Next Build POC

packages/next-swc/crates/napi/Cargo.toml

@@ -54,9 +54,9 @@ turbo-tasks = { workspace = true }
 once_cell = { workspace = true }
 serde = "1"
 serde_json = "1"
-tracing = { version = "0.1.37" }
+tracing = { workspace = true }
 tracing-futures = "0.2.5"
-tracing-subscriber = "0.3.9"
+tracing-subscriber = { workspace = true }
 tracing-chrome = "0.5.0"
 turbopack-binding = { workspace = true, features = [
   "__swc_core_binding_napi",

packages/next-swc/crates/napi/src/turbopack.rs

@@ -1,7 +1,14 @@
-use std::convert::TryFrom;
+use std::{
+    convert::{TryFrom, TryInto},
+    path::PathBuf,
+};
 
+use anyhow::Context;
 use napi::bindgen_prelude::*;
-use next_build::{next_build as turbo_next_build, NextBuildOptions};
+use next_build::{
+    build as turbo_next_build, build_options::BuildContext, BuildOptions as NextBuildOptions,
+};
+use next_core::next_config::{Rewrite, Rewrites, RouteHas};
 use next_dev::{devserver_options::DevServerOptions, start_server};
 
 use crate::util::MapErr;
@@ -15,95 +22,162 @@ pub async fn start_turbo_dev(options: Buffer) -> napi::Result<()> {
 #[napi(object, object_to_js = false)]
 #[derive(Debug)]
 pub struct NextBuildContext {
+    // Added by Next.js for next build --turbo specifically.
+    /// The root directory of the workspace.
+    pub root: Option<String>,
+
+    /// The project's directory.
     pub dir: Option<String>,
-    pub app_dir: Option<String>,
-    pub pages_dir: Option<String>,
-    pub rewrites: Option<Rewrites>,
-    pub original_rewrites: Option<Rewrites>,
-    pub original_redirects: Option<Vec<Redirect>>,
+
+    /// The build ID.
+    pub build_id: Option<String>,
+
+    /// The rewrites, as computed by Next.js.
+    pub rewrites: Option<NapiRewrites>,
+    // TODO(alexkirsz) These are detected directly by Turbopack for now.
+    // pub app_dir: Option<String>,
+    // pub pages_dir: Option<String>,
+    // TODO(alexkirsz) These are used to generate route types.
+    // pub original_rewrites: Option<Rewrites>,
+    // pub original_redirects: Option<Vec<Redirect>>,
 }
 
-#[napi(object, object_to_js = false)]
-#[derive(Debug)]
-pub struct Rewrites {
-    pub fallback: Vec<Rewrite>,
-    pub after_files: Vec<Rewrite>,
-    pub before_files: Vec<Rewrite>,
+impl TryFrom<NextBuildContext> for NextBuildOptions {
+    type Error = napi::Error;
+
+    fn try_from(value: NextBuildContext) -> Result<Self> {
+        Ok(Self {
+            dir: value.dir.map(PathBuf::try_from).transpose()?,
+            root: value.root.map(PathBuf::try_from).transpose()?,
+            log_level: None,
+            show_all: true,
+            log_detail: true,
+            full_stats: true,
+            memory_limit: None,
+            build_context: Some(BuildContext {
+                build_id: value
+                    .build_id
+                    .context("NextBuildContext must provide a build ID")?,
+                rewrites: value
+                    .rewrites
+                    .context("NextBuildContext must provide rewrites")?
+                    .into(),
+            }),
+        })
+    }
 }
 
+/// Keep in sync with [`next_core::next_config::Rewrites`]
 #[napi(object, object_to_js = false)]
 #[derive(Debug)]
-pub struct Rewrite {
-    pub source: String,
-    pub destination: String,
+pub struct NapiRewrites {
+    pub fallback: Vec<NapiRewrite>,
+    pub after_files: Vec<NapiRewrite>,
+    pub before_files: Vec<NapiRewrite>,
+}
+
+impl Into<Rewrites> for NapiRewrites {
+    fn into(self) -> Rewrites {
+        Rewrites {
+            fallback: self
+                .fallback
+                .into_iter()
+                .map(|rewrite| rewrite.into())
+                .collect(),
+            after_files: self
+                .after_files
+                .into_iter()
+                .map(|rewrite| rewrite.into())
+                .collect(),
+            before_files: self
+                .before_files
+                .into_iter()
+                .map(|rewrite| rewrite.into())
+                .collect(),
+        }
+    }
 }
 
+/// Keep in sync with [`next_core::next_config::Rewrite`]
 #[napi(object, object_to_js = false)]
 #[derive(Debug)]
-pub struct Redirect {
+pub struct NapiRewrite {
     pub source: String,
     pub destination: String,
-    pub permanent: Option<bool>,
-    pub status_code: Option<u32>,
-    pub has: Option<RouteHas>,
-    pub missing: Option<RouteHas>,
+    pub base_path: Option<bool>,
+    pub locale: Option<bool>,
+    pub has: Option<Vec<NapiRouteHas>>,
+    pub missing: Option<Vec<NapiRouteHas>>,
 }
 
-#[derive(Debug)]
-pub struct RouteHas {
-    pub r#type: RouteType,
-    pub key: Option<String>,
-    pub value: Option<String>,
+impl Into<Rewrite> for NapiRewrite {
+    fn into(self) -> Rewrite {
+        Rewrite {
+            source: self.source,
+            destination: self.destination,
+            base_path: self.base_path,
+            locale: self.locale,
+            has: self
+                .has
+                .map(|has| has.into_iter().map(|has| has.into()).collect()),
+            missing: self
+                .missing
+                .map(|missing| missing.into_iter().map(|missing| missing.into()).collect()),
+        }
+    }
 }
 
+/// Keep in sync with [`next_core::next_config::RouteHas`]
 #[derive(Debug)]
-pub enum RouteType {
-    Header,
-    Query,
-    Cookie,
-    Host,
+pub enum NapiRouteHas {
+    Header { key: String, value: Option<String> },
+    Query { key: String, value: Option<String> },
+    Cookie { key: String, value: Option<String> },
+    Host { value: String },
 }
 
-impl TryFrom<String> for RouteType {
-    type Error = napi::Error;
-
-    fn try_from(value: String) -> Result<Self> {
-        match value.as_str() {
-            "header" => Ok(RouteType::Header),
-            "query" => Ok(RouteType::Query),
-            "cookie" => Ok(RouteType::Cookie),
-            "host" => Ok(RouteType::Host),
-            _ => Err(napi::Error::new(
-                napi::Status::InvalidArg,
-                "Invalid route type",
-            )),
-        }
-    }
-}
-
-impl FromNapiValue for RouteHas {
+impl FromNapiValue for NapiRouteHas {
     unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
         let object = Object::from_napi_value(env, napi_val)?;
-        let r#type = object.get_named_property::<String>("type")?;
-        Ok(RouteHas {
-            r#type: RouteType::try_from(r#type)?,
-            key: object.get("key")?,
-            value: object.get("value")?,
+        let type_ = object.get_named_property::<String>("type")?;
+        Ok(match type_.as_str() {
+            "header" => NapiRouteHas::Header {
+                key: object.get_named_property("key")?,
+                value: object.get_named_property("value")?,
+            },
+            "query" => NapiRouteHas::Query {
+                key: object.get_named_property("key")?,
+                value: object.get_named_property("value")?,
+            },
+            "cookie" => NapiRouteHas::Cookie {
+                key: object.get_named_property("key")?,
+                value: object.get_named_property("value")?,
+            },
+            "host" => NapiRouteHas::Host {
+                value: object.get_named_property("value")?,
+            },
+            _ => {
+                return Err(napi::Error::new(
+                    Status::GenericFailure,
+                    format!("invalid type for RouteHas: {}", type_),
+                ))
+            }
         })
     }
 }
 
-impl From<NextBuildContext> for NextBuildOptions {
-    fn from(value: NextBuildContext) -> Self {
-        Self {
-            dir: value.dir,
-            memory_limit: None,
-            full_stats: None,
+impl Into<RouteHas> for NapiRouteHas {
+    fn into(self) -> RouteHas {
+        match self {
+            NapiRouteHas::Header { key, value } => RouteHas::Header { key, value },
+            NapiRouteHas::Query { key, value } => RouteHas::Query { key, value },
+            NapiRouteHas::Cookie { key, value } => RouteHas::Cookie { key, value },
+            NapiRouteHas::Host { value } => RouteHas::Host { value },
         }
     }
 }
 
 #[napi]
 pub async fn next_build(ctx: NextBuildContext) -> napi::Result<()> {
-    turbo_next_build(ctx.into()).await.convert_err()
+    turbo_next_build(ctx.try_into()?).await.convert_err()
 }

packages/next-swc/crates/next-build/Cargo.toml

@@ -6,16 +6,67 @@ license = "MPL-2.0"
 edition = "2021"
 autobenches = false
 
+[[bin]]
+name = "next-build"
+path = "src/main.rs"
+bench = false
+required-features = ["cli"]
+
+[lib]
+bench = false
+
 [features]
+# By default, we enable native-tls for reqwest via downstream transitive features.
+# This is for the convenience of running daily dev workflows, i.e running
+# `cargo xxx` without explicitly specifying features, not that we want to
+# promote this as default backend. Actual configuration is done when building next-swc,
+# and also turbopack standalone when we have it.
+default = ["cli", "custom_allocator", "native-tls"]
+cli = ["clap"]
+tokio_console = [
+  "dep:console-subscriber",
+  "tokio/tracing",
+  "turbo-tasks/tokio_tracing",
+]
 native-tls = ["next-core/native-tls"]
 rustls-tls = ["next-core/rustls-tls"]
-custom_allocator = ["turbopack-binding/__turbo_tasks_malloc", "turbopack-binding/__turbo_tasks_malloc_custom_allocator"]
+custom_allocator = [
+  "turbopack-binding/__turbo_tasks_malloc",
+  "turbopack-binding/__turbo_tasks_malloc_custom_allocator",
+]
+serializable = []
+profile = []
 
 [dependencies]
-anyhow = "1.0.47"
+anyhow = { workspace = true }
+clap = { workspace = true, features = ["derive", "env"], optional = true }
+console-subscriber = { workspace = true, optional = true }
+dunce = { workspace = true }
 next-core = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }
+tokio = { workspace = true }
+tracing = { workspace = true }
+tracing-subscriber = { workspace = true }
 
-turbopack-binding = { workspace = true, features = ["__turbo_tasks", "__turbo_tasks_memory"] }
+turbopack-binding = { workspace = true, features = [
+  "__turbo_tasks",
+  "__turbo_tasks_malloc",
+  "__turbo_tasks_memory",
+  "__turbo_tasks_env",
+  "__turbo_tasks_fs",
+  "__turbo_tasks_memory",
+  "__turbopack",
+  "__turbopack_build",
+  "__turbopack_cli_utils",
+  "__turbopack_core",
+  "__turbopack_dev",
+  "__turbopack_ecmascript",
+  "__turbopack_ecmascript_runtime",
+  "__turbopack_env",
+  "__turbopack_node",
+] }
+turbo-tasks = { workspace = true }
 
 [build-dependencies]
 turbopack-binding = { workspace = true, features = ["__turbo_tasks_build"] }