Adding internationalization support to a Svelte application: a step-by-step guide. — As a native French speaker living in the Swiss-German part of Switzerland, it goes without saying that translations, or more precisely, enabling users to switch languages in their apps, is a topic I am well-acquainted with. I consistently implement this functionality at the beginning of every project, regardless of whether…

How to mock the camera for an end-to-end test that requires a video stream capture. — We recently added a QR code reader feature to NNS-dapp, a decentralized application that enables interaction with the Internet Computer’s Network Nervous System. To ensure its maintainability, we created an end-to-end test using Playwright to simulate video capture for automation purposes. As we had to gather information from various sources…

How to create a Web3 decentralized application using Angular and Juno. — Originally published on the Juno website: https://juno.build/blog/develop-an-angular-app-on-blockchain There are various Web3 development solutions with unique advantages and limitations. If you are a frontend JavaScript developer seeking to build on the decentralized web, you may find it challenging to navigate. …

How to develop a decentralized application on the blockchain with React and Juno. — Originally published on the Juno website: https://juno.build/blog/build-a-web3-app-with-react-js There are numerous solutions available for building on Web3, each with their own unique advantages and limitations, but most are often related to connecting wallets and executing transactions. However, if you are a frontend JavaScript developer looking to build on the decentralized web…

The ability to auto-generate the Candid declaration from Rust code on the Internet Computer is expected to become available in the second quarter of 2023. In the meantime, a workaround can be used to generate these types, which I notably use in my open-source Blockchain-as-a-Service project, Juno. Here’s how you…

Comparing TypeScript “interface” with Rust “trait” for simple, flexible, and composable code. — While Rust has a concept of interface, it differs from other programming languages in that it does not use the interface keyword to specify the behavior of classes and functions. Instead, Rust’s closest abstraction pattern is trait. Although these concepts have many differences, they both address the problem of having…

Launching a new open-source Blockchain-as-a-Service solution that makes building Web3 applications more accessible to frontend developers. — I am thrilled to introduce Juno, a groundbreaking open-source Blockchain-as-a-Service solution that makes building Web3 applications more accessible to the millions of front-end developers worldwide. What is Juno? Unlike traditional Backend-as-a-Service (BaaS) platforms like Google Firebase or AWS Amplify, Juno runs entirely on the blockchain.

How to declare the types of custom stores? — ​Svelte offers some nice easy-to-use store concepts. One of those is “custom stores” which makes handy the obfuscation of the reactive stored data and its access through a set of custom-defined functions. For example, a counter that counts apples and bananas, I can create a custom store that does not…

Gosh, I finally got the name for my new side project. It will be called: Juno. ​”Nervous breakdown” Starting a blog post with such a title is of course way exaggerated but, daaaaamn it was not easy to come up with a name. I started working on my new side project two…