Deno adds support for private NPM registries

Deno Land has released Deno 1.44, the latest version of the JavaScript, TypeScript, and WebAssembly runtime rivaling Node.js. The upgrade adds support for private NPM registries, letting developers use internal packages with Deno by configuring an .npmrc ... more

The Deno Team Releases JSR, a New JavaScript Package Registry

The Deno team recently beta released JSR, a new JavaScript registry that strives to better fit the current needs of modern development and unify a fragmented JavaScript ecosystem. In particular, JSR embraces ESM (JavaScript native modules), natively ... more

Best practices for AWS AppSync GraphQL APIs

In this post, we will look at strategies to consider when building out your GraphQL API and explore why AWS AppSync is a great choice for building and deploying this API. We will review best practices that have been devised by the AWS AppSync team and ... more

Why learn LangChain (as a JavaScript developer)?

My main scope for this article is to detail why learning LangChain is a worthwhile investment, both for seasoned and beginner JavaScript developers. As a disclaimer, just wanted to let you know that yesterday was the official launch date of the 📘 LangChain ... more

React Native vs. Native Script: Choosing the Best Framework

In the realm of mobile app development, the choice of framework can significantly impact the outcome of a project. React Native and NativeScript are two prominent contenders in this arena, offering solutions for native development with JavaScript mobile ... more

Elevating luxury: The ultimate guide to premium customer experience in China

This is a comprehensive study delving into premium customer experience. The post is approximately 2,000 words long and takes about 20 minutes to read. Why is customer experience pivotal in today’s market? It's simple: a stellar customer experience distinguishes ... more

CO2.js Helps Developers Track Their Application’s Carbon Footprint

The Green Web Foundation published a new release of CO2.js, a JavaScript library that enables developers to access the Green Web API and estimate the carbon emissions associated with their apps, websites, and software. CO2.js supports developers who ... more

Mistral releases Codestral, its first generative AI model for code

Mistral, the French AI startup backed by Microsoft and valued at $6 billion, has released its first generative AI model for coding, dubbed Codestral. Codestral, like other code-generating models, is designed to help developers write and interact with ... more

Data storage for front-end JavaScript

Like every other programming environment, you need a place to store your data when coding in the browser with JavaScript. Beyond simple JavaScript variables, there are a variety of options ranging in sophistication, from using localStorage to cookies ... more

Node v20.14.0 (LTS)

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Fullstack TypeScript on AWS: Amplify Gen 2 Now Generally Available

AWS has recently announced the general availability of Amplify Gen 2, a “code-first developer experience” that enables TypeScript and JavaScript developers to build and deploy fullstack applications on AWS. By Renato Losio ... more

React Compiler

React Compiler 12 minutes by React Team In order to optimize applications, React Compiler automatically memoizes your code. You may be familiar today with memoization through APIs such as useMemo, useCallback, and React.memo. With these APIs you can ... more

Why enterprises rely on JavaScript, Python, and Java

Despite advances in cloud computing, mobile development, and AI, the day-to-day business of enterprises around the world still runs on three programming languages that made their debut in the 1990s. In nearly every ranking system, JavaScript, Python, ... more

How the “LangChain for JavaScript Developers” book came to be

The first time I wrote a computer program was 26 years ago, in Turbo Pascal. To someone who did not know how to code it felt like casting spells. But I understood how spells were made. If - then - else statements, functions, variables. This was how you ... more

[Js-Craft #53] LangChain for JavaScript developers, podcast interview, Italy trip, StructuredOutputParser

Ciao amici 🇮🇹👋 ! It's Daniel here. I run the js-craft.io website. This edition of the Js-Craft newsletter will be a short one as I am in Rimini, Italy on a short family vacation. First trip with our 7mo baby daughter 🤞. In this edition of the newsletter: ... more

Angular 18 arrives with server-side rendering improvements

Google has published Angular 18, a major upgrade of Google’s TypeScript-based web app development framework that brings server-side rendering improvements and experimental support for zoneless change detection. The release also moves deferrable views ... more

Diving Deep into Array Index Positions

Learn all about index positions and how they help us read, write, and manipulate data in our arrays. ... more

Build a Feedback Collection App with SendGrid, Node.js, and React

Learn how to build a feedback collection app that you can integrate into your website. This tutorial guides you through the process of enhancing your app with email notifications with Twilio SendGrid, Node.js, and React ... more

A first look at progressive web apps

Progressive web apps are an innovation of modern web development, pairing the ubiquity of web browsers with the richness of native applications. Specialized features such as service workers increase the complexity of development as compared to a typical ... more

Node v18.20.3 (LTS)

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Running PostgreSQL in the Browser with WebAssembly

With the recently released PGlite, a WASM build of Postgres that is packaged into a TypeScript client library, developers can run Postgres queries in the browser with no extra dependencies. PGlite is used for reactive, real-time, local-first apps. By ... more

JetBrains AI Assistant for JavaScript Developers – WebStorm

There is no doubt that the advent of AI is changing the way many of us work. Whether you choose to accept this with optimism… or skepticism… is a topic for another day. We choose optimism, as AI has incredible potential to improve how we work. In this ... more

AI? New retail? Digital transformation? All in one at Shanghai Hacker News Meetup: June 2024

Thanks to all of you who joined us for our latest UI/UX Meetup. This, we will have a Hacker News Meetup in Shanghai. It will happen on Thursday, June 27th, 2024, at Wirecraft Office in Shanghai. We will have three speakers sharing on AI x 2C products ... more

Rolldown, a Rollup-Compatible Rust-Based Bundler for JavaScript Is Now Open -Sourced

Rolldown is a new JavaScript bundler written in Rust for performance. Rolldown intends to be compatible with Rollup’s APIs and plugins. The Rolldown project is led by Evan You (creator of the Vue web framework) and is intended to become Vite’s next bundler. ... more

[Js-Craft #52] Integrate AI models in Javascript apps, interview question, and Prompt Templates

Hey firends! It's Daniel here, the guy who manages the js-craft.io website. I hope your week was great! Mine was fairly busy with meetings, book writing and more. But it was a fun kind of busy. Let’s learn! In this edition of the newsletter: 📕 Langchain.js ... more

Las 10 mejores soluciones para tu e-commerce

Cual es la plataforma de ecommerce más recomendables para montar una tienda online?Podemos plantearnos varias opciones: desarrollo propio (a medida), que sin duda tiene un coste más alto pero asegura una flexibilidad mayor, modularidad y más medidas preventivas ... more

StructuredOutputParser with Zod schema in LangChain (Javascript version)

The StructuredOutputParser from Langchain.js is maybe the most versatile output parser we ca use. It can be used to return multiple fields or, if you want complex structures, such as a JSON object with arrays of strings, we can mix it with the Zod Schema. ... more

Alert System with Twillio SendGrid and Node.js

Learn how to create an alert service to send email notifications using Twilio SendGrid and Node.js. ... more

Node v22.2.0 (Current)

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TypeSpec: A Practical TypeScript-Inspired API Definition Language

Recently, Microsoft engineers officially unveiled TypeSpec, a new language tailored for API-centric development that addresses the complex needs of modern API design. TypeSpec is an open-source, extensible language inspired by TypeScript and C#. It supports ... more