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Build a Minimal Email Template Builder

Understand how to implement the Builder pattern by creating a minimal email template builder. Explore building emails step-by-step with chainable methods that assemble complex objects into transactional email messages like welcome emails, password resets, and alerts using a readable API.

Problem statement

Your team needs a flexible way to construct transactional emails, such as welcome messages, password resets, and usage alerts. Right now, it’s all handled with fragile object literals and scattered logic. You’re refactoring toward a more expressive API that reads ...