return dataLength >= 5;
-  }
+  },
 
   @discourseComputed("totalsForSampleRow", "model.computedLabels")
   totalsForSample(row, labels) {
@@ -74,7 +70,7 @@ export default class AdminReportTable extends Component {
       computedLabel.property = label.mainProperty;
       return computedLabel;
     });
-  }
+  },
 
   @discourseComputed("model.data", "model.computedLabels")
   totalsForSampleRow(rows, labels) {
@@ -102,7 +98,7 @@ export default class AdminReportTable extends Component {
     });
 
     return totalsRow;
-  }
+  },
 
   @discourseComputed("sortLabel", "sortDirection", "model.data.[]")
   sortedData(sortLabel, sortDirection, data) {
@@ -122,7 +118,7 @@ export default class AdminReportTable extends Component {
     }
 
     return data;
-  }
+  },
 
   @discourseComputed("sortedData.[]", "perPage", "page")
   paginatedData(data, perPage, page) {
@@ -132,7 +128,7 @@ export default class AdminReportTable extends Component {
     }
 
     return data;
-  }
+  },
 
   @discourseComputed("model.data", "perPage", "page")
   pages(data, perPage, page) {
@@ -160,19 +156,19 @@ export default class AdminReportTable extends Component {
     }
 
     return pages;
-  }
+  },
 
-  @action
-  changePage(page) {
-    this.set("page", page);
-  }
+  actions: {
+    changePage(page) {
+      this.set("page", page);
+    },
 
-  @action
-  sortByLabel(label) {
-    if (this.sortLabel === label) {
-      this.set("sortDirection", this.sortDirection === 1 ? -1 : 1);
-    } else {
-      this.set("sortLabel", label);
-    }
-  }
-}
+    sortByLabel(label) {
+      if (this.sortLabel === label) {
+        this.set("sortDirection", this.sortDirection === 1 ? -1 : 1);
+      } else {
+        this.set("sortLabel", label);
+      }
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/admin-report-trust-level-counts.js

@@ -1,5 +1,4 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@tagName("tr")
-export default class AdminReportTrustLevelCounts extends Component {}
+export default Component.extend({
+  tagName: "tr",
+});

app/assets/javascripts/admin/addon/components/admin-report.js

@@ -1,7 +1,6 @@
-import { classNameBindings, classNames } from "@ember-decorators/component";
-import { alias, and, equal, notEmpty, or } from "@ember/object/computed";
 import EmberObject, { action, computed } from "@ember/object";
 import Report, { DAILY_LIMIT_DAYS, SCHEMA_VERSION } from "admin/models/report";
+import { alias, and, equal, notEmpty, or } from "@ember/object/computed";
 import Component from "@ember/component";
 import I18n from "I18n";
 import ReportLoader from "discourse/lib/reports-loader";
@@ -22,58 +21,51 @@ const TABLE_OPTIONS = {
 
 const CHART_OPTIONS = {};
 
-@classNameBindings(
-  "isHidden:hidden",
-  "isHidden::is-visible",
-  "isEnabled",
-  "isLoading",
-  "dasherizedDataSourceName"
-)
-@classNames("admin-report")
-export default class AdminReport extends Component {
-  isEnabled = true;
-  disabledLabel = I18n.t("admin.dashboard.disabled");
-  isLoading = false;
-  rateLimitationString = null;
-  dataSourceName = null;
-  report = null;
-  model = null;
-  reportOptions = null;
-  forcedModes = null;
-  showAllReportsLink = false;
-  filters = null;
-  showTrend = false;
-  showHeader = true;
-  showTitle = true;
-  showFilteringUI = false;
+export default Component.extend({
+  classNameBindings: [
+    "isHidden:hidden",
+    "isHidden::is-visible",
+    "isEnabled",
+    "isLoading",
+    "dasherizedDataSourceName",
+  ],
+  classNames: ["admin-report"],
+  isEnabled: true,
+  disabledLabel: I18n.t("admin.dashboard.disabled"),
+  isLoading: false,
+  rateLimitationString: null,
+  dataSourceName: null,
+  report: null,
+  model: null,
+  reportOptions: null,
+  forcedModes: null,
+  showAllReportsLink: false,
+  filters: null,
+  showTrend: false,
+  showHeader: true,
+  showTitle: true,
+  showFilteringUI: false,
+  showDatesOptions: alias("model.dates_filtering"),
+  showRefresh: or("showDatesOptions", "model.available_filters.length"),
+  shouldDisplayTrend: and("showTrend", "model.prev_period"),
+  endDate: null,
+  startDate: null,
 
-  @alias("model.dates_filtering") showDatesOptions;
+  init() {
+    this._super(...arguments);
 
-  @or("showDatesOptions", "model.available_filters.length") showRefresh;
+    this._reports = [];
+  },
 
-  @and("showTrend", "model.prev_period") shouldDisplayTrend;
-
-  endDate = null;
-  startDate = null;
-
-  @or("showTimeoutError", "showExceptionError", "showNotFoundError") showError;
-  @equal("model.error", "not_found") showNotFoundError;
-  @equal("model.error", "timeout") showTimeoutError;
-  @equal("model.error", "exception") showExceptionError;
-  @notEmpty("model.data") hasData;
-
-  _reports = [];
-
-  @computed("siteSettings.dashboard_hidden_reports")
-  get isHidden() {
+  isHidden: computed("siteSettings.dashboard_hidden_reports", function () {
     return (this.siteSettings.dashboard_hidden_reports || "")
       .split("|")
       .filter(Boolean)
       .includes(this.dataSourceName);
-  }
+  }),
 
   didReceiveAttrs() {
-    super.didReceiveAttrs(...arguments);
+    this._super(...arguments);
 
     let startDate = moment();
     if (this.filters && isPresent(this.filters.startDate)) {
@@ -96,35 +88,42 @@ export default class AdminReport extends Component {
     } else if (this.dataSourceName) {
       this._fetchReport();
     }
-  }
+  },
+
+  showError: or("showTimeoutError", "showExceptionError", "showNotFoundError"),
+  showNotFoundError: equal("model.error", "not_found"),
+  showTimeoutError: equal("model.error", "timeout"),
+  showExceptionError: equal("model.error", "exception"),
+
+  hasData: notEmpty("model.data"),
 
   @discourseComputed("dataSourceName", "model.type")
   dasherizedDataSourceName(dataSourceName, type) {
     return (dataSourceName || type || "undefined").replace(/_/g, "-");
-  }
+  },
 
   @discourseComputed("dataSourceName", "model.type")
   dataSource(dataSourceName, type) {
     dataSourceName = dataSourceName || type;
     return `/admin/reports/${dataSourceName}`;
-  }
+  },
 
   @discourseComputed("displayedModes.length")
   showModes(displayedModesLength) {
     return displayedModesLength > 1;
-  }
+  },
 
   @discourseComputed("currentMode")
   isChartMode(currentMode) {
     return currentMode === "chart";
-  }
+  },
 
   @action
   changeGrouping(grouping) {
     this.send("refreshReport", {
       chartGrouping: grouping,
     });
-  }
+  },
 
   @discourseComputed("currentMode", "model.modes", "forcedModes")
   displayedModes(currentMode, reportModes, forcedModes) {
@@ -140,12 +139,12 @@ export default class AdminReport extends Component {
         icon: mode === "table" ? "table" : "signal",
       };
     });
-  }
+  },
 
   @discourseComputed("currentMode")
   modeComponent(currentMode) {
     return `admin-report-${currentMode.replace(/_/g, "-")}`;
-  }
+  },
 
   @discourseComputed(
     "dataSourceName",
@@ -179,7 +178,7 @@ export default class AdminReport extends Component {
       .join(":");
 
     return reportKey;
-  }
+  },
 
   @discourseComputed("options.chartGrouping", "model.chartData.length")
   chartGroupings(grouping, count) {
@@ -193,7 +192,7 @@ export default class AdminReport extends Component {
         class: `chart-grouping ${grouping === id ? "active" : "inactive"}`,
       };
     });
-  }
+  },
 
   @action
   onChangeDateRange(range) {
@@ -201,7 +200,7 @@ export default class AdminReport extends Component {
       startDate: range.from,
       endDate: range.to,
     });
-  }
+  },
 
   @action
   applyFilter(id, value) {
@@ -216,7 +215,7 @@ export default class AdminReport extends Component {
     this.send("refreshReport", {
       filters: customFilters,
     });
-  }
+  },
 
   @action
   refreshReport(options = {}) {
@@ -239,7 +238,7 @@ export default class AdminReport extends Component {
           ? this.get("filters.customFilters")
           : options.filters,
     });
-  }
+  },
 
   @action
   exportCsv() {
@@ -255,7 +254,7 @@ export default class AdminReport extends Component {
     }
 
     exportEntity("report", args).then(outputExportResult);
-  }
+  },
 
   @action
   onChangeMode(mode) {
@@ -264,7 +263,7 @@ export default class AdminReport extends Component {
     this.send("refreshReport", {
       chartGrouping: null,
     });
-  }
+  },
 
   _computeReport() {
     if (!this.element || this.isDestroying || this.isDestroyed) {
@@ -307,7 +306,7 @@ export default class AdminReport extends Component {
     }
 
     this._renderReport(report, this.forcedModes, this.currentMode);
-  }
+  },
 
   _renderReport(report, forcedModes, currentMode) {
     const modes = forcedModes ? forcedModes.split(",") : report.modes;
@@ -318,9 +317,11 @@ export default class AdminReport extends Component {
       currentMode,
       options: this._buildOptions(currentMode, report),
     });
-  }
+  },
 
   _fetchReport() {
+    this._super(...arguments);
+
     this.setProperties({ isLoading: true, rateLimitationString: null });
 
     next(() => {
@@ -348,7 +349,7 @@ export default class AdminReport extends Component {
 
       ReportLoader.enqueue(this.dataSourceName, payload.data, callback);
     });
-  }
+  },
 
   _buildPayload(facets) {
     let payload = { data: { facets } };
@@ -374,7 +375,7 @@ export default class AdminReport extends Component {
     }
 
     return payload;
-  }
+  },
 
   _buildOptions(mode, report) {
     if (mode === "table") {
@@ -392,7 +393,7 @@ export default class AdminReport extends Component {
         })
       );
     }
-  }
+  },
 
   _loadReport(jsonReport) {
     Report.fillMissingDates(jsonReport, { filledField: "chartData" });
@@ -422,5 +423,5 @@ export default class AdminReport extends Component {
     }
 
     return Report.create(jsonReport);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-theme-editor.hbs

@@ -44,7 +44,7 @@
             @checked={{this.onlyOverridden}}
             {{on
               "click"
-              (action this.onlyOverriddenChanged value="target.checked")
+              (action "onlyOverriddenChanged" value="target.checked")
             }}
           />
           {{i18n "admin.customize.theme.hide_unused_fields"}}
@@ -125,6 +125,6 @@
   @autofocus="true"
   @placeholder={{this.placeholder}}
   @htmlPlaceholder={{true}}
-  @save={{this.save}}
+  @save={{action "save"}}
   @setWarning={{action "setWarning"}}
 />

app/assets/javascripts/admin/addon/components/admin-theme-editor.js

@@ -3,13 +3,11 @@ import I18n from "I18n";
 import discourseComputed from "discourse-common/utils/decorators";
 import { fmt } from "discourse/lib/computed";
 import { isDocumentRTL } from "discourse/lib/text-direction";
-import { action, computed } from "@ember/object";
+import { action } from "@ember/object";
 import { next } from "@ember/runloop";
 
-export default class AdminThemeEditor extends Component {
-  warning = null;
-
-  @fmt("fieldName", "currentTargetName", "%@|%@") editorId;
+export default Component.extend({
+  warning: null,
 
   @discourseComputed("theme.targets", "onlyOverridden", "showAdvanced")
   visibleTargets(targets, onlyOverridden, showAdvanced) {
@@ -22,7 +20,7 @@ export default class AdminThemeEditor extends Component {
       }
       return target.edited;
     });
-  }
+  },
 
   @discourseComputed("currentTargetName", "onlyOverridden", "theme.fields")
   visibleFields(targetName, onlyOverridden, fields) {
@@ -31,7 +29,7 @@ export default class AdminThemeEditor extends Component {
       fields = fields.filter((field) => field.edited);
     }
     return fields;
-  }
+  },
 
   @discourseComputed("currentTargetName", "fieldName")
   activeSectionMode(targetName, fieldName) {
@@ -45,7 +43,7 @@ export default class AdminThemeEditor extends Component {
       return "scss";
     }
     return fieldName && fieldName.includes("scss") ? "scss" : "html";
-  }
+  },
 
   @discourseComputed("currentTargetName", "fieldName")
   placeholder(targetName, fieldName) {
@@ -60,27 +58,30 @@ export default class AdminThemeEditor extends Component {
       });
     }
     return "";
-  }
+  },
 
-  @computed("fieldName", "currentTargetName", "theme")
-  get activeSection() {
-    return this.theme.getField(this.currentTargetName, this.fieldName);
-  }
+  @discourseComputed("fieldName", "currentTargetName", "theme")
+  activeSection: {
+    get(fieldName, target, model) {
+      return model.getField(target, fieldName);
+    },
+    set(value, fieldName, target, model) {
+      model.setField(target, fieldName, value);
+      return value;
+    },
+  },
 
-  set activeSection(value) {
-    this.theme.setField(this.currentTargetName, this.fieldName, value);
-    return value;
-  }
+  editorId: fmt("fieldName", "currentTargetName", "%@|%@"),
 
   @discourseComputed("maximized")
   maximizeIcon(maximized) {
     return maximized ? "discourse-compress" : "discourse-expand";
-  }
+  },
 
   @discourseComputed("currentTargetName", "theme.targets")
   showAddField(currentTargetName, targets) {
     return targets.find((t) => t.name === currentTargetName).customNames;
-  }
+  },
 
   @discourseComputed(
     "currentTargetName",
@@ -89,45 +90,52 @@ export default class AdminThemeEditor extends Component {
   )
   error(target, fieldName) {
     return this.theme.getError(target, fieldName);
-  }
+  },
 
   @action
   toggleShowAdvanced(event) {
     event?.preventDefault();
     this.toggleProperty("showAdvanced");
-  }
+  },
 
   @action
   toggleAddField(event) {
     event?.preventDefault();
     this.toggleProperty("addingField");
-  }
+  },
 
   @action
   toggleMaximize(event) {
     event?.preventDefault();
     this.toggleProperty("maximized");
     next(() => this.appEvents.trigger("ace:resize"));
-  }
+  },
 
-  @action
-  cancelAddField() {
-    this.set("addingField", false);
-  }
+  actions: {
+    cancelAddField() {
+      this.set("addingField", false);
+    },
 
-  @action
-  addField(name) {
-    if (!name) {
-      return;
-    }
-    name = name.replace(/[^a-zA-Z0-9-_/]/g, "");
-    this.theme.setField(this.currentTargetName, name, "");
-    this.setProperties({ newFieldName: "", addingField: false });
-    this.fieldAdded(this.currentTargetName, name);
-  }
+    addField(name) {
+      if (!name) {
+        return;
+      }
+      name = name.replace(/[^a-zA-Z0-9-_/]/g, "");
+      this.theme.setField(this.currentTargetName, name, "");
+      this.setProperties({ newFieldName: "", addingField: false });
+      this.fieldAdded(this.currentTargetName, name);
+    },
 
-  @action
-  setWarning(message) {
-    this.set("warning", message);
-  }
-}
+    onlyOverriddenChanged(value) {
+      this.onlyOverriddenChanged(value);
+    },
+
+    save() {
+      this.attrs.save();
+    },
+
+    setWarning(message) {
+      this.set("warning", message);
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/admin-watched-word.js

@@ -1,27 +1,23 @@
-import { classNames } from "@ember-decorators/component";
-import { inject as service } from "@ember/service";
-import { alias, equal } from "@ember/object/computed";
 import Component from "@ember/component";
+import { alias, equal } from "@ember/object/computed";
 import discourseComputed from "discourse-common/utils/decorators";
 import { action } from "@ember/object";
 import I18n from "I18n";
+import { inject as service } from "@ember/service";
 
-@classNames("watched-word")
-export default class AdminWatchedWord extends Component {
-  @service dialog;
+export default Component.extend({
+  classNames: ["watched-word"],
+  dialog: service(),
 
-  @equal("actionKey", "replace") isReplace;
-
-  @equal("actionKey", "tag") isTag;
-
-  @equal("actionKey", "link") isLink;
-
-  @alias("word.case_sensitive") isCaseSensitive;
+  isReplace: equal("actionKey", "replace"),
+  isTag: equal("actionKey", "tag"),
+  isLink: equal("actionKey", "link"),
+  isCaseSensitive: alias("word.case_sensitive"),
 
   @discourseComputed("word.replacement")
   tags(replacement) {
     return replacement.split(",");
-  }
+  },
 
   @action
   deleteWord() {
@@ -37,5 +33,5 @@ export default class AdminWatchedWord extends Component {
           })
         );
       });
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/admin-wrapper.js

@@ -1,15 +1,14 @@
 import Component from "@ember/component";
-
-export default class AdminWrapper extends Component {
+export default Component.extend({
   didInsertElement() {
-    super.didInsertElement(...arguments);
+    this._super(...arguments);
     document.querySelector("html").classList.add("admin-area");
     document.querySelector("body").classList.add("admin-interface");
-  }
+  },
 
   willDestroyElement() {
-    super.willDestroyElement(...arguments);
+    this._super(...arguments);
     document.querySelector("html").classList.remove("admin-area");
     document.querySelector("body").classList.remove("admin-interface");
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/cancel-link.js

@@ -1,5 +1,4 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@tagName("")
-export default class CancelLink extends Component {}
+export default Component.extend({
+  tagName: "",
+});

app/assets/javascripts/admin/addon/components/color-input.js

@@ -1,7 +1,6 @@
-import { classNames } from "@ember-decorators/component";
 import { action, computed } from "@ember/object";
 import Component from "@ember/component";
-import { observes } from "@ember-decorators/object";
+import { observes } from "discourse-common/utils/decorators";
 
 /**
   An input field for a color.
@@ -10,20 +9,20 @@ import { observes } from "@ember-decorators/object";
   @param brightnessValue is a number from 0 to 255 representing the brightness of the color. See ColorSchemeColor.
   @params valid is a boolean indicating if the input field is a valid color.
 **/
-@classNames("color-picker")
-export default class ColorInput extends Component {
-  onlyHex = true;
-  styleSelection = true;
+export default Component.extend({
+  classNames: ["color-picker"],
 
-  @computed("onlyHex")
-  get maxlength() {
+  onlyHex: true,
+
+  styleSelection: true,
+
+  maxlength: computed("onlyHex", function () {
     return this.onlyHex ? 6 : null;
-  }
+  }),
 
-  @computed("hexValue")
-  get normalizedHexValue() {
+  normalizedHexValue: computed("hexValue", function () {
     return this.normalize(this.hexValue);
-  }
+  }),
 
   normalize(color) {
     if (this._valid(color)) {
@@ -41,19 +40,19 @@ export default class ColorInput extends Component {
       }
     }
     return color;
-  }
+  },
 
   @action
   onHexInput(color) {
     if (this.attrs.onChangeColor) {
       this.attrs.onChangeColor(this.normalize(color || ""));
     }
-  }
+  },
 
   @action
   onPickerInput(event) {
     this.set("hexValue", event.target.value.replace("#", ""));
-  }
+  },
 
   @observes("hexValue", "brightnessValue", "valid")
   hexValueChanged() {
@@ -66,9 +65,9 @@ export default class ColorInput extends Component {
     if (this._valid()) {
       this.element.querySelector(".picker").value = this.normalize(hex);
     }
-  }
+  },
 
   _valid(color = this.hexValue) {
     return /^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/.test(color);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/dashboard-new-feature-item.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class DashboardNewFeatureItem extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/dashboard-new-features.js

@@ -1,19 +1,18 @@
-import { classNameBindings, classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
 import { action, computed } from "@ember/object";
 import { ajax } from "discourse/lib/ajax";
 
-@classNames("section", "dashboard-new-features")
-@classNameBindings("hasUnseenFeatures:ordered-first")
-export default class DashboardNewFeatures extends Component {
-  newFeatures = null;
-  releaseNotesLink = null;
+export default Component.extend({
+  newFeatures: null,
+  classNames: ["section", "dashboard-new-features"],
+  classNameBindings: ["hasUnseenFeatures:ordered-first"],
+  releaseNotesLink: null,
 
-  constructor() {
-    super(...arguments);
+  init() {
+    this._super(...arguments);
 
     ajax("/admin/dashboard/new-features.json").then((json) => {
-      if (this.isDestroying || this.isDestroyed) {
+      if (!this.element || this.isDestroying || this.isDestroyed) {
         return;
       }
 
@@ -23,17 +22,16 @@ export default class DashboardNewFeatures extends Component {
         releaseNotesLink: json.release_notes_link,
       });
     });
-  }
+  },
 
-  @computed("newFeatures")
-  get columnCountClass() {
+  columnCountClass: computed("newFeatures", function () {
     return this.newFeatures.length > 2 ? "three-or-more-items" : "";
-  }
+  }),
 
   @action
   dismissNewFeatures() {
     ajax("/admin/dashboard/mark-new-features-as-seen.json", {
       type: "PUT",
     }).then(() => this.set("hasUnseenFeatures", false));
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/dashboard-problems.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class DashboardProblems extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/email-styles-editor.hbs

@@ -29,7 +29,7 @@
   @content={{this.editorContents}}
   @mode={{this.currentEditorMode}}
   @editorId={{this.editorId}}
-  @save={{@save}}
+  @save={{action "save"}}
 />
 
 <div class="admin-footer">

app/assets/javascripts/admin/addon/components/email-styles-editor.js

@@ -1,19 +1,17 @@
-import { action, computed } from "@ember/object";
-import { inject as service } from "@ember/service";
-import { reads } from "@ember/object/computed";
 import Component from "@ember/component";
 import I18n from "I18n";
 import discourseComputed from "discourse-common/utils/decorators";
+import { reads } from "@ember/object/computed";
+import { inject as service } from "@ember/service";
 
-export default class EmailStylesEditor extends Component {
-  @service dialog;
-
-  @reads("fieldName") editorId;
+export default Component.extend({
+  dialog: service(),
+  editorId: reads("fieldName"),
 
   @discourseComputed("fieldName")
   currentEditorMode(fieldName) {
     return fieldName === "css" ? "scss" : fieldName;
-  }
+  },
 
   @discourseComputed("fieldName", "styles.html", "styles.css")
   resetDisabled(fieldName) {
@@ -21,31 +19,36 @@ export default class EmailStylesEditor extends Component {
       this.get(`styles.${fieldName}`) ===
       this.get(`styles.default_${fieldName}`)
     );
-  }
+  },
 
-  @computed("styles", "fieldName")
-  get editorContents() {
-    return this.styles[this.fieldName];
-  }
+  @discourseComputed("styles", "fieldName")
+  editorContents: {
+    get(styles, fieldName) {
+      return styles[fieldName];
+    },
+    set(value, styles, fieldName) {
+      styles.setField(fieldName, value);
+      return value;
+    },
+  },
 
-  set editorContents(value) {
-    this.styles.setField(this.fieldName, value);
-    return value;
-  }
-
-  @action
-  reset() {
-    this.dialog.yesNoConfirm({
-      message: I18n.t("admin.customize.email_style.reset_confirm", {
-        fieldName: I18n.t(`admin.customize.email_style.${this.fieldName}`),
-      }),
-      didConfirm: () => {
-        this.styles.setField(
-          this.fieldName,
-          this.styles.get(`default_${this.fieldName}`)
-        );
-        this.notifyPropertyChange("editorContents");
-      },
-    });
-  }
-}
+  actions: {
+    reset() {
+      this.dialog.yesNoConfirm({
+        message: I18n.t("admin.customize.email_style.reset_confirm", {
+          fieldName: I18n.t(`admin.customize.email_style.${this.fieldName}`),
+        }),
+        didConfirm: () => {
+          this.styles.setField(
+            this.fieldName,
+            this.styles.get(`default_${this.fieldName}`)
+          );
+          this.notifyPropertyChange("editorContents");
+        },
+      });
+    },
+    save() {
+      this.attrs.save();
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/embeddable-host.hbs

@@ -9,6 +9,15 @@
       autofocus={{true}}
     />
   </td>
+  <td class="editing-input">
+    <div class="label">{{i18n "admin.embedding.class_name"}}</div>
+    <Input
+      @value={{this.buffered.class_name}}
+      placeholder="class"
+      @enter={{action "save"}}
+      class="class-name"
+    />
+  </td>
   <td class="editing-input">
     <div class="label">{{i18n "admin.embedding.allowed_paths"}}</div>
     <Input
@@ -45,6 +54,12 @@
     <div class="label">{{i18n "admin.embedding.host"}}</div>
     {{this.host.host}}
   </td>
+  <td>
+    <div class="label">
+      {{i18n "admin.embedding.class_name"}}
+    </div>
+    {{this.host.class_name}}
+  </td>
   <td>
     <div class="label">
       {{i18n "admin.embedding.allowed_paths"}}

app/assets/javascripts/admin/addon/components/embeddable-host.js

@@ -1,91 +1,85 @@
-import { action } from "@ember/object";
-import { tagName } from "@ember-decorators/component";
-import { inject as service } from "@ember/service";
-import { or } from "@ember/object/computed";
 import Category from "discourse/models/category";
 import Component from "@ember/component";
 import I18n from "I18n";
 import { bufferedProperty } from "discourse/mixins/buffered-content";
 import discourseComputed from "discourse-common/utils/decorators";
+import { inject as service } from "@ember/service";
 import { isEmpty } from "@ember/utils";
+import { or } from "@ember/object/computed";
 import { popupAjaxError } from "discourse/lib/ajax-error";
 
-@tagName("tr")
-export default class EmbeddableHost extends Component.extend(
-  bufferedProperty("host")
-) {
-  @service dialog;
-  editToggled = false;
-  categoryId = null;
-  category = null;
+export default Component.extend(bufferedProperty("host"), {
+  editToggled: false,
+  tagName: "tr",
+  categoryId: null,
+  category: null,
+  dialog: service(),
 
-  @or("host.isNew", "editToggled") editing;
+  editing: or("host.isNew", "editToggled"),
 
   init() {
-    super.init(...arguments);
+    this._super(...arguments);
 
     const host = this.host;
     const categoryId = host.category_id || this.site.uncategorized_category_id;
     const category = Category.findById(categoryId);
 
     host.set("category", category);
-  }
+  },
 
   @discourseComputed("buffered.host", "host.isSaving")
   cantSave(host, isSaving) {
     return isSaving || isEmpty(host);
-  }
+  },
 
-  @action
-  edit() {
-    this.set("categoryId", this.get("host.category.id"));
-    this.set("editToggled", true);
-  }
+  actions: {
+    edit() {
+      this.set("categoryId", this.get("host.category.id"));
+      this.set("editToggled", true);
+    },
 
-  @action
-  save() {
-    if (this.cantSave) {
-      return;
-    }
+    save() {
+      if (this.cantSave) {
+        return;
+      }
 
-    const props = this.buffered.getProperties(
-      "host",
-      "allowed_paths",
-      "class_name"
-    );
-    props.category_id = this.categoryId;
+      const props = this.buffered.getProperties(
+        "host",
+        "allowed_paths",
+        "class_name"
+      );
+      props.category_id = this.categoryId;
 
-    const host = this.host;
+      const host = this.host;
 
-    host
-      .save(props)
-      .then(() => {
-        host.set("category", Category.findById(this.categoryId));
+      host
+        .save(props)
+        .then(() => {
+          host.set("category", Category.findById(this.categoryId));
+          this.set("editToggled", false);
+        })
+        .catch(popupAjaxError);
+    },
+
+    delete() {
+      return this.dialog.confirm({
+        message: I18n.t("admin.embedding.confirm_delete"),
+        didConfirm: () => {
+          return this.host.destroyRecord().then(() => {
+            this.deleteHost(this.host);
+          });
+        },
+      });
+    },
+
+    cancel() {
+      const host = this.host;
+      if (host.get("isNew")) {
+        this.deleteHost(host);
+      } else {
+        this.rollbackBuffer();
         this.set("editToggled", false);
-      })
-      .catch(popupAjaxError);
-  }
-
-  @action
-  delete() {
-    return this.dialog.confirm({
-      message: I18n.t("admin.embedding.confirm_delete"),
-      didConfirm: () => {
-        return this.host.destroyRecord().then(() => {
-          this.deleteHost(this.host);
-        });
-      },
-    });
-  }
-
-  @action
-  cancel() {
-    const host = this.host;
-    if (host.get("isNew")) {
-      this.deleteHost(host);
-    } else {
-      this.rollbackBuffer();
-      this.set("editToggled", false);
-    }
-  }
-}
+      }
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/embedding-setting.js

@@ -1,33 +1,33 @@
-import { classNames } from "@ember-decorators/component";
-import { computed } from "@ember/object";
 import Component from "@ember/component";
 import discourseComputed from "discourse-common/utils/decorators";
 import { dasherize } from "@ember/string";
 
-@classNames("embed-setting")
-export default class EmbeddingSetting extends Component {
+export default Component.extend({
+  classNames: ["embed-setting"],
+
   @discourseComputed("field")
   inputId(field) {
     return dasherize(field);
-  }
+  },
 
   @discourseComputed("field")
   translationKey(field) {
     return `admin.embedding.${field}`;
-  }
+  },
 
   @discourseComputed("type")
   isCheckbox(type) {
     return type === "checkbox";
-  }
+  },
 
-  @computed("value")
-  get checked() {
-    return !!this.value;
-  }
-
-  set(value) {
-    this.set("value", value);
-    return value;
-  }
-}
+  @discourseComputed("value")
+  checked: {
+    get(value) {
+      return !!value;
+    },
+    set(value) {
+      this.set("value", value);
+      return value;
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/emoji-value-list.js

@@ -1,4 +1,3 @@
-import { classNameBindings } from "@ember-decorators/component";
 import Component from "@ember/component";
 import I18n from "I18n";
 import discourseComputed from "discourse-common/utils/decorators";
@@ -7,12 +6,12 @@ import { action, set, setProperties } from "@ember/object";
 import { schedule } from "@ember/runloop";
 import discourseLater from "discourse-common/lib/later";
 
-@classNameBindings(":value-list", ":emoji-list")
-export default class EmojiValueList extends Component {
-  values = null;
-  validationMessage = null;
-  emojiPickerIsActive = false;
-  isEditorFocused = false;
+export default Component.extend({
+  classNameBindings: [":value-list", ":emoji-list"],
+  values: null,
+  validationMessage: null,
+  emojiPickerIsActive: false,
+  isEditorFocused: false,
 
   @discourseComputed("values")
   collection(values) {
@@ -29,14 +28,14 @@ export default class EmojiValueList extends Component {
           emojiUrl: emojiUrlFor(value),
         };
       });
-  }
+  },
 
   @action
   closeEmojiPicker() {
     this.collection.setEach("isEditing", false);
     this.set("emojiPickerIsActive", false);
     this.set("isEditorFocused", false);
-  }
+  },
 
   @action
   emojiSelected(code) {
@@ -66,12 +65,12 @@ export default class EmojiValueList extends Component {
 
     this.set("emojiPickerIsActive", false);
     this.set("isEditorFocused", false);
-  }
+  },
 
   @discourseComputed("collection")
   showUpDownButtons(collection) {
     return collection.length - 1 ? true : false;
-  }
+  },
 
   _splitValues(values) {
     if (values && values.length) {
@@ -92,7 +91,7 @@ export default class EmojiValueList extends Component {
     } else {
       return [];
     }
-  }
+  },
 
   @action
   editValue(index) {
@@ -112,12 +111,12 @@ export default class EmojiValueList extends Component {
         }
       }, 100);
     });
-  }
+  },
 
   @action
   removeValue(value) {
     this._removeValue(value);
-  }
+  },
 
   @action
   shift(operation, index) {
@@ -134,7 +133,7 @@ export default class EmojiValueList extends Component {
     this.collection.insertAt(futureIndex, shiftedEmoji);
 
     this._saveValues();
-  }
+  },
 
   _validateInput(input) {
     this.set("validationMessage", null);
@@ -148,12 +147,12 @@ export default class EmojiValueList extends Component {
     }
 
     return true;
-  }
+  },
 
   _removeValue(value) {
     this.collection.removeObject(value);
     this._saveValues();
-  }
+  },
 
   _replaceValue(index, newValue) {
     const item = this.collection[index];
@@ -162,9 +161,9 @@ export default class EmojiValueList extends Component {
     }
     set(item, "value", newValue);
     this._saveValues();
-  }
+  },
 
   _saveValues() {
     this.set("values", this.collection.mapBy("value").join("|"));
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/flag-user-lists.js

@@ -1,5 +1,4 @@
-import { classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@classNames("flag-user-lists")
-export default class FlagUserLists extends Component {}
+export default Component.extend({
+  classNames: ["flag-user-lists"],
+});

app/assets/javascripts/admin/addon/components/flag-user.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class FlagUser extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/form-template/form.hbs

@@ -1,4 +1,4 @@
-<div class="form-templates__form">
+<div class="form-templates--form">
   <div class="control-group">
     <label for="template-name">
       {{i18n "admin.form_templates.new_template_form.name.label"}}
@@ -6,38 +6,24 @@
     <TextField
       @value={{this.templateName}}
       @name="template-name"
-      @class="form-templates__form-name-input"
+      @class="form-templates--form-name-input"
       @placeholderKey="admin.form_templates.new_template_form.name.placeholder"
     />
   </div>
-  <div class="control-group form-templates__editor">
-    <div class="form-templates__quick-insert-field-buttons">
-      <span>
-        {{I18n "admin.form_templates.quick_insert_fields.add_new_field"}}
-      </span>
-      {{#each this.quickInsertFields as |field|}}
-        <DButton
-          @class="btn-flat btn-icon-text quick-insert-{{field.type}}"
-          @icon={{field.icon}}
-          @label="admin.form_templates.quick_insert_fields.{{field.type}}"
-          @action={{this.onInsertField}}
-          @actionParam={{field.type}}
-        />
-      {{/each}}
+
+  <div class="control-group form-templates--quick-insert-field-buttons">
+    <span>
+      {{I18n "admin.form_templates.quick_insert_fields.add_new_field"}}
+    </span>
+    {{#each this.quickInsertFields as |field|}}
       <DButton
-        class="btn-flat btn-icon-text form-templates__validations-modal-button"
-        @label="admin.form_templates.validations_modal.button_title"
-        @icon="check-circle"
-        @action={{this.showValidationOptionsModal}}
+        @class="btn-flat btn-icon-text quick-insert-{{field.type}}"
+        @icon={{field.icon}}
+        @label="admin.form_templates.quick_insert_fields.{{field.type}}"
+        @action={{this.onInsertField}}
+        @actionParam={{field.type}}
       />
-    </div>
-    <DButton
-      @class="form-templates__preview-button"
-      @icon="eye"
-      @label="admin.form_templates.new_template_form.preview"
-      @action={{this.showPreview}}
-      @disabled={{this.disablePreviewButton}}
-    />
+    {{/each}}
   </div>
 
   <div class="control-group">
@@ -50,7 +36,7 @@
       @label="admin.form_templates.new_template_form.submit"
       @icon="check"
       @action={{this.onSubmit}}
-      @disabled={{this.disableSubmitButton}}
+      @disabled={{this.formSubmitted}}
     />
 
     <DButton

app/assets/javascripts/admin/addon/components/form-template/form.js

@@ -6,15 +6,14 @@ import I18n from "I18n";
 import { popupAjaxError } from "discourse/lib/ajax-error";
 import { templateFormFields } from "admin/lib/template-form-fields";
 import FormTemplate from "admin/models/form-template";
-import showModal from "discourse/lib/show-modal";
 
 export default class FormTemplateForm extends Component {
   @service router;
   @service dialog;
   @tracked formSubmitted = false;
   @tracked templateContent = this.args.model?.template || "";
-  @tracked templateName = this.args.model?.name || "";
   isEditing = this.args.model?.id ? true : false;
+  templateName = this.args.model?.name;
   quickInsertFields = [
     {
       type: "checkbox",
@@ -42,17 +41,6 @@ export default class FormTemplateForm extends Component {
     },
   ];
 
-  get disablePreviewButton() {
-    return Boolean(!this.templateName.length || !this.templateContent.length);
-  }
-
-  get disableSubmitButton() {
-    return (
-      Boolean(!this.templateName.length || !this.templateContent.length) ||
-      this.formSubmitted
-    );
-  }
-
   @action
   onSubmit() {
     if (!this.formSubmitted) {
@@ -66,17 +54,27 @@ export default class FormTemplateForm extends Component {
 
     if (this.isEditing) {
       postData["id"] = this.args.model.id;
-    }
 
-    FormTemplate.createOrUpdateTemplate(postData)
-      .then(() => {
-        this.formSubmitted = false;
-        this.router.transitionTo("adminCustomizeFormTemplates.index");
-      })
-      .catch((e) => {
-        popupAjaxError(e);
-        this.formSubmitted = false;
-      });
+      FormTemplate.updateTemplate(this.args.model.id, postData)
+        .then(() => {
+          this.formSubmitted = false;
+          this.router.transitionTo("adminCustomizeFormTemplates.index");
+        })
+        .catch((e) => {
+          popupAjaxError(e);
+          this.formSubmitted = false;
+        });
+    } else {
+      FormTemplate.createTemplate(postData)
+        .then(() => {
+          this.formSubmitted = false;
+          this.router.transitionTo("adminCustomizeFormTemplates.index");
+        })
+        .catch((e) => {
+          popupAjaxError(e);
+          this.formSubmitted = false;
+        });
+    }
   }
 
   @action
@@ -108,33 +106,4 @@ export default class FormTemplateForm extends Component {
       this.templateContent += `\n${structure}`;
     }
   }
-
-  @action
-  showValidationOptionsModal() {
-    return showModal("admin-form-template-validation-options", {
-      admin: true,
-    });
-  }
-
-  @action
-  showPreview() {
-    const data = {
-      name: this.templateName,
-      template: this.templateContent,
-    };
-
-    if (this.isEditing) {
-      data["id"] = this.args.model.id;
-    }
-
-    FormTemplate.validateTemplate(data)
-      .then(() => {
-        return showModal("form-template-form-preview", {
-          model: {
-            content: this.templateContent,
-          },
-        });
-      })
-      .catch(popupAjaxError);
-  }
 }

app/assets/javascripts/admin/addon/components/form-template/row-item.hbs

@@ -1,10 +1,5 @@
 <tr class="admin-list-item">
   <td class="col first">{{@template.name}}</td>
-  <td class="col categories">
-    {{#each this.activeCategories as |category|}}
-      {{category-link category}}
-    {{/each}}
-  </td>
   <td class="col action">
     <DButton
       @title="admin.form_templates.list_table.actions.view"

app/assets/javascripts/admin/addon/components/form-template/row-item.js

@@ -9,17 +9,11 @@ import I18n from "I18n";
 export default class FormTemplateRowItem extends Component {
   @service router;
   @service dialog;
-  @service site;
-
-  get activeCategories() {
-    return this.site?.categories?.filter((c) =>
-      c["form_template_ids"].includes(this.args.template.id)
-    );
-  }
 
   @action
   viewTemplate() {
-    showModal("customize-form-template-view", {
+    showModal("admin-customize-form-template-view", {
+      admin: true,
       model: this.args.template,
       refreshModel: this.args.refreshModel,
     });

app/assets/javascripts/admin/addon/components/highlighted-code.js

@@ -1,11 +1,11 @@
-import { observes, on } from "@ember-decorators/object";
+import { observes, on } from "discourse-common/utils/decorators";
 import Component from "@ember/component";
 import highlightSyntax from "discourse/lib/highlight-syntax";
 
-export default class HighlightedCode extends Component {
+export default Component.extend({
   @on("didInsertElement")
   @observes("code")
   _refresh() {
     highlightSyntax(this.element, this.siteSettings, this.session);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/inline-edit-checkbox.js

@@ -1,15 +1,15 @@
-import { classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
 import { action } from "@ember/object";
 import discourseComputed from "discourse-common/utils/decorators";
 
-@classNames("inline-edit")
-export default class InlineEditCheckbox extends Component {
-  buffer = null;
-  bufferModelId = null;
+export default Component.extend({
+  classNames: ["inline-edit"],
+
+  buffer: null,
+  bufferModelId: null,
 
   didReceiveAttrs() {
-    super.didReceiveAttrs(...arguments);
+    this._super(...arguments);
 
     if (this.modelId !== this.bufferModelId) {
       // HACK: The condition above ensures this method is called only when its
@@ -24,21 +24,21 @@ export default class InlineEditCheckbox extends Component {
         bufferModelId: this.modelId,
       });
     }
-  }
+  },
 
   @discourseComputed("checked", "buffer")
   changed(checked, buffer) {
     return !!checked !== !!buffer;
-  }
+  },
 
   @action
   apply() {
     this.set("checked", this.buffer);
     this.action();
-  }
+  },
 
   @action
   cancel() {
     this.set("buffer", this.checked);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/install-theme-item.js

@@ -1,5 +1,4 @@
-import { classNames } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@classNames("install-theme-item")
-export default class InstallThemeItem extends Component {}
+export default Component.extend({
+  classNames: ["install-theme-item"],
+});

app/assets/javascripts/admin/addon/components/ip-lookup.js

@@ -1,5 +1,3 @@
-import { classNames } from "@ember-decorators/component";
-import { inject as service } from "@ember/service";
 import AdminUser from "admin/models/admin-user";
 import Component from "@ember/component";
 import EmberObject, { action } from "@ember/object";
@@ -8,11 +6,12 @@ import { ajax } from "discourse/lib/ajax";
 import copyText from "discourse/lib/copy-text";
 import discourseComputed from "discourse-common/utils/decorators";
 import discourseLater from "discourse-common/lib/later";
+import { inject as service } from "@ember/service";
 import { popupAjaxError } from "discourse/lib/ajax-error";
 
-@classNames("ip-lookup")
-export default class IpLookup extends Component {
-  @service dialog;
+export default Component.extend({
+  classNames: ["ip-lookup"],
+  dialog: service(),
 
   @discourseComputed("other_accounts.length", "totalOthersWithSameIP")
   otherAccountsToDelete(otherAccountsLength, totalOthersWithSameIP) {
@@ -20,100 +19,101 @@ export default class IpLookup extends Component {
     const total = Math.min(50, totalOthersWithSameIP || 0);
     const visible = Math.min(50, otherAccountsLength || 0);
     return Math.max(visible, total);
-  }
+  },
 
   @action
   hide(event) {
     event?.preventDefault();
     this.set("show", false);
-  }
+  },
 
-  @action
-  lookup() {
-    this.set("show", true);
+  actions: {
+    lookup() {
+      this.set("show", true);
 
-    if (!this.location) {
-      ajax("/admin/users/ip-info", {
-        data: { ip: this.ip },
-      }).then((location) => this.set("location", EmberObject.create(location)));
-    }
+      if (!this.location) {
+        ajax("/admin/users/ip-info", {
+          data: { ip: this.ip },
+        }).then((location) =>
+          this.set("location", EmberObject.create(location))
+        );
+      }
 
-    if (!this.other_accounts) {
-      this.set("otherAccountsLoading", true);
+      if (!this.other_accounts) {
+        this.set("otherAccountsLoading", true);
 
-      const data = {
-        ip: this.ip,
-        exclude: this.userId,
-        order: "trust_level DESC",
-      };
+        const data = {
+          ip: this.ip,
+          exclude: this.userId,
+          order: "trust_level DESC",
+        };
 
-      ajax("/admin/users/total-others-with-same-ip", {
-        data,
-      }).then((result) => this.set("totalOthersWithSameIP", result.total));
+        ajax("/admin/users/total-others-with-same-ip", {
+          data,
+        }).then((result) => this.set("totalOthersWithSameIP", result.total));
 
-      AdminUser.findAll("active", data).then((users) => {
-        this.setProperties({
-          other_accounts: users,
-          otherAccountsLoading: false,
+        AdminUser.findAll("active", data).then((users) => {
+          this.setProperties({
+            other_accounts: users,
+            otherAccountsLoading: false,
+          });
         });
+      }
+    },
+
+    copy() {
+      let text = `IP: ${this.ip}\n`;
+      const location = this.location;
+      if (location) {
+        if (location.hostname) {
+          text += `${I18n.t("ip_lookup.hostname")}: ${location.hostname}\n`;
+        }
+
+        text += I18n.t("ip_lookup.location");
+        if (location.location) {
+          text += `: ${location.location}\n`;
+        } else {
+          text += `: ${I18n.t("ip_lookup.location_not_found")}\n`;
+        }
+
+        if (location.organization) {
+          text += I18n.t("ip_lookup.organisation");
+          text += `: ${location.organization}\n`;
+        }
+      }
+
+      const $copyRange = $('<p id="copy-range"></p>');
+      $copyRange.html(text.trim().replace(/\n/g, "<br>"));
+      $(document.body).append($copyRange);
+      if (copyText(text, $copyRange[0])) {
+        this.set("copied", true);
+        discourseLater(() => this.set("copied", false), 2000);
+      }
+      $copyRange.remove();
+    },
+
+    deleteOtherAccounts() {
+      this.dialog.yesNoConfirm({
+        message: I18n.t("ip_lookup.confirm_delete_other_accounts"),
+        didConfirm: () => {
+          this.setProperties({
+            other_accounts: null,
+            otherAccountsLoading: true,
+            totalOthersWithSameIP: null,
+          });
+
+          ajax("/admin/users/delete-others-with-same-ip.json", {
+            type: "DELETE",
+            data: {
+              ip: this.ip,
+              exclude: this.userId,
+              order: "trust_level DESC",
+            },
+          })
+            .catch(popupAjaxError)
+            .finally(this.send("lookup"));
+        },
       });
-    }
-  }
-
-  @action
-  copy() {
-    let text = `IP: ${this.ip}\n`;
-    const location = this.location;
-    if (location) {
-      if (location.hostname) {
-        text += `${I18n.t("ip_lookup.hostname")}: ${location.hostname}\n`;
-      }
-
-      text += I18n.t("ip_lookup.location");
-      if (location.location) {
-        text += `: ${location.location}\n`;
-      } else {
-        text += `: ${I18n.t("ip_lookup.location_not_found")}\n`;
-      }
-
-      if (location.organization) {
-        text += I18n.t("ip_lookup.organisation");
-        text += `: ${location.organization}\n`;
-      }
-    }
-
-    const $copyRange = $('<p id="copy-range"></p>');
-    $copyRange.html(text.trim().replace(/\n/g, "<br>"));
-    $(document.body).append($copyRange);
-    if (copyText(text, $copyRange[0])) {
-      this.set("copied", true);
-      discourseLater(() => this.set("copied", false), 2000);
-    }
-    $copyRange.remove();
-  }
-
-  @action
-  deleteOtherAccounts() {
-    this.dialog.yesNoConfirm({
-      message: I18n.t("ip_lookup.confirm_delete_other_accounts"),
-      didConfirm: () => {
-        this.setProperties({
-          other_accounts: null,
-          otherAccountsLoading: true,
-          totalOthersWithSameIP: null,
-        });
-
-        ajax("/admin/users/delete-others-with-same-ip.json", {
-          type: "DELETE",
-          data: {
-            ip: this.ip,
-            exclude: this.userId,
-            order: "trust_level DESC",
-          },
-        })
-          .catch(popupAjaxError)
-          .finally(this.send("lookup"));
-      },
-    });
-  }
-}
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/moderation-history-item.js

@@ -1,5 +1,4 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@tagName("tr")
-export default class ModerationHistoryItem extends Component {}
+export default Component.extend({
+  tagName: "tr",
+});

app/assets/javascripts/admin/addon/components/permalink-form.js

@@ -1,5 +1,3 @@
-import { tagName } from "@ember-decorators/component";
-import { inject as service } from "@ember/service";
 import Component from "@ember/component";
 import I18n from "I18n";
 import Permalink from "admin/models/permalink";
@@ -7,18 +5,16 @@ import discourseComputed, { bind } from "discourse-common/utils/decorators";
 import { fmt } from "discourse/lib/computed";
 import { schedule } from "@ember/runloop";
 import { action } from "@ember/object";
+import { inject as service } from "@ember/service";
 
-@tagName("")
-export default class PermalinkForm extends Component {
-  @service dialog;
-
-  formSubmitted = false;
-  permalinkType = "topic_id";
-
-  @fmt("permalinkType", "admin.permalink.%@") permalinkTypePlaceholder;
-
-  action = null;
-  permalinkTypeValue = null;
+export default Component.extend({
+  tagName: "",
+  dialog: service(),
+  formSubmitted: false,
+  permalinkType: "topic_id",
+  permalinkTypePlaceholder: fmt("permalinkType", "admin.permalink.%@"),
+  action: null,
+  permalinkTypeValue: null,
 
   @discourseComputed
   permalinkTypes() {
@@ -29,21 +25,21 @@ export default class PermalinkForm extends Component {
       { id: "tag_name", name: I18n.t("admin.permalink.tag_name") },
       { id: "external_url", name: I18n.t("admin.permalink.external_url") },
     ];
-  }
+  },
 
   @bind
   focusPermalink() {
     schedule("afterRender", () =>
       document.querySelector(".permalink-url")?.focus()
     );
-  }
+  },
 
   @action
   submitFormOnEnter(event) {
     if (event.key === "Enter") {
       this.onSubmit();
     }
-  }
+  },
 
   @action
   onSubmit() {
@@ -88,5 +84,5 @@ export default class PermalinkForm extends Component {
           }
         );
     }
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/report-filters/bool.js

@@ -1,16 +1,16 @@
 import FilterComponent from "admin/components/report-filters/filter";
 import { action } from "@ember/object";
 
-export default class Bool extends FilterComponent {
-  checked = false;
+export default FilterComponent.extend({
+  checked: false,
 
   didReceiveAttrs() {
-    super.didReceiveAttrs(...arguments);
+    this._super(...arguments);
     this.set("checked", !!this.filter.default);
-  }
+  },
 
   @action
   onChange() {
     this.applyFilter(this.filter.id, !this.checked || undefined);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/report-filters/category.js

@@ -1,12 +1,12 @@
-import { readOnly } from "@ember/object/computed";
 import FilterComponent from "admin/components/report-filters/filter";
 import { action } from "@ember/object";
+import { readOnly } from "@ember/object/computed";
 
-export default class Category extends FilterComponent {
-  @readOnly("filter.default") category;
+export default FilterComponent.extend({
+  category: readOnly("filter.default"),
 
   @action
   onChange(categoryId) {
     this.applyFilter(this.filter.id, categoryId || undefined);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/report-filters/filter.js

@@ -1,9 +1,9 @@
 import Component from "@ember/component";
 import { action } from "@ember/object";
 
-export default class Filter extends Component {
+export default Component.extend({
   @action
   onChange(value) {
     this.applyFilter(this.filter.id, value);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/report-filters/group.js

@@ -1,18 +1,18 @@
-import { classNames } from "@ember-decorators/component";
-import { computed } from "@ember/object";
 import FilterComponent from "admin/components/report-filters/filter";
+import { computed } from "@ember/object";
+
+export default FilterComponent.extend({
+  classNames: ["group-filter"],
 
-@classNames("group-filter")
-export default class Group extends FilterComponent {
   @computed
   get groupOptions() {
     return (this.site.groups || []).map((group) => {
       return { name: group["name"], value: group["id"] };
     });
-  }
+  },
 
   @computed("filter.default")
   get groupId() {
     return this.filter.default ? parseInt(this.filter.default, 10) : null;
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/report-filters/list.js

@@ -1,3 +1,3 @@
 import FilterComponent from "admin/components/report-filters/filter";
 
-export default class List extends FilterComponent {}
+export default FilterComponent.extend();

app/assets/javascripts/admin/addon/components/resumable-upload.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class ResumableUpload extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/screened-ip-address-form.hbs

@@ -17,7 +17,7 @@
 <DButton
   @type="submit"
   @class="btn-default"
-  @action={{action "submitForm"}}
+  @action={{action "submit"}}
   @disabled={{this.formSubmitted}}
   @label="admin.logs.screened_ips.form.add"
 />

app/assets/javascripts/admin/addon/components/screened-ip-address-form.js

@@ -1,11 +1,9 @@
-import { action } from "@ember/object";
-import { classNames, tagName } from "@ember-decorators/component";
-import { inject as service } from "@ember/service";
 import discourseComputed from "discourse-common/utils/decorators";
 import Component from "@ember/component";
 import I18n from "I18n";
 import ScreenedIpAddress from "admin/models/screened-ip-address";
 import { schedule } from "@ember/runloop";
+import { inject as service } from "@ember/service";
 
 /**
   A form to create an IP address that will be blocked or allowed.
@@ -18,13 +16,12 @@ import { schedule } from "@ember/runloop";
   as an argument.
 **/
 
-@tagName("form")
-@classNames("screened-ip-address-form", "inline-form")
-export default class ScreenedIpAddressForm extends Component {
-  @service dialog;
-
-  formSubmitted = false;
-  actionName = "block";
+export default Component.extend({
+  tagName: "form",
+  dialog: service(),
+  classNames: ["screened-ip-address-form", "inline-form"],
+  formSubmitted: false,
+  actionName: "block",
 
   @discourseComputed("siteSettings.use_admin_ip_allowlist")
   actionNames(adminAllowlistEnabled) {
@@ -49,42 +46,43 @@ export default class ScreenedIpAddressForm extends Component {
         },
       ];
     }
-  }
+  },
 
   focusInput() {
     schedule("afterRender", () => {
       this.element.querySelector("input").focus();
     });
-  }
+  },
 
-  @action
-  submitForm() {
-    if (!this.formSubmitted) {
-      this.set("formSubmitted", true);
-      const screenedIpAddress = ScreenedIpAddress.create({
-        ip_address: this.ip_address,
-        action_name: this.actionName,
-      });
-      screenedIpAddress
-        .save()
-        .then((result) => {
-          this.setProperties({ ip_address: "", formSubmitted: false });
-          this.action(ScreenedIpAddress.create(result.screened_ip_address));
-          this.focusInput();
-        })
-        .catch((e) => {
-          this.set("formSubmitted", false);
-          const message = e.jqXHR.responseJSON?.errors
-            ? I18n.t("generic_error_with_reason", {
-                error: e.jqXHR.responseJSON.errors.join(". "),
-              })
-            : I18n.t("generic_error");
-          this.dialog.alert({
-            message,
-            didConfirm: () => this.focusInput(),
-            didCancel: () => this.focusInput(),
-          });
+  actions: {
+    submit() {
+      if (!this.formSubmitted) {
+        this.set("formSubmitted", true);
+        const screenedIpAddress = ScreenedIpAddress.create({
+          ip_address: this.ip_address,
+          action_name: this.actionName,
         });
-    }
-  }
-}
+        screenedIpAddress
+          .save()
+          .then((result) => {
+            this.setProperties({ ip_address: "", formSubmitted: false });
+            this.action(ScreenedIpAddress.create(result.screened_ip_address));
+            this.focusInput();
+          })
+          .catch((e) => {
+            this.set("formSubmitted", false);
+            const message = e.jqXHR.responseJSON?.errors
+              ? I18n.t("generic_error_with_reason", {
+                  error: e.jqXHR.responseJSON.errors.join(". "),
+                })
+              : I18n.t("generic_error");
+            this.dialog.alert({
+              message,
+              didConfirm: () => this.focusInput(),
+              didCancel: () => this.focusInput(),
+            });
+          });
+      }
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/secret-value-list.js

@@ -1,16 +1,15 @@
-import { classNameBindings } from "@ember-decorators/component";
 import Component from "@ember/component";
 import I18n from "I18n";
 import { isEmpty } from "@ember/utils";
-import { on } from "@ember-decorators/object";
-import { action, set } from "@ember/object";
+import { on } from "discourse-common/utils/decorators";
+import { set } from "@ember/object";
 
-@classNameBindings(":value-list", ":secret-value-list")
-export default class SecretValueList extends Component {
-  inputDelimiter = null;
-  collection = null;
-  values = null;
-  validationMessage = null;
+export default Component.extend({
+  classNameBindings: [":value-list", ":secret-value-list"],
+  inputDelimiter: null,
+  collection: null,
+  values: null,
+  validationMessage: null,
 
   @on("didReceiveAttrs")
   _setupCollection() {
@@ -20,43 +19,41 @@ export default class SecretValueList extends Component {
       "collection",
       this._splitValues(values, this.inputDelimiter || "\n")
     );
-  }
+  },
 
-  @action
-  changeKey(index, event) {
-    const newValue = event.target.value;
+  actions: {
+    changeKey(index, event) {
+      const newValue = event.target.value;
 
-    if (this._checkInvalidInput(newValue)) {
-      return;
-    }
+      if (this._checkInvalidInput(newValue)) {
+        return;
+      }
 
-    this._replaceValue(index, newValue, "key");
-  }
+      this._replaceValue(index, newValue, "key");
+    },
 
-  @action
-  changeSecret(index, event) {
-    const newValue = event.target.value;
+    changeSecret(index, event) {
+      const newValue = event.target.value;
 
-    if (this._checkInvalidInput(newValue)) {
-      return;
-    }
+      if (this._checkInvalidInput(newValue)) {
+        return;
+      }
 
-    this._replaceValue(index, newValue, "secret");
-  }
+      this._replaceValue(index, newValue, "secret");
+    },
 
-  @action
-  addValue() {
-    if (this._checkInvalidInput([this.newKey, this.newSecret])) {
-      return;
-    }
-    this._addValue(this.newKey, this.newSecret);
-    this.setProperties({ newKey: "", newSecret: "" });
-  }
+    addValue() {
+      if (this._checkInvalidInput([this.newKey, this.newSecret])) {
+        return;
+      }
+      this._addValue(this.newKey, this.newSecret);
+      this.setProperties({ newKey: "", newSecret: "" });
+    },
 
-  @action
-  removeValue(value) {
-    this._removeValue(value);
-  }
+    removeValue(value) {
+      this._removeValue(value);
+    },
+  },
 
   _checkInvalidInput(inputs) {
     this.set("validationMessage", null);
@@ -69,25 +66,25 @@ export default class SecretValueList extends Component {
         return true;
       }
     }
-  }
+  },
 
   _addValue(value, secret) {
     this.collection.addObject({ key: value, secret });
     this._saveValues();
-  }
+  },
 
   _removeValue(value) {
     const collection = this.collection;
     collection.removeObject(value);
     this._saveValues();
-  }
+  },
 
   _replaceValue(index, newValue, keyName) {
     let item = this.collection[index];
     set(item, keyName, newValue);
 
     this._saveValues();
-  }
+  },
 
   _saveValues() {
     this.set(
@@ -98,7 +95,7 @@ export default class SecretValueList extends Component {
         })
         .join("\n")
     );
-  }
+  },
 
   _splitValues(values, delimiter) {
     if (values && values.length) {
@@ -116,5 +113,5 @@ export default class SecretValueList extends Component {
     } else {
       return [];
     }
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/setting-validation-message.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class SettingValidationMessage extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/silence-details.js

@@ -1,5 +1,4 @@
-import { tagName } from "@ember-decorators/component";
 import Component from "@ember/component";
-
-@tagName("")
-export default class SilenceDetails extends Component {}
+export default Component.extend({
+  tagName: "",
+});

app/assets/javascripts/admin/addon/components/simple-list.js

@@ -1,37 +1,34 @@
-import { classNameBindings } from "@ember-decorators/component";
-import { empty } from "@ember/object/computed";
 import Component from "@ember/component";
 import { action } from "@ember/object";
-import discourseComputed from "discourse-common/utils/decorators";
-import { on } from "@ember-decorators/object";
+import { empty } from "@ember/object/computed";
+import discourseComputed, { on } from "discourse-common/utils/decorators";
 
-@classNameBindings(":simple-list", ":value-list")
-export default class SimpleList extends Component {
-  @empty("newValue") inputEmpty;
-
-  inputDelimiter = null;
-  newValue = "";
-  collection = null;
-  values = null;
+export default Component.extend({
+  classNameBindings: [":simple-list", ":value-list"],
+  inputEmpty: empty("newValue"),
+  inputDelimiter: null,
+  newValue: "",
+  collection: null,
+  values: null,
 
   @on("didReceiveAttrs")
   _setupCollection() {
     this.set("collection", this._splitValues(this.values, this.inputDelimiter));
-  }
+  },
 
   keyDown(event) {
     if (event.which === 13) {
       this.addValue(this.newValue);
       return;
     }
-  }
+  },
 
   @action
   changeValue(index, event) {
     this.collection.replace(index, 1, [event.target.value]);
     this.collection.arrayContentDidChange(index);
     this._onChange();
-  }
+  },
 
   @action
   addValue(newValue) {
@@ -42,13 +39,13 @@ export default class SimpleList extends Component {
     this.set("newValue", null);
     this.collection.addObject(newValue);
     this._onChange();
-  }
+  },
 
   @action
   removeValue(value) {
     this.collection.removeObject(value);
     this._onChange();
-  }
+  },
 
   @action
   shift(operation, index) {
@@ -65,20 +62,20 @@ export default class SimpleList extends Component {
     this.collection.insertAt(futureIndex, shiftedValue);
 
     this._onChange();
-  }
+  },
 
   _onChange() {
     this.onChange?.(this.collection);
-  }
+  },
 
   @discourseComputed("collection")
   showUpDownButtons(collection) {
     return collection.length - 1 ? true : false;
-  }
+  },
 
   _splitValues(values, delimiter) {
     return values && values.length
       ? values.split(delimiter || "\n").filter(Boolean)
       : [];
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/site-customization-change-details.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class SiteCustomizationChangeDetails extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-customization-change-field.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class SiteCustomizationChangeField extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-setting.hbs

@@ -1,8 +1,7 @@
 <div class="setting-label">
   <h3>
-    {{this.settingName}}
-
     {{#if this.staffLogFilter}}
+      {{this.settingName}}
       <LinkTo
         @route="adminLogs.staffActionLogs"
         @query={{hash filters=this.staffLogFilter force_refresh=true}}
@@ -12,18 +11,17 @@
           {{d-icon "history"}}
         </span>
       </LinkTo>
+    {{else}}
+      {{this.settingName}}
     {{/if}}
   </h3>
-
   {{#if this.defaultIsAvailable}}
-    <DButton
-      class="btn-link"
-      @action={{this.setDefaultValues}}
-      @translatedLabel={{this.setting.setDefaultValuesLabel}}
-    />
+    <a
+      href
+      onClick={{action "setDefaultValues"}}
+    >{{this.setting.setDefaultValuesLabel}}</a>
   {{/if}}
 </div>
-
 <div class="setting-value">
   {{component
     this.componentName
@@ -35,20 +33,18 @@
     allowAny=this.allowAny
   }}
 </div>
-
 {{#if this.dirty}}
   <div class="setting-controls">
-    <DButton class="ok" @action={{this.update}} @icon="check" />
-    <DButton class="cancel" @action={{this.cancel}} @icon="times" />
+    <DButton @class="ok" @action={{action "update"}} @icon="check" />
+    <DButton @class="cancel" @action={{action "cancel"}} @icon="times" />
   </div>
 {{else if this.setting.overridden}}
   {{#if this.setting.secret}}
-    <DButton @action={{this.toggleSecret}} @icon="far-eye-slash" />
+    <DButton @action={{action "toggleSecret"}} @icon="far-eye-slash" />
   {{/if}}
-
   <DButton
-    class="btn-default undo"
-    @action={{this.resetDefault}}
+    @class="btn-default undo"
+    @action={{action "resetDefault"}}
     @icon="undo"
     @label="admin.settings.reset"
   />

app/assets/javascripts/admin/addon/components/site-setting.js

@@ -1,21 +1,18 @@
-import { readOnly } from "@ember/object/computed";
 import BufferedContent from "discourse/mixins/buffered-content";
 import Component from "@ember/component";
 import SettingComponent from "admin/mixins/setting-component";
 import SiteSetting from "admin/models/site-setting";
+import { readOnly } from "@ember/object/computed";
 
-export default class SiteSettingComponent extends Component.extend(
-  BufferedContent,
-  SettingComponent
-) {
-  updateExistingUsers = null;
-
-  @readOnly("setting.staffLogFilter") staffLogFilter;
+export default Component.extend(BufferedContent, SettingComponent, {
+  updateExistingUsers: null,
 
   _save() {
     const setting = this.buffered;
     return SiteSetting.update(setting.get("setting"), setting.get("value"), {
       updateExistingUsers: this.updateExistingUsers,
     });
-  }
-}
+  },
+
+  staffLogFilter: readOnly("setting.staffLogFilter"),
+});

app/assets/javascripts/admin/addon/components/site-settings/bool.js

@@ -1,18 +1,19 @@
-import { computed } from "@ember/object";
 import Component from "@ember/component";
+import discourseComputed from "discourse-common/utils/decorators";
 import { isEmpty } from "@ember/utils";
 
-export default class Bool extends Component {
-  @computed("value")
-  get enabled() {
-    if (isEmpty(this.value)) {
-      return false;
-    }
-    return this.value.toString() === "true";
-  }
-
-  set enabled(value) {
-    this.set("value", value ? "true" : "false");
-    return value;
-  }
-}
+export default Component.extend({
+  @discourseComputed("value")
+  enabled: {
+    get(value) {
+      if (isEmpty(value)) {
+        return false;
+      }
+      return value.toString() === "true";
+    },
+    set(value) {
+      this.set("value", value ? "true" : "false");
+      return value;
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/category-list.js

@@ -1,15 +1,15 @@
-import { action, computed } from "@ember/object";
 import Category from "discourse/models/category";
 import Component from "@ember/component";
+import { computed } from "@ember/object";
 
-export default class CategoryList extends Component {
-  @computed("value")
-  get selectedCategories() {
+export default Component.extend({
+  selectedCategories: computed("value", function () {
     return Category.findByIds(this.value.split("|").filter(Boolean));
-  }
+  }),
 
-  @action
-  onChangeSelectedCategories(value) {
-    this.set("value", (value || []).mapBy("id").join("|"));
-  }
-}
+  actions: {
+    onChangeSelectedCategories(value) {
+      this.set("value", (value || []).mapBy("id").join("|"));
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/category.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class Category extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-settings/color.js

@@ -24,9 +24,8 @@ function RGBToHex(rgb) {
   return "#" + r + g + b;
 }
 
-export default class Color extends Component {
-  @computed("value")
-  get valid() {
+export default Component.extend({
+  valid: computed("value", function () {
     let value = this.value.toLowerCase();
 
     let testColor = new Option().style;
@@ -44,10 +43,10 @@ export default class Color extends Component {
     }
 
     return testColor.color && hexifiedColor === value;
-  }
+  }),
 
   @action
   onChangeColor(color) {
     this.set("value", color);
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/compact-list.js

@@ -1,36 +1,40 @@
-import { action, computed } from "@ember/object";
 import Component from "@ember/component";
+import { computed } from "@ember/object";
 import { makeArray } from "discourse-common/lib/helpers";
 
-export default class CompactList extends Component {
-  tokenSeparator = "|";
-  createdChoices = null;
+export default Component.extend({
+  tokenSeparator: "|",
 
-  @computed("value")
-  get settingValue() {
+  createdChoices: null,
+
+  settingValue: computed("value", function () {
     return this.value.toString().split(this.tokenSeparator).filter(Boolean);
-  }
+  }),
 
-  @computed("settingValue", "setting.choices.[]", "createdChoices.[]")
-  get settingChoices() {
-    return [
-      ...new Set([
-        ...makeArray(this.settingValue),
-        ...makeArray(this.setting.choices),
-        ...makeArray(this.createdChoices),
-      ]),
-    ];
-  }
+  settingChoices: computed(
+    "settingValue",
+    "setting.choices.[]",
+    "createdChoices.[]",
+    function () {
+      return [
+        ...new Set([
+          ...makeArray(this.settingValue),
+          ...makeArray(this.setting.choices),
+          ...makeArray(this.createdChoices),
+        ]),
+      ];
+    }
+  ),
 
-  @action
-  onChangeListSetting(value) {
-    this.set("value", value.join(this.tokenSeparator));
-  }
+  actions: {
+    onChangeListSetting(value) {
+      this.set("value", value.join(this.tokenSeparator));
+    },
 
-  @action
-  onChangeChoices(choices) {
-    this.set("createdChoices", [
-      ...new Set([...makeArray(this.createdChoices), ...makeArray(choices)]),
-    ]);
-  }
-}
+    onChangeChoices(choices) {
+      this.set("createdChoices", [
+        ...new Set([...makeArray(this.createdChoices), ...makeArray(choices)]),
+      ]);
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/emoji-list.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class EmojiList extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-settings/enum.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class Enum extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-settings/group-list.js

@@ -1,25 +1,25 @@
-import { action, computed } from "@ember/object";
 import Component from "@ember/component";
+import { computed } from "@ember/object";
 
-export default class GroupList extends Component {
-  tokenSeparator = "|";
-  nameProperty = "name";
-  valueProperty = "id";
+export default Component.extend({
+  tokenSeparator: "|",
 
-  @computed("site.groups")
-  get groupChoices() {
+  nameProperty: "name",
+  valueProperty: "id",
+
+  groupChoices: computed("site.groups", function () {
     return (this.site.groups || []).map((g) => {
       return { name: g.name, id: g.id.toString() };
     });
-  }
+  }),
 
-  @computed("value")
-  get settingValue() {
+  settingValue: computed("value", function () {
     return (this.value || "").split(this.tokenSeparator).filter(Boolean);
-  }
+  }),
 
-  @action
-  onChangeGroupListSetting(value) {
-    this.set("value", value.join(this.tokenSeparator));
-  }
-}
+  actions: {
+    onChangeGroupListSetting(value) {
+      this.set("value", value.join(this.tokenSeparator));
+    },
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/host-list.js

@@ -1,14 +1,14 @@
 import Component from "@ember/component";
 import { action, computed } from "@ember/object";
 
-export default class HostList extends Component {
-  tokenSeparator = "|";
-  choices = null;
+export default Component.extend({
+  tokenSeparator: "|",
+  choices: null,
 
   @computed("value")
   get settingValue() {
     return this.value.toString().split(this.tokenSeparator).filter(Boolean);
-  }
+  },
 
   @action
   onChange(value) {
@@ -17,5 +17,5 @@ export default class HostList extends Component {
     }
 
     this.set("value", value.join(this.tokenSeparator));
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/list.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class List extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-settings/named-list.js

@@ -1,13 +1,13 @@
 import Component from "@ember/component";
 import { action, computed } from "@ember/object";
 
-export default class NamedList extends Component {
-  tokenSeparator = "|";
+export default Component.extend({
+  tokenSeparator: "|",
 
   @computed("value")
   get settingValue() {
     return this.value.toString().split(this.tokenSeparator).filter(Boolean);
-  }
+  },
 
   @computed("setting.choices.[]", "settingValue")
   get settingChoices() {
@@ -24,10 +24,10 @@ export default class NamedList extends Component {
     }
 
     return choices;
-  }
+  },
 
   @action
   onChangeListSetting(value) {
     this.set("value", value.join(this.tokenSeparator));
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/secret-list.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class SecretList extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-settings/simple-list.js

@@ -1,11 +1,11 @@
 import Component from "@ember/component";
 import { action } from "@ember/object";
 
-export default class SimpleList extends Component {
-  inputDelimiter = "|";
+export default Component.extend({
+  inputDelimiter: "|",
 
   @action
   onChange(value) {
     this.set("value", value.join(this.inputDelimiter || "\n"));
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/string.js

@@ -2,7 +2,7 @@ import { action } from "@ember/object";
 import Component from "@ember/component";
 import showModal from "discourse/lib/show-modal";
 
-export default class String extends Component {
+export default Component.extend({
   @action
   launchJsonEditorModal() {
     const schemaModal = showModal("json-schema-editor", {
@@ -16,5 +16,5 @@ export default class String extends Component {
     schemaModal.set("onClose", () => {
       this.set("value", schemaModal.model.value);
     });
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/tag-list.js

@@ -2,14 +2,16 @@ import Component from "@ember/component";
 import { action } from "@ember/object";
 import discourseComputed from "discourse-common/utils/decorators";
 
-export default class TagList extends Component {
+export default Component.extend({
   @discourseComputed("value")
-  selectedTags(value) {
-    return value.split("|").filter(Boolean);
-  }
+  selectedTags: {
+    get(value) {
+      return value.split("|").filter(Boolean);
+    },
+  },
 
   @action
   changeSelectedTags(tags) {
     this.set("value", tags.join("|"));
-  }
-}
+  },
+});

app/assets/javascripts/admin/addon/components/site-settings/upload.js

@@ -1,3 +1,3 @@
 import Component from "@ember/component";
 
-export default class Upload extends Component {}
+export default Component.extend({});

app/assets/javascripts/admin/addon/components/site-settings/uploaded-image-list.js

@@ -1,16 +1,16 @@
-import { action } from "@ember/object";
 import Component from "@ember/component";
 import showModal from "discourse/lib/show-modal";
 
-export default class UploadedImageList extends Component {
-  @action
-  showUploadModal({ value, setting }) {
-    showModal("admin-uploaded-image-list", {
-      admin: true,
-      title: `admin.site_settings.${setting.setting}.title`,
-      model: { value, setting },
-    }).setProperties({
-      save: (v) => this.set("value", v),
-    });
-  }
-}
+export default Component.extend({
+  actions: {
+    showUploadModal({ value, setting }) {
+      showModal("admin-uploaded-image-list", {
+        admin: true,
+        title: `admin.site_settings.${setting.setting}.title`,
+        model: { value, setting },
+      }).setProperties({
+        save: (v) => this.set("value", v),
+      });
+    },
+  },
+});