Create a generative AI application with Angular and Gemini REST API

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Reading Time: 7 minutes Introduction In this blog post, I show how to create a generative AI application that uses Angular and Gemini REST API. Therefore, it is feasible to build basic generative AI without a backend. The application demonstrates 2 use cases Generate Gemini API Key Go to https://aistudio.google.com/app/apikey to generate an API key for a new or … Read more

New output function – let’s talk without a decorator in Angular

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Reading Time: 6 minutes Introduction In this blog post, I would like to show a new feature in Angular 17.3.0-rc.0 that calls the output function. With the new output function, a child component can emit data to the parent without a decorator. Moreover, the return type of the new output function is OutputEmitterRef that can convert to an Observable … Read more

Model Inputs – Signal API that is missing in 2-way binding

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Reading Time: 5 minutes Introduction In this blog post, I would like to show a new feature in Angular 17.2 that calls model inputs. Model input is a Signal API for 2-way binding between parent and child components. 2-way binding is always available and the official Angular documentation provides the following sizer example: With model inputs, I can bind … Read more

Signal queries in Angular – what can I do with them?

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Reading Time: 5 minutes Introduction In this blog post, I would like to show a new feature in Angular 17.2 that is called signal queries. This new feature allows Angular engineers to use viewChild, viewChildren, contentChild, and contentChildren to obtain the value as a signal. In my demos, I would like to apply these signal queries on a template-driven … Read more

Analyze ways to retrieve data with signals and HttpClient in Angular

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Reading Time: 5 minutes Introduction In this blog post, I would like to discuss how signal and HttpClient can retrieve data in Angular. In my observation, I found 5 data retrieval patterns and each one has its pros and cons. When the post analyzes data retrieval in Angular, I hope the readers can choose their preferred choice and apply … Read more

Examples of new signal inputs in Angular

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Reading Time: 7 minutes Introduction In this blog post, I would like to show a new feature of Angular 17.1.0 that is called Signal input. New signal input is important in Angular because it can do things that previous version cannot. For example, signal input facilitates construction of computed signals. Signal input also allows API to use it as … Read more

A Deep Dive into Angular and Ngneat Query with Our Demo Store

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Reading Time: 8 minutes Introduction In this blog post, I would like to deep dive into Angular and Tanstack query by calling a Store API to build a store demo. Tanstack query for Angular is a library for fetching, caching, sychronizing, and updating server data. ngneat/query is an Angular Tanstack query adaptor that supports Signals and Observable, fetching, caching, … Read more

Update page title with Title Strategy in Angular

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Reading Time: 4 minutes Introduction In this blog post, I described how to update page title using custom title strategy class. Since Angular 14, a route has an optional title property that sets document title after navigation. In some use cases, a generic document title is suffice. In other use cases, pages display dynamic contents and the document title … Read more

Angular on Steroids: Elevating Performance with WebAssembly

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Reading Time: 7 minutes Introduction In this blog post, I demonstrated how to use WebAssembly within an Angular application easily. In some cases, an Angular application wants to perform a task that is not fast in JavaScript. Developers can rewrite the algorithm in other languages such as AssemblyScript and Rust to write efficient codes. Then, the developers can compile … Read more