use rspack_core::{
ChunkLoading, ChunkLoadingType, ChunkUkey, Compilation,
CompilationAdditionalTreeRuntimeRequirements, CompilationRuntimeRequirementInTree, Plugin,
RuntimeGlobals, RuntimeModule, RuntimeModuleExt,
};
use rspack_error::Result;
use rspack_hook::{plugin, plugin_hook};
use crate::runtime_module::{
ReadFileChunkLoadingRuntimeModule, RequireChunkLoadingRuntimeModule, is_enabled_for_chunk,
};
#[plugin]
#[derive(Debug)]
pub struct CommonJsChunkLoadingPlugin {
async_chunk_loading: bool,
}
impl CommonJsChunkLoadingPlugin {
pub fn new(async_chunk_loading: bool) -> Self {
Self::new_inner(async_chunk_loading)
}
}
#[plugin_hook(CompilationAdditionalTreeRuntimeRequirements for CommonJsChunkLoadingPlugin)]
async fn additional_tree_runtime_requirements(
&self,
compilation: &Compilation,
chunk_ukey: &ChunkUkey,
runtime_requirements: &mut RuntimeGlobals,
_runtime_modules: &mut Vec<Box<dyn RuntimeModule>>,
) -> Result<()> {
let chunk_loading_value = if self.async_chunk_loading {
ChunkLoading::Enable(ChunkLoadingType::AsyncNode)
} else {
ChunkLoading::Enable(ChunkLoadingType::Require)
};
let is_enabled_for_chunk = is_enabled_for_chunk(chunk_ukey, &chunk_loading_value, compilation);
if is_enabled_for_chunk
&& compilation
.chunk_graph
.has_chunk_entry_dependent_chunks(chunk_ukey, &compilation.chunk_group_by_ukey)
{
runtime_requirements.insert(RuntimeGlobals::STARTUP_CHUNK_DEPENDENCIES);
if self.async_chunk_loading {
runtime_requirements.insert(RuntimeGlobals::ASYNC_STARTUP);
}
}
Ok(())
}
#[plugin_hook(CompilationRuntimeRequirementInTree for CommonJsChunkLoadingPlugin)]
async fn runtime_requirements_in_tree(
&self,
compilation: &Compilation,
chunk_ukey: &ChunkUkey,
_all_runtime_requirements: &RuntimeGlobals,
runtime_requirements: &RuntimeGlobals,
runtime_requirements_mut: &mut RuntimeGlobals,
runtime_modules_to_add: &mut Vec<(ChunkUkey, Box<dyn RuntimeModule>)>,
) -> Result<Option<()>> {
let chunk_loading_value = if self.async_chunk_loading {
ChunkLoading::Enable(ChunkLoadingType::AsyncNode)
} else {
ChunkLoading::Enable(ChunkLoadingType::Require)
};
let is_enabled_for_chunk = is_enabled_for_chunk(chunk_ukey, &chunk_loading_value, compilation);
let mut has_chunk_loading = false;
for runtime_requirement in runtime_requirements.iter() {
match runtime_requirement {
RuntimeGlobals::ENSURE_CHUNK_HANDLERS if is_enabled_for_chunk => {
has_chunk_loading = true;
runtime_requirements_mut.insert(RuntimeGlobals::GET_CHUNK_SCRIPT_FILENAME);
}
RuntimeGlobals::HMR_DOWNLOAD_UPDATE_HANDLERS if is_enabled_for_chunk => {
runtime_requirements_mut.insert(RuntimeGlobals::GET_CHUNK_UPDATE_SCRIPT_FILENAME);
runtime_requirements_mut.insert(RuntimeGlobals::MODULE_CACHE);
runtime_requirements_mut.insert(RuntimeGlobals::HMR_MODULE_DATA);
runtime_requirements_mut.insert(RuntimeGlobals::MODULE_FACTORIES_ADD_ONLY);
has_chunk_loading = true;
}
RuntimeGlobals::HMR_DOWNLOAD_MANIFEST if is_enabled_for_chunk => {
has_chunk_loading = true;
runtime_requirements_mut.insert(RuntimeGlobals::GET_UPDATE_MANIFEST_FILENAME);
}
RuntimeGlobals::ON_CHUNKS_LOADED
| RuntimeGlobals::EXTERNAL_INSTALL_CHUNK
| RuntimeGlobals::BASE_URI
if is_enabled_for_chunk =>
{
has_chunk_loading = true;
}
_ => {}
}
}
if has_chunk_loading && is_enabled_for_chunk {
runtime_requirements_mut.insert(RuntimeGlobals::MODULE_FACTORIES_ADD_ONLY);
runtime_requirements_mut.insert(RuntimeGlobals::HAS_OWN_PROPERTY);
if self.async_chunk_loading {
runtime_modules_to_add.push((
*chunk_ukey,
ReadFileChunkLoadingRuntimeModule::new(&compilation.runtime_template).boxed(),
));
} else {
runtime_modules_to_add.push((
*chunk_ukey,
RequireChunkLoadingRuntimeModule::new(&compilation.runtime_template).boxed(),
));
}
}
Ok(None)
}
impl Plugin for CommonJsChunkLoadingPlugin {
fn name(&self) -> &'static str {
"CommonJsChunkLoadingPlugin"
}
fn apply(&self, ctx: &mut rspack_core::ApplyContext<'_>) -> Result<()> {
ctx
.compilation_hooks
.additional_tree_runtime_requirements
.tap(additional_tree_runtime_requirements::new(self));
ctx
.compilation_hooks
.runtime_requirement_in_tree
.tap(runtime_requirements_in_tree::new(self));
Ok(())
}
}