Turbopack: add edge support for pages apis (#54449)

### What? * add support for middleware manifest and edge adapter for pages API routes * improve the error reporting a tiny bit ### Why? ### How? Closes WEB-1428
2023-08-25 09:11:31 +02:00 · 2023-08-25 09:11:31 +02:00 · 4d6febf426
commit 4d6febf426
parent dbac7552eb
7 changed files with 253 additions and 731 deletions
--- a/packages/next-swc/crates/next-api/src/pages.rs
+++ b/packages/next-swc/crates/next-api/src/pages.rs
@ -9,7 +9,11 @@ use next_core::{
        get_client_runtime_entries, ClientContextType, RuntimeEntries,
    },
    next_dynamic::NextDynamicTransition,
-    next_manifests::{BuildManifest, PagesManifest},
+    next_edge::route_regex::get_named_middleware_regex,
+    next_manifests::{
+        BuildManifest, EdgeFunctionDefinition, MiddlewareMatcher, MiddlewaresManifestV2,
+        PagesManifest,
+    },
    next_pages::create_page_ssr_entry_module,
    next_server::{
        get_server_module_options_context, get_server_resolve_options_context,
@ -22,9 +26,13 @@ use next_core::{
    PageLoaderAsset,
 };
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{trace::TraceRawVcs, Completion, TaskInput, TryJoinIterExt, Value, Vc};
+use turbo_tasks::{
+    trace::TraceRawVcs, Completion, TaskInput, TryFlatJoinIterExt, TryJoinIterExt, Value, Vc,
+};
 use turbopack_binding::{
-    turbo::tasks_fs::{File, FileSystem, FileSystemPath, FileSystemPathOption, VirtualFileSystem},
+    turbo::tasks_fs::{
+        File, FileContent, FileSystem, FileSystemPath, FileSystemPathOption, VirtualFileSystem,
+    },
    turbopack::{
        build::BuildChunkingContext,
        core::{
@ -601,11 +609,18 @@ impl PageEndpoint {
                Vc::upcast(edge_module_context),
                self.source(),
                this.original_name,
+                config.runtime,
            );

+            let mut evaluatable_assets = edge_runtime_entries.await?.clone_value();
+            let Some(evaluatable) = Vc::try_resolve_sidecast(ssr_module).await? else {
+                bail!("Entry module must be evaluatable");
+            };
+            evaluatable_assets.push(evaluatable);
+
            let edge_files = edge_chunking_context.evaluated_chunk_group(
                ssr_module.as_root_chunk(Vc::upcast(edge_chunking_context)),
-                edge_runtime_entries,
+                Vc::cell(evaluatable_assets),
            );

            Ok(SsrChunk::Edge { files: edge_files }.cell())
@ -617,6 +632,7 @@ impl PageEndpoint {
                Vc::upcast(module_context),
                self.source(),
                this.original_name,
+                config.runtime,
            );

            let asset_path = get_asset_path_from_pathname(&this.pathname.await?, ".js");
@ -801,7 +817,64 @@ impl PageEndpoint {
                }
            }
            SsrChunk::Edge { files } => {
-                server_assets.extend(files.await?.iter().copied());
+                let node_root = this.pages_project.project().node_root();
+                let files_value = files.await?;
+                if let Some(&file) = files_value.first() {
+                    let pages_manifest = self.pages_manifest(file);
+                    server_assets.push(pages_manifest);
+                }
+                server_assets.extend(files_value.iter().copied());
+
+                let node_root_value = node_root.await?;
+                let files_paths_from_root: Vec<String> = files_value
+                    .iter()
+                    .map(move |&file| {
+                        let node_root_value = node_root_value.clone();
+                        async move {
+                            Ok(node_root_value
+                                .get_path_to(&*file.ident().path().await?)
+                                .map(|path| path.to_string()))
+                        }
+                    })
+                    .try_flat_join()
+                    .await?;
+
+                let pathname = this.pathname.await?;
+                let named_regex = get_named_middleware_regex(&pathname);
+                let matchers = MiddlewareMatcher {
+                    regexp: named_regex,
+                    original_source: pathname.to_string(),
+                    ..Default::default()
+                };
+                let original_name = this.original_name.await?;
+                let edge_function_definition = EdgeFunctionDefinition {
+                    files: files_paths_from_root,
+                    name: original_name.to_string(),
+                    page: original_name.to_string(),
+                    regions: None,
+                    matchers: vec![matchers],
+                    ..Default::default()
+                };
+                let middleware_manifest_v2 = MiddlewaresManifestV2 {
+                    sorted_middleware: vec![original_name.to_string()],
+                    middleware: Default::default(),
+                    functions: [(original_name.to_string(), edge_function_definition)]
+                        .into_iter()
+                        .collect(),
+                };
+                let middleware_manifest_v2 = Vc::upcast(VirtualOutputAsset::new(
+                    node_root.join(format!(
+                        "server/pages{original_name}/middleware-manifest.json"
+                    )),
+                    AssetContent::file(
+                        FileContent::Content(File::from(serde_json::to_string_pretty(
+                            &middleware_manifest_v2,
+                        )?))
+                        .cell(),
+                    ),
+                ));
+                server_assets.push(middleware_manifest_v2);
+
                PageEndpointOutput::Edge {
                    files,
                    server_assets: Vc::cell(server_assets),
--- a/packages/next-swc/crates/next-build/src/next_pages/page_entries.rs
+++ b/packages/next-swc/crates/next-build/src/next_pages/page_entries.rs
@ -17,7 +17,9 @@ use next_core::{
    pages_structure::{
        find_pages_structure, PagesDirectoryStructure, PagesStructure, PagesStructureItem,
    },
-    pathname_for_path, PathType,
+    pathname_for_path,
+    util::NextRuntime,
+    PathType,
 };
 use turbo_tasks::Vc;
 use turbopack_binding::{
@ -343,6 +345,7 @@ async fn get_page_entry_for_file(
        ssr_module_context,
        source,
        Vc::cell(original_name),
+        NextRuntime::NodeJs,
    );

    let client_module = create_page_loader_entry_module(client_module_context, source, pathname);
--- a/packages/next-swc/crates/next-core/src/next_pages/page_entry.rs
+++ b/packages/next-swc/crates/next-core/src/next_pages/page_entry.rs
@ -2,6 +2,7 @@ use std::io::Write;

 use anyhow::{bail, Result};
 use indexmap::indexmap;
+use indoc::writedoc;
 use turbo_tasks::Vc;
 use turbo_tasks_fs::{rope::Rope, FileSystemPath};
 use turbopack_binding::{
@ -13,6 +14,7 @@ use turbopack_binding::{
        core::{
            asset::AssetContent,
            context::AssetContext,
+            module::Module,
            reference_type::{EntryReferenceSubType, ReferenceType},
            source::Source,
            virtual_source::VirtualSource,
@ -21,7 +23,7 @@ use turbopack_binding::{
    },
 };

-use crate::util::{load_next_js_template, virtual_next_js_template_path};
+use crate::util::{load_next_js_template, virtual_next_js_template_path, NextRuntime};

 #[turbo_tasks::function]
 pub async fn create_page_ssr_entry_module(
@ -31,6 +33,7 @@ pub async fn create_page_ssr_entry_module(
    ssr_module_context: Vc<Box<dyn AssetContext>>,
    source: Vc<Box<dyn Source>>,
    next_original_name: Vc<String>,
+    runtime: NextRuntime,
 ) -> Result<Vc<Box<dyn EcmascriptChunkPlaceable>>> {
    let definition_page = next_original_name.await?;
    let definition_pathname = pathname.await?;
@ -39,15 +42,19 @@ pub async fn create_page_ssr_entry_module(

    let reference_type = reference_type.into_value();

-    let template_file = match reference_type {
-        ReferenceType::Entry(EntryReferenceSubType::Page) => {
+    let template_file = match (&reference_type, runtime) {
+        (ReferenceType::Entry(EntryReferenceSubType::Page), _) => {
            // Load the Page entry file.
            "build/webpack/loaders/next-route-loader/templates/pages.js"
        }
-        ReferenceType::Entry(EntryReferenceSubType::PagesApi) => {
+        (ReferenceType::Entry(EntryReferenceSubType::PagesApi), NextRuntime::NodeJs) => {
            // Load the Pages API entry file.
            "build/webpack/loaders/next-route-loader/templates/pages-api.js"
        }
+        (ReferenceType::Entry(EntryReferenceSubType::PagesApi), NextRuntime::Edge) => {
+            // Load the Pages API entry file.
+            "build/webpack/loaders/next-route-loader/templates/pages-edge-api.js"
+        }
        _ => bail!("Invalid path type"),
    };

@ -106,13 +113,22 @@ pub async fn create_page_ssr_entry_module(

    let source = VirtualSource::new(template_path, AssetContent::file(file.into()));

-    let ssr_module = ssr_module_context.process(
+    let mut ssr_module = ssr_module_context.process(
        Vc::upcast(source),
        Value::new(ReferenceType::Internal(Vc::cell(indexmap! {
            "VAR_USERLAND".to_string() => ssr_module,
        }))),
    );

+    if matches!(runtime, NextRuntime::Edge) {
+        ssr_module = wrap_edge_entry(
+            ssr_module_context,
+            project_root,
+            ssr_module,
+            definition_page.to_string(),
+        );
+    }
+
    let Some(ssr_module) =
        Vc::try_resolve_downcast::<Box<dyn EcmascriptChunkPlaceable>>(ssr_module).await?
    else {
@ -121,3 +137,37 @@ pub async fn create_page_ssr_entry_module(

    Ok(ssr_module)
 }
+
+#[turbo_tasks::function]
+pub async fn wrap_edge_entry(
+    context: Vc<Box<dyn AssetContext>>,
+    project_root: Vc<FileSystemPath>,
+    entry: Vc<Box<dyn Module>>,
+    original_name: String,
+) -> Result<Vc<Box<dyn Module>>> {
+    let mut source = RopeBuilder::default();
+    writedoc!(
+        source,
+        r#"
+            import * as module from "MODULE"
+
+            self._ENTRIES ||= {{}}
+            self._ENTRIES[{}] = module
+        "#,
+        StringifyJs(&format_args!("middleware_{}", original_name))
+    )?;
+    let file = File::from(source.build());
+    // TODO(alexkirsz) Figure out how to name this virtual asset.
+    let virtual_source = VirtualSource::new(
+        project_root.join("edge-wrapper.js".to_string()),
+        AssetContent::file(file.into()),
+    );
+    let inner_assets = indexmap! {
+        "MODULE".to_string() => entry
+    };
+
+    Ok(context.process(
+        Vc::upcast(virtual_source),
+        Value::new(ReferenceType::Internal(Vc::cell(inner_assets))),
+    ))
+}
--- a/packages/next-swc/crates/next-core/src/util.rs
+++ b/packages/next-swc/crates/next-core/src/util.rs
@ -113,6 +113,7 @@ pub async fn foreign_code_context_condition(
    Hash,
    PartialOrd,
    Ord,
+    TaskInput,
 )]
 #[serde(rename_all = "lowercase")]
 pub enum NextRuntime {
--- a/packages/next/src/build/webpack/loaders/next-route-loader/templates/pages-edge-api.ts
+++ b/packages/next/src/build/webpack/loaders/next-route-loader/templates/pages-edge-api.ts
@ -0,0 +1,27 @@
+import '../../../../../server/web/globals'
+import type { AdapterOptions } from '../../../../../server/web/adapter'
+import { adapter } from '../../../../../server/web/adapter'
+import { IncrementalCache } from '../../../../..//server/lib/incremental-cache'
+
+// Import the userland code.
+// @ts-expect-error - replaced by webpack/turbopack loader
+import handler from 'VAR_USERLAND'
+
+const page = 'VAR_DEFINITION_PAGE'
+
+if (typeof handler !== 'function') {
+  throw new Error(
+    `The Edge Function "pages${page}" must export a \`default\` function`
+  )
+}
+
+export default function (
+  opts: Omit<AdapterOptions, 'IncrementalCache' | 'page' | 'handler'>
+) {
+  return adapter({
+    ...opts,
+    IncrementalCache,
+    page: 'VAR_DEFINITION_PATHNAME',
+    handler,
+  })
+}
--- a/packages/next/src/server/lib/router-utils/setup-dev.ts
+++ b/packages/next/src/server/lib/router-utils/setup-dev.ts
@ -216,6 +216,8 @@ async function startWatcher(opts: SetupOpts) {
    const appPathsManifests = new Map<string, PagesManifest>()
    const middlewareManifests = new Map<string, MiddlewareManifest>()

+    const issues = new Map<string, Set<string>>()
+
    function mergeBuildManifests(manifests: Iterable<BuildManifest>) {
      const manifest: Partial<BuildManifest> & Pick<BuildManifest, 'pages'> = {
        pages: {
@ -273,6 +275,7 @@ async function startWatcher(opts: SetupOpts) {
    }

    async function processResult(
+      key: string,
      result: TurbopackResult<WrittenEndpoint> | undefined
    ): Promise<TurbopackResult<WrittenEndpoint> | undefined> {
      if (result) {
@ -291,13 +294,32 @@ async function startWatcher(opts: SetupOpts) {
            ])
        )

+        const oldSet = issues.get(key) ?? new Set()
+        const newSet = new Set<string>()
+
        for (const issue of result.issues) {
          // TODO better formatting
          if (issue.severity !== 'error' && issue.severity !== 'fatal') continue
-          console.error(
-            `⚠ ${issue.severity} - ${issue.filePath}\n${issue.title}\n${issue.description}\n\n`
-          )
+          const issueKey = `${issue.severity} - ${issue.filePath} - ${issue.title}\n${issue.description}\n\n`
+          if (!oldSet.has(issueKey)) {
+            console.error(
+              `  ⚠ ${key} ${issue.severity} - ${
+                issue.filePath
+              }\n    ${issue.title.replace(
+                /\n/g,
+                '\n    '
+              )}\n    ${issue.description.replace(/\n/g, '\n    ')}\n\n`
+            )
+          }
+          newSet.add(issueKey)
        }
+        for (const issue of oldSet) {
+          if (!newSet.has(issue)) {
+            console.error(`✅ ${key} fixed ${issue}`)
+          }
+        }
+
+        issues.set(key, newSet)
      }
      return result
    }
@ -537,14 +559,23 @@ async function startWatcher(opts: SetupOpts) {
            }

            if (page === '/_error') {
-              await processResult(await globalEntries.app?.writeToDisk())
+              await processResult(
+                '_app',
+                await globalEntries.app?.writeToDisk()
+              )
              await loadBuildManifest('_app')
              await loadPagesManifest('_app')

-              await processResult(await globalEntries.document?.writeToDisk())
+              await processResult(
+                '_document',
+                await globalEntries.document?.writeToDisk()
+              )
              await loadPagesManifest('_document')

-              await processResult(await globalEntries.error?.writeToDisk())
+              await processResult(
+                page,
+                await globalEntries.error?.writeToDisk()
+              )
              await loadBuildManifest('_error')
              await loadPagesManifest('_error')

@ -567,7 +598,44 @@ async function startWatcher(opts: SetupOpts) {
            }

            switch (route.type) {
-              case 'page':
+              case 'page': {
+                if (ensureOpts.isApp) {
+                  throw new Error(
+                    `mis-matched route type: isApp && page for ${page}`
+                  )
+                }
+
+                await processResult(
+                  '_app',
+                  await globalEntries.app?.writeToDisk()
+                )
+                await loadBuildManifest('_app')
+                await loadPagesManifest('_app')
+
+                await processResult(
+                  '_document',
+                  await globalEntries.document?.writeToDisk()
+                )
+                await loadPagesManifest('_document')
+
+                const writtenEndpoint = await processResult(
+                  page,
+                  await route.htmlEndpoint.writeToDisk()
+                )
+
+                const type = writtenEndpoint?.type
+
+                await loadBuildManifest(page)
+                await loadPagesManifest(page)
+                if (type === 'edge') await loadMiddlewareManifest(page, false)
+
+                await writeBuildManifest()
+                await writePagesManifest()
+                if (type === 'edge') await writeMiddlewareManifest()
+                await writeOtherManifests()
+
+                break
+              }
              case 'page-api': {
                if (ensureOpts.isApp) {
                  throw new Error(
@ -575,48 +643,27 @@ async function startWatcher(opts: SetupOpts) {
                  )
                }

-                await processResult(await globalEntries.app?.writeToDisk())
-                await loadBuildManifest('_app')
-                await loadPagesManifest('_app')
+                const writtenEndpoint = await processResult(
+                  page,
+                  await route.endpoint.writeToDisk()
+                )

-                await processResult(await globalEntries.document?.writeToDisk())
-                await loadPagesManifest('_document')
+                const type = writtenEndpoint?.type

-                const writtenEndpoint =
-                  route.type === 'page-api'
-                    ? await processResult(await route.endpoint.writeToDisk())
-                    : await processResult(
-                        await route.htmlEndpoint.writeToDisk()
-                      )
-
-                if (route.type === 'page') {
-                  await loadBuildManifest(page)
-                }
                await loadPagesManifest(page)
+                if (type === 'edge') await loadMiddlewareManifest(page, false)

-                switch (writtenEndpoint!.type) {
-                  case 'nodejs': {
-                    break
-                  }
-                  case 'edge': {
-                    throw new Error('edge is not implemented yet')
-                  }
-                  default: {
-                    throw new Error(
-                      `unknown endpoint type ${(writtenEndpoint as any).type}`
-                    )
-                  }
-                }
-
-                await writeBuildManifest()
                await writePagesManifest()
-                await writeMiddlewareManifest()
+                if (type === 'edge') await writeMiddlewareManifest()
                await writeOtherManifests()

                break
              }
              case 'app-page': {
-                await processResult(await route.htmlEndpoint.writeToDisk())
+                await processResult(
+                  page,
+                  await route.htmlEndpoint.writeToDisk()
+                )

                await loadAppBuildManifest(page)
                await loadBuildManifest(page, true)
@ -632,7 +679,7 @@ async function startWatcher(opts: SetupOpts) {
              }
              case 'app-route': {
                const type = (
-                  await processResult(await route.endpoint.writeToDisk())
+                  await processResult(page, await route.endpoint.writeToDisk())
                )?.type

                await loadAppPathManifest(page, true)
--- a/test/development/basic/snapshots/next-rs-api.test.ts.snap
+++ b/test/development/basic/snapshots/next-rs-api.test.ts.snap
@ -30,686 +30,7 @@ exports[`next.rs api should allow to write pages Node.js page to disk: issues 1`

 exports[`next.rs api should allow to write pages edge api to disk: diagnostics 1`] = `Array []`;

-exports[`next.rs api should allow to write pages edge api to disk: issues 1`] = `
-Array [
-  Object {
-    "category": "resolve",
-    "description": "unable to resolve module \\"buffer\\"",
-    "detail": "It was not possible to find the requested file.
-Parsed request as written in source code: module \\"buffer\\"
-Path where resolving has started: [project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js
-Type of request: commonjs request
-Import map: No import map entry
-",
-    "documentationLink": "",
-    "filePath": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-    "severity": "error",
-    "source": Object {
-      "end": Object {
-        "column": 945,
-        "line": 10,
-      },
-      "source": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-      "start": Object {
-        "column": 928,
-        "line": 10,
-      },
-    },
-    "subIssues": Array [],
-    "title": "Error resolving commonjs request",
-  },
-  Object {
-    "category": "resolve",
-    "description": "unable to resolve module \\"buffer\\"",
-    "detail": "It was not possible to find the requested file.
-Parsed request as written in source code: module \\"buffer\\"
-Path where resolving has started: [project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js
-Type of request: commonjs request
-Import map: No import map entry
-",
-    "documentationLink": "",
-    "filePath": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-    "severity": "error",
-    "source": Object {
-      "end": Object {
-        "column": 945,
-        "line": 10,
-      },
-      "source": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-      "start": Object {
-        "column": 928,
-        "line": 10,
-      },
-    },
-    "subIssues": Array [],
-    "title": "Error resolving commonjs request",
-  },
-  Object {
-    "category": "resolve",
-    "description": "unable to resolve module \\"crypto\\"",
-    "detail": "It was not possible to find the requested file.
-Parsed request as written in source code: module \\"crypto\\"
-Path where resolving has started: [project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js
-Type of request: commonjs request
-Import map: No import map entry
-",
-    "documentationLink": "",
-    "filePath": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-    "severity": "error",
-    "source": Object {
-      "end": Object {
-        "column": 995,
-        "line": 10,
-      },
-      "source": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-      "start": Object {
-        "column": 978,
-        "line": 10,
-      },
-    },
-    "subIssues": Array [],
-    "title": "Error resolving commonjs request",
-  },
-  Object {
-    "category": "resolve",
-    "description": "unable to resolve module \\"crypto\\"",
-    "detail": "It was not possible to find the requested file.
-Parsed request as written in source code: module \\"crypto\\"
-Path where resolving has started: [project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js
-Type of request: commonjs request
-Import map: No import map entry
-",
-    "documentationLink": "",
-    "filePath": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-    "severity": "error",
-    "source": Object {
-      "end": Object {
-        "column": 995,
-        "line": 10,
-      },
-      "source": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-      "start": Object {
-        "column": 978,
-        "line": 10,
-      },
-    },
-    "subIssues": Array [],
-    "title": "Error resolving commonjs request",
-  },
-  Object {
-    "category": "resolve",
-    "description": "unable to resolve module \\"stream\\"",
-    "detail": "It was not possible to find the requested file.
-Parsed request as written in source code: module \\"stream\\"
-Path where resolving has started: [project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js
-Type of request: commonjs request
-Import map: No import map entry
-",
-    "documentationLink": "",
-    "filePath": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-    "severity": "error",
-    "source": Object {
-      "end": Object {
-        "column": 1114,
-        "line": 10,
-      },
-      "source": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-      "start": Object {
-        "column": 1097,
-        "line": 10,
-      },
-    },
-    "subIssues": Array [],
-    "title": "Error resolving commonjs request",
-  },
-  Object {
-    "category": "resolve",
-    "description": "unable to resolve module \\"stream\\"",
-    "detail": "It was not possible to find the requested file.
-Parsed request as written in source code: module \\"stream\\"
-Path where resolving has started: [project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js
-Type of request: commonjs request
-Import map: No import map entry
-",
-    "documentationLink": "",
-    "filePath": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-    "severity": "error",
-    "source": Object {
-      "end": Object {
-        "column": 1114,
-        "line": 10,
-      },
-      "source": "[project]/.../node_modules/next/dist/compiled/jsonwebtoken/index.js",
-      "start": Object {
-        "column": 1097,
-        "line": 10,
-      },
-    },
-    "subIssues": Array [],
-    "title": "Error resolving commonjs request",
-  },
-  Object {
-    "category": "resolve",
-    "description": "unable to resolve module \\"util\\"",
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