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In the previous chapter, we created an Angular application and built our first signal-powered service to manage the product catalog. That was just the beginning. In this chapter, we introduce the shopping cart, define a model for cart items, and implement a dedicated service to manage it. We’ll also begin deriving useful reactive state using computed(), things like item count and total cost.

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Modeling Product and Cart State with Signals

  • 章节

  • 发表日期：

    2025年

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  • Sonu Kapoor

摘要

In the previous chapter, we created an Angular application and built our first signal-powered service to manage the product catalog. That was just the beginning. In this chapter, we introduce the shopping cart, define a model for cart items, and implement a dedicated service to manage it. We’ll also begin deriving useful reactive state using computed(), things like item count and total cost.