Slow and Steady: Converting Sentry’s Entire Frontend to TypeScript

1. TypeScript

   1 1,423 104,429 9.7 TypeScript

   TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

   

   TypeScript has an active community with a clear and maintained development roadmap in addition to rapid releases.

2. SurveyJS

   surveyjs.io featured

   JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.

   

3. DefinitelyTyped

   2 3 32,427 10.0 TypeScript

   Discontinued The repository for high quality TypeScript type definitions. [Moved to: https://github.com/DefinitelyTyped/DefinitelyTyped] (by borisyankov)

   

   Many of the libraries we use (including React) already have type definitions available.

4. Sentry

   3 297 40,843 10.0 Python

   Developer-first error tracking and performance monitoring

   

   Sentry’s first Typescript Pull Request: https://github.com/getsentry/sentry/pull/13786

5. reflux

   4 2 5,351 0.0 JavaScript

   A simple library for uni-directional dataflow application architecture with React extensions inspired by Flux

   

   One downside to relying on the type definitions in DefinitelyTyped is that occasionally the library types are not written by the maintainers. Instead, community users contribute types, and because of that some types are missing or incorrectly defined. We encountered this with the versions of ECharts and Reflux we were using. Our solution here was to add additional type definitions in our code.

6. TypeScript-slack-bot

   5 1 0 4.4 TypeScript

   Discontinued Small slack bot to get the current typescript conversion progress of sentry

   

   In addition, our fantastic tools team introduced a slackbot that would allow us to track progress on demand. Seeing the number go up every day was a big motivator in the final stages, so much so it’s something we’ll likely to use again. You can find the early versions of that bot here.

7. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

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