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use turbo_rcstr::rcstr;
use turbo_tasks::{IntoTraitRef, ResolvedVc, Vc};
use turbopack_core::{
asset::{Asset, AssetContent},
chunk::{ChunkItem, ChunkType, ChunkableModule, ChunkingContext},
context::AssetContext,
ident::AssetIdent,
module::Module,
module_graph::ModuleGraph,
output::{OutputAsset, OutputAssets},
source::Source,
};
use turbopack_ecmascript::{
chunk::{
EcmascriptChunkItem, EcmascriptChunkItemContent, EcmascriptChunkPlaceable,
EcmascriptChunkType, EcmascriptExports,
},
runtime_functions::TURBOPACK_EXPORT_VALUE,
utils::StringifyJs,
};
use crate::{output_asset::WebAssemblyAsset, source::WebAssemblySource};
/// Exports the relative path to the WebAssembly file without loading it.
#[turbo_tasks::value]
#[derive(Clone)]
pub struct RawWebAssemblyModuleAsset {
source: ResolvedVc<WebAssemblySource>,
asset_context: ResolvedVc<Box<dyn AssetContext>>,
}
#[turbo_tasks::value_impl]
impl RawWebAssemblyModuleAsset {
#[turbo_tasks::function]
pub fn new(
source: ResolvedVc<WebAssemblySource>,
asset_context: ResolvedVc<Box<dyn AssetContext>>,
) -> Vc<Self> {
Self::cell(RawWebAssemblyModuleAsset {
source,
asset_context,
})
}
#[turbo_tasks::function]
fn wasm_asset(&self, chunking_context: Vc<Box<dyn ChunkingContext>>) -> Vc<WebAssemblyAsset> {
WebAssemblyAsset::new(*self.source, chunking_context)
}
}
#[turbo_tasks::value_impl]
impl Module for RawWebAssemblyModuleAsset {
#[turbo_tasks::function]
async fn ident(&self) -> Result<Vc<AssetIdent>> {
Ok(self
.source
.ident()
.with_modifier(rcstr!("wasm raw"))
.with_layer(self.asset_context.into_trait_ref().await?.layer()))
}
}
#[turbo_tasks::value_impl]
impl Asset for RawWebAssemblyModuleAsset {
#[turbo_tasks::function]
fn content(&self) -> Vc<AssetContent> {
self.source.content()
}
}
#[turbo_tasks::value_impl]
impl ChunkableModule for RawWebAssemblyModuleAsset {
#[turbo_tasks::function]
async fn as_chunk_item(
self: ResolvedVc<Self>,
_module_graph: Vc<ModuleGraph>,
chunking_context: ResolvedVc<Box<dyn ChunkingContext>>,
) -> Result<Vc<Box<dyn turbopack_core::chunk::ChunkItem>>> {
Ok(Vc::upcast(
RawModuleChunkItem {
module: self,
chunking_context,
wasm_asset: self.wasm_asset(*chunking_context).to_resolved().await?,
}
.cell(),
))
}
}
#[turbo_tasks::value_impl]
impl EcmascriptChunkPlaceable for RawWebAssemblyModuleAsset {
#[turbo_tasks::function]
fn get_exports(self: Vc<Self>) -> Vc<EcmascriptExports> {
EcmascriptExports::Value.cell()
}
}
#[turbo_tasks::value]
struct RawModuleChunkItem {
module: ResolvedVc<RawWebAssemblyModuleAsset>,
chunking_context: ResolvedVc<Box<dyn ChunkingContext>>,
wasm_asset: ResolvedVc<WebAssemblyAsset>,
}
#[turbo_tasks::value_impl]
impl ChunkItem for RawModuleChunkItem {
#[turbo_tasks::function]
fn asset_ident(&self) -> Vc<AssetIdent> {
self.module.ident()
}
#[turbo_tasks::function]
fn references(&self) -> Result<Vc<OutputAssets>> {
Ok(Vc::cell(vec![ResolvedVc::upcast(self.wasm_asset)]))
}
#[turbo_tasks::function]
fn chunking_context(&self) -> Vc<Box<dyn ChunkingContext>> {
Vc::upcast(*self.chunking_context)
}
#[turbo_tasks::function]
async fn ty(&self) -> Result<Vc<Box<dyn ChunkType>>> {
Ok(Vc::upcast(
Vc::<EcmascriptChunkType>::default().resolve().await?,
))
}
#[turbo_tasks::function]
fn module(&self) -> Vc<Box<dyn Module>> {
Vc::upcast(*self.module)
}
}
#[turbo_tasks::value_impl]
impl EcmascriptChunkItem for RawModuleChunkItem {
#[turbo_tasks::function]
async fn content(&self) -> Result<Vc<EcmascriptChunkItemContent>> {
let path = self.wasm_asset.path().await?;
let output_root = self.chunking_context.output_root().await?;
let Some(path) = output_root.get_path_to(&path) else {
bail!("WASM asset ident is not relative to output root");
};
Ok(EcmascriptChunkItemContent {
inner_code: format!(
"{TURBOPACK_EXPORT_VALUE}({path});",
path = StringifyJs(path)
)
.into(),
..Default::default()
}
.into())
}
}
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