Now that SharePoint incorporates modern client-side development. It is time to learn these new libraries and technologies. Are you a SharePoint developer that wants to enhance its developer toolset? Then this session will be a good way to get an introduction to the TypeScript language. TypeScript is one of the languages that makes your development process easier and maintainable. In this session, you will learn how you can convert your JavaScript code to TypeScript and start building your applications with it.

1. Getting up to
speed with
TypeScript
Elio Struyf
14 octobre 2017
#SPSParis

2. Merci pour votre soutien

3. What is TypeScript?

4. It’s a strongly-typed superset
of JavaScript

5. Benefits of using TypeScript
• Allows for large-scale JavaScript applications
• Follows ECMAScript future proposal
• Supports plain-old JavaScript
• Not excluding any JavaScript feature
• Improved consistency
• IDE support (e.g. Intellisense)
• Compile-time type checking

6. Benefits of using TypeScript

7. Using TypeScript

8. TS files and transpilers

9. Steps to start
writing
• Install: npm install -g typescript
• Create a TS file
• Run: tsc index.ts --target ES5
• Use the JS file

10. Tip: use a tsconfig.json file to
simplify things

12. But, how do you get
intellisense?

13. By declaration / definition
files: *.d.ts

14. npm install @types/<module> --save-dev

15. Hey, show us some code!

16. Questions?

17. Office Servers & Services MVP
Azure / Office 365 / SharePoint
@eliostruyf
www.eliostruyf.com
info@estruyf.be
Elio Struyf
Lead trainer and architect