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use anyhow::Result;
use indoc::writedoc;
use turbo_tasks::{ResolvedVc, Vc};
use turbo_tasks_fs::{File, rope::RopeBuilder};
use turbopack_core::{
asset::AssetContent,
chunk::{ChunkingContext, MinifyType},
code_builder::{Code, CodeBuilder},
output::OutputAsset,
source_map::{GenerateSourceMap, OptionStringifiedSourceMap, SourceMapAsset},
version::{Version, VersionedContent},
};
use turbopack_ecmascript::{chunk::EcmascriptChunkContent, minify::minify, utils::StringifyJs};
use super::{chunk::EcmascriptBuildNodeChunk, version::EcmascriptBuildNodeChunkVersion};
use crate::NodeJsChunkingContext;
#[turbo_tasks::value]
pub(super) struct EcmascriptBuildNodeChunkContent {
pub(super) content: ResolvedVc<EcmascriptChunkContent>,
pub(super) chunking_context: ResolvedVc<NodeJsChunkingContext>,
pub(super) chunk: ResolvedVc<EcmascriptBuildNodeChunk>,
pub(super) source_map: ResolvedVc<SourceMapAsset>,
}
#[turbo_tasks::value_impl]
impl EcmascriptBuildNodeChunkContent {
#[turbo_tasks::function]
pub(crate) fn new(
chunking_context: ResolvedVc<NodeJsChunkingContext>,
chunk: ResolvedVc<EcmascriptBuildNodeChunk>,
content: ResolvedVc<EcmascriptChunkContent>,
source_map: ResolvedVc<SourceMapAsset>,
) -> Vc<Self> {
EcmascriptBuildNodeChunkContent {
content,
chunking_context,
chunk,
source_map,
}
.cell()
}
}
#[turbo_tasks::value_impl]
impl EcmascriptBuildNodeChunkContent {
#[turbo_tasks::function]
async fn code(self: Vc<Self>) -> Result<Vc<Code>> {
use std::io::Write;
let this = self.await?;
let source_maps = *this
.chunking_context
.reference_chunk_source_maps(*ResolvedVc::upcast(this.chunk))
.await?;
let mut code = CodeBuilder::default();
writedoc!(
code,
r#"
module.exports = {{
"#,
)?;
let content = this.content.await?;
let chunk_items = content.chunk_item_code_and_ids().await?;
for item in chunk_items {
for (id, item_code) in item {
write!(code, "{}: ", StringifyJs(&id))?;
code.push_code(item_code);
writeln!(code, ",")?;
}
}
write!(code, "\n}};")?;
let mut code = code.build();
if let MinifyType::Minify { mangle } = *this.chunking_context.minify_type().await? {
code = minify(code, source_maps, mangle)?;
}
Ok(code.cell())
}
#[turbo_tasks::function]
pub(crate) async fn own_version(&self) -> Result<Vc<EcmascriptBuildNodeChunkVersion>> {
Ok(EcmascriptBuildNodeChunkVersion::new(
self.chunking_context.output_root().owned().await?,
self.chunk.path().owned().await?,
*self.content,
*self.chunking_context.minify_type().await?,
))
}
}
#[turbo_tasks::value_impl]
impl GenerateSourceMap for EcmascriptBuildNodeChunkContent {
#[turbo_tasks::function]
fn generate_source_map(self: Vc<Self>) -> Vc<OptionStringifiedSourceMap> {
self.code().generate_source_map()
}
}
#[turbo_tasks::value_impl]
impl VersionedContent for EcmascriptBuildNodeChunkContent {
#[turbo_tasks::function]
async fn content(self: Vc<Self>) -> Result<Vc<AssetContent>> {
let this = self.await?;
let code = self.code().await?;
let rope = if code.has_source_map() {
use std::io::Write;
let mut rope_builder = RopeBuilder::default();
rope_builder.concat(code.source_code());
let source_map_path = this.source_map.path().await?;
write!(
rope_builder,
"\n\n//# sourceMappingURL={}",
urlencoding::encode(source_map_path.file_name())
)?;
rope_builder.build()
} else {
code.source_code().clone()
};
Ok(AssetContent::file(File::from(rope).into()))
}
#[turbo_tasks::function]
fn version(self: Vc<Self>) -> Vc<Box<dyn Version>> {
Vc::upcast(self.own_version())
}
}
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