Struct ComponentIntrospection 

pub struct ComponentIntrospection { /* private fields */ }

The whitelist of exposable components and their field readers. Built once by the runtime (see with_defaults) and consulted per element.

Implementations

impl ComponentIntrospection

pub fn with_defaults() -> Self

The starter whitelist: geometry, paint, text, identity, and the generic attribute / inline-style maps.

pub fn names(&self) -> Vec<&'static str>

The names of every whitelisted component, in registry order.

pub fn is_known(&self, name: &str) -> bool

Whether name is a whitelisted component.

pub fn read_all( &self, entity: EntityRef<'_>, ) -> Vec<(String, ComponentValueMap)>

Every whitelisted component present on entity, with its field map.