Building a pagination component in Svelte

Introduction - What is Svelte?

Svelte is a (not so) new framework for building User Interfaces. It borrows some ideas from its more popular peers, like React and Vue.js, but it brings its own ideas into the mix, in order to maximize efficiency and performances.

Svelte is a radical new approach to building user interfaces. Whereas traditional frameworks like React and Vue do the bulk of their work in the browser, Svelte shifts that work into a compile step that happens when you build your …

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Require a local Composer package for development


In PHP world Composer is currently the industry standard handling third-party packages. It allows us to automatically download the code libraries from Packagist along with all of their dependencies.

When developing a package that is going to be used in a framework, say Laravel for example, you don’t want to constantly push changes and require the package in a “real” project to test the integration. Wouldn’t be nice to include the local version of the …

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Unit test Laravel pre-5.3 Queue facade


This post is a followup of the previous one.

During my daily job I often work with old (pre 5.3) Laravel versions which do not provide fake implementations on facades, since this functionality has been introduced in version 5.3. For example with the Queue facade you can make the following assertions:


// Fake Queue functionality

// Perform order shipping...

Queue::assertPushed(ShipOrder::class, function ($job) use ($order) {
    return $job->order …
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Unit test Laravel pre-5.3 Mail facade


This post is only serving as a reference to how the Mail facade should be unit tested in Laravel versions previous to 5.3.

When testing an application we don’t want to send actual emails to users. We just want to fake them so we can ensure that they are getting sent, at some point, to the right users and with the right content.

Laravel provides Mail Fakes since version 5.3. This functionality allows you to easily mock the Mail facade and make various assertions on it. …

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Use import aliases in Rollup module bundler


Sometimes, when working with JavaScript and module bundlers, it’s useful to create aliases in order to import or require some modules more easily. In Webpack for example you can use the resolve.alias directive inside the configuration file.

module.exports = {
  resolve: {
    alias: {
      'applicationRoot': path.resolve(__dirname, 'src/')

A common use case for aliases is to abstract the application root, so instead of using relative …

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Effective pagination in AdonisJS


Notice: I already did an introduction on AdonisJs, a Laravel-inspired web framework for NodeJS. You can read that post first if you don’t know what AdonisJS is.

In the latest months I tried to get more comfortable with AdonisJS by building a concrete side-project. My impressions so far have been really positive, even though the work required to achieve some basic functionalities is higher and less intuitive compared to the effort required in Laravel. Pagination is a …

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