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We teach and learn effective ways to use Typescript, share cool projects we've built using the language, and do hands-on practice projects together.

Dublin City, Ireland
Joined June 2015
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We are delighted to announce that @JSDayIE is coming back on September 26th 2023 🎉 Stay tuned for more details coming soon 🚀 #JavaScript #Ireland
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Dublin TypeScript retweeted
TypeScript 3.7 is finally here! ✔ Optional Chaining & Coalescing ✔ Assertion Functions ✔ .d.ts Emit From .js Files ✔ Smarter Control Flow Analysis ✔ Flatter Error Messages and more! Check out the blog post today! devblogs.microsoft.com/types…
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TypeScript is great in so many ways. The language, The compiler, The project, The community, The team, The conference. All good. #tsconf
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Whatʼs the best way to communicate a lack of return value? 1⃣ get(): T 2⃣ getOrThrow(): T 3⃣ getOrUndefined(): T | undefined 4⃣ UNSAFE_get(): T 5⃣ get(): Maybe<T> 6⃣ get(): Either<Error, T> 7⃣ get(): T | Error Do you throw, return `undefined`, or do something else?
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Dublin TypeScript retweeted
#Javascript ✨tips 'n' tricks✨ One of the pillars of clean code is to keep code simple. However, writing conditionals with multiple || expressions can get out of hand.. Keep them simple by using Array.includes: #typescript #javascript #Programming #CodeNewbie #100DaysOfCode
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Dublin TypeScript retweeted
#TypeScript 3.7 is going to be one of the most promising TypeScript releases! ✅ Optional Chaining (the ?. operator) ✅ Nullish Coalescing (the ?? operator) ✅ Recursive Type Aliases … and more! Try the beta today:
TypeScript turned 7 today! 🎂🎉 What better way to celebrate than with the TypeScript 3.7 beta? Now with... ➡ Optional Chaining ➡ Nullish Coalescing ➡ Assertion Functions ➡ Smarter Flow Analysis ➡ declaration + allowJs and more! devblogs.microsoft.com/types…
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This is the history of @DefinitelyTyped: blog.johnnyreilly.com/2019/1… Thanks to @SeaRyanC & @drosenwasser of the @typescript team, @blakeembrey inventor of typings, @vvakame, @_stevefenton, @basarat, and of course @borisyankov for telling me their parts of the story❤️🌻
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Dublin TypeScript retweeted
There's a lot of confusion between what transpilers, compilers, and interpreters are. Transpilation *is* compilation. TypeScript is *compiled* to JavaScript JavaScript is *interpreted* to Java by recruiters
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I love this story! Thanks for writing it up @johnny_reilly.
This is the history of @DefinitelyTyped: blog.johnnyreilly.com/2019/1… Thanks to @SeaRyanC & @drosenwasser of the @typescript team, @blakeembrey inventor of typings, @vvakame, @_stevefenton, @basarat, and of course @borisyankov for telling me their parts of the story❤️🌻
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Dublin TypeScript retweeted
Not sure if I've mentioned this but we made some of the errors better. #TSConf #TypeScript
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Dublin TypeScript retweeted
No, Getters and Setters in TypeScript & JavaScript aren't useless by @freecodecamp javascriptkicks.com/r/207258… #javascript #typescript via @JavaScriptKicks
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How to statically type optional parameters that are being destructured in #TypeScript (by @kamranayub): dev.to/kamranayub/handling-s…
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Video: 🎦 build your first #nodejs project with #TypeScript in under ten minutes. jlik.me/f85
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Dublin TypeScript retweeted
Transform everything to everything 👌 #flowtype to #typescript 🥰
Transform 2.0 is ready! ⚡️ 👩‍💻 JSON to TypeScript 📤 JSON to io-ts ⚛️ SVG to JSX 〰️ Flow to TypeScript 🔂 JSON to PropTypes transform.tools 😇 #TypeScript #GraphQL #React #SVG
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Join us one September 20th, 2019 at #JSDayIE 🇮🇪 The very first #JavaScript conference in #Ireland 🍀 Run 🏃‍♂️ and get your ticket 🎟️ before it is too late at 👉 jsday.org/tickets
Dublin TypeScript retweeted
#TypeScript just got a new playground with more options and a TS version selector : typescriptlang.org/play/ 🌹 #JavaScript ❤️
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