Svelte Language Tools contains a library implementing the Language Server Protocol (LSP). LSP powers the VSCode extension, which is also hosted in this repository. Additionally, LSP is capable of powering plugins for numerous other IDEs.
A Svelte preprocessor with sensible defaults and support for: PostCSS, SCSS, Less, Stylus, CoffeeScript, TypeScript, Pug and much more.
Storybook is a development environment for UI components. It allows you to browse a component library, view the different states of each component, and interactively develop and test components.
TypeScript-first schema validation with static type inference