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Domain Driven Design (DDD)

Code for human not machines

Code is clean if anyone in team can understand, easy to read and enhance by other developer instead of origin author.

Code clean is readability, flexibility, extensibility, maintainability.

Bullet points:

Feature: Behavior Driven Development (BDD).

In order to:
- Avoid rework due to misunderstand and slow feedback among project manager, project owner, developer, QA/tester, sales, any guys join IT projects and customer.
- And make project information is transperant as human readable.
- And keep software functions work as design after refactor/restructure code.
As people (tech/non-tech) want to get knowledge of BDD.
Scenario: BDD Overview

TDD is software development technique to allow writing test before code then the tests will drive the implementation.

Apply red-green refator cycle. Imagine the developer wear 3 colors hat: red, green and blue. In which:

	// eslint-disable-next-line max-classes-per-file
	interface EventExecutor<T, R> {
	execute(input: T): R;
	}

	interface EventInterceptor<T, R> {
	beforeFn(): EventExecutor<T, T>[];

	executeFn(): EventExecutor<T, R>;

	git ls-files \| grep \.sh \| tr '\n' ' '
	git update-index --chmod=+x $(git ls-files \| grep \.sh \| tr '\n' ' ')