Browser-based Pyright

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library 1.39.3 ·javascript
verified May 27, 2026

This package provides a browser-compatible build of `basedpyright`, an advanced static type checker for Python. As a fork of Microsoft's Pyright, `basedpyright` offers robust type analysis, diagnostic reporting, and language server capabilities. `browser-basedpyright` enables the integration of these features directly into web environments, such as online Python playgrounds, web-based IDEs, and educational tools, without requiring a Node.js backend. It follows a rapid release cadence, frequently updating to incorporate the latest upstream Pyright features and bug fixes, with the current stable version being `1.39.3`. Its primary differentiator is enabling comprehensive Python type checking entirely within the client-side browser context.

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