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use anyhow::Result;
use serde_json::Value as JsonValue;
use turbo_rcstr::{RcStr, rcstr};
use turbo_tasks::{FxIndexSet, ResolvedVc, Vc};
use turbo_tasks_env::ProcessEnv;
use turbo_tasks_fs::FileSystemPath;
use turbopack_core::introspect::{
Introspectable, IntrospectableChildren, module::IntrospectableModule,
output_asset::IntrospectableOutputAsset,
};
use turbopack_dev_server::source::{
ContentSource, ContentSourceContent, ContentSourceData, ContentSourceDataVary,
GetContentSourceContent,
route_tree::{BaseSegment, RouteTree, RouteType},
};
use super::{RenderData, render_proxy::render_proxy_operation};
use crate::{get_intermediate_asset, node_entry::NodeEntry, route_matcher::RouteMatcher};
/// Creates a [NodeApiContentSource].
#[turbo_tasks::function]
pub fn create_node_api_source(
cwd: FileSystemPath,
env: ResolvedVc<Box<dyn ProcessEnv>>,
base_segments: Vec<BaseSegment>,
route_type: RouteType,
server_root: FileSystemPath,
route_match: ResolvedVc<Box<dyn RouteMatcher>>,
pathname: ResolvedVc<RcStr>,
entry: ResolvedVc<Box<dyn NodeEntry>>,
render_data: ResolvedVc<JsonValue>,
debug: bool,
) -> Vc<Box<dyn ContentSource>> {
Vc::upcast(
NodeApiContentSource {
cwd,
env,
base_segments,
route_type,
server_root,
pathname,
route_match,
entry,
render_data,
debug,
}
.cell(),
)
}
/// A content source that proxies API requests to one-off Node.js
/// servers running the passed `entry` when it matches a `path_regex`.
///
/// It needs a temporary directory (`intermediate_output_path`) to place file
/// for Node.js execution during rendering. The `chunking_context` should emit
/// to this directory.
#[turbo_tasks::value]
pub struct NodeApiContentSource {
cwd: FileSystemPath,
env: ResolvedVc<Box<dyn ProcessEnv>>,
base_segments: Vec<BaseSegment>,
route_type: RouteType,
server_root: FileSystemPath,
pathname: ResolvedVc<RcStr>,
route_match: ResolvedVc<Box<dyn RouteMatcher>>,
entry: ResolvedVc<Box<dyn NodeEntry>>,
render_data: ResolvedVc<JsonValue>,
debug: bool,
}
#[turbo_tasks::value_impl]
impl NodeApiContentSource {
#[turbo_tasks::function]
pub fn get_pathname(&self) -> Vc<RcStr> {
*self.pathname
}
}
#[turbo_tasks::value_impl]
impl ContentSource for NodeApiContentSource {
#[turbo_tasks::function]
async fn get_routes(self: Vc<Self>) -> Result<Vc<RouteTree>> {
let this = self.await?;
Ok(RouteTree::new_route(
this.base_segments.clone(),
this.route_type.clone(),
Vc::upcast(self),
))
}
}
#[turbo_tasks::value_impl]
impl GetContentSourceContent for NodeApiContentSource {
#[turbo_tasks::function]
fn vary(&self) -> Vc<ContentSourceDataVary> {
ContentSourceDataVary {
method: true,
url: true,
original_url: true,
raw_headers: true,
raw_query: true,
body: true,
cache_buster: true,
..Default::default()
}
.cell()
}
#[turbo_tasks::function]
async fn get(&self, path: RcStr, data: ContentSourceData) -> Result<Vc<ContentSourceContent>> {
let Some(params) = &*self.route_match.params(path.clone()).await? else {
anyhow::bail!("Non matching path provided")
};
let ContentSourceData {
method: Some(method),
url: Some(url),
original_url: Some(original_url),
raw_headers: Some(raw_headers),
raw_query: Some(raw_query),
body: Some(body),
..
} = &data
else {
anyhow::bail!("Missing request data")
};
let entry = (*self.entry).entry(data.clone()).await?;
Ok(ContentSourceContent::HttpProxy(render_proxy_operation(
self.cwd.clone(),
self.env,
self.server_root.join(&path.clone())?,
ResolvedVc::upcast(entry.module),
entry.runtime_entries,
entry.chunking_context,
entry.intermediate_output_path.clone(),
entry.output_root.clone(),
entry.project_dir.clone(),
RenderData {
params: params.clone(),
method: method.clone(),
url: url.clone(),
original_url: original_url.clone(),
raw_query: raw_query.clone(),
raw_headers: raw_headers.clone(),
path: format!("/{path}").into(),
data: Some(self.render_data.await?),
}
.resolved_cell(),
*body,
self.debug,
))
.cell())
}
}
#[turbo_tasks::value_impl]
impl Introspectable for NodeApiContentSource {
#[turbo_tasks::function]
fn ty(&self) -> Vc<RcStr> {
Vc::cell(rcstr!("node api content source"))
}
#[turbo_tasks::function]
fn title(&self) -> Vc<RcStr> {
*self.pathname
}
#[turbo_tasks::function]
fn details(&self) -> Vc<RcStr> {
Vc::cell(
format!(
"base: {:?}\ntype: {:?}",
self.base_segments, self.route_type
)
.into(),
)
}
#[turbo_tasks::function]
async fn children(&self) -> Result<Vc<IntrospectableChildren>> {
let mut set = FxIndexSet::default();
for &entry in self.entry.entries().await?.iter() {
let entry = entry.await?;
set.insert((
rcstr!("module"),
IntrospectableModule::new(Vc::upcast(*entry.module))
.to_resolved()
.await?,
));
set.insert((
rcstr!("intermediate asset"),
IntrospectableOutputAsset::new(get_intermediate_asset(
*entry.chunking_context,
Vc::upcast(*entry.module),
*entry.runtime_entries,
))
.to_resolved()
.await?,
));
}
Ok(Vc::cell(set))
}
}
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