lemmy/docs/src/contributing.md

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Contributing

Information about contributing to Lemmy, whether it is translating, testing, designing or programming.

Issue tracking / Repositories

Translating

Check out Lemmy's Weblate for translations.

Architecture

Front end

  • The front end is written in typescript, using a react-like framework called inferno. All UI elements are reusable .tsx components.
  • The main page and routing are in ui/src/index.tsx.
  • The components are located in ui/src/components.

Back end

  • The back end is written in rust, using diesel, and actix.
  • The server source code is split into main sections in server/src. These include:
    • db - The low level database actions.
      • Database additions are done using diesel migrations. Run diesel migration generate xxxxx to add new things.
    • api - The high level user interactions (things like CreateComment)
    • routes - The server endpoints .
    • apub - The activitypub conversions.
    • websocket - Creates the websocket server.

Linting / Formatting

  • Every front and back end commit is automatically formatted then linted using husky, and lint-staged.
  • Rust with cargo fmt and cargo clippy.
  • Typescript with prettier and eslint.