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use anyhow::Result;
use turbo_rcstr::{RcStr, rcstr};
use turbo_tasks::{ResolvedVc, ValueToString, Vc};
use turbopack_core::{
asset::{Asset, AssetContent},
chunk::{
ChunkGroupType, ChunkableModule, ChunkableModuleReference, ChunkingContext, ChunkingType,
ChunkingTypeOption,
},
ident::AssetIdent,
module::Module,
module_graph::ModuleGraph,
reference::{ModuleReference, ModuleReferences},
resolve::ModuleResolveResult,
};
use super::chunk_item::WorkerLoaderChunkItem;
/// The WorkerLoaderModule is a module that creates a separate root chunk group for the given module
/// and exports a URL to pass to the worker constructor.
#[turbo_tasks::value]
pub struct WorkerLoaderModule {
pub inner: ResolvedVc<Box<dyn ChunkableModule>>,
}
#[turbo_tasks::value_impl]
impl WorkerLoaderModule {
#[turbo_tasks::function]
pub fn new(module: ResolvedVc<Box<dyn ChunkableModule>>) -> Vc<Self> {
Self::cell(WorkerLoaderModule { inner: module })
}
#[turbo_tasks::function]
pub fn asset_ident_for(module: Vc<Box<dyn ChunkableModule>>) -> Vc<AssetIdent> {
module.ident().with_modifier(rcstr!("worker loader"))
}
}
#[turbo_tasks::value_impl]
impl Module for WorkerLoaderModule {
#[turbo_tasks::function]
fn ident(&self) -> Vc<AssetIdent> {
Self::asset_ident_for(*self.inner)
}
#[turbo_tasks::function]
async fn references(self: Vc<Self>) -> Result<Vc<ModuleReferences>> {
Ok(Vc::cell(vec![ResolvedVc::upcast(
WorkerModuleReference::new(*ResolvedVc::upcast(self.await?.inner))
.to_resolved()
.await?,
)]))
}
}
#[turbo_tasks::value_impl]
impl Asset for WorkerLoaderModule {
#[turbo_tasks::function]
fn content(&self) -> Vc<AssetContent> {
panic!("content() should not be called");
}
}
#[turbo_tasks::value_impl]
impl ChunkableModule for WorkerLoaderModule {
#[turbo_tasks::function]
fn as_chunk_item(
self: ResolvedVc<Self>,
module_graph: ResolvedVc<ModuleGraph>,
chunking_context: ResolvedVc<Box<dyn ChunkingContext>>,
) -> Vc<Box<dyn turbopack_core::chunk::ChunkItem>> {
Vc::upcast(
WorkerLoaderChunkItem {
module: self,
module_graph,
chunking_context,
}
.cell(),
)
}
}
#[turbo_tasks::value]
struct WorkerModuleReference {
module: ResolvedVc<Box<dyn Module>>,
}
#[turbo_tasks::value_impl]
impl WorkerModuleReference {
#[turbo_tasks::function]
pub fn new(module: ResolvedVc<Box<dyn Module>>) -> Vc<Self> {
Self::cell(WorkerModuleReference { module })
}
}
#[turbo_tasks::value_impl]
impl ChunkableModuleReference for WorkerModuleReference {
#[turbo_tasks::function]
fn chunking_type(self: Vc<Self>) -> Vc<ChunkingTypeOption> {
Vc::cell(Some(ChunkingType::Isolated {
_ty: ChunkGroupType::Evaluated,
merge_tag: None,
}))
}
}
#[turbo_tasks::value_impl]
impl ModuleReference for WorkerModuleReference {
#[turbo_tasks::function]
fn resolve_reference(&self) -> Vc<ModuleResolveResult> {
*ModuleResolveResult::module(self.module)
}
}
#[turbo_tasks::value_impl]
impl ValueToString for WorkerModuleReference {
#[turbo_tasks::function]
fn to_string(&self) -> Vc<RcStr> {
Vc::cell(rcstr!("worker module"))
}
}
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