This page is very much a work in progress! If you're familiar with WASM and Rust, then understanding the
zellij-tile library is a great place to start.
In short, Zellij expects your WASI module to export three functions:
main():: called once on plugin load
update():: called after event subscriptions are triggered
render(i32, i32):: called when the plugin needs to be rendered
render(i32, i32) function is passed the size of the plugin pane, first the rows, then the columns – e.g.
Complex types are sent over stdin as JSON objects. Before
update() is called, Zellij writes an event to the plugin's stdin that can be read back in the
Host functions, for communicating with Zellij, are best documented by the
extern section of
zellij-tile::shim and are found in a WASM module named