---
title: "Discussion on \"How we migrated a 200K+ LOC project to TypeScript and survived to tell the story\" | Hashnode"
description: "Discussion on \"How we migrated a 200K+ LOC project to TypeScript and survived to tell the story\". Statically-typed JavaScript exploded in use in 2016. More and more companies are leveraging the vast potential of types in JavaScript. Two major players were recognized in the field of typed JavaScript - TypeScript, and Flow. They have some differenc..."
url: "https://hashnode.com/posts/how-we-migrated-a-200k-loc-project-to-typescript-and-survived-to-tell-the-story/589d69f8b7eaedaa4b51779e"
---

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# [How we migrated a 200K+ LOC project to TypeScript and survived to tell the story](https://hashnode.com/post/how-we-migrated-a-200k-loc-project-to-typescript-and-survived-to-tell-the-story?utm_source=hashnode&utm_medium=feed)

Statically-typed JavaScript exploded in use in 2016. More and more companies are leveraging the vast potential of types in JavaScript. Two major players were recognized in the field of typed JavaScript - TypeScript, and Flow. They have some differenc...

Feb 10, 2017 · hashnode.com  
Updated Oct 18, 2018  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#typescript](https://hashnode.com/tag/typescript)

## Written by

[Kleo Petrov](https://hashnode.com/@Kleo)

@Kleo · Sofia, Bulgaria

  
[View profile](https://hashnode.com/@Kleo)

Professional human being for 29 years

Software Developer with profound experience and interest in web technologies.

## Responses 1

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[Nancy Moore](https://hashnode.com/@nancymoore)

[Jul 19, 2017](https://hashnode.com/posts/how-we-migrated-a-200k-loc-project-to-typescript-and-survived-to-tell-the-story/589d69f8b7eaedaa4b51779e/comment/596f7a89107fab2733afd9c5)

wow, so many information)