fix: 空值异常

src/app/view/article/article.component.ts

@@ -73,9 +73,8 @@ export class ArticleComponent implements OnInit {
             after: () => {
                 //  处理锚点
                 const tocList: HTMLCollection = this.divElement.nativeElement
-                    .getElementsByClassName('vditor-toc')[0]
+                    .getElementsByClassName('vditor-toc')[0]?.getElementsByTagName(`a`);
-                    .getElementsByTagName(`a`);
+                for (let i = 0; i < tocList?.length; i++) {
-                for (let i = 0; i < tocList.length; i++) {
                     const linkValue = tocList.item(i).getAttribute('href');
                     tocList.item(i).setAttribute('href', window.location.pathname + linkValue);
                 }

src/app/view/write/write.component.html

@@ -4,10 +4,6 @@
         <button nz-button nzType="primary" id="submit" (click)="articleSubmit()">提交</button>
     </div>
     <div id="vditor"></div>
-
-    <!--    <div id="md" appEditorMd [editormdConfig]="conf" (editorChange)="syncModel($event)">-->
-    <!--        <textarea style="display: block;" [(ngModel)]="article.mdContent"></textarea>-->
-    <!--    </div>-->
 </div>
 
 <nz-modal [(nzVisible)]="modalVisible" [nzTitle]="title" [nzContent]="content" [nzFooter]="null"

src/app/view/write/write.module.ts

@@ -3,10 +3,11 @@ import {CommonModule} from '@angular/common';
 import {WriteComponent} from './write.component';
 import {Route, RouterModule} from '@angular/router';
 import {FormsModule, ReactiveFormsModule} from '@angular/forms';
-import {EditorMdDirective} from './editor-md/editor-md.directive';
 import {PublishFormComponent} from './components/publish-form/publish-form.component';
 import {
-    NzButtonModule, NzCardModule, NzDividerModule,
+    NzButtonModule,
+    NzCardModule,
+    NzDividerModule,
     NzFormModule,
     NzIconModule,
     NzInputModule,
@@ -23,7 +24,7 @@ const routes: Route[] = [
 
 
 @NgModule({
-    declarations: [WriteComponent, EditorMdDirective, PublishFormComponent],
+    declarations: [WriteComponent, PublishFormComponent],
     imports: [
         CommonModule,
         RouterModule.forChild(routes),