// Good: choose between two options as appropriate (see below). import * as ng from '@angular/core'; import {Foo} from './foo'; // Only when needed: default imports. import Button from 'Button'; // Sometimes needed to import libraries for their side effects: import 'jasmine'; import '@polymer/paper-button'; Import paths TypeScript code must use paths to import other TypeScript code. Paths may be r
Show navigation Writing a high-performance JavaScript engine takes more than just having a highly optimising compiler like TurboFan. Particularly for short-lived sessions, like loading websites or command line tools, there’s a lot of work that happens before the optimising compiler even has a chance to start optimising, let alone having time to generate the optimised code. This is the reason why,
All JavaScript and TypeScript Features of the last 3 years
TypeScript as envisioned by Stable DiffusionThis article goes through almost all of the changes of the last 3 years (and some from earlier) in JavaScript / ECMAScript and TypeScript . Not all of the following features will be relevant to you or even practical, but they should instead serve to show what’s possible and to deepen your understanding of these languages. There are a lot of TypeScript fe
Do you want to get up to speed with React as quickly as possible? I’ve put together a super helpful cheatsheet to give you a complete overview of all of the React concepts you need to know in 2022. Click here to download the cheatsheet in PDF format. It includes all of the essential information in this article as a convenient PDF guide. Let’s get started! Table of Contents React Elements React Ele
// Good: choose between two options as appropriate (see below). import * as ng from '@angular/core'; import {Foo} from './foo'; // Only when needed: default imports. import Button from 'Button'; // Sometimes needed to import libraries for their side effects: import 'jasmine'; import '@polymer/paper-button'; Import paths TypeScript code must use paths to import other TypeScript code. Paths may be r
Building a type-safe dictionary in TypeScript - LogRocket Blog
Gapur Kassym I am a full-stack engineer and writer. I'm passionate about building excellent software that improves the lives of those around me. As a software engineer, I enjoy using my obsessive attention to detail and my unequivocal love for making things that change the world. Editor’s note: This article was last updated by Shalitha Suranga on 20 February 2024 to include advanced type checking
Update 2022-12-15: New section “How will this proposal affect future JavaScript APIs?” In this blog post, we look at the ECMAScript proposal “Iterator helpers” by Gus Caplan, Michael Ficarra, Adam Vandolder, Jason Orendorff, Kevin Gibbons, and Yulia Startsev. It introduces utility methods for working with iterable data: .map(), .filter(), .take(), etc. The style of the proposed API clashes with th
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Google TypeScript Style Guide
Sparkplug — a non-optimizing JavaScript compiler · V8
The React Cheatsheet for 2022
Google TypeScript Style Guide
ECMAScript proposal: iterator helpers