Jamal  Lemke

Jamal Lemke

1620719450

A Practical Introduction to Svelte

Svelte is a radical new approach to building user interfaces, or so they say.

Hey, and welcome to this tutorial! If you’re here, you’ve probably heard of Svelte before and wanna know what all the fuzz is about. Luckily I’m here to walk you through the basic concepts of Svelte, by building a real-world project that I think you’ll really like! So without further ado, let’s get started with a primer on what Svelte even is:

What is Svelte?

Svelte is a “radical new approach to building user interfaces”, according to the official documentation. In practice, Svelte is quite similar to JavaScript frameworks like React, Vue and Angular - it’s a way to create websites and web applications using primarily JavaScript. Like these frameworks, Svelte is also based around the idea of components: small “chunks” of code that encapsulates template and logic, to create reusable “building blocks”.

A classic example of a component could be a navigation menu, which is usually present on every page on the website. Having it as a component makes sense, to encapsulate all the related code in one place for easy modification in the future. To accomplish this, Svelte borrows the idea of SFC’s (Single File Components) from Vue. The idea is to write all your logic in a <component-name>.svelte file, which combines all the necessary HTML, CSS and JS for that component.

While all the major frameworks use components as their key abstraction, Svelte differs from them in a few key areas: 1. Svelte is actually a compiler rather than a framework. Meaning that while you develop you code in a similar fashion to other frameworks, Svelte will compile it into vanilla JavaScript for the browser to use. 2. Svelte tries to stay close to the native platform of the web. It does this by leveraging “standard” HTML, CSS and JS as much as possible.

These two points are what makes Svelte exciting to me. It’s a breath of fresh air, and because Svelte is a compiler, it can include a lot more features “out-of-the-box” since it doesn’t have to worry about shipping everything to the browser. That’s why Svelte comes with built-in animations, a global store and many other great features.

Let’s explore Svelte by building a real-world project: A Cryptocurrency tracker!

#svelte #javascript #angular #react #vue

What is GEEK

Buddha Community

A Practical Introduction to Svelte
Cayla  Erdman

Cayla Erdman

1594369800

Introduction to Structured Query Language SQL pdf

SQL stands for Structured Query Language. SQL is a scripting language expected to store, control, and inquiry information put away in social databases. The main manifestation of SQL showed up in 1974, when a gathering in IBM built up the principal model of a social database. The primary business social database was discharged by Relational Software later turning out to be Oracle.

Models for SQL exist. In any case, the SQL that can be utilized on every last one of the major RDBMS today is in various flavors. This is because of two reasons:

1. The SQL order standard is genuinely intricate, and it isn’t handy to actualize the whole standard.

2. Every database seller needs an approach to separate its item from others.

Right now, contrasts are noted where fitting.

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Poppy Cooke

Poppy Cooke

1600073509

Svelte Tutorial - Create a Svelte Project

In this Svelte tutorial we’ll be taking a look at creating a Svelte project using the Svelte template. We’ll go over the file structure, install a VS Code extension and look at starting the built-in development server.

For your reference, check this out:
https://svelte.dev/tutorial/basics

#svelte #web-development #svelte

Jamal  Lemke

Jamal Lemke

1620719450

A Practical Introduction to Svelte

Svelte is a radical new approach to building user interfaces, or so they say.

Hey, and welcome to this tutorial! If you’re here, you’ve probably heard of Svelte before and wanna know what all the fuzz is about. Luckily I’m here to walk you through the basic concepts of Svelte, by building a real-world project that I think you’ll really like! So without further ado, let’s get started with a primer on what Svelte even is:

What is Svelte?

Svelte is a “radical new approach to building user interfaces”, according to the official documentation. In practice, Svelte is quite similar to JavaScript frameworks like React, Vue and Angular - it’s a way to create websites and web applications using primarily JavaScript. Like these frameworks, Svelte is also based around the idea of components: small “chunks” of code that encapsulates template and logic, to create reusable “building blocks”.

A classic example of a component could be a navigation menu, which is usually present on every page on the website. Having it as a component makes sense, to encapsulate all the related code in one place for easy modification in the future. To accomplish this, Svelte borrows the idea of SFC’s (Single File Components) from Vue. The idea is to write all your logic in a <component-name>.svelte file, which combines all the necessary HTML, CSS and JS for that component.

While all the major frameworks use components as their key abstraction, Svelte differs from them in a few key areas: 1. Svelte is actually a compiler rather than a framework. Meaning that while you develop you code in a similar fashion to other frameworks, Svelte will compile it into vanilla JavaScript for the browser to use. 2. Svelte tries to stay close to the native platform of the web. It does this by leveraging “standard” HTML, CSS and JS as much as possible.

These two points are what makes Svelte exciting to me. It’s a breath of fresh air, and because Svelte is a compiler, it can include a lot more features “out-of-the-box” since it doesn’t have to worry about shipping everything to the browser. That’s why Svelte comes with built-in animations, a global store and many other great features.

Let’s explore Svelte by building a real-world project: A Cryptocurrency tracker!

#svelte #javascript #angular #react #vue

5 Reasons Why Svelte is Improving UI Development (Svelte.JS)

5 Reasons Why Svelte is Improving UI Development (Svelte.JS)

Svelte can be used anywhere and for anything you’d use Angular, React or Vue for. It’s a JavaScript tool used for building fast web applications, with a big focus on super slick and interactive user interfaces that are not only incredibly easy to build within the Svelte framework, but are also highly code efficient – never a bad thing.

There’s no performance cost associated with the framework’s abstractions, nor is there that initial dip in performance when an app first opens that’s usually attributed to the DOM diffing version update checking process.

Better yet, there is the flexibility to either build the entire app in Svelte, or to add in segments incrementally to an already existing base of code. Components made in Svelte can operate as stand-alone packages that don’t require the overhead of a conventional framework dependency, and can be used anywhere really.

SUBSCRIBE to Kofi Group: https://www.youtube.com/channel/UC1mBXiJnLtiDHMtpga0Ugaw?view_as=subscriber


00:00 - Intro
02:49 - What is Svelte
04:22 - What is Svelte used for
06:01 - Svelte pros
09:08 - Svelte cons
11:00 - Who’s using Svelte
*

Website: https://www.kofi-group.com/

Blog article version: https://www.kofi-group.com/5-reasons-why-svelte-is-improving-ui-development/

Remote jobs: https://www.kofi-group.com/search-jobs/

Kofi Group helps startups outcompete FAANG (Facebook, Amazon, Apple, Netflix, Google) and big tech in the highly competitive, war for talent.

Our videos cover hiring tips and strategies for startups, software engineering and machine learning interview preparation, salary negotiation best practices, compensation analysis, computer science basics, artificial intelligence, tips for other recruiters, and much more!

Hit the SUBSCRIBE button and we’ll see you in the comments!


Music - Throwaway 2 by XIAO-NIAO
https://www.youtube.com/watch?v=DqeGWcZ0dMg
https://soundcloud.com/bird-xiao/throwaway-2


#svelte #javasript #softwareengineering #startup #faang #kofigroup

#svelte #javasript #svelte.js

Getting Started Building a Svelte App with SvelteKit

Svelte is a lightweight framework for building web applications. When you use it, it looks and feels a lot like other frontend frameworks like React and Vue, but leaves the virtual DOM behind. That, along with other optimisations means it does far less work in the browser, optimising user experience and load time.

In this guide, we'll be going over how to setup your first Svelte application using SvelteKit. Svelte has a number of different ways to make applications, and SvelteKit is one of the official packages from Svelte for doing that. If you're interested in other frameworks, you might enjoy a similar guide we have on making your first Vue application.

#Creating your first Svelte Application

To get started, open up a new terminal window and initiate your svelte application using the command below. Note if you don't have npm installed, you'll need to get it. You can install npm by installing Node.JS, via the link here.

Once you have Node.JS and NPM installed, run the command below. Before you do that though, make sure you use cd to move into the folder you want to create your new Svelte application in.

npm init svelte@next my-svelte-app

When you run this command, you'll auto generate a Svelte template in a folder called my-svelte-app. Svelte will guide you through a number of options. Select your preferences. The image below shows the one's I have selected. For the purposes of this guide, I will be using the Skeleton project.

Options for Selecting in SvelteKit

Finally, run the following command to cd into your svelte directory:

cd my-svelte-app

And then install all of your dependencies using the following line:

npm i

#Svelte File Structure

If you are familiar with other frameworks, then Svelte will feel familiar. Here is an overview of the file structure in Svelte, for the project we have just made:

static                 <-- where we store all of our public assets like favicons, images, and fonts
|- favicon.png         <-- our favicon
tests                  <-- a folder to store our tests
|- test.js             <-- an example test using @playwright
src                    <-- our main Svelte app files
|- routes              <-- a folder to store all of our routes in
|-- index.svelte       <-- our index route file. This will be the file displayed at the route of the site
|- app.d.ts            <-- our core Svelte app file
|- app.html            <-- our main index file where the app will appear
.gitignore             <-- files we wish to ignore for git
.npmrc                 <-- config file for npm
.prettierrc            <-- config file for prettier
.eslintrc.cjs          <-- config file for eslint
package.json           <-- our NPM installed packages
playwright.config.js   <-- config file for playwright
svelte.config.js       <-- config file for svelte itself
tsconfig.json          <-- config file for typescript

Our basic Svelte application is ready to go. If you want to see how it looks, you can serve it on your local computer on the URL http://localhost:3000 by running the following command in your Svelte application folder:

npm run dev

If you visit http://localhost:3000 in your browser, you should see something like this:

Our first Svelte Application

#Creating new pages or routes in Svelte

To make a new route in Sveltekit, simply make a new file within the routes folder. For example, if you make a file called about.svelte, then it will show up at http://localhost:3000/about. Another way you can do this is to make a new folder called about, and put index.svelte in that folder, http://localhost:3000/about will work.

#Try it yourself

Create a new page within your /src/routes folder, called about.svelte. Now when you go to http://localhost:3000/, you will be able to access that page. Similarly, you can try making a folder called about with a file placed inside called index.svelte

#How to run your SvelteKit App on Node.JS

To run your Svelte application on a server or locally on a Node.JS server, you need to use an adapter. If you want to run your Svelte application on a Node Server, install @sveltejs/adapter-node@next via the following line:

npm i @sveltejs/adapter-node@next 

Now we have to change our svelte.config.js file. We need to use the new adapter, and change our kit.adapter object within the config file. You can replace the contents of your svelte.config.js with the code below, but we're only changing two lines - our adapter import, and then adding the build directory in your config:

// We have changed the adapter line to use adapter-node@next
import adapter from '@sveltejs/adapter-node@next';
import preprocess from 'svelte-preprocess';

/** @type {import('@sveltejs/kit').Config} */
const config = {
	// Consult https://github.com/sveltejs/svelte-preprocess
	// for more information about preprocessors
	preprocess: preprocess(),

	kit: {
		// We have changed this to point to a build directory
		adapter: adapter({ out: 'build' })
	}
};

export default config;

#Other SvelteKit adapters

If you want to run your Svelte application on Cloudflare, Netlify, or Vercel, then you need to use one of these adapters, you don't need to do anything. These are all included by default in adapter-auto - so only change your svelte.config.js file if you aren't planning on using a Node.JS server.

#How to build your SvelteKit App for Production

Now that we've configured our adapter, let's build our application. In SvelteKit, it's easy to make your app ready to run in a production environment. Simply run the following command, which will create a new folder called .svelte-kit with all your production ready files in.

npm run build

Now, if you want to preview your production build, simply run the following command:

npm run preview

If you are running your application on a Node.JS server and have updated your adapter, as shown in the previous section, then you can run your new Svelte application locally by running the following command in your Svelte directory:

node build/index.js

Now when you navigate to http://localhost:3000/, your Svelte application should show, only this time it will be ready for production.

#Conclusion

In this guide we've looked at how to use SvelteKit to create your first Svelte application with routes. Let's look at what we've learned:

How to set up SvelteKit and create the basic structure of your Svelte application.

How to use routes in SvelteKit, so you can have multiple pages on your application.

How to update your config file to use the right adapter, based on where you want to deploy your application.

How to build and run your application locally on a Node.JS server.

Next, you can try playing around with Svelte to start customizing your application.

Source: https://hackernoon.com/getting-started-building-a-svelte-app-with-sveltekit

#svelte #sveltekit