DEV: Introduce ember-decorators addon

This provides Classic Component decorators for use with native class syntax (e.g. `@tagName`), and also provides native-class-compatible decorators for `@on` and `@observes`.

app/assets/javascripts/discourse/package.json

@@ -20,6 +20,7 @@
     "@babel/standalone": "^7.21.1",
     "@discourse/backburner.js": "^2.7.1-0",
     "@discourse/itsatrap": "^2.0.10",
+    "@discourse/virtual-dom": "^2.1.2-0",
     "@ember-compat/tracked-built-ins": "^0.9.1",
     "@ember/jquery": "^2.0.0",
     "@ember/optional-features": "^2.0.0",
@@ -63,6 +64,7 @@
     "ember-cli-progress-ci": "1.0.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
+    "ember-decorators": "^6.1.1",
     "ember-exam": "^8.0.0",
     "ember-export-application-global": "^2.0.1",
     "ember-load-initializers": "^2.1.1",
@@ -94,7 +96,6 @@
     "terser": "^5.16.4",
     "tippy.js": "^6.3.7",
     "util": "^0.12.5",
-    "@discourse/virtual-dom": "^2.1.2-0",
     "webpack": "^5.75.0",
     "wizard": "1.0.0",
     "xss": "^1.0.14"

app/assets/javascripts/yarn.lock

@@ -1049,6 +1049,29 @@
   resolved "https://registry.yarnpkg.com/@ember-data/rfc395-data/-/rfc395-data-0.0.4.tgz#ecb86efdf5d7733a76ff14ea651a1b0ed1f8a843"
   integrity sha512-tGRdvgC9/QMQSuSuJV45xoyhI0Pzjm7A9o/MVVA3HakXIImJbbzx/k/6dO9CUEQXIyS2y0fW6C1XaYOG7rY0FQ==
 
+"@ember-decorators/component@^6.1.1":
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/@ember-decorators/component/-/component-6.1.1.tgz#b360dc4fa8e576ee1c840879399ef1745fd96e06"
+  integrity sha512-Cj8tY/c0MC/rsipqsiWLh3YVN72DK92edPYamD/HzvftwzC6oDwawWk8RmStiBnG9PG/vntAt41l3S7HSSA+1Q==
+  dependencies:
+    "@ember-decorators/utils" "^6.1.1"
+    ember-cli-babel "^7.1.3"
+
+"@ember-decorators/object@^6.1.1":
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/@ember-decorators/object/-/object-6.1.1.tgz#50c922f5ac9af3ddd381cb6a43a031dfd9a70c7a"
+  integrity sha512-cb4CNR9sRoA31J3FCOFLDuR9ztM4wO9w1WlS4JeNRS7Z69SlB/XSXB/vplA3i9OOaXEy/zKWbu5ndZrHz0gvLw==
+  dependencies:
+    "@ember-decorators/utils" "^6.1.1"
+    ember-cli-babel "^7.1.3"
+
+"@ember-decorators/utils@^6.1.1":
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/@ember-decorators/utils/-/utils-6.1.1.tgz#6b619814942b4fb3747cfa9f540c9f05283d7c5e"
+  integrity sha512-0KqnoeoLKb6AyoSU65TRF5T85wmS4uDn06oARddwNPxxf/lt5jQlh41uX3W7V/fWL9tPu8x1L1Vvpc80MN1+YA==
+  dependencies:
+    ember-cli-babel "^7.1.3"
+
 "@ember/edition-utils@^1.2.0":
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/@ember/edition-utils/-/edition-utils-1.2.0.tgz#a039f542dc14c8e8299c81cd5abba95e2459cfa6"
@@ -3788,7 +3811,7 @@ ember-cli-babel-plugin-helpers@^1.0.0, ember-cli-babel-plugin-helpers@^1.1.1:
   resolved "https://registry.yarnpkg.com/ember-cli-babel-plugin-helpers/-/ember-cli-babel-plugin-helpers-1.1.1.tgz#5016b80cdef37036c4282eef2d863e1d73576879"
   integrity sha512-sKvOiPNHr5F/60NLd7SFzMpYPte/nnGkq/tMIfXejfKHIhaiIkYFqX8Z9UFTKWLLn+V7NOaby6niNPZUdvKCRw==
 
-ember-cli-babel@^7.10.0, ember-cli-babel@^7.13.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.21.0, ember-cli-babel@^7.22.1, ember-cli-babel@^7.23.0, ember-cli-babel@^7.23.1, ember-cli-babel@^7.26.10, ember-cli-babel@^7.26.11, ember-cli-babel@^7.26.3, ember-cli-babel@^7.26.4, ember-cli-babel@^7.26.6, ember-cli-babel@^7.7.3:
+ember-cli-babel@^7.1.3, ember-cli-babel@^7.10.0, ember-cli-babel@^7.13.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.21.0, ember-cli-babel@^7.22.1, ember-cli-babel@^7.23.0, ember-cli-babel@^7.23.1, ember-cli-babel@^7.26.10, ember-cli-babel@^7.26.11, ember-cli-babel@^7.26.3, ember-cli-babel@^7.26.4, ember-cli-babel@^7.26.6, ember-cli-babel@^7.7.3:
   version "7.26.11"
   resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-7.26.11.tgz#50da0fe4dcd99aada499843940fec75076249a9f"
   integrity sha512-JJYeYjiz/JTn34q7F5DSOjkkZqy8qwFOOxXfE6pe9yEJqWGu4qErKxlz8I22JoVEQ/aBUO+OcKTpmctvykM9YA==
@@ -4151,6 +4174,15 @@ ember-compatibility-helpers@^1.1.2, ember-compatibility-helpers@^1.2.0, ember-co
     fs-extra "^9.1.0"
     semver "^5.4.1"
 
+ember-decorators@^6.1.1:
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/ember-decorators/-/ember-decorators-6.1.1.tgz#6d770f8999cf5a413a1ee459afd520838c0fc470"
+  integrity sha512-63vZPntPn1aqMyeNRLoYjJD+8A8obd+c2iZkJflswpDRNVIsp2m7aQdSCtPt4G0U/TEq2251g+N10maHX3rnJQ==
+  dependencies:
+    "@ember-decorators/component" "^6.1.1"
+    "@ember-decorators/object" "^6.1.1"
+    ember-cli-babel "^7.7.3"
+
 ember-destroyable-polyfill@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/ember-destroyable-polyfill/-/ember-destroyable-polyfill-2.0.3.tgz#1673ed66609a82268ef270a7d917ebd3647f11e1"