A tool to help migrate JavaScript code quickly and conveniently to TypeScript.
ts-migrate is a tool for helping migrate code to TypeScript. It takes a JavaScript, or a partial TypeScript, project in and gives a compiling TypeScript project out.
ts-migrate is intended to accelerate the TypeScript migration process. The resulting code will pass the build, but a followup is required to improve type safety. There will be lots of // @ts-expect-error, and any that will need to be fixed over time. In general, it is a lot nicer than starting from scratch.
ts-migrate is designed as a set of plugins so that it can be pretty customizable for different use-cases. Potentially, more plugins can be added for addressing things like improvements of type quality or libraries-related things (like prop-types in React).
Plugins are combined into migration configs. We currently have two main migration configs:
- for the main JavaScript → TypeScript migration
- for the reignore script
These configs can be moved out of the default script, and people can add custom configs with a different set of plugins for their needs.
You can find instructions on how to install and run ts-migrate in the main package. If you find any issues or have ideas for improvements, we welcome your contributions!
Check out the blog post about ts-migrate!
Published Packages
| Folder | Version | Package |
|---|---|---|
| packages/ts-migrate |  | ts-migrate |
| packages/ts-migrate-plugins |  | ts-migrate-plugins |
| packages/ts-migrate-server |  | ts-migrate-server |
Unpublished Packages
| Folder | Description |
|---|---|
| packages/ts-migrate-example | basic example of usage of the ts-migrate-server with a writing a custom simple plugin |
from https://github.com/airbnb/ts-migrate
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