Enhancement: Use TS 7 (tsgo / typescript-go) for type information

### Before You File a Proposal Please Confirm You Have Done The Following... - [x] I have [searched for related issues](https://github.com/typescript-eslint/typescript-eslint/issues?q=is%3Aissue+label%3A%22enhancement%3A+plugin+rule+option%22) and found none that match my proposal. - [x] I have searched the [current rule list](https://typescript-eslint.io/rules/#rules) and found no rules that match my proposal. - [x] I have [read the FAQ](https://typescript-eslint.io/linting/troubleshooting) and my problem is not listed. ### Relevant Package typescript-estree ### My proposal is suitable for this project - [x] I believe my proposal would be useful to the broader TypeScript community (meaning it is not a niche proposal). ### Description TypeScript is getting ported to Go! It's going to be 10x faster! Blazing fast! Speed! 🔥 ⚡ https://devblogs.microsoft.com/typescript/typescript-native-port/ If we could use this to power typed linting, that'd be great for users. Type checking performance is _the_ bottleneck for the vast majority of correctly configured lint rules that use typescript-eslint. We believe there are currently _at least_ three major difficulties with typescript-eslint using tsgo in 2025: 1. ESLint does not yet support asynchronous parsers: https://github.com/eslint/eslint/issues/15475 * ~~It's very likely that tsgo will be consumed via native binding APIs (WASM), and so will almost certainly be asynchronous~~ * ~~typescript-eslint could in theory us

Posted by JoshuaKGoldberg on Mar 11, 2025, 7:04 PM

Tags

• support (Software)

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