Angular Signals for AI Chat State Management (2026)

#springboot #angular #ai #tutorial

Canonical URL: Republished from munonye.com. Full code on GitHub.

Angular signals tutorial 2026 for AI chat apps — extend M7-B chat UI with computed and effect. From the Angular tutorials hub.

messages = signal<ChatMessage[]>([]);
lastMessage = computed(() => {
  const m = this.messages();
  return m.length ? m[m.length - 1] : null;
});
isWaiting = computed(() => this.loading());

constructor() {
  effect(() => {
    this.messages(); // trigger scroll when messages change
    queueMicrotask(() => this.scrollToBottom());
  });
}