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use crate::browser::util;
use web_sys::Element;
pub struct UndefinedMountPoint;
pub trait MountPoint {
fn element_getter(self) -> Box<dyn FnOnce() -> Element>;
}
impl MountPoint for &str {
fn element_getter(self) -> Box<dyn FnOnce() -> Element> {
let id = self.to_owned();
Box::new(move || {
util::document().get_element_by_id(&id).unwrap_or_else(|| {
panic!(
"Can't find element with id={:?} - app cannot be mounted!\n\
(Id defaults to \"app\", or can be set with the .mount() method)",
id
)
})
})
}
}
impl MountPoint for Element {
fn element_getter(self) -> Box<dyn FnOnce() -> Element> {
Box::new(|| self)
}
}
impl MountPoint for web_sys::HtmlElement {
fn element_getter(self) -> Box<dyn FnOnce() -> Element> {
Box::new(|| self.into())
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum MountType {
Takeover,
Append,
}
impl Default for MountType {
fn default() -> Self {
Self::Append
}
}
pub struct BeforeMount {
pub(crate) mount_point_getter: Box<dyn FnOnce() -> Element>,
pub(crate) mount_type: MountType,
}
impl BeforeMount {
pub fn new() -> Self {
Self::default()
}
pub fn mount_point(mut self, mount_point: impl MountPoint + 'static) -> BeforeMount {
self.mount_point_getter = Box::new(mount_point.element_getter());
self
}
pub const fn mount_type(mut self, mount_type: MountType) -> Self {
self.mount_type = mount_type;
self
}
}
impl Default for BeforeMount {
fn default() -> Self {
Self {
mount_point_getter: "app".element_getter(),
mount_type: MountType::default(),
}
}
}