allow type aliases

tabby-core/src/components/splitTab.component.ts

@@ -592,7 +592,7 @@ export class SplitTabComponent extends BaseTabComponent implements AfterViewInit
 
         if (zone.type === 'relative') {
             this.add(tab, zone.relativeTo ?? null, zone.side)
-        } else if (zone.container) {
+        } else {
             this.add(tab, zone.container.children[zone.position], zone.container.orientation === 'h' ? 'r' : 'b')
         }
         this.tabAdopted.next(tab)

tabby-core/src/components/splitTabDropZone.component.ts

@@ -34,7 +34,7 @@ export class SplitTabDropZoneComponent extends SelfPositioningComponent {
     ) {
         super(element)
         this.subscribeUntilDestroyed(app.tabDragActive$, tab => {
-            this.isActive = !!tab && tab !== this.parent && (this.dropZone.type === 'relative' || tab !== this.dropZone.container?.children[this.dropZone.position])
+            this.isActive = !!tab && tab !== this.parent && (this.dropZone.type === 'relative' || tab !== this.dropZone.container.children[this.dropZone.position])
             this.layout()
         })
     }

tabby-core/src/services/tabs.service.ts

@@ -2,7 +2,6 @@ import { Injectable, ComponentFactoryResolver, Injector } from '@angular/core'
 import { BaseTabComponent } from '../components/baseTab.component'
 import { TabRecoveryService } from './tabRecovery.service'
 
-// eslint-disable-next-line @typescript-eslint/no-type-alias
 export interface TabComponentType<T extends BaseTabComponent> {
     // eslint-disable-next-line @typescript-eslint/prefer-function-type
     new (...args: any[]): T