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Make --watch mode more incremental #91

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captbaritone opened this issue Dec 23, 2023 · 3 comments

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captbaritone commented Dec 23, 2023

To start with, ideally we don't need to re-extract from files that have not changed

Owner Author

captbaritone commented Dec 23, 2023 •

edited

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Did some research and found a few leads:

Api for creating program in watch mode and using builder to get incremental emit/semantic diagnostics microsoft/TypeScript#20234
https://github.com/vlcn-io/typed-sql/blob/main/packages/cli/src/Analyzer.ts#L102
https://github.com/Microsoft/TypeScript/wiki/Using-the-Compiler-API#writing-an-incremental-program-watcher
Using the Language Service API · microsoft/TypeScript Wiki · GitHub https://github.com/microsoft/TypeScript/wiki/Using-the-Language-Service-API

Owner Author

captbaritone commented Dec 28, 2023

The most promising looking thing so far is these two methods on ts.LanguageServiceHost:

.getProjectVersion()
.getScriptVersion()

I suspect these will let me track changes more incrementally.

Owner Author

captbaritone commented Jan 24, 2024

https://github.com/vlcn-io/typed-sql/blob/main/packages/cli/src/Analyzer.ts

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