We hope you'll join us at our next meetup!Our Hosts:Dylan Schiemann is the CEO of SitePen, Inc. (https://www.sitepen.com/) and the Co-Founder and Lead of Dojo (https://dojo.io/). Dylan has presented at more than 1000 web conferences and meetups around the globe, and organizes the HalfStack (https://halfstackconf.com/) conference.Paul Shannon is a Senior Software Developer for SitePen (https://www.sitepen.com/) and has over 10 years of experience in web development. With each event you'll get a sender and an argument object. It grew into Strongly Typed Events for TypeScript. Instead, for the sake of event type safety, you can create an emitter per event type: const onFoo = new TypedEvent
(); const onBar = new TypedEvent(); . The JavaScript world is rapidly evolving to provide a more robust foundation for building applications and we'll take a look at the many topics of today's web development best practices. npm install ste-events --save; Simple events - basically the same thing, with only an argument. React uses its own event system.
onFoo.emit(foo); onBar.emit(bar); onFoo.on((foo)=>console.log(foo)); onBar.on((bar)=>console.log(bar)); This has the following advantages: The Phoenix TypeScript is a meetup group for local developers to discuss TypeScript in-depth. TypeScript can help clarify an event-driven program by explicitly declaring what events an event emitter will handle. The IEvent An event is defined as a pair of sender and event args. Boolean The most basic datatype is the simple true/false value, which JavaScript and TypeScript call a boolean value. Events - styled after the way .Net implements events. Get the latest version by running: npm install strongly-typed-events –save. React event arguments are typically typed using the *Event suffix and take a generic argument representing the element being targeted. The key is just to constrain an Emitter within a map of “known” events that the emitter can produce. Upcoming events for Phoenix TypeScript in Phoenix, AZ. Paul contributes to Dojo, Intern and many other OSS projects. In TypeScript, we support the same types as you would expect in JavaScript, with an extra enumeration type thrown in to help things along. The article matches the latest version. 2018-02: we’ve updated to a new version of the project. You either need to be specific with e.g.React.MouseEvent or import the MouseEventtyping right from the React modul… He is involved in the developer community as an active participant in blogs, user groups, Stack Overflow, IRC and GitHub.Learning More:If you'd like to learn more about TypeScript and related topics, check out these helpful resources:The SitePen Blog (https://www.sitepen.com/blog/)TalkScript Podcast (https://talkscript.fm)All participants must follow the Code of Conduct (https://github.com/Phoenix-TypeScript/code-of-conduct), Phoenix Holiday JS Meetup, Party, Pub Quiz, Dojo 6: TypeScript-first reactive framework, TypeScript 2019: Improvements and Developer Ergonomics, https://github.com/Phoenix-TypeScript/code-of-conduct.