Simone Sanfratello
Do TypeScript without TypeScript
#1about 2 minutes
The rise of TypeScript and static code checkers
TypeScript has become a highly popular language, evolving from earlier JavaScript static code checkers like JSLint and Flow.
#2about 4 minutes
Understanding the role of explicit types in code
Explicit types help prevent unexpected results from implicit type coercion and define clear contracts for objects and functions.
#3about 4 minutes
Why type checking is not a substitute for tests
Static type checking only addresses code integrity and cannot replace input validation or comprehensive testing for application reliability.
#4about 2 minutes
Exploring the key benefits of adopting TypeScript
TypeScript improves developer experience through better code completion, reduces cognitive load on large projects, and enhances documentation.
#5about 3 minutes
Considering the costs and drawbacks of TypeScript
Adopting TypeScript introduces a required compilation step, configuration complexity, and potential limitations on JavaScript's dynamic capabilities.
#6about 3 minutes
Using JSDoc to get TypeScript benefits without TypeScript
Leverage JSDoc annotations with the TypeScript compiler to enable static type checking directly in JavaScript files, avoiding a full migration.
#7about 12 minutes
Live demo of type checking JavaScript with JSDoc
A practical demonstration shows how to configure a project and use JSDoc annotations to get real-time type checking in plain JavaScript files.
#8about 14 minutes
Audience Q&A on JSDoc, testing, and configuration
The speaker answers audience questions about JSDoc's limitations with generics, strategies for typed testing, and recommended tsconfig.json settings.
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Evaluating the pros and cons of TypeScript adoption
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20:02 MIN
Leverage JS Doc for type safety in JavaScript
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00:41 MIN
The benefits of using TypeScript with Svelte
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38:46 MIN
Evaluating the strengths and limitations of TypeScript
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28:31 MIN
Recap of the four-step JavaScript to TypeScript migration
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32:12 MIN
Strategies for migrating large codebases to TypeScript
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From learning to earning
Jobs that call for the skills explored in this talk.
![Senior Software Engineer [TypeScript] (Prisma Postgres)](https://wearedevelopers.imgix.net/company/283ba9dbbab3649de02b9b49e6284fd9/cover/oKWz2s90Z218LE8pFthP.png?w=400&ar=3.55&fit=crop&crop=entropy&auto=compress,format)
Senior Software Engineer [TypeScript] (Prisma Postgres)
Prisma
Remote
Senior
Node.js
TypeScript
PostgreSQL
Lead Full-Stack Engineer
Hubert Burda Media
München, Germany
€80-95K
Intermediate
Senior
React
Vue.js
Node.js
MongoDB
+1
