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Strange Loop 2017 - TypeScript 101

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Presented September 29th, 2017.

A short introduction to TypeScript and the benefits it provides to large-scale projects.

Lightning Talks
Strange Loop 2017
Friday, September 29th - 8:30 PM

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FVCproductions
https://fvcproductions.com

Published in: Technology
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Strange Loop 2017 - TypeScript 101

  1. 1. A brief class that introduces the benefits TypeScript provides to large scale projects. Prerequisites: JavaScript 202 TypeScript 101
  2. 2. 🎓 Professor Frances Coronel @fvcproductions fvcproductions in/fvcproductions
  3. 3. Syllabus (1) TypeScript vs JavaScript 🎭 (2) The Rise of TypeScript’s Popularity 📈 (3) Homework Assignments 📚
  4. 4. W8, what is TypeScript? 🤔 • free & open-source programming language developed & maintained by Microsoft • strict syntactical superset of JavaScript • eases development of large scale applications written in JavaScript • extends JavaScript by adding static types, classes, modules, interfaces & generics👶 5 years old
  5. 5. (1) TypeScript vs JavaScript 🎭 .ts .js
  6. 6. The Nitty Gritty 💻 npm i -g typescript Installing TypeScript Compiling our file to JS tsc multiplication.ts Configuring options touch tsconfig.json npm i -g tslint Optional Installing TSLint
  7. 7. JavaScript is TypeScript but TypeScript is not JavaScript. Superset vs Subset 🔘
  8. 8. 1. Referenced a symbol/ variable which is not declared in program 2. Not able to fully infer the type of a particular variable and warns against using it as is 3. Even if your source code has TypeScript errors, it will still produce JavaScript code which you can execute Spell Checker
  9. 9. What Types Provide ✓ modular development ✓ can be learned easily ✓ non-invasive ✓ long-term vision ✓ clean output To Type or Not To Type Pros of JavaScript • EVERYWHERE • awesome libraries • flexible Cons of JavaScript • dynamic typing • lack of modularity • verbose patterns
  10. 10. (2) The Rise of TypeScript’s Popularity 📈
  11. 11. Companies ❤ TypeScript
  12. 12. Developers ❤ TypeScript
  13. 13. (3) Homework Assignments 📚
  14. 14. Option 1. 🎥 Watch the creator of TypeScript talk about TypeScript at the #MSBuild Conference “What’s New In TypeScript” by Anders Hejlsberg
  15. 15. Option 2. 🎓 Enroll in an edX course on TypeScript created by Microsoft that starts tomorrow
  16. 16. Option 3. 🎮 Screw homework and go play instead! typescriptlang.org/play
  17. 17. Thanks for listening! ☺ @fvcproductions fvcproductions in/fvcproductions Slides will be uploaded ASAP at speakerdeck.com/fvcproductions
  18. 18. Credits 1. Mathematical Finn Photo: https://glarbinator.deviantart.com/art/Mathematical-Finn-417768395 2. TypeScript Official Website: http://www.typescriptlang.org/ 3. Severus Snape Video: https://www.youtube.com/watch?v=PnOyBLT07R8 4. GitHub Icon: https://www.iconfinder.com/iconsets/ionicons 5. Twitter & LinkedIn Icons: https://www.iconfinder.com/iconsets/free-social-icons 6. Fonts: Segoe UI, SF Pro Text, Input Mono 7. Google Trends: https://g.co/trends/2M11R 8. TypeScript and JavaScript Logos: egghead.io 9. Stack Overflow 2017 Survey: https://insights.stackoverflow.com/survey/2017 10. TypeScript GIFs: http://twittervideodownloader.com/ & @typescriptlang 11. EdX Course: https://www.edx.org/course/introduction-typescript-2-microsoft-dev273x-0#! 12. List of Editors: https://www.wikiwand.com/en/TypeScript

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