feat: create message-text component

package.json

@@ -112,7 +112,7 @@
     "@ctrl/ngx-emoji-mart": "^8.2.0",
     "@floating-ui/dom": "^1.6.3",
     "@ngx-translate/core": "^14.0.0",
-    "@stream-io/stream-chat-css": "5.3.0",
+    "@stream-io/stream-chat-css": "5.6.1",
     "@stream-io/transliterate": "^1.5.2",
     "angular-mentions": "1.4.0",
     "dayjs": "^1.11.10",

projects/customizations-example/src/app/app.component.html

@@ -262,3 +262,16 @@
   <div>Latest message text: {{ latestMessageText }}</div>
   <div>Latest message id: {{ latestMessage?.id }}</div>
 </ng-template>
+
+<ng-template
+  #messageText
+  let-message="message"
+  let-shouldTranslate="shouldTranslate"
+  let-isQuoted="isQuoted"
+>
+  <app-message-text
+    [message]="message"
+    [shouldTranslate]="shouldTranslate"
+    [isQuoted]="isQuoted"
+  ></app-message-text>
+</ng-template>

projects/customizations-example/src/app/app.component.ts

@@ -36,6 +36,7 @@ import {
   MessageActionsService,
   ChannelPreviewInfoContext,
   MessageReactionsSelectorComponent,
+  MessageTextContext,
 } from 'stream-chat-angular';
 import { environment } from '../environments/environment';
 
@@ -95,6 +96,8 @@ export class AppComponent implements AfterViewInit {
   private emptyMainMessageListTemplate!: TemplateRef<void>;
   @ViewChild('emptyThreadMessageList')
   private emptyThreadMessageListTemplate!: TemplateRef<void>;
+  @ViewChild('messageText')
+  messageTextTemplate!: TemplateRef<MessageTextContext>;
 
   constructor(
     private chatService: ChatClientService,
@@ -189,6 +192,9 @@ export class AppComponent implements AfterViewInit {
     this.customTemplatesService.emptyThreadMessageListPlaceholder$.next(
       this.emptyThreadMessageListTemplate
     );
+    this.customTemplatesService.messageTextTemplate$.next(
+      this.messageTextTemplate
+    );
   }
 
   inviteClicked(channel: Channel) {

projects/customizations-example/src/app/app.module.ts

@@ -12,6 +12,7 @@ import { PickerModule } from '@ctrl/ngx-emoji-mart';
 import { MessageActionComponent } from './message-action/message-action.component';
 import { ThreadHeaderComponent } from './thread-header/thread-header.component';
 import { IconComponent } from './icon/icon.component';
+import { MessageTextComponent } from './message-text/message-text.component';
 
 @NgModule({
   declarations: [
@@ -20,6 +21,7 @@ import { IconComponent } from './icon/icon.component';
     MessageActionComponent,
     ThreadHeaderComponent,
     IconComponent,
+    MessageTextComponent,
   ],
   imports: [
     BrowserModule,

projects/customizations-example/src/app/message-text/message-text.component.html

@@ -0,0 +1,24 @@
+<ng-container *ngIf="isQuoted; else regularMessageText">
+  <!-- Quoted message are clamped by default, so need there -->
+  <stream-message-text
+    [message]="message"
+    [shouldTranslate]="shouldTranslate"
+    [isQuoted]="isQuoted"
+  ></stream-message-text>
+</ng-container>
+<ng-template #regularMessageText>
+  <div class="message-text" [class.message-text-expanded]="isExpanded" #text>
+    <stream-message-text
+      [message]="message"
+      [shouldTranslate]="shouldTranslate"
+      [isQuoted]="isQuoted"
+    ></stream-message-text>
+  </div>
+  <!-- 5px diff is due to Firefox issue -->
+  <button
+    [class.visible]="text.scrollHeight - text.clientHeight > 5 || isExpanded"
+    (click)="isExpanded = !isExpanded"
+  >
+    {{ "Show" + (isExpanded ? " less" : " more") }}
+  </button>
+</ng-template>

projects/customizations-example/src/app/message-text/message-text.component.scss

@@ -0,0 +1,19 @@
+.message-text {
+  overflow: hidden;
+  display: -webkit-box;
+  -webkit-line-clamp: 5;
+  line-clamp: 5;
+  -webkit-box-orient: vertical;
+}
+
+.message-text.message-text-expanded {
+  display: block;
+}
+
+button {
+  display: none;
+
+  &.visible {
+    display: block;
+  }
+}

projects/customizations-example/src/app/message-text/message-text.component.ts

@@ -0,0 +1,18 @@
+import { Component, Input } from '@angular/core';
+import { MessageResponseBase } from 'stream-chat';
+import { DefaultStreamChatGenerics, StreamMessage } from 'stream-chat-angular';
+
+@Component({
+  selector: 'app-message-text',
+  templateUrl: './message-text.component.html',
+  styleUrls: ['./message-text.component.scss'],
+})
+export class MessageTextComponent {
+  @Input() message:
+    | StreamMessage<DefaultStreamChatGenerics>
+    | undefined
+    | MessageResponseBase<DefaultStreamChatGenerics>;
+  @Input() isQuoted: boolean = false;
+  @Input() shouldTranslate: boolean = false;
+  isExpanded = false;
+}

projects/stream-chat-angular/src/lib/custom-templates.service.ts

@@ -26,6 +26,7 @@ import {
   MessageContext,
   MessageReactionsContext,
   MessageReactionsSelectorContext,
+  MessageTextContext,
   ModalContext,
   NotificationContext,
   ReadStatusContext,
@@ -43,7 +44,7 @@ import {
  *
  * For code examples to the different customizations see our [customizations example application](https://github.com/GetStream/stream-chat-angular/tree/master/projects/customizations-example), specifically the [AppComponent](https://github.com/GetStream/stream-chat-angular/tree/master/projects/customizations-example/src/app) (see [README](https://github.com/GetStream/stream-chat-angular/blob/master/README.md#customization-examples) for instructions on how to start the application).
  *
- * You can find the type definitions of the context that is provided for each template [on GitHub](https://github.com/GetStream/stream-chat-angular/blob/master/projects/stream-chat-angu)
+ * You can find the type definitions of the context that is provided for each template [on GitHub](https://github.com/GetStream/stream-chat-angular/blob/master/projects/stream-chat-angular/src/lib/types.ts)
  */
 @Injectable({
   providedIn: 'root',
@@ -358,6 +359,12 @@ export class CustomTemplatesService<
   customMessageMetadataInsideBubbleTemplate$ = new BehaviorSubject<
     TemplateRef<CustomMetadataContext> | undefined
   >(undefined);
+  /**
+   * Template to display the text content inside the [message component](/chat/docs/sdk/angular/components/MessageComponent/). The default component is [stream-message-text](/chat/docs/sdk/angular/components/MessageTextComponent/)
+   */
+  messageTextTemplate$ = new BehaviorSubject<
+    TemplateRef<MessageTextContext> | undefined
+  >(undefined);
 
   constructor() {}
 }

projects/stream-chat-angular/src/lib/message-input/message-input.component.html

@@ -91,15 +91,28 @@
               [attachments]="quotedMessageAttachments"
               [messageId]="quotedMessage.id"
             ></stream-attachment-list>
-            <div
-              class="str-chat__quoted-message-text"
-              data-testid="quoted-message-text"
-              [innerHTML]="
-                quotedMessage.translation ||
-                quotedMessage.html ||
-                quotedMessage.text
-              "
-            ></div>
+            <div class="str-chat__quoted-message-text">
+              <ng-container
+                *ngTemplateOutlet="
+                  (customTemplatesService.messageTextTemplate$ | async) ||
+                    defaultText;
+                  context: getQuotedMessageTextContext()
+                "
+              ></ng-container>
+              <ng-template
+                #defaultText
+                let-message="message"
+                let-isQuoted="isQuoted"
+                let-shouldTranslate="shouldTranslate"
+              >
+                <stream-message-text
+                  [message]="message"
+                  [isQuoted]="isQuoted"
+                  [shouldTranslate]="shouldTranslate"
+                  data-testid="quoted-message-text"
+                ></stream-message-text>
+              </ng-template>
+            </div>
           </div>
         </div>
         <ng-template

projects/stream-chat-angular/src/lib/message-input/message-input.component.spec.ts

@@ -38,6 +38,7 @@ import { StreamAvatarModule } from '../stream-avatar.module';
 import { VoiceRecorderService } from './voice-recorder.service';
 import { CustomTemplatesService } from '../custom-templates.service';
 import { MessageInputConfigService } from './message-input-config.service';
+import { MessageTextComponent } from '../message-text/message-text.component';
 
 describe('MessageInputComponent', () => {
   let nativeElement: HTMLElement;
@@ -131,6 +132,7 @@ describe('MessageInputComponent', () => {
         AutocompleteTextareaComponent,
         AttachmentListComponent,
         AttachmentPreviewListComponent,
+        MessageTextComponent,
       ],
       providers: [
         {
@@ -783,10 +785,15 @@ describe('MessageInputComponent', () => {
     expect(avatar.location).toBe('quoted-message-sender');
     expect(avatar.user).toBe(message.user!);
     expect(attachments.attachments).toEqual([{ id: '1' }]);
-    expect(
-      nativeElement.querySelector('[data-testid="quoted-message-text"]')
-        ?.innerHTML
-    ).toContain(message.text);
+
+    const textComponent = fixture.debugElement
+      .query(By.css(quotedMessageContainerSelector))
+      .query(By.directive(MessageTextComponent))
+      .componentInstance as MessageTextComponent;
+
+    expect(textComponent.message).toBe(message);
+    expect(textComponent.isQuoted).toBe(true);
+    expect(textComponent.shouldTranslate).toBe(true);
 
     mockMessageToQuote$.next(undefined);
     fixture.detectChanges();

projects/stream-chat-angular/src/lib/message-input/message-input.component.ts

@@ -34,6 +34,7 @@ import {
   CustomAttachmentUploadContext,
   DefaultStreamChatGenerics,
   EmojiPickerContext,
+  MessageTextContext,
   StreamMessage,
 } from '../types';
 import { MessageInputConfigService } from './message-input-config.service';
@@ -163,7 +164,7 @@ export class MessageInputComponent
     private componentFactoryResolver: ComponentFactoryResolver,
     private cdRef: ChangeDetectorRef,
     private emojiInputService: EmojiInputService,
-    private customTemplatesService: CustomTemplatesService,
+    readonly customTemplatesService: CustomTemplatesService,
     private messageActionsService: MessageActionsService,
     public readonly voiceRecorderService: VoiceRecorderService,
     @Optional() public audioRecorder?: AudioRecorderService
@@ -494,6 +495,14 @@ export class MessageInputComponent
     };
   }
 
+  getQuotedMessageTextContext(): MessageTextContext {
+    return {
+      message: this.quotedMessage,
+      isQuoted: true,
+      shouldTranslate: true,
+    };
+  }
+
   async startVoiceRecording() {
     await this.audioRecorder?.start();
     if (this.audioRecorder?.isRecording) {

projects/stream-chat-angular/src/lib/message-text/message-text.component.html

@@ -0,0 +1,35 @@
+<p
+  [class.str-chat__quoted-message-text-value]="isQuoted"
+  [class.str-chat__message-text-value]="!isQuoted"
+  *ngIf="message?.text"
+  data-testid="text"
+>
+  <ng-container *ngIf="messageTextParts; else defaultContent">
+    <!-- eslint-disable-next-line @angular-eslint/template/use-track-by-function -->
+    <ng-container *ngFor="let part of messageTextParts">
+      <span
+        *ngIf="part.type === 'text'; else mention"
+        [innerHTML]="part.content"
+      ></span>
+      <ng-template #mention>
+        <ng-template #defaultMention let-content="content">
+          <span class="str-chat__message-mention">{{ content }}</span>
+        </ng-template>
+        <ng-container
+          *ngTemplateOutlet="
+            (customTemplatesService.mentionTemplate$ | async) || defaultMention;
+            context: getMentionContext(part)
+          "
+        ></ng-container>
+      </ng-template>
+    </ng-container>
+  </ng-container>
+  <ng-template #defaultContent>
+    <ng-container *ngIf="displayAs === 'text'; else asHTML">
+      {{ messageText || "" }}
+    </ng-container>
+    <ng-template #asHTML
+      ><span data-testid="html-content" [innerHTML]="messageText"></span
+    ></ng-template>
+  </ng-template>
+</p>