dartboard_local/
store.rs

1use dartboard_core::Canvas;
2
3/// Persistence boundary for the canonical canvas. In-memory by default;
4/// the late-sh integration plan describes a postgres-backed impl.
5pub trait CanvasStore: Send + Sync {
6    /// Called on server startup. Return the canvas to initialize with, or
7    /// None for a fresh empty canvas.
8    fn load(&self) -> Option<Canvas>;
9
10    /// Called after every applied op. Implementations may debounce or skip.
11    fn save(&mut self, canvas: &Canvas);
12}
13
14#[derive(Default)]
15pub struct InMemStore;
16
17impl CanvasStore for InMemStore {
18    fn load(&self) -> Option<Canvas> {
19        None
20    }
21
22    fn save(&mut self, _canvas: &Canvas) {}
23}
dartboard_local/store.rs

dartboard_local/
store.rs
