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use deno_core::{v8, ModuleId};
use crate::Module;
/// Represents a loaded instance of a module within a runtime
#[derive(Clone, Debug, Eq, PartialEq, Default)]
pub struct ModuleHandle {
entrypoint: Option<v8::Global<v8::Function>>,
module_id: ModuleId,
module: Module,
}
impl ModuleHandle {
/// Create a new module instance
pub(crate) fn new(
module: &Module,
module_id: ModuleId,
entrypoint: Option<v8::Global<v8::Function>>,
) -> Self {
Self {
module_id,
entrypoint,
module: module.clone(),
}
}
/// Create a new module handle from raw parts
///
/// # Safety
/// This function is unsafe because it allows using potentially invalid `ModuleIds`.
///
/// Use of an unloaded module ID will result in a panic.
#[must_use]
pub unsafe fn from_raw(
module: &Module,
module_id: ModuleId,
entrypoint: Option<v8::Global<v8::Function>>,
) -> Self {
Self::new(module, module_id, entrypoint)
}
/// Return this module's contents
#[must_use]
pub fn module(&self) -> &Module {
&self.module
}
/// Return this module's ID
#[must_use]
pub fn id(&self) -> ModuleId {
self.module_id
}
/// Return this module's entrypoint
#[must_use]
pub fn entrypoint(&self) -> &Option<v8::Global<v8::Function>> {
&self.entrypoint
}
}