DEV: Convert core components to native class syntax (batch 6) (#28598)

Changes made using the ember-native-class-codemod, plus some manual tweaks

app/assets/javascripts/discourse/app/components/highlight-search.js

@@ -1,14 +1,14 @@
 import Component from "@ember/component";
+import { tagName } from "@ember-decorators/component";
+import { observes, on } from "@ember-decorators/object";
 import highlightSearch from "discourse/lib/highlight-search";
-import { observes, on } from "discourse-common/utils/decorators";
-
-export default Component.extend({
-  tagName: "span",
 
+@tagName("span")
+export default class HighlightSearch extends Component {
   @on("didInsertElement")
   @observes("highlight")
   _highlightOnInsert() {
     const term = this.highlight;
     highlightSearch(this.element, term);
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/honeypot-input.js

@@ -1,7 +1,7 @@
+import { on } from "@ember-decorators/object";
 import TextField from "discourse/components/text-field";
-import { on } from "discourse-common/utils/decorators";
 
-export default TextField.extend({
+export default class HoneypotInput extends TextField {
   @on("init")
   _init() {
     // Chrome autocomplete is buggy per:
@@ -13,5 +13,5 @@ export default TextField.extend({
     } else {
       this.set("type", "password");
     }
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/html-with-links.js

@@ -4,12 +4,12 @@ import {
   shouldOpenInNewTab,
 } from "discourse/lib/click-track";
 
-export default Component.extend({
+export default class HtmlWithLinks extends Component {
   click(event) {
     if (event?.target?.tagName === "A") {
       if (shouldOpenInNewTab(event.target.href)) {
         openLinkInNewTab(event, event.target);
       }
     }
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/ignored-user-list-item.js

@@ -1,10 +1,13 @@
 import Component from "@ember/component";
-export default Component.extend({
+import { action } from "@ember/object";
-  tagName: "div",
+import { tagName } from "@ember-decorators/component";
-  items: null,
+
-  actions: {
+@tagName("div")
-    removeIgnoredUser(item) {
+export default class IgnoredUserListItem extends Component {
-      this.onRemoveIgnoredUser(item);
+  items = null;
-    },
+
-  },
+  @action
-});
+  removeIgnoredUser(item) {
+    this.onRemoveIgnoredUser(item);
+  }
+}

app/assets/javascripts/discourse/app/components/images-uploader.js

@@ -1,22 +1,23 @@
 import Component from "@ember/component";
+import { tagName } from "@ember-decorators/component";
 import UppyUploadMixin from "discourse/mixins/uppy-upload";
 import discourseComputed from "discourse-common/utils/decorators";
 import I18n from "discourse-i18n";
 
-export default Component.extend(UppyUploadMixin, {
+@tagName("span")
-  type: "avatar",
+export default class ImagesUploader extends Component.extend(UppyUploadMixin) {
-  tagName: "span",
+  type = "avatar";
 
   @discourseComputed("uploadingOrProcessing")
   uploadButtonText(uploadingOrProcessing) {
     return uploadingOrProcessing ? I18n.t("uploading") : I18n.t("upload");
-  },
+  }
 
   validateUploadedFilesOptions() {
     return { imagesOnly: true };
-  },
+  }
 
   uploadDone(upload) {
     this.done(upload);
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/invite-panel.js

@@ -9,32 +9,44 @@ import Group from "discourse/models/group";
 import discourseComputed from "discourse-common/utils/decorators";
 import I18n from "discourse-i18n";
 
-export default Component.extend({
+export default class InvitePanel extends Component {
-  tagName: null,
+  @readOnly("currentUser.staff") isStaff;
-  groupIds: null,
+  @readOnly("currentUser.admin") isAdmin;
-  allGroups: null,
+  @alias("inviteModel.id") topicId;
+  @equal("inviteModel.archetype", "private_message") isPM;
+  @and("isStaff", "siteSettings.must_approve_users") showApprovalMessage;
 
-  isStaff: readOnly("currentUser.staff"),
+  // eg: visible only to specific group members
-  isAdmin: readOnly("currentUser.admin"),
+  @and("invitingToTopic", "inviteModel.category.read_restricted")
+  isPrivateTopic;
+
+  // scope to allowed usernames
+  @alias("invitingToTopic") allowExistingMembers;
+
+  @i18n("invite.custom_message_placeholder") customMessagePlaceholder;
+
+  groupIds = null;
+  allGroups = null;
 
   // invitee is either a user, group or email
-  invitee: null,
+  invitee = null;
-  isInviteeGroup: false,
+
-  hasCustomMessage: false,
+  isInviteeGroup = false;
-  customMessage: null,
+  hasCustomMessage = false;
-  inviteIcon: "envelope",
+  customMessage = null;
-  invitingExistingUserToTopic: false,
+  inviteIcon = "envelope";
+  invitingExistingUserToTopic = false;
 
   init() {
-    this._super(...arguments);
+    super.init(...arguments);
     this.setDefaultSelectedGroups();
     this.setGroupOptions();
-  },
+  }
 
   willDestroyElement() {
-    this._super(...arguments);
+    super.willDestroyElement(...arguments);
     this.reset();
-  },
+  }
 
   @discourseComputed(
     "isAdmin",
@@ -81,7 +93,7 @@ export default Component.extend({
     }
 
     return false;
-  },
+  }
 
   @discourseComputed(
     "isAdmin",
@@ -125,49 +137,36 @@ export default Component.extend({
     }
 
     return false;
-  },
+  }
 
   @discourseComputed("inviteModel.saving")
   buttonTitle(saving) {
     return saving ? "topic.inviting" : "topic.invite_reply.action";
-  },
+  }
 
   // We are inviting to a topic if the topic isn't the current user.
   // The current user would mean we are inviting to the forum in general.
   @discourseComputed("inviteModel")
   invitingToTopic(inviteModel) {
     return inviteModel !== this.currentUser;
-  },
+  }
 
   @discourseComputed("inviteModel", "inviteModel.details.can_invite_via_email")
   canInviteViaEmail(inviteModel, canInviteViaEmail) {
     return inviteModel === this.currentUser ? true : canInviteViaEmail;
-  },
+  }
 
   @discourseComputed("isPM", "canInviteViaEmail")
   showCopyInviteButton(isPM, canInviteViaEmail) {
     return canInviteViaEmail && !isPM;
-  },
+  }
-
-  topicId: alias("inviteModel.id"),
-
-  // eg: visible only to specific group members
-  isPrivateTopic: and(
-    "invitingToTopic",
-    "inviteModel.category.read_restricted"
-  ),
-
-  isPM: equal("inviteModel.archetype", "private_message"),
-
-  // scope to allowed usernames
-  allowExistingMembers: alias("invitingToTopic"),
 
   @discourseComputed("isAdmin", "inviteModel.group_users")
   isGroupOwnerOrAdmin(isAdmin, groupUsers) {
     return (
       isAdmin || (groupUsers && groupUsers.some((groupUser) => groupUser.owner))
     );
-  },
+  }
 
   // Show Groups? (add invited user to private group)
   @discourseComputed(
@@ -192,12 +191,12 @@ export default Component.extend({
       !isPM &&
       (emailValid(invitee) || isPrivateTopic || !invitingToTopic)
     );
-  },
+  }
 
   @discourseComputed("invitee")
   showCustomMessage(invitee) {
     return this.inviteModel === this.currentUser || emailValid(invitee);
-  },
+  }
 
   // Instructional text for the modal.
   @discourseComputed(
@@ -243,12 +242,12 @@ export default Component.extend({
       // inviting to forum
       return I18n.t("topic.invite_reply.to_forum");
     }
-  },
+  }
 
   @discourseComputed("isPrivateTopic")
   showGroupsClass(isPrivateTopic) {
     return isPrivateTopic ? "required" : "optional";
-  },
+  }
 
   @discourseComputed("isPM", "invitee", "invitingExistingUserToTopic")
   successMessage(isPM, invitee, invitingExistingUserToTopic) {
@@ -265,7 +264,7 @@ export default Component.extend({
     } else {
       return I18n.t("topic.invite_reply.success_username");
     }
-  },
+  }
 
   @discourseComputed("isPM", "ajaxError")
   errorMessage(isPM, ajaxError) {
@@ -275,18 +274,14 @@ export default Component.extend({
     return isPM
       ? I18n.t("topic.invite_private.error")
       : I18n.t("topic.invite_reply.error");
-  },
+  }
 
   @discourseComputed("canInviteViaEmail")
   placeholderKey(canInviteViaEmail) {
     return canInviteViaEmail
       ? "topic.invite_private.email_or_username_placeholder"
       : "topic.invite_reply.username_placeholder";
-  },
+  }
-
-  showApprovalMessage: and("isStaff", "siteSettings.must_approve_users"),
-
-  customMessagePlaceholder: i18n("invite.custom_message_placeholder"),
 
   // Reset the modal to allow a new user to be invited.
   reset() {
@@ -305,17 +300,17 @@ export default Component.extend({
       finished: false,
       inviteLink: null,
     });
-  },
+  }
 
   setDefaultSelectedGroups() {
     this.set("groupIds", []);
-  },
+  }
 
   setGroupOptions() {
     Group.findAll().then((groups) => {
       this.set("allGroups", groups.filterBy("automatic", false));
     });
-  },
+  }
 
   @action
   createInvite() {
@@ -367,7 +362,7 @@ export default Component.extend({
         })
         .catch(onerror);
     }
-  },
+  }
 
   @action
   generateInviteLink() {
@@ -401,7 +396,7 @@ export default Component.extend({
         }
         model.setProperties({ saving: false, error: true });
       });
-  },
+  }
 
   @action
   showCustomMessageBox() {
@@ -421,14 +416,14 @@ export default Component.extend({
     } else {
       this.set("customMessage", null);
     }
-  },
+  }
 
   @action
   searchContact() {
     getNativeContact(this.capabilities, ["email"], false).then((result) => {
       this.set("invitee", result[0].email[0]);
     });
-  },
+  }
 
   @action
   updateInvitee(selected, content) {
@@ -448,5 +443,5 @@ export default Component.extend({
         isInviteeGroup: false,
       });
     }
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/latest-topic-list-item.js

@@ -1,16 +1,19 @@
 import Component from "@ember/component";
+import {
+  attributeBindings,
+  classNameBindings,
+} from "@ember-decorators/component";
 import {
   navigateToTopic,
   showEntrance,
 } from "discourse/components/topic-list-item";
 import discourseComputed from "discourse-common/utils/decorators";
 
-export default Component.extend({
+@attributeBindings("topic.id:data-topic-id")
-  attributeBindings: ["topic.id:data-topic-id"],
+@classNameBindings(":latest-topic-list-item", "unboundClassNames")
-  classNameBindings: [":latest-topic-list-item", "unboundClassNames"],
+export default class LatestTopicListItem extends Component {
-
+  showEntrance = showEntrance;
-  showEntrance,
+  navigateToTopic = navigateToTopic;
-  navigateToTopic,
 
   click(e) {
     // for events undefined has a different meaning than false
@@ -19,10 +22,10 @@ export default Component.extend({
     }
 
     return this.unhandledRowClick(e, this.topic);
-  },
+  }
 
   // Can be overwritten by plugins to handle clicks on other parts of the row
-  unhandledRowClick() {},
+  unhandledRowClick() {}
 
   @discourseComputed("topic")
   unboundClassNames(topic) {
@@ -45,5 +48,5 @@ export default Component.extend({
     );
 
     return classes.join(" ");
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/link-to-input.js

@@ -2,8 +2,8 @@ import Component from "@ember/component";
 import { schedule } from "@ember/runloop";
 import $ from "jquery";
 
-export default Component.extend({
+export default class LinkToInput extends Component {
-  showInput: false,
+  showInput = false;
 
   click() {
     this.onClick();
@@ -13,5 +13,5 @@ export default Component.extend({
     });
 
     return false;
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/links-redirect.js

@@ -2,10 +2,10 @@ import Component from "@ember/component";
 import { getOwner } from "@ember/owner";
 import ClickTrack from "discourse/lib/click-track";
 
-export default Component.extend({
+export default class LinksRedirect extends Component {
   click(event) {
     if (event?.target?.tagName === "A") {
       return ClickTrack.trackClick(event, getOwner(this));
     }
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/load-more.js

@@ -1,16 +1,16 @@
 import Component from "@ember/component";
+import { action } from "@ember/object";
 import LoadMore from "discourse/mixins/load-more";
 
-export default Component.extend(LoadMore, {
+export default class LoadMoreComponent extends Component.extend(LoadMore) {
   init() {
-    this._super(...arguments);
+    super.init(...arguments);
 
     this.set("eyelineSelector", this.selector);
-  },
+  }
 
-  actions: {
+  @action
-    loadMore() {
+  loadMore() {
-      this.action();
+    this.action();
-    },
+  }
-  },
+}
-});

app/assets/javascripts/discourse/app/components/login-buttons.js

@@ -1,11 +1,12 @@
 import Component from "@ember/component";
+import { classNameBindings } from "@ember-decorators/component";
 import { isWebauthnSupported } from "discourse/lib/webauthn";
 import { findAll } from "discourse/models/login-method";
 import discourseComputed from "discourse-common/utils/decorators";
 
-export default Component.extend({
+@classNameBindings("hidden")
-  elementId: "login-buttons",
+export default class LoginButtons extends Component {
-  classNameBindings: ["hidden"],
+  elementId = "login-buttons";
 
   @discourseComputed(
     "buttons.length",
@@ -14,12 +15,12 @@ export default Component.extend({
   )
   hidden(buttonsCount, showLoginWithEmailLink, showPasskeysButton) {
     return buttonsCount === 0 && !showLoginWithEmailLink && !showPasskeysButton;
-  },
+  }
 
   @discourseComputed
   buttons() {
     return findAll();
-  },
+  }
 
   @discourseComputed
   showPasskeysButton() {
@@ -29,5 +30,5 @@ export default Component.extend({
       this.context === "login" &&
       isWebauthnSupported()
     );
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/mobile-category-topic.js

@@ -1,12 +1,9 @@
 import Component from "@ember/component";
+import { classNameBindings, tagName } from "@ember-decorators/component";
 import { showEntrance } from "discourse/components/topic-list-item";
 
-export default Component.extend({
+@tagName("tr")
-  tagName: "tr",
+@classNameBindings(":category-topic-link", "topic.archived", "topic.visited")
-  classNameBindings: [
+export default class MobileCategoryTopic extends Component {
-    ":category-topic-link",
+  click = showEntrance;
-    "topic.archived",
+}
-    "topic.visited",
-  ],
-  click: showEntrance,
-});

app/assets/javascripts/discourse/app/components/mobile-nav.js

@@ -2,10 +2,16 @@ import Component from "@ember/component";
 import { action } from "@ember/object";
 import { next } from "@ember/runloop";
 import { service } from "@ember/service";
+import { classNames, tagName } from "@ember-decorators/component";
+import { on } from "@ember-decorators/object";
 import $ from "jquery";
-import { on } from "discourse-common/utils/decorators";
 
-export default Component.extend({
+@tagName("ul")
+@classNames("mobile-nav")
+export default class MobileNav extends Component {
+  @service router;
+  selectedHtml = null;
+
   @on("init")
   _init() {
     if (this.site.desktopView) {
@@ -15,19 +21,12 @@ export default Component.extend({
         this.set("classNames", classes);
       }
     }
-  },
+  }
-
-  tagName: "ul",
-  selectedHtml: null,
-
-  classNames: ["mobile-nav"],
-
-  router: service(),
 
   currentRouteChanged() {
     this.set("expanded", false);
     next(() => this._updateSelectedHtml());
-  },
+  }
 
   _updateSelectedHtml() {
     if (!this.element || this.isDestroying || this.isDestroyed) {
@@ -38,19 +37,19 @@ export default Component.extend({
     if (active && active.innerHTML) {
       this.set("selectedHtml", active.innerHTML);
     }
-  },
+  }
 
   didInsertElement() {
-    this._super(...arguments);
+    super.didInsertElement(...arguments);
 
     this._updateSelectedHtml();
     this.router.on("routeDidChange", this, this.currentRouteChanged);
-  },
+  }
 
   willDestroyElement() {
-    this._super(...arguments);
+    super.willDestroyElement(...arguments);
     this.router.off("routeDidChange", this, this.currentRouteChanged);
-  },
+  }
 
   @action
   toggleExpanded(event) {
@@ -74,5 +73,5 @@ export default Component.extend({
           });
       }
     });
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/mount-widget.js

@@ -33,18 +33,18 @@ export function resetWidgetCleanCallbacks() {
   _cleanCallbacks = {};
 }
 
-export default Component.extend({
+export default class MountWidget extends Component {
-  _tree: null,
+  dirtyKeys = null;
-  _rootNode: null,
+  _tree = null;
-  _timeout: null,
+  _rootNode = null;
-  _widgetClass: null,
+  _timeout = null;
-  _renderCallback: null,
+  _widgetClass = null;
-  _childEvents: null,
+  _renderCallback = null;
-  _dispatched: null,
+  _childEvents = null;
-  dirtyKeys: null,
+  _dispatched = null;
 
   init() {
-    this._super(...arguments);
+    super.init(...arguments);
     const name = this.widget;
 
     if (name === "post-cooked") {
@@ -81,19 +81,19 @@ export default Component.extend({
     this._childComponents = ArrayProxy.create({ content: [] });
     this._dispatched = [];
     this.dirtyKeys = new DirtyKeys(name);
-  },
+  }
 
   didInsertElement() {
-    this._super(...arguments);
+    super.didInsertElement(...arguments);
     WidgetClickHook.setupDocumentCallback();
 
     this._rootNode = document.createElement("div");
     this.element.appendChild(this._rootNode);
     this._timeout = scheduleOnce("render", this, this.rerenderWidget);
-  },
+  }
 
   willClearRender() {
-    this._super(...arguments);
+    super.willClearRender(...arguments);
     const callbacks = _cleanCallbacks[this.widget];
     if (callbacks) {
       callbacks.forEach((cb) => cb(this._tree));
@@ -105,29 +105,27 @@ export default Component.extend({
     traverseCustomWidgets(this._tree, (w) => w.destroy());
     this._rootNode = patch(this._rootNode, diff(this._tree, null));
     this._tree = null;
-  },
+  }
 
   willDestroyElement() {
-    this._super(...arguments);
+    super.willDestroyElement(...arguments);
     this._dispatched.forEach((evt) => {
       const [eventName, caller] = evt;
       this.appEvents.off(eventName, this, caller);
     });
     cancel(this._timeout);
-  },
+  }
 
-  afterRender() {},
+  afterRender() {}
-
+  beforePatch() {}
-  beforePatch() {},
+  afterPatch() {}
-
-  afterPatch() {},
 
   eventDispatched(eventName, key, refreshArg) {
     key = typeof key === "function" ? key(refreshArg) : key;
     const onRefresh = camelize(eventName.replace(/:/, "-"));
     this.dirtyKeys.keyDirty(key, { onRefresh, refreshArg });
     this.queueRerender();
-  },
+  }
 
   dispatch(eventName, key) {
     this._childEvents.push(eventName);
@@ -136,7 +134,7 @@ export default Component.extend({
       this.eventDispatched(eventName, key, refreshArg);
     this._dispatched.push([eventName, caller]);
     this.appEvents.on(eventName, this, caller);
-  },
+  }
 
   queueRerender(callback) {
     if (callback && !this._renderCallback) {
@@ -144,9 +142,9 @@ export default Component.extend({
     }
 
     scheduleOnce("render", this, this.rerenderWidget);
-  },
+  }
 
-  buildArgs() {},
+  buildArgs() {}
 
   rerenderWidget() {
     cancel(this._timeout);
@@ -190,18 +188,18 @@ export default Component.extend({
         console.log(Date.now() - t0);
       }
     }
-  },
+  }
 
   mountChildComponent(info) {
     this._childComponents.pushObject(info);
-  },
+  }
 
   unmountChildComponent(info) {
     this._childComponents.removeObject(info);
-  },
+  }
 
   didUpdateAttrs() {
-    this._super(...arguments);
+    super.didUpdateAttrs(...arguments);
     this.queueRerender();
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/navigation-item.js

@@ -1,28 +1,34 @@
 import { tracked } from "@glimmer/tracking";
 import Component from "@ember/component";
 import { dependentKeyCompat } from "@ember/object/compat";
+import {
+  attributeBindings,
+  classNameBindings,
+  tagName,
+} from "@ember-decorators/component";
 import { filterTypeForMode } from "discourse/lib/filter-mode";
 import discourseComputed from "discourse-common/utils/decorators";
 
-export default Component.extend({
+@tagName("li")
-  tagName: "li",
+@classNameBindings(
-  classNameBindings: [
+  "active",
-    "active",
+  "content.hasIcon:has-icon",
-    "content.hasIcon:has-icon",
+  "content.classNames",
-    "content.classNames",
+  "isHidden:hidden",
-    "isHidden:hidden",
+  "content.name"
-    "content.name",
+)
-  ],
+@attributeBindings("content.title:title")
-  attributeBindings: ["content.title:title"],
+export default class NavigationItem extends Component {
-  hidden: false,
+  @tracked filterMode;
-  activeClass: "",
+
-  hrefLink: null,
+  hidden = false;
-  filterMode: tracked(),
+  activeClass = "";
+  hrefLink = null;
 
   @dependentKeyCompat
   get filterType() {
     return filterTypeForMode(this.filterMode);
-  },
+  }
 
   @discourseComputed("content.filterType", "filterType", "content.active")
   active(contentFilterType, filterType, active) {
@@ -30,7 +36,7 @@ export default Component.extend({
       return active;
     }
     return contentFilterType === filterType;
-  },
+  }
 
   @discourseComputed("content.count", "content.name")
   isHidden(count, name) {
@@ -42,10 +48,10 @@ export default Component.extend({
       (name === "new" || name === "unread") &&
       count < 1
     );
-  },
+  }
 
   didReceiveAttrs() {
-    this._super(...arguments);
+    super.didReceiveAttrs(...arguments);
     const content = this.content;
 
     let href = content.get("href");
@@ -87,5 +93,5 @@ export default Component.extend({
     this.set("hrefLink", href);
 
     this.set("activeClass", this.active ? "active" : "");
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/number-field.js

@@ -1,14 +1,15 @@
+import { computed } from "@ember/object";
+import { classNameBindings } from "@ember-decorators/component";
 import TextField from "discourse/components/text-field";
 import { allowOnlyNumericInput } from "discourse/lib/utilities";
 import deprecated from "discourse-common/lib/deprecated";
 import discourseComputed from "discourse-common/utils/decorators";
 import I18n from "discourse-i18n";
 
-export default TextField.extend({
+@classNameBindings("invalid")
-  classNameBindings: ["invalid"],
+export default class NumberField extends TextField {
-
   init() {
-    this._super(...arguments);
+    super.init(...arguments);
     deprecated(
       `NumberField component is deprecated. Use native <input> elements instead.\ne.g. <input {{on "input" (with-event-value (fn (mut this.value)))}} type="number" value={{this.value}} />`,
       {
@@ -17,46 +18,47 @@ export default TextField.extend({
         dropFrom: "3.3.0",
       }
     );
-  },
+  }
 
-  keyDown: function (event) {
+  keyDown(event) {
     allowOnlyNumericInput(event, this._minNumber && this._minNumber < 0);
-  },
+  }
 
   get _minNumber() {
     if (!this.get("min")) {
       return;
     }
     return parseInt(this.get("min"), 10);
-  },
+  }
 
   get _maxNumber() {
     if (!this.get("max")) {
       return;
     }
     return parseInt(this.get("max"), 10);
-  },
+  }
 
-  @discourseComputed("number")
+  @computed("number")
-  value: {
+  get value() {
-    get(number) {
+    if (this.number === null) {
-      return parseInt(number, 10);
+      return "";
-    },
+    }
-    set(value) {
+    return parseInt(this.number, 10);
-      const num = parseInt(value, 10);
+  }
-      if (isNaN(num)) {
+
-        this.set("invalid", true);
+  set value(value) {
-        return value;
+    const num = parseInt(value, 10);
-      } else {
+    if (isNaN(num)) {
-        this.set("invalid", false);
+      this.set("invalid", true);
-        this.set("number", num);
+      this.set("number", null);
-        return num.toString();
+    } else {
-      }
+      this.set("invalid", false);
-    },
+      this.set("number", num);
-  },
+    }
+  }
 
   @discourseComputed("placeholderKey")
   placeholder(key) {
     return key ? I18n.t(key) : "";
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/parent-category-row.js

@@ -1,3 +1,3 @@
 import CategoryListItem from "discourse/components/category-list-item";
 
-export default CategoryListItem.extend({});
+export default class ParentCategoryRow extends CategoryListItem {}

app/assets/javascripts/discourse/app/components/password-field.js

@@ -4,8 +4,8 @@ import TextField from "discourse/components/text-field";
   Same as text-field, but with special features for a password input.
   Be sure to test on a variety of browsers and operating systems when changing this logic.
 **/
-export default TextField.extend({
+export default class PasswordField extends TextField {
-  canToggle: false,
+  canToggle = false;
 
   keyPress(e) {
     if (
@@ -21,19 +21,19 @@ export default TextField.extend({
       this.set("canToggle", true);
       this.set("capsLockOn", false);
     }
-  },
+  }
 
   keyUp(e) {
     if (e.which === 20 && this.canToggle) {
       this.toggleProperty("capsLockOn");
     }
-  },
+  }
 
   focusOut() {
     this.set("capsLockOn", false);
-  },
+  }
 
   focusIn() {
     this.set("canToggle", false); // can't know the state of caps lock yet. keyPress will figure it out.
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/pending-post.js

@@ -4,12 +4,12 @@ import { ajax } from "discourse/lib/ajax";
 import { loadOneboxes } from "discourse/lib/load-oneboxes";
 import { afterRender } from "discourse-common/utils/decorators";
 
-export default Component.extend({
+export default class PendingPost extends Component {
   didRender() {
-    this._super(...arguments);
+    super.didRender(...arguments);
     this._loadOneboxes();
     this._resolveUrls();
-  },
+  }
 
   @afterRender
   _loadOneboxes() {
@@ -21,10 +21,10 @@ export default Component.extend({
       this.siteSettings.max_oneboxes_per_post,
       true
     );
-  },
+  }
 
   @afterRender
   _resolveUrls() {
     resolveAllShortUrls(ajax, this.siteSettings, this.element, this.opts);
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/pick-files-button.js

@@ -2,6 +2,7 @@ import Component from "@ember/component";
 import { action } from "@ember/object";
 import { service } from "@ember/service";
 import { isBlank } from "@ember/utils";
+import { classNames } from "@ember-decorators/component";
 import {
   authorizedExtensions,
   authorizesAllExtensions,
@@ -17,39 +18,40 @@ import I18n from "discourse-i18n";
 // binding will still be added, and the file type will be validated here. This
 // is sometimes useful if you need to do something outside the uppy upload with
 // the file, such as directly using JSON or CSV data from a file in JS.
-export default Component.extend({
+@classNames("pick-files-button")
-  dialog: service(),
+export default class PickFilesButton extends Component {
-  fileInputId: null,
+  @service dialog;
-  fileInputClass: null,
+
-  fileInputDisabled: false,
+  fileInputId = null;
-  classNames: ["pick-files-button"],
+  fileInputClass = null;
-  acceptedFormatsOverride: null,
+  fileInputDisabled = false;
-  allowMultiple: false,
+  acceptedFormatsOverride = null;
-  showButton: false,
+  allowMultiple = false;
+  showButton = false;
 
   didInsertElement() {
-    this._super(...arguments);
+    super.didInsertElement(...arguments);
 
     if (this.onFilesPicked) {
       const fileInput = this.element.querySelector("input");
       this.set("fileInput", fileInput);
       fileInput.addEventListener("change", this.onChange, false);
     }
-  },
+  }
 
   willDestroyElement() {
-    this._super(...arguments);
+    super.willDestroyElement(...arguments);
 
     if (this.onFilesPicked) {
       this.fileInput.removeEventListener("change", this.onChange);
     }
-  },
+  }
 
   @bind
   onChange() {
     const files = this.fileInput.files;
     this._filesPicked(files);
-  },
+  }
 
   @discourseComputed()
   acceptsAllFormats() {
@@ -57,7 +59,7 @@ export default Component.extend({
       this.capabilities.isIOS ||
       authorizesAllExtensions(this.currentUser.staff, this.siteSettings)
     );
-  },
+  }
 
   @discourseComputed()
   acceptedFormats() {
@@ -72,12 +74,12 @@ export default Component.extend({
     );
 
     return extensions.map((ext) => `.${ext}`).join();
-  },
+  }
 
   @action
   openSystemFilePicker() {
     this.fileInput.click();
-  },
+  }
 
   _filesPicked(files) {
     if (!files || !files.length) {
@@ -95,7 +97,7 @@ export default Component.extend({
     if (typeof this.onFilesPicked === "function") {
       this.onFilesPicked(files);
     }
-  },
+  }
 
   _haveAcceptedTypes(files) {
     for (const file of files) {
@@ -104,7 +106,7 @@ export default Component.extend({
       }
     }
     return true;
-  },
+  }
 
   _hasAcceptedExtensionOrType(file) {
     const extension = this._fileExtension(file.name);
@@ -112,9 +114,9 @@ export default Component.extend({
       this.acceptedFormats.includes(`.${extension}`) ||
       this.acceptedFormats.includes(file.type)
     );
-  },
+  }
 
   _fileExtension(fileName) {
     return fileName.split(".").pop();
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/plugin-connector.js

@@ -18,9 +18,9 @@ export function resetDecorators() {
   _decorators = {};
 }
 
-export default Component.extend({
+export default class PluginConnector extends Component {
   init() {
-    this._super(...arguments);
+    super.init(...arguments);
 
     const args = this.args || {};
     Object.keys(args).forEach((key) => {
@@ -68,31 +68,31 @@ export default Component.extend({
       connectorInfo
     );
     connectorClass?.setupComponent?.call(this, merged, this);
-  },
+  }
 
   didReceiveAttrs() {
-    this._super(...arguments);
+    super.didReceiveAttrs(...arguments);
 
     this._decoratePluginOutlets();
-  },
+  }
 
   @afterRender
   _decoratePluginOutlets() {
     (_decorators[this.connector.outletName] || []).forEach((dec) =>
       dec(this.element, this.args)
     );
-  },
+  }
 
   willDestroyElement() {
-    this._super(...arguments);
+    super.willDestroyElement(...arguments);
 
     const connectorClass = this.connector.connectorClass;
     connectorClass?.teardownComponent?.call(this, this);
-  },
+  }
 
   send(name, ...args) {
     const connectorClass = this.connector.connectorClass;
     const action = connectorClass?.actions?.[name];
-    return action ? action.call(this, ...args) : this._super(name, ...args);
+    return action ? action.call(this, ...args) : super.send(name, ...args);
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/popup-input-tip.js

@@ -2,54 +2,61 @@ import Component from "@ember/component";
 import { not, or, reads } from "@ember/object/computed";
 import { service } from "@ember/service";
 import { htmlSafe } from "@ember/template";
+import {
+  attributeBindings,
+  classNameBindings,
+  tagName,
+} from "@ember-decorators/component";
 import discourseComputed from "discourse-common/utils/decorators";
 
-export default Component.extend({
+@tagName("a")
-  composer: service(),
+@classNameBindings(":popup-tip", "good", "bad", "lastShownAt::hide")
-  tagName: "a",
+@attributeBindings("role", "ariaLabel", "tabindex")
-  classNameBindings: [":popup-tip", "good", "bad", "lastShownAt::hide"],
+export default class PopupInputTip extends Component {
-  attributeBindings: ["role", "ariaLabel", "tabindex"],
+  @service composer;
-  tipReason: null,
+
-  lastShownAt: or("shownAt", "validation.lastShownAt"),
+  tipReason = null;
-  bad: reads("validation.failed"),
+  tabindex = "0";
-  good: not("bad"),
+
-  tabindex: "0",
+  @or("shownAt", "validation.lastShownAt") lastShownAt;
+  @reads("validation.failed") bad;
+  @not("bad") good;
 
   @discourseComputed("bad")
   role(bad) {
     if (bad) {
       return "alert";
     }
-  },
+  }
 
   @discourseComputed("validation.reason")
   ariaLabel(reason) {
     return reason?.replace(/(<([^>]+)>)/gi, "");
-  },
+  }
 
   dismiss() {
     this.set("shownAt", null);
     this.composer.clearLastValidatedAt();
     this.element.previousElementSibling?.focus();
-  },
+  }
 
   click() {
     this.dismiss();
-  },
+  }
 
   keyDown(event) {
     if (event.key === "Enter") {
       this.dismiss();
     }
-  },
+  }
 
   didReceiveAttrs() {
-    this._super(...arguments);
+    super.didReceiveAttrs(...arguments);
     let reason = this.get("validation.reason");
     if (reason) {
       this.set("tipReason", htmlSafe(`${reason}`));
     } else {
       this.set("tipReason", null);
     }
-  },
+  }
-});
+}

app/assets/javascripts/discourse/app/components/popup-menu.js

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