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next_api/
routes_hashes_manifest.rs

1use anyhow::Result;
2use serde::Serialize;
3use turbo_rcstr::RcStr;
4use turbo_tasks::{FxIndexMap, FxIndexSet, ResolvedVc, TryFlatJoinIterExt, TryJoinIterExt, Vc};
5use turbo_tasks_fs::{FileContent, FileSystemPath};
6use turbo_tasks_hash::{DeterministicHash, HashAlgorithm, Xxh3Hash64Hasher, hash_xxh3_hash64};
7use turbopack_core::{
8    asset::{Asset, AssetContent},
9    module::{Module, Modules},
10    module_graph::{GraphTraversalAction, ModuleGraph},
11    output::{
12        ExpandOutputAssetsInput, OutputAsset, OutputAssets, OutputAssetsReference,
13        expand_output_assets,
14    },
15};
16
17use crate::{
18    project::Project,
19    route::{Endpoint, EndpointGroup, Endpoints},
20};
21
22#[turbo_tasks::value(shared)]
23pub struct EndpointHashes {
24    pub sources_hash: u64,
25    pub outputs_hash: u64,
26}
27
28impl EndpointHashes {
29    pub fn merge<'l>(iterator: impl Iterator<Item = (Option<RcStr>, &'l EndpointHashes)>) -> Self {
30        let mut sources_hasher = Xxh3Hash64Hasher::new();
31        let mut outputs_hasher = Xxh3Hash64Hasher::new();
32
33        for (key, hashes) in iterator {
34            key.deterministic_hash(&mut sources_hasher);
35            key.deterministic_hash(&mut outputs_hasher);
36            hashes.sources_hash.deterministic_hash(&mut sources_hasher);
37            hashes.outputs_hash.deterministic_hash(&mut outputs_hasher);
38        }
39
40        Self {
41            sources_hash: sources_hasher.finish(),
42            outputs_hash: outputs_hasher.finish(),
43        }
44    }
45}
46
47#[turbo_tasks::function]
48pub async fn endpoint_outputs(endpoint: Vc<Box<dyn Endpoint>>) -> Result<Vc<OutputAssets>> {
49    Ok(*endpoint.output().await?.output_assets)
50}
51
52#[turbo_tasks::function]
53pub async fn endpoints_outputs(endpoints: Vc<Endpoints>) -> Result<Vc<OutputAssets>> {
54    let endpoints = endpoints.await?;
55    let all_outputs = endpoints
56        .iter()
57        .map(async |endpoint| Ok(endpoint.output().await?.output_assets.await?))
58        .try_join()
59        .await?;
60    let set = all_outputs.into_iter().flatten().collect::<FxIndexSet<_>>();
61    Ok(Vc::cell(set.into_iter().collect()))
62}
63
64#[turbo_tasks::function]
65pub async fn outputs_hash(outputs: Vc<OutputAssets>) -> Result<Vc<u64>> {
66    let output_assets = expand_output_assets(
67        outputs
68            .await?
69            .into_iter()
70            .map(ExpandOutputAssetsInput::Asset),
71        true,
72    )
73    .await?;
74    let outputs_hashes = output_assets
75        .iter()
76        .map(|asset| asset.content().hash(HashAlgorithm::Xxh3Hash128Hex))
77        .try_join()
78        .await?;
79
80    Ok(Vc::cell(hash_xxh3_hash64(outputs_hashes)))
81}
82
83#[turbo_tasks::function]
84pub async fn endpoint_entry_modules(
85    base_module_graph: Vc<ModuleGraph>,
86    endpoint: Vc<Box<dyn Endpoint>>,
87) -> Result<Vc<Modules>> {
88    let entries = endpoint.entries().await?;
89    let additional_entries = endpoint.additional_entries(base_module_graph).await?;
90    let modules = entries
91        .iter()
92        .chain(additional_entries.iter())
93        .flat_map(|e| e.entries())
94        .collect::<FxIndexSet<_>>();
95    Ok(Vc::cell(modules.into_iter().collect()))
96}
97
98#[turbo_tasks::function]
99pub async fn endpoints_entry_modules(
100    base_module_graph: Vc<ModuleGraph>,
101    endpoints: Vc<Endpoints>,
102) -> Result<Vc<Modules>> {
103    let endpoints = endpoints.await?;
104    let entries_and_additional_entries = endpoints
105        .iter()
106        .map(async |endpoint| {
107            let entries = endpoint.entries();
108            let additional_entries = endpoint.additional_entries(base_module_graph);
109            Ok((entries.await?, additional_entries.await?))
110        })
111        .try_join()
112        .await?;
113    let modules = entries_and_additional_entries
114        .iter()
115        .flat_map(|(entries, additional_entries)| {
116            entries
117                .iter()
118                .chain(additional_entries.iter())
119                .flat_map(|e| e.entries())
120        })
121        .collect::<FxIndexSet<_>>();
122    Ok(Vc::cell(modules.into_iter().collect()))
123}
124
125#[turbo_tasks::function]
126pub async fn sources_hash(module_graph: Vc<ModuleGraph>, modules: Vc<Modules>) -> Result<Vc<u64>> {
127    let modules = modules.await?;
128
129    let mut all_modules = FxIndexSet::default();
130
131    let module_graph = module_graph.await?;
132
133    module_graph.traverse_nodes_dfs(
134        modules,
135        &mut all_modules,
136        |module, all_modules| {
137            all_modules.insert(*module);
138            Ok(GraphTraversalAction::Continue)
139        },
140        |_, _| Ok(()),
141    )?;
142
143    let sources = all_modules
144        .iter()
145        .map(|module| module.source())
146        .try_flat_join()
147        .await?
148        .into_iter()
149        .map(|source| source.content().hash(HashAlgorithm::Xxh3Hash128Hex))
150        .try_join()
151        .await?;
152
153    Ok(Vc::cell(hash_xxh3_hash64(sources)))
154}
155
156#[derive(Serialize)]
157struct RoutesHashesManifest<'l> {
158    pub routes: FxIndexMap<&'l str, EndpointHashStrings>,
159}
160
161#[derive(Serialize)]
162#[serde(rename_all = "camelCase")]
163pub struct EndpointHashStrings {
164    pub sources_hash: String,
165    pub outputs_hash: String,
166}
167
168#[turbo_tasks::value]
169pub struct RoutesHashesManifestAsset {
170    path: FileSystemPath,
171    project: ResolvedVc<Project>,
172}
173
174#[turbo_tasks::value_impl]
175impl RoutesHashesManifestAsset {
176    #[turbo_tasks::function]
177    pub fn new(path: FileSystemPath, project: ResolvedVc<Project>) -> Vc<Self> {
178        RoutesHashesManifestAsset { path, project }.cell()
179    }
180}
181
182#[turbo_tasks::value_impl]
183impl Asset for RoutesHashesManifestAsset {
184    #[turbo_tasks::function]
185    async fn content(&self) -> Result<Vc<AssetContent>> {
186        let module_graphs = self.project.whole_app_module_graphs().await?;
187        let base_module_graph = *module_graphs.base;
188        let full_module_graph = *module_graphs.full;
189
190        let mut entrypoint_hashes = FxIndexMap::default();
191
192        let entrypoint_groups = self.project.get_all_endpoint_groups(false).await?;
193
194        for (key, EndpointGroup { primary, .. }) in &entrypoint_groups {
195            let entry = if let &[entry] = &primary.as_slice() {
196                (
197                    sources_hash(
198                        full_module_graph,
199                        endpoint_entry_modules(base_module_graph, *entry.endpoint),
200                    ),
201                    outputs_hash(endpoint_outputs(*entry.endpoint)),
202                )
203            } else {
204                let endpoints = Vc::cell(primary.iter().map(|entry| entry.endpoint).collect());
205                (
206                    sources_hash(
207                        full_module_graph,
208                        endpoints_entry_modules(base_module_graph, endpoints),
209                    ),
210                    outputs_hash(endpoints_outputs(endpoints)),
211                )
212            };
213            entrypoint_hashes.insert(key.as_str(), entry);
214        }
215
216        let entrypoint_hashes_values = entrypoint_hashes
217            .values()
218            .map(async |(sources_hash, outputs_hash)| {
219                Ok((sources_hash.await?, outputs_hash.await?))
220            })
221            .try_join()
222            .await?;
223
224        let manifest = serde_json::to_string_pretty(&RoutesHashesManifest {
225            routes: entrypoint_hashes
226                .into_keys()
227                .zip(entrypoint_hashes_values)
228                .map(|(k, (sources_hash, outputs_hash))| {
229                    (
230                        k,
231                        EndpointHashStrings {
232                            sources_hash: format!("{:016x}", *sources_hash),
233                            outputs_hash: format!("{:016x}", *outputs_hash),
234                        },
235                    )
236                })
237                .collect(),
238        })?;
239        Ok(AssetContent::File(FileContent::Content(manifest.into()).resolved_cell()).cell())
240    }
241}
242
243#[turbo_tasks::value_impl]
244impl OutputAssetsReference for RoutesHashesManifestAsset {}
245
246#[turbo_tasks::value_impl]
247impl OutputAsset for RoutesHashesManifestAsset {
248    #[turbo_tasks::function]
249    fn path(&self) -> Vc<FileSystemPath> {
250        self.path.clone().cell()
251    }
252}
253
254#[turbo_tasks::function]
255pub async fn routes_hashes_manifest_asset_if_enabled(
256    project: ResolvedVc<Project>,
257) -> Result<Vc<OutputAssets>> {
258    let should_write = *project.should_write_routes_hashes_manifest().await?;
259    let assets = if should_write {
260        let path = project
261            .node_root()
262            .await?
263            .join("diagnostics/routes-hashes-manifest.json")?;
264        let asset = RoutesHashesManifestAsset::new(path, *project)
265            .to_resolved()
266            .await?;
267        vec![ResolvedVc::upcast(asset)]
268    } else {
269        vec![]
270    };
271    Ok(Vc::cell(assets))
272}