chore: extract FormModal from Modal

extensions/flags/js/src/forum/components/FlagPostModal.js

@@ -1,13 +1,13 @@
 import app from 'flarum/forum/app';
-import Modal from 'flarum/common/components/Modal';
+import FormModal from 'flarum/common/components/FormModal';
 import Form from 'flarum/common/components/Form';
 import Button from 'flarum/common/components/Button';
 
 import Stream from 'flarum/common/utils/Stream';
 import withAttr from 'flarum/common/utils/withAttr';
 import ItemList from 'flarum/common/utils/ItemList';
 
-export default class FlagPostModal extends Modal {
+export default class FlagPostModal extends FormModal {
   oninit(vnode) {
     super.oninit(vnode);
 

extensions/nicknames/js/src/forum/components/NicknameModal.js

@@ -1,10 +1,10 @@
 import app from 'flarum/forum/app';
-import Modal from 'flarum/common/components/Modal';
+import FormModal from 'flarum/common/components/FormModal';
 import Button from 'flarum/common/components/Button';
 import Stream from 'flarum/common/utils/Stream';
 import Form from '@flarum/core/src/common/components/Form';
 
-export default class NicknameModal extends Modal {
+export default class NicknameModal extends FormModal {
   oninit(vnode) {
     super.oninit(vnode);
     this.nickname = Stream(app.session.user.displayName());

extensions/statistics/js/src/admin/components/StatisticsWidgetDateSelectionModal.tsx

@@ -1,7 +1,7 @@
 import app from 'flarum/admin/app';
 import ItemList from 'flarum/common/utils/ItemList';
 import generateElementId from 'flarum/admin/utils/generateElementId';
-import Modal, { IInternalModalAttrs } from 'flarum/common/components/Modal';
+import FormModal, { IFormModalAttrs } from 'flarum/common/components/FormModal';
 
 import Mithril from 'mithril';
 import Button from 'flarum/common/components/Button';
@@ -22,7 +22,7 @@ export interface IDateSelection {
   end: number;
 }
 
-export interface IStatisticsWidgetDateSelectionModalAttrs extends IInternalModalAttrs {
+export interface IStatisticsWidgetDateSelectionModalAttrs extends IFormModalAttrs {
   onModalSubmit: (dates: IDateSelection) => void;
   value?: IDateSelection;
 }
@@ -38,7 +38,7 @@ interface IStatisticsWidgetDateSelectionModalState {
   };
 }
 
-export default class StatisticsWidgetDateSelectionModal extends Modal<IStatisticsWidgetDateSelectionModalAttrs> {
+export default class StatisticsWidgetDateSelectionModal extends FormModal<IStatisticsWidgetDateSelectionModalAttrs> {
   /* @ts-expect-error core typings don't allow us to set the type of the state attr :( */
   state: IStatisticsWidgetDateSelectionModalState = {
     inputs: {

extensions/suspend/js/src/forum/components/SuspendUserModal.js

@@ -1,5 +1,5 @@
 import app from 'flarum/forum/app';
-import Modal from 'flarum/common/components/Modal';
+import FormModal from 'flarum/common/components/FormModal';
 import Button from 'flarum/common/components/Button';
 import Stream from 'flarum/common/utils/Stream';
 import withAttr from 'flarum/common/utils/withAttr';
@@ -9,7 +9,7 @@ import { getPermanentSuspensionDate } from '../helpers/suspensionHelper';
 import Form from '@flarum/core/src/common/components/Form';
 import FieldSet from '@flarum/core/src/common/components/FieldSet';
 
-export default class SuspendUserModal extends Modal {
+export default class SuspendUserModal extends FormModal {
   oninit(vnode) {
     super.oninit(vnode);
 

extensions/tags/js/src/admin/components/EditTagModal.tsx

@@ -1,5 +1,5 @@
 import app from 'flarum/admin/app';
-import Modal, { IInternalModalAttrs } from 'flarum/common/components/Modal';
+import FormModal, { IFormModalAttrs } from 'flarum/common/components/FormModal';
 import Button from 'flarum/common/components/Button';
 import ColorPreviewInput from 'flarum/common/components/ColorPreviewInput';
 import ItemList from 'flarum/common/utils/ItemList';
@@ -12,7 +12,7 @@ import type Mithril from 'mithril';
 import tagLabel from '../../common/helpers/tagLabel';
 import type Tag from '../../common/models/Tag';
 
-export interface EditTagModalAttrs extends IInternalModalAttrs {
+export interface EditTagModalAttrs extends IFormModalAttrs {
   primary?: boolean;
   model?: Tag;
 }
@@ -21,7 +21,7 @@ export interface EditTagModalAttrs extends IInternalModalAttrs {
  * The `EditTagModal` component shows a modal dialog which allows the user
  * to create or edit a tag.
  */
-export default class EditTagModal extends Modal<EditTagModalAttrs> {
+export default class EditTagModal extends FormModal<EditTagModalAttrs> {
   tag!: Tag;
 
   name!: Stream<string>;

extensions/tags/js/src/common/components/TagSelectionModal.tsx

@@ -5,7 +5,7 @@ import extractText from 'flarum/common/utils/extractText';
 import highlight from 'flarum/common/helpers/highlight';
 import KeyboardNavigatable from 'flarum/common/utils/KeyboardNavigatable';
 import LoadingIndicator from 'flarum/common/components/LoadingIndicator';
-import Modal from 'flarum/common/components/Modal';
+import FormModal from 'flarum/common/components/FormModal';
 import Stream from 'flarum/common/utils/Stream';
 
 import sortTags from '../utils/sortTags';
@@ -14,7 +14,7 @@ import tagIcon from '../helpers/tagIcon';
 import ToggleButton from '../../forum/components/ToggleButton';
 
 import type Tag from '../models/Tag';
-import type { IInternalModalAttrs } from 'flarum/common/components/Modal';
+import type { IFormModalAttrs } from 'flarum/common/components/FormModal';
 import type Mithril from 'mithril';
 
 export interface ITagSelectionModalLimits {
@@ -34,7 +34,7 @@ export interface ITagSelectionModalLimits {
   };
 }
 
-export interface ITagSelectionModalAttrs extends IInternalModalAttrs {
+export interface ITagSelectionModalAttrs extends IFormModalAttrs {
   /** Custom modal className to use. */
   className?: string;
   /** Modal title, defaults to 'Choose Tags'. */
@@ -64,7 +64,7 @@ export type ITagSelectionModalState = undefined;
 export default class TagSelectionModal<
   CustomAttrs extends ITagSelectionModalAttrs = ITagSelectionModalAttrs,
   CustomState extends ITagSelectionModalState = ITagSelectionModalState
-> extends Modal<CustomAttrs, CustomState> {
+> extends FormModal<CustomAttrs, CustomState> {
   protected loading = true;
   protected tags!: Tag[];
   protected selected: Tag[] = [];
@@ -108,7 +108,7 @@ export default class TagSelectionModal<
       .onSelect(this.select.bind(this))
       .onRemove(() => this.selected.splice(this.selected.length - 1, 1));
 
-    app.tagList.load(['parent']).then((tags) => {
+    app.tagList.load(['parent']).then((tags: Tag[]) => {
       this.loading = false;
 
       if (this.attrs.selectableTags) {

extensions/tags/js/src/common/states/TagListState.ts

@@ -21,7 +21,7 @@ export default class TagListState {
   async query(includes: string[] = []): Promise<Tag[]> {
     this.loadedIncludes ??= new Set();
 
-    return app.store.find<Tag[]>('tags', { include: includes.join(',') }).then((val) => {
+    return app.store.find<Tag[]>('tags', { include: includes.join(',') }).then((val: Tag) => {
       includes.forEach((include) => this.loadedIncludes!.add(include));
       return val;
     });

framework/core/js/src/admin/components/CreateUserModal.tsx

@@ -1,5 +1,5 @@
 import app from '../../admin/app';
-import Modal, { IInternalModalAttrs } from '../../common/components/Modal';
+import FormModal, { IFormModalAttrs } from '../../common/components/FormModal';
 import Button from '../../common/components/Button';
 import extractText from '../../common/utils/extractText';
 import ItemList from '../../common/utils/ItemList';
@@ -9,7 +9,7 @@ import Switch from '../../common/components/Switch';
 import { generateRandomString } from '../../common/utils/string';
 import Form from '../../common/components/Form';
 
-export interface ICreateUserModalAttrs extends IInternalModalAttrs {
+export interface ICreateUserModalAttrs extends IFormModalAttrs {
   username?: string;
   email?: string;
   password?: string;
@@ -24,7 +24,7 @@ export type SignupBody = {
   password: string;
 };
 
-export default class CreateUserModal<CustomAttrs extends ICreateUserModalAttrs = ICreateUserModalAttrs> extends Modal<CustomAttrs> {
+export default class CreateUserModal<CustomAttrs extends ICreateUserModalAttrs = ICreateUserModalAttrs> extends FormModal<CustomAttrs> {
   /**
    * The value of the username input.
    */

framework/core/js/src/admin/components/EditGroupModal.tsx

@@ -1,5 +1,5 @@
 import app from '../../admin/app';
-import Modal, { IInternalModalAttrs } from '../../common/components/Modal';
+import FormModal, { IFormModalAttrs } from '../../common/components/FormModal';
 import Button from '../../common/components/Button';
 import Badge from '../../common/components/Badge';
 import Group from '../../common/models/Group';
@@ -11,15 +11,15 @@ import extractText from '../../common/utils/extractText';
 import ColorPreviewInput from '../../common/components/ColorPreviewInput';
 import Form from '../../common/components/Form';
 
-export interface IEditGroupModalAttrs extends IInternalModalAttrs {
+export interface IEditGroupModalAttrs extends IFormModalAttrs {
   group?: Group;
 }
 
 /**
  * The `EditGroupModal` component shows a modal dialog which allows the user
  * to create or edit a group.
  */
-export default class EditGroupModal<CustomAttrs extends IEditGroupModalAttrs = IEditGroupModalAttrs> extends Modal<CustomAttrs> {
+export default class EditGroupModal<CustomAttrs extends IEditGroupModalAttrs = IEditGroupModalAttrs> extends FormModal<CustomAttrs> {
   group!: Group;
   nameSingular!: Stream<string>;
   namePlural!: Stream<string>;

framework/core/js/src/admin/components/LoadingModal.tsx

@@ -20,8 +20,4 @@ export default class LoadingModal<ModalAttrs extends ILoadingModalAttrs = ILoadi
   content() {
     return null;
   }
-
-  onsubmit(e: Event): void {
-    throw new Error('LoadingModal should not throw errors.');
-  }
 }

framework/core/js/src/admin/components/SettingsModal.tsx

@@ -1,15 +1,15 @@
 import app from '../../admin/app';
-import Modal, { IInternalModalAttrs } from '../../common/components/Modal';
+import FormModal, { IFormModalAttrs } from '../../common/components/FormModal';
 import Button from '../../common/components/Button';
 import Stream from '../../common/utils/Stream';
 import saveSettings from '../utils/saveSettings';
 import Mithril from 'mithril';
 import { MutableSettings, SettingValue } from './AdminPage';
 import Form from '../../common/components/Form';
 
-export interface ISettingsModalAttrs extends IInternalModalAttrs {}
+export interface ISettingsModalAttrs extends IFormModalAttrs {}
 
-export default abstract class SettingsModal<CustomAttrs extends ISettingsModalAttrs = ISettingsModalAttrs> extends Modal<CustomAttrs> {
+export default abstract class SettingsModal<CustomAttrs extends ISettingsModalAttrs = ISettingsModalAttrs> extends FormModal<CustomAttrs> {
   settings: MutableSettings = {};
   loading: boolean = false;
 

framework/core/js/src/common/common.ts

@@ -65,6 +65,7 @@ import './components/SelectDropdown';
 import './components/ModalManager';
 import './components/Button';
 import './components/Modal';
+import './components/FormModal';
 import './components/GroupBadge';
 import './components/TextEditor';
 import './components/TextEditorButton';

framework/core/js/src/common/components/EditUserModal.tsx

@@ -1,5 +1,5 @@
 import app from '../../common/app';
-import Modal, { IInternalModalAttrs } from './Modal';
+import FormModal, { IFormModalAttrs } from '../../common/components/FormModal';
 import Button from './Button';
 import GroupBadge from './GroupBadge';
 import Group from '../models/Group';
@@ -11,11 +11,11 @@ import type User from '../models/User';
 import type { SaveAttributes, SaveRelationships } from '../Model';
 import Form from './Form';
 
-export interface IEditUserModalAttrs extends IInternalModalAttrs {
+export interface IEditUserModalAttrs extends IFormModalAttrs {
   user: User;
 }
 
-export default class EditUserModal<CustomAttrs extends IEditUserModalAttrs = IEditUserModalAttrs> extends Modal<CustomAttrs> {
+export default class EditUserModal<CustomAttrs extends IEditUserModalAttrs = IEditUserModalAttrs> extends FormModal<CustomAttrs> {
   protected username!: Stream<string>;
   protected email!: Stream<string>;
   protected isEmailConfirmed!: Stream<boolean>;

framework/core/js/src/common/components/FormModal.tsx

@@ -0,0 +1,51 @@
+import Modal from './Modal';
+import type { IInternalModalAttrs } from './Modal';
+import RequestError from '../utils/RequestError';
+import Mithril from 'mithril';
+
+export interface IFormModalAttrs extends IInternalModalAttrs {}
+
+/**
+ * The `FormModal` component displays a modal dialog, wrapped in a form.
+ * Subclasses should implement the `className`, `title`, and `content` methods.
+ */
+export default abstract class FormModal<ModalAttrs extends IFormModalAttrs = IFormModalAttrs, CustomState = undefined> extends Modal<
+  ModalAttrs,
+  CustomState
+> {
+  wrapper(children: Mithril.Children): Mithril.Children {
+    return <form onsubmit={this.onsubmit.bind(this)}>{children}</form>;
+  }
+
+  /**
+   * Handle the modal form's submit event.
+   */
+  onsubmit(e: SubmitEvent): void {
+    // ...
+  }
+
+  /**
+   * Callback executed when the modal is shown and ready to be interacted with.
+   *
+   * @remark Focuses the first input in the modal.
+   */
+  onready(): void {
+    this.$().find('input, select, textarea').first().trigger('focus').trigger('select');
+  }
+
+  /**
+   * Shows an alert describing an error returned from the API, and gives focus to
+   * the first relevant field involved in the error.
+   */
+  onerror(error: RequestError): void {
+    this.alertAttrs = error.alert;
+
+    m.redraw();
+
+    if (error.status === 422 && error.response?.errors) {
+      this.$('form [name=' + (error.response.errors as any[])[0].source.pointer.replace('/data/attributes/', '') + ']').trigger('select');
+    } else {
+      this.onready();
+    }
+  }
+}