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use std::{borrow::Cow, collections::hash_map::Entry};

use anyhow::{Ok, Result};
use either::Either;
use next_core::{
    next_client_reference::{
        ClientReference, ClientReferenceGraphResult, ClientReferenceType, ServerEntries,
        find_server_entries,
    },
    next_dynamic::NextDynamicEntryModule,
    next_manifests::ActionLayer,
};
use rustc_hash::{FxHashMap, FxHashSet};
use tracing::Instrument;
use turbo_rcstr::RcStr;
use turbo_tasks::{
    CollectiblesSource, FxIndexMap, ReadRef, ResolvedVc, TryFlatJoinIterExt, TryJoinIterExt,
    ValueToString, Vc,
};
use turbo_tasks_fs::FileSystemPath;
use turbopack::css::{CssModuleAsset, ModuleCssAsset};
use turbopack_core::{
    context::AssetContext,
    issue::{Issue, IssueExt, IssueSeverity, IssueStage, OptionStyledString, StyledString},
    module::Module,
    module_graph::{GraphTraversalAction, ModuleGraph, SingleModuleGraph},
};

use crate::{
    client_references::{ClientManifestEntryType, ClientReferenceManifest, map_client_references},
    dynamic_imports::{DynamicImportEntries, DynamicImportEntriesMapType, map_next_dynamic},
    server_actions::{AllActions, AllModuleActions, map_server_actions, to_rsc_context},
};

#[turbo_tasks::value]
pub struct NextDynamicGraph {
    is_single_page: bool,
    graph: ResolvedVc<SingleModuleGraph>,
    /// list of NextDynamicEntryModules
    data: ResolvedVc<DynamicImportEntries>,
}

#[turbo_tasks::value(transparent)]
pub struct DynamicImportEntriesWithImporter(
    pub  Vec<(
        ResolvedVc<NextDynamicEntryModule>,
        Option<ClientReferenceType>,
    )>,
);

#[turbo_tasks::value_impl]
impl NextDynamicGraph {
    #[turbo_tasks::function]
    pub async fn new_with_entries(
        graph: ResolvedVc<SingleModuleGraph>,
        is_single_page: bool,
    ) -> Result<Vc<Self>> {
        let mapped = map_next_dynamic(*graph);

        Ok(NextDynamicGraph {
            is_single_page,
            graph,
            data: mapped.to_resolved().await?,
        }
        .cell())
    }

    #[turbo_tasks::function]
    pub async fn get_next_dynamic_imports_for_endpoint(
        &self,
        entry: ResolvedVc<Box<dyn Module>>,
    ) -> Result<Vc<DynamicImportEntriesWithImporter>> {
        let span = tracing::info_span!("collect next/dynamic imports for endpoint");
        async move {
            let data = &*self.data.await?;
            let graph = &*self.graph.await?;

            #[derive(Clone, PartialEq, Eq)]
            enum VisitState {
                Entry,
                InClientReference(ClientReferenceType),
            }

            let entries = if !self.is_single_page {
                if !graph.has_entry_module(entry) {
                    // the graph doesn't contain the entry, e.g. for the additional module graph
                    return Ok(Vc::cell(vec![]));
                }
                Either::Left(std::iter::once(entry))
            } else {
                Either::Right(graph.entry_modules())
            };

            let mut result = vec![];

            // module -> the client reference entry (if any)
            let mut state_map = FxHashMap::default();
            graph.traverse_edges_from_entries(entries, |parent_info, node| {
                let module = node.module;
                let Some((parent_node, _)) = parent_info else {
                    state_map.insert(module, VisitState::Entry);
                    return GraphTraversalAction::Continue;
                };
                let parent_module = parent_node.module;

                let module_type = data.get(&module);
                let parent_state = state_map.get(&parent_module).unwrap().clone();
                let parent_client_reference =
                    if let Some(DynamicImportEntriesMapType::ClientReference(module)) = module_type
                    {
                        Some(ClientReferenceType::EcmascriptClientReference(*module))
                    } else if let VisitState::InClientReference(ty) = parent_state {
                        Some(ty)
                    } else {
                        None
                    };

                match module_type {
                    Some(DynamicImportEntriesMapType::DynamicEntry(dynamic_entry)) => {
                        result.push((*dynamic_entry, parent_client_reference));

                        state_map.insert(module, parent_state);
                        GraphTraversalAction::Skip
                    }
                    Some(DynamicImportEntriesMapType::ClientReference(client_reference)) => {
                        state_map.insert(
                            module,
                            VisitState::InClientReference(
                                ClientReferenceType::EcmascriptClientReference(*client_reference),
                            ),
                        );
                        GraphTraversalAction::Continue
                    }
                    None => {
                        state_map.insert(module, parent_state);
                        GraphTraversalAction::Continue
                    }
                }
            })?;
            Ok(Vc::cell(result))
        }
        .instrument(span)
        .await
    }
}

#[turbo_tasks::value]
pub struct ServerActionsGraph {
    is_single_page: bool,
    graph: ResolvedVc<SingleModuleGraph>,
    /// (Layer, RSC or Browser module) -> list of actions
    data: ResolvedVc<AllModuleActions>,
}

#[turbo_tasks::value_impl]
impl ServerActionsGraph {
    #[turbo_tasks::function]
    pub async fn new_with_entries(
        graph: ResolvedVc<SingleModuleGraph>,
        is_single_page: bool,
    ) -> Result<Vc<Self>> {
        let mapped = map_server_actions(*graph);

        Ok(ServerActionsGraph {
            is_single_page,
            graph,
            data: mapped.to_resolved().await?,
        }
        .cell())
    }

    #[turbo_tasks::function]
    pub async fn get_server_actions_for_endpoint(
        &self,
        entry: ResolvedVc<Box<dyn Module>>,
        rsc_asset_context: Vc<Box<dyn AssetContext>>,
    ) -> Result<Vc<AllActions>> {
        let span = tracing::info_span!("collect server actions for endpoint");
        async move {
            let data = &*self.data.await?;
            let data = if self.is_single_page {
                // The graph contains the page (= `entry`) only, no need to filter.
                Cow::Borrowed(data)
            } else {
                // The graph contains the whole app, traverse and collect all reachable imports.
                let graph = &*self.graph.await?;

                if !graph.has_entry_module(entry) {
                    // the graph doesn't contain the entry, e.g. for the additional module graph
                    return Ok(Vc::cell(Default::default()));
                }

                let mut result = FxIndexMap::default();
                graph.traverse_from_entry(entry, |node| {
                    if let Some(node_data) = data.get(&node.module) {
                        result.insert(node.module, *node_data);
                    }
                })?;
                Cow::Owned(result)
            };

            let actions = data
                .iter()
                .map(|(module, (layer, actions))| async move {
                    let actions = actions.await?;
                    actions
                        .actions
                        .iter()
                        .map(async |(hash, name)| {
                            Ok((
                                hash.to_string(),
                                (
                                    *layer,
                                    name.to_string(),
                                    if *layer == ActionLayer::Rsc {
                                        *module
                                    } else {
                                        to_rsc_context(
                                            **module,
                                            &actions.entry_path,
                                            &actions.entry_query,
                                            rsc_asset_context,
                                        )
                                        .await?
                                    },
                                ),
                            ))
                        })
                        .try_join()
                        .await
                })
                .try_flat_join()
                .await?;
            Ok(Vc::cell(actions.into_iter().collect()))
        }
        .instrument(span)
        .await
    }
}

#[turbo_tasks::value]
pub struct ClientReferencesGraph {
    is_single_page: bool,
    graph: ResolvedVc<SingleModuleGraph>,
    /// List of client references (modules that entries into the client graph)
    data: ResolvedVc<ClientReferenceManifest>,
}

#[turbo_tasks::value_impl]
impl ClientReferencesGraph {
    #[turbo_tasks::function]
    pub async fn new_with_entries(
        graph: ResolvedVc<SingleModuleGraph>,
        is_single_page: bool,
    ) -> Result<Vc<Self>> {
        // TODO if is_single_page, then perform the graph traversal below in map_client_references
        // already, which saves us a traversal.
        let mapped = map_client_references(*graph);

        Ok(Self {
            is_single_page,
            graph,
            data: mapped.to_resolved().await?,
        }
        .cell())
    }

    #[turbo_tasks::function]
    async fn get_client_references_for_endpoint(
        &self,
        entry: ResolvedVc<Box<dyn Module>>,
    ) -> Result<Vc<ClientReferenceGraphResult>> {
        let span = tracing::info_span!("collect client references for endpoint");
        async move {
            let data = &*self.data.await?;
            let graph = &*self.graph.await?;

            let entries = if !self.is_single_page {
                if !graph.has_entry_module(entry) {
                    // the graph doesn't contain the entry, e.g. for the additional module graph
                    return Ok(ClientReferenceGraphResult::default().cell());
                }
                Either::Left(std::iter::once(entry))
            } else {
                Either::Right(graph.entry_modules())
            };

            // Because we care about 'evaluation order' we need to collect client references in the
            // post_order callbacks which is the same as evaluation order
            let mut client_references = Vec::new();
            let mut client_reference_modules = Vec::new();
            let mut server_components = FxHashSet::default();

            // Track how we reached each client reference.  This way if a client reference is
            // referenced by the root and by a server component we don't only associate it with the
            // server component.
            #[derive(PartialEq, Eq, Copy, Clone)]
            enum ParentType {
                ServerComponent,
                Page,
                Both,
            }
            impl ParentType {
                fn merge(left: Self, right: Self) -> Self {
                    if left == right {
                        left
                    } else {
                        // One is Both or one is ServerComponent and the other is Page, which means
                        // Both
                        Self::Both
                    }
                }
            }
            // Perform a DFS traversal to collect all client references and the set of server
            // components for each module.
            graph.traverse_edges_from_entries_dfs(
                entries,
                // state_map is `module -> ParentType` to track whether the module is reachable
                // directly from an entry point.
                &mut FxHashMap::default(),
                |parent_info, node, state_map| {
                    let module = node.module();
                    let module_type = data.manifest.get(&module);

                    let parent_type =
                        if let Some(ClientManifestEntryType::ServerComponent(_)) = module_type {
                            ParentType::ServerComponent
                        } else if let Some((parent_node, _)) = parent_info {
                            *state_map.get(&parent_node.module).unwrap()
                        } else {
                            // a root node
                            ParentType::Page
                        };

                    match state_map.entry(module) {
                        Entry::Occupied(mut occupied_entry) => {
                            let current = occupied_entry.get_mut();
                            let merged = ParentType::merge(*current, parent_type);
                            if merged != parent_type {
                                *current = merged;
                            }
                        }
                        Entry::Vacant(vacant_entry) => {
                            vacant_entry.insert(parent_type);
                        }
                    }

                    Ok(match module_type {
                        Some(
                            ClientManifestEntryType::EcmascriptClientReference { .. }
                            | ClientManifestEntryType::CssClientReference { .. },
                        ) => GraphTraversalAction::Skip,
                        _ => GraphTraversalAction::Continue,
                    })
                },
                |_, node, state_map| {
                    let module = node.module();
                    let Some(module_type) = data.manifest.get(&module) else {
                        return Ok(());
                    };

                    let ty = match module_type {
                        ClientManifestEntryType::EcmascriptClientReference {
                            module,
                            ssr_module: _,
                        } => ClientReferenceType::EcmascriptClientReference(*module),
                        ClientManifestEntryType::CssClientReference(module) => {
                            ClientReferenceType::CssClientReference(*module)
                        }
                        ClientManifestEntryType::ServerComponent(sc) => {
                            server_components.insert(*sc);
                            return Ok(());
                        }
                    };

                    if *state_map.get(&module).unwrap() == ParentType::ServerComponent {
                        // This is only reachable through server components, we need to wait to
                        // compute the client references until we have seen all server components
                        // reachable by this entrypoint, then we can intersect that with the set of
                        // server components that depend on this client reference
                        client_reference_modules.push((module, ty));
                    } else {
                        // Otherwise there is some path from the root directly to the reference,
                        // just associate it with the root.
                        client_references.push(ClientReference {
                            server_component: None,
                            ty,
                        })
                    }

                    Ok(())
                },
            )?;

            // Now compute all the parent components for each client reference module reachable from
            // server components
            client_references.extend(client_reference_modules.into_iter().flat_map(
                |(module, ty)| {
                    data.server_components_for_client_reference(module)
                        .filter(|sc| server_components.contains(sc))
                        .map(move |sc| ClientReference {
                            server_component: Some(sc),
                            ty,
                        })
                },
            ));

            Ok(ClientReferenceGraphResult {
                client_references: client_references.into_iter().collect(),
                server_utils: vec![],
                server_component_entries: vec![],
            }
            .cell())
        }
        .instrument(span)
        .await
    }
}

#[turbo_tasks::value(shared)]
struct CssGlobalImportIssue {
    parent_module: ResolvedVc<Box<dyn Module>>,
    module: ResolvedVc<Box<dyn Module>>,
}

impl CssGlobalImportIssue {
    fn new(
        parent_module: ResolvedVc<Box<dyn Module>>,
        module: ResolvedVc<Box<dyn Module>>,
    ) -> Self {
        Self {
            parent_module,
            module,
        }
    }
}

#[turbo_tasks::value_impl]
impl Issue for CssGlobalImportIssue {
    #[turbo_tasks::function]
    async fn title(&self) -> Vc<StyledString> {
        StyledString::Stack(vec![
            StyledString::Text("Failed to compile".into()),
            StyledString::Text(
                "Global CSS cannot be imported from files other than your Custom <App>. Due to \
                 the Global nature of stylesheets, and to avoid conflicts, Please move all \
                 first-party global CSS imports to pages/_app.js. Or convert the import to \
                 Component-Level CSS (CSS Modules)."
                    .into(),
            ),
            StyledString::Text("Read more: https://nextjs.org/docs/messages/css-global".into()),
        ])
        .cell()
    }

    #[turbo_tasks::function]
    async fn description(&self) -> Result<Vc<OptionStyledString>> {
        let parent_path = self.parent_module.ident().path().owned().await?;
        let module_path = self.module.ident().path().owned().await?;
        let relative_import_location = parent_path.parent();

        let import_path = match relative_import_location.get_relative_path_to(&module_path) {
            Some(path) => path,
            None => module_path.path.clone(),
        };
        let cleaned_import_path =
            if import_path.ends_with(".scss.css") || import_path.ends_with(".sass.css") {
                RcStr::from(import_path.trim_end_matches(".css"))
            } else {
                import_path
            };

        Ok(Vc::cell(Some(
            StyledString::Stack(vec![
                StyledString::Text(format!("Location: {}", parent_path.path).into()),
                StyledString::Text(format!("Import path: {cleaned_import_path}",).into()),
            ])
            .resolved_cell(),
        )))
    }

    fn severity(&self) -> IssueSeverity {
        IssueSeverity::Error
    }

    #[turbo_tasks::function]
    fn file_path(&self) -> Vc<FileSystemPath> {
        self.parent_module.ident().path()
    }

    #[turbo_tasks::function]
    fn stage(&self) -> Vc<IssueStage> {
        IssueStage::ProcessModule.into()
    }

    // TODO(PACK-4879): compute the source information by following the module references
}

type FxModuleNameMap = FxIndexMap<ResolvedVc<Box<dyn Module>>, RcStr>;

#[turbo_tasks::value(transparent)]
struct ModuleNameMap(pub FxModuleNameMap);

#[turbo_tasks::function]
async fn validate_pages_css_imports(
    graph: Vc<SingleModuleGraph>,
    is_single_page: bool,
    entry: Vc<Box<dyn Module>>,
    app_module: ResolvedVc<Box<dyn Module>>,
    module_name_map: ResolvedVc<ModuleNameMap>,
) -> Result<()> {
    let graph = &*graph.await?;
    let entry = entry.to_resolved().await?;
    let module_name_map = module_name_map.await?;

    let entries = if !is_single_page {
        if !graph.has_entry_module(entry) {
            // the graph doesn't contain the entry, e.g. for the additional module graph
            return Ok(());
        }
        Either::Left(std::iter::once(entry))
    } else {
        Either::Right(graph.entry_modules())
    };

    graph.traverse_edges_from_entries(entries, |parent_info, node| {
        let module = node.module;

        // If the module being imported isn't a global css module, there is nothing to validate.
        let module_is_global_css =
            ResolvedVc::try_downcast_type::<CssModuleAsset>(module).is_some();

        if !module_is_global_css {
            return GraphTraversalAction::Continue;
        }

        // We allow imports of global CSS files which are inside of `node_modules`.
        let module_name_contains_node_modules = module_name_map
            .get(&module)
            .is_some_and(|s| s.contains("node_modules"));

        if module_name_contains_node_modules {
            return GraphTraversalAction::Continue;
        }

        // If we're at a root node, there is nothing importing this module and we can skip
        // any further validations.
        let Some((parent_node, _)) = parent_info else {
            return GraphTraversalAction::Continue;
        };

        let parent_module = parent_node.module;
        let parent_is_css_module = ResolvedVc::try_downcast_type::<ModuleCssAsset>(parent_module)
            .is_some()
            || ResolvedVc::try_downcast_type::<CssModuleAsset>(parent_module).is_some();

        // We also always allow .module css/scss/sass files to import global css files as well.
        if parent_is_css_module {
            return GraphTraversalAction::Continue;
        }

        // If all of the above invariants have been checked, we look to see if the parent module is
        // the same as the app module. If it isn't we know it isn't a valid place to import global
        // css.
        if parent_module != app_module {
            CssGlobalImportIssue::new(parent_module, module)
                .resolved_cell()
                .emit();
        }

        GraphTraversalAction::Continue
    })?;

    Ok(())
}

/// The consumers of this shouldn't need to care about the exact contents since it's abstracted away
/// by the accessor functions, but
/// - In dev, contains information about the modules of the current endpoint only
/// - In prod, there is a single `GlobalBuildInformation` for the whole app, containing all pages
#[turbo_tasks::value]
pub struct GlobalBuildInformation {
    next_dynamic: Vec<ResolvedVc<NextDynamicGraph>>,
    server_actions: Vec<ResolvedVc<ServerActionsGraph>>,
    client_references: Vec<ResolvedVc<ClientReferencesGraph>>,
    // Data for some more ad-hoc operations
    bare_graphs: ResolvedVc<ModuleGraph>,
    is_single_page: bool,
}

#[turbo_tasks::value_impl]
impl GlobalBuildInformation {
    #[turbo_tasks::function]
    pub async fn new(graphs: Vc<ModuleGraph>, is_single_page: bool) -> Result<Vc<Self>> {
        let graphs_ref = &graphs.await?.graphs;
        let next_dynamic = async {
            graphs_ref
                .iter()
                .map(|graph| {
                    NextDynamicGraph::new_with_entries(**graph, is_single_page).to_resolved()
                })
                .try_join()
                .await
        }
        .instrument(tracing::info_span!("generating next/dynamic graphs"));

        let server_actions = async {
            graphs_ref
                .iter()
                .map(|graph| {
                    ServerActionsGraph::new_with_entries(**graph, is_single_page).to_resolved()
                })
                .try_join()
                .await
        }
        .instrument(tracing::info_span!("generating server actions graphs"));

        let client_references = async {
            graphs_ref
                .iter()
                .map(|graph| {
                    ClientReferencesGraph::new_with_entries(**graph, is_single_page).to_resolved()
                })
                .try_join()
                .await
        }
        .instrument(tracing::info_span!("generating client references graphs"));

        let (next_dynamic, server_actions, client_references) =
            futures::join!(next_dynamic, server_actions, client_references);

        Ok(Self {
            next_dynamic: next_dynamic?,
            server_actions: server_actions?,
            client_references: client_references?,
            bare_graphs: graphs.to_resolved().await?,
            is_single_page,
        }
        .cell())
    }

    /// Returns the next/dynamic-ally imported (client) modules (from RSC and SSR modules) for the
    /// given endpoint.
    #[turbo_tasks::function]
    pub async fn get_next_dynamic_imports_for_endpoint(
        &self,
        entry: Vc<Box<dyn Module>>,
    ) -> Result<Vc<DynamicImportEntriesWithImporter>> {
        let span = tracing::info_span!("collect all next/dynamic imports for endpoint");
        async move {
            if let [graph] = &self.next_dynamic[..] {
                // Just a single graph, no need to merge results
                Ok(graph.get_next_dynamic_imports_for_endpoint(entry))
            } else {
                let result = self
                    .next_dynamic
                    .iter()
                    .map(|graph| async move {
                        Ok(graph
                            .get_next_dynamic_imports_for_endpoint(entry)
                            .await?
                            .into_iter()
                            .map(|(k, v)| (*k, *v))
                            // TODO remove this collect and return an iterator instead
                            .collect::<Vec<_>>())
                    })
                    .try_flat_join()
                    .await?;

                Ok(Vc::cell(result.into_iter().collect()))
            }
        }
        .instrument(span)
        .await
    }

    /// Returns the server actions for the given page.
    #[turbo_tasks::function]
    pub async fn get_server_actions_for_endpoint(
        &self,
        entry: Vc<Box<dyn Module>>,
        rsc_asset_context: Vc<Box<dyn AssetContext>>,
    ) -> Result<Vc<AllActions>> {
        let span = tracing::info_span!("collect all server actions for endpoint");
        async move {
            if let [graph] = &self.server_actions[..] {
                // Just a single graph, no need to merge results
                Ok(graph.get_server_actions_for_endpoint(entry, rsc_asset_context))
            } else {
                let result = self
                    .server_actions
                    .iter()
                    .map(|graph| async move {
                        graph
                            .get_server_actions_for_endpoint(entry, rsc_asset_context)
                            .owned()
                            .await
                    })
                    .try_flat_join()
                    .await?;

                Ok(Vc::cell(result.into_iter().collect()))
            }
        }
        .instrument(span)
        .await
    }

    /// Returns the client references for the given page.
    #[turbo_tasks::function]
    pub async fn get_client_references_for_endpoint(
        &self,
        entry: Vc<Box<dyn Module>>,
        has_layout_segments: bool,
        include_traced: bool,
    ) -> Result<Vc<ClientReferenceGraphResult>> {
        let span = tracing::info_span!("collect all client references for endpoint");
        async move {
            let mut result = if let [graph] = &self.client_references[..] {
                // Just a single graph, no need to merge results
                graph
                    .get_client_references_for_endpoint(entry)
                    .owned()
                    .await?
            } else {
                let results = self
                    .client_references
                    .iter()
                    .map(|graph| graph.get_client_references_for_endpoint(entry))
                    .try_join()
                    .await?;

                let mut iter = results.into_iter();
                let mut result = ReadRef::into_owned(iter.next().unwrap());
                for r in iter {
                    result.extend(&r);
                }
                result
            };

            // TODO(luke.sandberg): at least in the whole_app_module_graph case we should be able to
            // collect server components and server utilities during the above traversals in the
            // correct order.  `find_server_entries returns them in reverse topological order (root
            // layout first, page last) but the above traversals find them in DFS post
            // order which means we would need to reverse it.
            // For server_utils the order is irrelevant.
            if has_layout_segments {
                // Do this separately for now, because the graph traversal order messes up the order
                // of the server_component_entries.
                let ServerEntries {
                    server_utils,
                    server_component_entries,
                } = &*find_server_entries(entry, include_traced).await?;
                result.server_utils = server_utils.clone();
                result.server_component_entries = server_component_entries.clone();
            }

            Ok(result.cell())
        }
        .instrument(span)
        .await
    }

    #[turbo_tasks::function]
    /// Validates that the global CSS/SCSS/SASS imports are only valid imports with the following
    /// rules:
    /// * The import is made from a `node_modules` package
    /// * The import is made from a `.module.css` file
    /// * The import is made from the `pages/_app.js`, or equivalent file.
    pub async fn validate_pages_css_imports(
        &self,
        entry: Vc<Box<dyn Module>>,
        app_module: Vc<Box<dyn Module>>,
    ) -> Result<()> {
        let span = tracing::info_span!("validate pages css imports");
        async move {
            let graphs = &self.bare_graphs.await?.graphs;

            // We need to collect the module names here to pass into the
            // `validate_pages_css_imports` function. This is because the function is
            // called for each graph, and we need to know the module names of the parent
            // modules to determine if the import is valid. We can't do this in the
            // called function because it's within a closure that can't resolve turbo tasks.
            let graph_to_module_ident_tuples = async |graph: &ResolvedVc<SingleModuleGraph>| {
                graph
                    .await?
                    .graph
                    .node_weights()
                    .map(async |n| Ok((n.module(), n.module().ident().to_string().owned().await?)))
                    .try_join()
                    .await
            };

            let identifier_map = graphs
                .iter()
                .map(graph_to_module_ident_tuples)
                .try_join()
                .await?
                .into_iter()
                .flatten()
                .collect::<FxIndexMap<_, _>>();
            let identifier_map = ModuleNameMap(identifier_map).cell();

            graphs
                .iter()
                .map(|graph| {
                    validate_pages_css_imports(
                        **graph,
                        self.is_single_page,
                        entry,
                        app_module,
                        identifier_map,
                    )
                    .as_side_effect()
                })
                .try_join()
                .await?;

            Ok(())
        }
        .instrument(span)
        .await
    }
}

#[turbo_tasks::function(operation)]
fn get_global_information_for_endpoint_inner_operation(
    module_graph: ResolvedVc<ModuleGraph>,
    is_single_page: bool,
) -> Vc<GlobalBuildInformation> {
    GlobalBuildInformation::new(*module_graph, is_single_page)
}

/// Generates a [GlobalBuildInformation] for the given project and endpoint containing information
/// that is either global (module ids, chunking) or computed globally as a performance optimization
/// (client references, etc).
#[turbo_tasks::function]
pub async fn get_global_information_for_endpoint(
    module_graph: ResolvedVc<ModuleGraph>,
    is_single_page: bool,
) -> Result<Vc<GlobalBuildInformation>> {
    // TODO get rid of this function once everything inside of
    // `get_global_information_for_endpoint_inner` calls `take_collectibles()` when needed
    let result_op =
        get_global_information_for_endpoint_inner_operation(module_graph, is_single_page);
    let result_vc = if !is_single_page {
        let result_vc = result_op.resolve_strongly_consistent().await?;
        let _issues = result_op.take_collectibles::<Box<dyn Issue>>();
        *result_vc
    } else {
        result_op.connect()
    };
    Ok(result_vc)
}