{"id":420,"date":"2019-12-11T16:00:00","date_gmt":"2019-12-11T15:00:00","guid":{"rendered":"https:\/\/www.codemotion.com\/magazine\/interview-fabio-biondi-refactoring-an-angular-application-through-a-live-coding-session\/"},"modified":"2023-05-30T15:59:55","modified_gmt":"2023-05-30T13:59:55","slug":"interview-fabio-biondi-refactoring-an-angular-application-through-a-live-coding-session","status":"publish","type":"post","link":"https:\/\/www.codemotion.com\/magazine\/community-management\/interview-fabio-biondi-refactoring-an-angular-application-through-a-live-coding-session\/","title":{"rendered":"Refactoring an Angular application through a live coding session"},"content":{"rendered":"\n<p><strong>Hello Fabio, you are the one who brought the Angular community to Rome! You are also the one who talked about refactoring an <span id=\"urn:enhancement-d5771367\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/application_software\">application<\/span> during one of the #AperiTech meetups. Could you tell us more about this?<\/strong><\/p>\n\n\n\n<p>Exactly: on that occasion, lasting a couple of hours, I took a written <span id=\"urn:enhancement-ea0f81c\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/application_software\">application<\/span> in an almost procedural way, then a single giant file where we had a small CRUD <span id=\"urn:enhancement-16731e53\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/application_software\">application<\/span>, with the classic operations (insertion, writing, deletion), and I performed a refactoring by subdividing the <span id=\"urn:enhancement-27e6af5b\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/component-based_software_engineering\">component<\/span> code, applying a module approach, exploiting the depending injection in an optimal way. I showed the meetup attendees how to switch from a &#8220;scrambled&#8221; code with the so-called <span id=\"urn:enhancement-322387dc\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/spaghetti_code\">spaghetti code<\/span> to something more structured and <span id=\"urn:enhancement-f63fbc61\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/scalability\">scalable<\/span>, which is one of the advantages of using Angular, i.e. providing all the means to be able to write codes of extremely high quality.<\/p>\n\n\n\n<p>It&#8217;s not easier to write it because it requires more time, more attention. Writing everything in a single file rather than splitting it into different units takes more time but is more sustainable, <span id=\"urn:enhancement-681d0182\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/scalability\">scalable<\/span> and readable, even by colleagues. The important thing is to understand the following fact: writing good code doesn&#8217;t mean being more productive in the short term, because it clearly requires more attention, but in the medium\/long term it offers great advantages.<\/p>\n\n\n\n<p><strong>We totally agree with you! What&#8217;s your story?<\/strong><\/p>\n\n\n\n<p>A few years ago, I founded some communities which existed before only online &#8211; on Facebook (Italian Angular Developers, Italian <a href=\"https:\/\/www.codemotion.com\/magazine\/dev-hub\/web-developer\/react-project-cra-nextjs-gatsby\/\" target=\"_blank\" rel=\"noopener\">React<\/a> Developers, JavaScript again for Italians and the newly created Opportunities for Italian Developers, which collects job offers, proposals, initiatives). I&#8217;m a former <span style=\"user-select: auto;\" id=\"urn:enhancement-8badef04\" class=\"textannotation disambiguated wl-organisation\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/adobe_systems\">Adobe<\/span> <span style=\"user-select: auto;\" id=\"urn:enhancement-f71bbab0\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/software_developer\">developer<\/span>, where I dealt with <span style=\"user-select: auto;\" id=\"urn:enhancement-cebd9002\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/adobe_flash\">Flash<\/span>, Flex, Air and so on. I was unemployed from 2011 and I had to switch to working on <span style=\"user-select: auto;\" id=\"urn:enhancement-332bc9c9\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/javascript\">JavaScript<\/span>. I basically started from scratch, studying the basics: <span style=\"user-select: auto;\" id=\"urn:enhancement-65520279\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/html\">HTML<\/span>, <span style=\"user-select: auto;\" id=\"urn:enhancement-396e2dc0\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/cascading_style_sheets\">CSS<\/span>, <span style=\"user-select: auto;\" id=\"urn:enhancement-2089c79c\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/javascript\">JavaScript<\/span>. In 2012, among the various frameworks, I could choose between <span style=\"user-select: auto;\" id=\"urn:enhancement-44c25889\" class=\"textannotation disambiguated wl-organisation\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/ember_company\">Ember<\/span>, <span style=\"user-select: auto;\" id=\"urn:enhancement-2cfc4109\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/backbone-js\">Backbone<\/span> and <span style=\"user-select: auto;\" id=\"urn:enhancement-4d7756fa\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/angularjs\">AngularJS<\/span>. Among these frameworks, I chose <span style=\"user-select: auto;\" id=\"urn:enhancement-20b20121\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/angularjs\">AngularJS<\/span> because it was the one that more or less had similarities with Flex, such as binding, <span style=\"user-select: auto;\" id=\"urn:enhancement-b25fc59c\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/component-based_software_engineering\">component<\/span> management and other things. I was happy with my choice, because the others petered out, while <span style=\"user-select: auto;\" id=\"urn:enhancement-f9b79672\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/angularjs\">AngularJS<\/span> was quite successful. At the same time, I was always keeping an eye on UX, despite not being a <span style=\"user-select: auto;\" id=\"urn:enhancement-1ab84ae5\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/designer\">designer<\/span>, and having worked many years on <span style=\"user-select: auto;\" id=\"urn:enhancement-e09d6932\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/adobe_flash\">Flash<\/span>, I always ran up against issues related to animation. So I started studying Canvass and another very famous library, D3JS, which lets you create <span style=\"user-select: auto;\" id=\"urn:enhancement-4f52a226\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/chart\">charts<\/span> and infographics. In 2014\/2015 I moved from <span style=\"user-select: auto;\" id=\"urn:enhancement-719053d6\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/angularjs\">AngularJS<\/span> to React, working as a <span style=\"user-select: auto;\" id=\"urn:enhancement-5af1ef4c\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/software_developer\">developer<\/span> for two years. Today, I still use it, although not that often. Two years ago, the new one from <span style=\"user-select: auto;\" id=\"urn:enhancement-ae9cc304\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/google\">Google<\/span> came out, Angular version 7, and what I currently do is training, mentoring and consulting mainly on Angular and <span style=\"user-select: auto;\" id=\"urn:enhancement-9d94d8c2\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/react\">React<\/span>.<\/p>\n\n\n\n<p><strong>You found yourself choosing between <span id=\"urn:enhancement-2574da0\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/programming_languages\">programming languages<\/span> and you chose Angular. What are the future prospects for this technology?<\/strong><\/p>\n\n\n\n<p>What I notice, through contact with very many companies, is that many are trying to migrate the entire <span id=\"urn:enhancement-2c372edc\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/front_and_back_ends\">front-end<\/span>, especially in the <span id=\"urn:enhancement-fcfa497a\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/scope_computer_science\">scope<\/span> of enterprises like banks with the software of a certain nature, with a medium-long life cycle. In many of these cases, we&#8217;re trying to replace the <span id=\"urn:enhancement-1c4b3d35\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/front_and_back_ends\">front-end<\/span> previously developed in <span id=\"urn:local-annotation-459650\" class=\"textannotation disambiguated\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/java\">Java<\/span> (usually in <span id=\"urn:enhancement-3fcfacd\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/javaserver_faces\">JSF<\/span> or <span id=\"urn:local-annotation-825177\" class=\"textannotation disambiguated\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/net_framework\">DotNet<\/span>) with Angular.<\/p>\n\n\n\n<p>Migrations are delicate stages and the process happens slowly. It must be said that Angular 7 has only been released in beta for a few days, and it&#8217;ll be in the next few months that it&#8217;ll gain prominence, greatly changing the perspective of Angular itself, because currently, the bundle size (the total size of the <span id=\"urn:enhancement-e4d18d9e\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/application_software\">application<\/span>) is a <span id=\"urn:enhancement-ca33bb98\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/bit\">bit<\/span> big compared to a <span id=\"urn:enhancement-2d77f114\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/react\">React<\/span> or a View. For example, we come to a &#8220;hello world&#8221; of 300k, against the 60\/20k of other frameworks which are therefore significantly lower. However, it seems that in Angular7 you&#8217;ll be able to have a bundle size of about 3\/4k in &#8220;hello world&#8221; and this could change the perspective, attracting a new target, for example, that of websites or micro <span id=\"urn:enhancement-51ca2b87\" class=\"textannotation disambiguated wl-other\" itemid=\"http:\/\/data.wordlift.io\/wl01770\/entity\/application_software\">applications<\/span>.<\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>During an AperiTech meetup in Rome, Fabio Biondi showed how to refactor a simple Angular application&#8230; with a great live coding session!<\/p>\n","protected":false},"author":75,"featured_media":421,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_uag_custom_page_level_css":"","_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[5162],"tags":[4,9888,50],"collections":[],"class_list":{"0":"post-420","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-community-management","8":"tag-codemotion-rome","9":"tag-community","10":"tag-interview","11":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v26.9) - 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