Grokking Node.js Design Patterns for Interviews

Implement a Chainable Logger Config Builder

Explore building a LoggerConfigBuilder class with chainable methods to configure log level, output format, and destinations step-by-step, allowing developers to construct valid logger configurations cleanly and efficiently.

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1.Introduction to Node.js Patterns

2.Factory Pattern: Generate Config-Driven Services Dynamically

3.Builder Pattern: Assemble Complex Objects with Fluent APIs

4.Decorator Pattern: Extend Behavior Without Modifying Core Logic

5.Adapter Pattern: Standardize Interface Across Dependencies

6.Proxy Pattern: Intercept and Control Access Transparently

7.Strategy Pattern: Swap Algorithms Based on Context

8.Wrapping Up

Implement a Chainable Logger Config Builder

Problem statement