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Exploring Blogging With Scully - the Angular Static Site Generator

Exploring Blogging With Scully - the Angular Static Site Generator

Did you know that there's a new static site generator for Angular apps? Yep, it's called Scully. In this post, we'll look at how it can be used to render a blazing-fast, ultra-compact markdown blog.

HeroDevs team recently released a static site generator for Angular projects - Scully.

Aside from rendering regular apps, they announced that it can be used to build a static blog with markdown. This is what got me curious, so I decided to dive in and explore how this works.

So, If you’re an Angular developer who wants to make the most secure and fastest possible version of their markdown blog, hop on the ride and enjoy this quick tour.

What is Scully?

Scully is a JAM stack solution for Angular developers. It’s a static site generator that takes your new or existing Angular app and pre-renders it to HTML and CSS.

If you take for example the smallest possible Angular website, it’ll be around 300K. Now, if you take this app and pre-render it with Scully, you’ll be able to cut the size down to 2.5K.

This is a huge deal for someone using a low-end device on a flaky mobile connection.

Why should I use it?

There are a number of benefits when using Scully, especially for Angular devs. Here are some of them:

  • It works with the Angular ecosystem.
  • You don’t have to write your app in any specific way, it doesn’t require any structural changes.
  • Much faster load times, hence increased conversions for your app.
  • Your app can work on a much larger number of devices where JavaScript is disabled or not supported.
  • Faster TTI (Time to interactive). Due to the lack of a large number of scripts your app can respond to user interactions much quicker.

How does it work?

It takes your Angular app and renders it in a series of HTML pages. Then, once the user downloads the initial page it’ll then download the rest of the Angular app and bootstrap it on top, so you still get all the benefits of a Single Page App.

The cool thing about it that with the machine learning algorithm it can find all the routes in your app and render the entire app to a series of static HTML files, which then can be simply uploaded to the CDN of your choice.

What should I have installed to follow along?

First, if you haven’t already done this, you need to install Angular CLI 9.x.x.

npm install -g @angular/cli@next

Scaffolding an Angular app

For starters, Scully requires a working Angular app using Angular 9.x.x. Great, let’s generate one!

ng new awesome-angular-blog

Next, select Yes for Angular routing and pick SCSS from the list of available styling options.

Generating an Angular app
Scaffolding an Angular app

After it’s finished generating a new project we can cd into it.

cd awesome-angular-blog

Ok, let’s try running the app to make sure that it works.

ng serve --open

You’ll see a default Angular app opened in the browser on http://localhost:4200/.

Default Angular app
The default app launched on localhost

So far so good, now let’s get rid of the boilerplate and add something very simple for starters.

Open src\app\app.component.html file and replace its contents with the following:

<h1>The Blog Header</h1>


<footer>Awesome Scully Blog</footer>

The development server is watching our files, so now our page should look like this.

Starting markup of the blog
Boilerplate removed, initial markup

Stop the development server by pressing Ctrl+C.

Installing Scully

A Quick Note: Keep in mind that this is an early alpha release, so there may be some 🐛. At the moment it only supports v9 of Angular (v8 support will be added later).

Here comes the interesting part. Now we’re ready to install Scully. The first thing that we need to do is to run this command:

ng add @scullyio/init

This will install all necessary dependencies, import HttpClientModule, add scully.config.js file which will be used for plugins management and add some code to existing files.

Generating the blog

Scully allows us to generate a blog using Angular generate schematic. But we have to keep in mind that we need to build a project before running Scully because it uses the results of our build - dist folder to see what routes we have. So, let’s build it now.

ng build

After that, you should see a dist folder created. Now let’s generate the blog:

ng g @scullyio/init:blog
Scully blog generation
Scully created a blog for us

After you ran that command, Scully created a blog module with routes for us so we don’t have to configure that manually. Also, to get you started it created a blog folder with the default markdown file. Every time Scully builds, it’ll render this markdown file to HTML.

A default markdown file for blogging
Scully created a markdown for us to start blogging

We can now add new blog posts with the following command:

ng g @scullyio/init:post --name="awesome-owls"

Cool, let’s open up our newly created post /blog/ and add some content there:

title: awesome-owls
description: blog description
publish: false

# awesome-owls

Owls can almost turn their heads all the way around, but it's not quite a 360 turn. 

They can turn their necks 135 degrees in either direction, which gives them 270 degrees total movement.

Because Angular still can’t read markdown, to see the contents of our post we need to build the project and run Scully again. Then they will be rendered and we’ll see our static content.

ng build && npm run scully

If we look at our dist folder, we’ll see a static directory there which was created by Scully.

Static folder - results of the build
Scully generated a static folder

We can now serve this folder with any server like Nginx or Apache and see the contents of our post. The easiest option for us to check it out is to use NodeJS http-server.

Change into the static directory and run the following command in your terminal:

http-server -p 5555

After that, open in your browser and you should see the content of our markdown post.

The first post is live
Our markdown post is now live

Setting up a home page

Alright, let’s add a list of available routes to our home page. For this, Scully has a special ScullyRoutesService.

Open the main src\app\app.component.ts file and import it at the top, then assign the ScullyRoutesService to scully.

import {IdleMonitorService, ScullyRoutesService} from '@scullyio/ng-lib';
import { Component } from '@angular/core';
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.scss']
export class AppComponent {
constructor (
private idle: IdleMonitorService,
public scully: ScullyRoutesService
) { }
title = 'awesome-angular-blog';

Next, in the view file src\app\app.component.html add an ngFor loop that goes through all the routes and displays them on the page using routerLink.

<li *ngFor="let route of scully.available$ | async">
<a [routerLink]="route.route">{{ route.title || route.route }}</a>

Ok, let’s rebuild everything again by running ng build && npm run scully and visit our root page

List of available pages
List of blog posts

Here we go. We have the basic functionality of the blog working.

From here you can add a bit of styling to make it more visually appealing, add more pages like About, Contact, create a list of categories, all the usual blog things.

The cool thing is that no matter what your blog will look like, it still can be rendered to static assets and served via any available CDN.

Keep in mind that this is an early alpha release, so there will be bugs, but with the team like HeroDevs I’m sure the product is in good hands.

Next Steps

If you got interested and want to know more, the docs have a lot of useful information like how to use the plugin system, how to get this to work with the existing Angular project, and so on.

Also, here are some useful resources on the topic:

Thanks for joining me, have a wonderful day!

About The Author


Written by Owlypixel, who likes to blend web development and design into creative art with the goal to make it simple and accessible for others. You mayfollow him on Twitter.

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