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use crate::dom::Cmd;
use crate::vdom::Node;
pub use skip_diff::{skip_if, SkipDiff, SkipPath};
///
pub mod skip_diff;
/// An Application is the root component of your program.
/// Everything that happens in your application is done here.
///
pub trait Application: Sized + 'static {
///
type MSG;
/// The application can implement this method where it can modify its initial state.
/// This method is called right after the program is mounted into the DOM.
fn init(&mut self) -> Cmd<Self::MSG> {
Cmd::none()
}
/// Update the component with a message.
/// The update function returns a Dispatch, which can be executed by the runtime.
///
/// Called each time an action is triggered from the view
fn update(&mut self, _msg: Self::MSG) -> Cmd<Self::MSG>;
/// Returns a node on how the component is presented.
fn view(&self) -> Node<Self::MSG>;
/// The css style for the application, will be mounted automatically by the program
fn stylesheet() -> Vec<String> {
vec![]
}
/// dynamic style of an application which will be reinjected when the application style changed
fn style(&self) -> Vec<String> {
vec![]
}
/// This is called after dispatching and updating the dom for the component
/// This is for diagnostic and performance measurement purposes.
///
/// Warning: DO NOT use for anything else other than the intended purpose
fn measurements(&mut self, _measurements: Measurements) {}
}
/// Contains the time it took for the last app update call for the component
/// TODO: Maybe rename to Diagnostics
#[derive(Clone, Copy, Debug, PartialEq, Default)]
pub struct Measurements {
/// The number of DOM nodes in this Component
pub node_count: usize,
/// Time it took for the Component to build it's view
pub build_view_took: f64,
/// Total number of patches applied on this update loop
pub total_patches: usize,
/// Time it took for the patching the DOM.
pub dom_update_took: f64,
/// Total time it took for the component dispatch
pub total_time: f64,
/// The total count reference of the Program App
pub strong_count: usize,
/// The total weak count reference of the Program App
pub weak_count: usize,
}