Node.js Design Patterns - Second Edition

出版者:Packt Publishing

作者:Mario Casciaro

页数:304

出版时间:2016-7-6

价格:USD 49.99

装帧:Paperback

isbn号码:9781785885587

具体描述

Node.js is a massively popular software platform that lets you use JavaScript to easily create scalable server-side applications. It allows you to create efficient code, enabling a more sustainable way of writing software made of only one language across the full stack, along with extreme levels of reusability, pragmatism, simplicity, and collaboration. Node.js is revolutionizing the web and the way people and companies create their software.

In this book, we will take you on a journey across various ideas and components, and the challenges you would commonly encounter while designing and developing software using the Node.js platform. You will also discover the "Node.js way" of dealing with design and coding decisions.

The book kicks off by exploring the basics of Node.js describing it's asynchronous single-threaded architecture and the main design patterns. It then shows you how to master the asynchronous control flow patterns, the stream library and it culminates into a detailed list of Node.js implementations of the most common design patterns as well as some specific design patterns that are exclusive to the Node.js world. Lastly, it dives into more advanced concepts like modules, Universal Javascript and scalability and it's meant to conclude the journey by giving the reader all the necessary concepts to be able to build an enterprise grade application using Node.js.

作者简介

Mario Casciaro is a software engineer and technical lead with a passion for open source. He began programming with a Commodore 64 when he was 12, and grew up with Pascal and Visual Basic. His programming skills evolved by experimenting with x86 assembly language, C, C++, PHP, and Java. His relentless work on side projects led him to discover JavaScript and Node.js, which quickly became his new passion.

In his professional career, he worked with IBM for several years in Rome and then in the Dublin Software Lab. At IBM, Mario worked on products for brands such as Tivoli, Cognos, and Collaboration Solutions using a variety of technologies from C to PHP and Java. He then plunged into the adventurous world of start-ups to work full time on Node.js projects. He ended up working in a lighthouse, at D4H Technologies, where he led the development of a real-time platform to manage emergency operations.

Luciano Mammino is a software engineer born in 1987, the same year that the Nintendo released Super Mario Bros in Europe, which by chance is his favorite video-game! He started coding at the age of 12 using his father's old Intel 386, provided only with the DOS operative system and the qBasic interpreter.

He has a Master's degree in Computer Science and he developed his engineering skills mostly as web developer thanks to several years spent as freelancer working with companies all around Italy. After a start-up parenthesis of 3 years as CTO and co-founder of Sbaam.com in Italy, he decided to relocate in Dublin, Ireland, to work as Senior PHP Engineer at Smartbox.

He loves developing open source libraries and working with frameworks such as Symfony2 and Doctrine. He is convinced that the JavaScript fame is still at the very beginning and that this technology will have a huge impact in the future of all web and mobile-related technologies, which is why he spends most of his free time improving his knowledge of JavaScript and playing with Node.js developed his engineering skills mostly as Web Developer thanks to several years spent as freelancer working with companies all around Italy. After a startup parenthesis of 3 years as CTO and co-founder of Sbaam.com in Italy and in Ireland he decided to relocate in Dublin to work as Senior Php Engineer at Smartbox. He loves developing open source libraries and working with frameworks such as Symfony2 and Doctrine. He is convinced that the Javascript fame is still at the very beginning and that this technology will have a huge impact in the future of all the web and mobile related technologies, that is why he is spending most of his free time improving his knowledge of Javascript and playing with Node.js.

读后感

[https://github.com/xingbofeng/Node.js-Design-Patterns-Second-Edition] ==========================================================================================================================================================

[https://github.com/xingbofeng/Node.js-Design-Patterns-Second-Edition] ==========================================================================================================================================================

[https://github.com/xingbofeng/Node.js-Design-Patterns-Second-Edition] ==========================================================================================================================================================

[https://github.com/xingbofeng/Node.js-Design-Patterns-Second-Edition] ==========================================================================================================================================================

[https://github.com/xingbofeng/Node.js-Design-Patterns-Second-Edition] ==========================================================================================================================================================

用户评价

这本书的叙事节奏把握得非常精准，不像有些技术书那样，上来就抛出大量晦涩的术语，让人望而却步。它采取了一种循序渐进的引导方式，从比较宏观的系统架构层面开始铺陈，然后逐步深入到模块化、错误处理、乃至性能调优的微观细节。对于一个已经工作了几年，但总觉得自己的代码结构停留在“能跑就行”阶段的开发者来说，这本书就像是一剂强效的“结构重建”良药。我特别喜欢它在讲解每一个设计模式时，都会先用一个非常贴近实际业务场景的小例子作为引入，让你立刻明白“为什么我们需要这个模式”，而不是直接给出复杂的类图。这种“问题驱动”的学习路径，极大地增强了知识点的粘合度，让原本抽象的设计理念变得触手可及，也让我开始反思自己过去项目中那些“看似合理实则脆弱”的实现方式。

这本书的装帧设计实在是太棒了，封面那种深邃的蓝色调，配上简洁有力的字体，一看就知道是本硬核的技术书籍。刚拿到手的时候，那种沉甸甸的感觉就让人对接下来的阅读充满了期待。内页的纸张质量也无可挑剔，印刷清晰，字号大小适中，长时间阅读下来眼睛也不会感到疲劳。虽然内容本身可能非常深入，但清晰的版式布局，尤其是那些代码块的排版，简直是教科书级别的示范。那些复杂的架构图和流程图，绘制得逻辑严密，即便是初次接触这些设计模式概念的人，也能迅速把握住核心脉络。我特别欣赏作者在排版上对细节的关注，比如关键概念的加粗处理，使得我们在快速回顾时能够迅速定位重点。这种对阅读体验的极致追求，在我近些年阅读的技术书籍中绝对是名列前茅的。能感受到出版团队对这本书的用心程度，这不仅仅是一本技术手册，更像是一件值得收藏的工艺品。

说实话，我最初是抱着一种怀疑的态度来翻阅这本关于 Node.js 设计模式的深度探讨的。毕竟，市面上很多所谓的“进阶”书籍，往往只是将基础概念又重新组织了一遍，换个说法而已，读起来索然无味。然而，这本书彻底颠覆了我的认知。它没有停留在传统的面向对象设计模式的表面嫁接，而是深入挖掘了 Node.js 异步I/O和事件驱动模型的特性，是如何催生出真正适应其运行环境的、具有“Node.js 风格”的架构模式。比如，它对于如何优雅地处理深度嵌套的回调地狱（虽然现在有了 async/await，但理解其底层原理依然重要），以及如何利用流（Streams）构建高效数据管道的论述，简直是庖丁解牛，入木三分。我感觉作者并非仅仅是罗列了“工厂模式”或“观察者模式”在 Node.js 中的应用案例，而是真正地在思考：“在 Node.js 的生态下，哪些模式是必须的，哪些是反模式的？”这种批判性思维的引入，让整本书的价值得到了质的飞跃。

内容详实到令人发指，感觉作者是不是把过去十年所有踩过的 Node.js 生产环境的坑都写进去了。尤其是在探讨中间件模式和插件化架构的那几章，简直是为构建大型、可扩展的 Web 服务提供了蓝图。它不仅告诉你“怎么做”，更深层次地解释了“为什么这么做能带来长期的可维护性”。例如，书中对依赖注入（DI）在 Node.js 模块化环境下的变体进行了深入的探讨，这通常是很多教程会略过的高级主题。我发现自己过去对模块间耦合的认识太肤浅了，这本书展示了如何通过精妙的模式设计，实现松耦合，使得某个组件的升级或替换不会引发整个系统的雪崩效应。这种前瞻性的架构思维，是任何快速上手的教程都无法给予的宝贵财富，它教会了我如何写出能够“活下去”的代码。

阅读体验中，最令人称道的一点是作者对不同抽象层级的切换自如。有时候，你会感觉像是在听一位资深架构师在进行一对一的导师指导，语气沉稳，逻辑清晰，每一个技术决策的背后都有着深厚的理论依据和实践考量。而下个瞬间，作者又会迅速切换到代码实现层面，用精炼、符合惯例的 TypeScript/JavaScript 示例来佐证观点。这种理论与实践的完美融合，使得阅读过程充满了启发性。我不再是单纯地记忆“模式A对应场景B”，而是真正理解了模式背后的设计哲学，比如如何平衡性能与可读性，如何在高并发环境下确保状态的正确性。这本书成功地将“设计模式”这个听起来高高在上的概念，解构成了可以被我们日常编码实践所吸收和转化的具体工具箱，极大地提升了我对 Node.js 应用复杂性的驾驭能力。

如此优秀的一本书竟然无人评论。此书应该是新年以后读的最爽的一本书了。今年开始有机会写许多producation级别的node代码，此书不仅回答了我对node的诸多疑惑，更讲解了诸多常见node模式和应用，很好的解决了我当前面对的问题。个人认为比朴神的那本更实用，更接地气。

如此优秀的一本书竟然无人评论。此书应该是新年以后读的最爽的一本书了。今年开始有机会写许多producation级别的node代码，此书不仅回答了我对node的诸多疑惑，更讲解了诸多常见node模式和应用，很好的解决了我当前面对的问题。个人认为比朴神的那本更实用，更接地气。

很有意思的一本书

很有意思的一本书

如此优秀的一本书竟然无人评论。此书应该是新年以后读的最爽的一本书了。今年开始有机会写许多producation级别的node代码，此书不仅回答了我对node的诸多疑惑，更讲解了诸多常见node模式和应用，很好的解决了我当前面对的问题。个人认为比朴神的那本更实用，更接地气。