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| use std::{future::Future, ops::Deref, sync::Arc}; | |
| use anyhow::{Context, Result, anyhow}; | |
| use futures_util::TryFutureExt; | |
| use napi::{ | |
| JsFunction, JsObject, JsUnknown, NapiRaw, NapiValue, Status, | |
| bindgen_prelude::{External, ToNapiValue}, | |
| threadsafe_function::{ThreadSafeCallContext, ThreadsafeFunction, ThreadsafeFunctionCallMode}, | |
| }; | |
| use rustc_hash::FxHashMap; | |
| use serde::Serialize; | |
| use turbo_tasks::{ | |
| Effects, OperationVc, ReadRef, TaskId, TryJoinIterExt, Vc, VcValueType, get_effects, | |
| }; | |
| use turbo_tasks_fs::FileContent; | |
| use turbopack_core::{ | |
| diagnostics::{Diagnostic, DiagnosticContextExt, PlainDiagnostic}, | |
| issue::{ | |
| IssueDescriptionExt, IssueSeverity, PlainIssue, PlainIssueSource, PlainSource, StyledString, | |
| }, | |
| source_pos::SourcePos, | |
| }; | |
| use crate::next_api::turbopack_ctx::NextTurbopackContext; | |
| /// An [`OperationVc`] that can be passed back and forth to JS across the [`napi`][mod@napi] | |
| /// boundary via [`External`]. | |
| /// | |
| /// It is a helper type to hold both a [`OperationVc`] and the [`NextTurbopackContext`]. Without | |
| /// this, we'd need to pass both individually all over the place. | |
| /// | |
| /// This napi-specific abstraction does not implement [`turbo_tasks::NonLocalValue`] or | |
| /// [`turbo_tasks::OperationValue`] and should be dereferenced to an [`OperationVc`] before being | |
| /// passed to a [`turbo_tasks::function`]. | |
| // | |
| // TODO: If we add a tracing garbage collector to turbo-tasks, this should be tracked as a GC root. | |
| pub struct DetachedVc<T> { | |
| turbopack_ctx: NextTurbopackContext, | |
| /// The Vc. Must be unresolved, otherwise you are referencing an inactive operation. | |
| vc: OperationVc<T>, | |
| } | |
| impl<T> DetachedVc<T> { | |
| pub fn new(turbopack_ctx: NextTurbopackContext, vc: OperationVc<T>) -> Self { | |
| Self { turbopack_ctx, vc } | |
| } | |
| pub fn turbopack_ctx(&self) -> &NextTurbopackContext { | |
| &self.turbopack_ctx | |
| } | |
| } | |
| impl<T> Deref for DetachedVc<T> { | |
| type Target = OperationVc<T>; | |
| fn deref(&self) -> &Self::Target { | |
| &self.vc | |
| } | |
| } | |
| pub fn serde_enum_to_string<T: Serialize>(value: &T) -> Result<String> { | |
| Ok(serde_json::to_value(value)? | |
| .as_str() | |
| .context("value must serialize to a string")? | |
| .to_string()) | |
| } | |
| /// An opaque handle to the root of a turbo-tasks computation created by | |
| /// [`turbo_tasks::TurboTasks::spawn_root_task`] that can be passed back and forth to JS across the | |
| /// [`napi`][mod@napi] boundary via [`External`]. | |
| /// | |
| /// JavaScript code receiving this value **must** call [`root_task_dispose`] in a `try...finally` | |
| /// block to avoid leaking root tasks. | |
| /// | |
| /// This is used by [`subscribe`] to create a computation that re-executes when dependencies change. | |
| // | |
| // TODO: If we add a tracing garbage collector to turbo-tasks, this should be tracked as a GC root. | |
| pub struct RootTask { | |
| turbopack_ctx: NextTurbopackContext, | |
| task_id: Option<TaskId>, | |
| } | |
| impl Drop for RootTask { | |
| fn drop(&mut self) { | |
| // TODO stop the root task | |
| } | |
| } | |
| pub fn root_task_dispose( | |
| mut root_task: External<RootTask>, | |
| ) -> napi::Result<()> { | |
| if let Some(task) = root_task.task_id.take() { | |
| root_task | |
| .turbopack_ctx | |
| .turbo_tasks() | |
| .dispose_root_task(task); | |
| } | |
| Ok(()) | |
| } | |
| pub async fn get_issues<T: Send>(source: OperationVc<T>) -> Result<Arc<Vec<ReadRef<PlainIssue>>>> { | |
| let issues = source.peek_issues_with_path().await?; | |
| Ok(Arc::new(issues.get_plain_issues().await?)) | |
| } | |
| /// Reads the [turbopack_core::diagnostics::Diagnostic] held | |
| /// by the given source and returns it as a | |
| /// [turbopack_core::diagnostics::PlainDiagnostic]. It does | |
| /// not consume any Diagnostics held by the source. | |
| pub async fn get_diagnostics<T: Send>( | |
| source: OperationVc<T>, | |
| ) -> Result<Arc<Vec<ReadRef<PlainDiagnostic>>>> { | |
| let captured_diags = source.peek_diagnostics().await?; | |
| let mut diags = captured_diags | |
| .diagnostics | |
| .iter() | |
| .map(|d| d.into_plain()) | |
| .try_join() | |
| .await?; | |
| diags.sort(); | |
| Ok(Arc::new(diags)) | |
| } | |
| pub struct NapiIssue { | |
| pub severity: String, | |
| pub stage: String, | |
| pub file_path: String, | |
| pub title: serde_json::Value, | |
| pub description: Option<serde_json::Value>, | |
| pub detail: Option<serde_json::Value>, | |
| pub source: Option<NapiIssueSource>, | |
| pub documentation_link: String, | |
| pub import_traces: serde_json::Value, | |
| } | |
| impl From<&PlainIssue> for NapiIssue { | |
| fn from(issue: &PlainIssue) -> Self { | |
| Self { | |
| description: issue | |
| .description | |
| .as_ref() | |
| .map(|styled| serde_json::to_value(StyledStringSerialize::from(styled)).unwrap()), | |
| stage: issue.stage.to_string(), | |
| file_path: issue.file_path.to_string(), | |
| detail: issue | |
| .detail | |
| .as_ref() | |
| .map(|styled| serde_json::to_value(StyledStringSerialize::from(styled)).unwrap()), | |
| documentation_link: issue.documentation_link.to_string(), | |
| severity: issue.severity.as_str().to_string(), | |
| source: issue.source.as_ref().map(|source| source.into()), | |
| title: serde_json::to_value(StyledStringSerialize::from(&issue.title)).unwrap(), | |
| import_traces: serde_json::to_value(&issue.import_traces).unwrap(), | |
| } | |
| } | |
| } | |
| pub enum StyledStringSerialize<'a> { | |
| Line { | |
| value: Vec<StyledStringSerialize<'a>>, | |
| }, | |
| Stack { | |
| value: Vec<StyledStringSerialize<'a>>, | |
| }, | |
| Text { | |
| value: &'a str, | |
| }, | |
| Code { | |
| value: &'a str, | |
| }, | |
| Strong { | |
| value: &'a str, | |
| }, | |
| } | |
| impl<'a> From<&'a StyledString> for StyledStringSerialize<'a> { | |
| fn from(value: &'a StyledString) -> Self { | |
| match value { | |
| StyledString::Line(parts) => StyledStringSerialize::Line { | |
| value: parts.iter().map(|p| p.into()).collect(), | |
| }, | |
| StyledString::Stack(parts) => StyledStringSerialize::Stack { | |
| value: parts.iter().map(|p| p.into()).collect(), | |
| }, | |
| StyledString::Text(string) => StyledStringSerialize::Text { value: string }, | |
| StyledString::Code(string) => StyledStringSerialize::Code { value: string }, | |
| StyledString::Strong(string) => StyledStringSerialize::Strong { value: string }, | |
| } | |
| } | |
| } | |
| pub struct NapiIssueSource { | |
| pub source: NapiSource, | |
| pub range: Option<NapiIssueSourceRange>, | |
| } | |
| impl From<&PlainIssueSource> for NapiIssueSource { | |
| fn from( | |
| PlainIssueSource { | |
| asset: source, | |
| range, | |
| }: &PlainIssueSource, | |
| ) -> Self { | |
| Self { | |
| source: (&**source).into(), | |
| range: range.as_ref().map(|range| range.into()), | |
| } | |
| } | |
| } | |
| pub struct NapiIssueSourceRange { | |
| pub start: NapiSourcePos, | |
| pub end: NapiSourcePos, | |
| } | |
| impl From<&(SourcePos, SourcePos)> for NapiIssueSourceRange { | |
| fn from((start, end): &(SourcePos, SourcePos)) -> Self { | |
| Self { | |
| start: (*start).into(), | |
| end: (*end).into(), | |
| } | |
| } | |
| } | |
| pub struct NapiSource { | |
| pub ident: String, | |
| pub content: Option<String>, | |
| } | |
| impl From<&PlainSource> for NapiSource { | |
| fn from(source: &PlainSource) -> Self { | |
| Self { | |
| ident: source.ident.to_string(), | |
| content: match &*source.content { | |
| FileContent::Content(content) => match content.content().to_str() { | |
| Ok(str) => Some(str.into_owned()), | |
| Err(_) => None, | |
| }, | |
| FileContent::NotFound => None, | |
| }, | |
| } | |
| } | |
| } | |
| pub struct NapiSourcePos { | |
| pub line: u32, | |
| pub column: u32, | |
| } | |
| impl From<SourcePos> for NapiSourcePos { | |
| fn from(pos: SourcePos) -> Self { | |
| Self { | |
| line: pos.line, | |
| column: pos.column, | |
| } | |
| } | |
| } | |
| pub struct NapiDiagnostic { | |
| pub category: String, | |
| pub name: String, | |
| pub payload: FxHashMap<String, String>, | |
| } | |
| impl NapiDiagnostic { | |
| pub fn from(diagnostic: &PlainDiagnostic) -> Self { | |
| Self { | |
| category: diagnostic.category.to_string(), | |
| name: diagnostic.name.to_string(), | |
| payload: diagnostic | |
| .payload | |
| .iter() | |
| .map(|(k, v)| (k.to_string(), v.to_string())) | |
| .collect(), | |
| } | |
| } | |
| } | |
| pub struct TurbopackResult<T: ToNapiValue> { | |
| pub result: T, | |
| pub issues: Vec<NapiIssue>, | |
| pub diagnostics: Vec<NapiDiagnostic>, | |
| } | |
| impl<T: ToNapiValue> ToNapiValue for TurbopackResult<T> { | |
| unsafe fn to_napi_value( | |
| env: napi::sys::napi_env, | |
| val: Self, | |
| ) -> napi::Result<napi::sys::napi_value> { | |
| let mut obj = unsafe { napi::Env::from_raw(env).create_object()? }; | |
| let result = unsafe { | |
| let result = T::to_napi_value(env, val.result)?; | |
| JsUnknown::from_raw(env, result)? | |
| }; | |
| if matches!(result.get_type()?, napi::ValueType::Object) { | |
| // SAFETY: We know that result is an object, so we can cast it to a JsObject | |
| let result = unsafe { result.cast::<JsObject>() }; | |
| for key in JsObject::keys(&result)? { | |
| let value: JsUnknown = result.get_named_property(&key)?; | |
| obj.set_named_property(&key, value)?; | |
| } | |
| } | |
| obj.set_named_property("issues", val.issues)?; | |
| obj.set_named_property("diagnostics", val.diagnostics)?; | |
| Ok(unsafe { obj.raw() }) | |
| } | |
| } | |
| pub fn subscribe<T: 'static + Send + Sync, F: Future<Output = Result<T>> + Send, V: ToNapiValue>( | |
| ctx: NextTurbopackContext, | |
| func: JsFunction, | |
| handler: impl 'static + Sync + Send + Clone + Fn() -> F, | |
| mapper: impl 'static + Sync + Send + FnMut(ThreadSafeCallContext<T>) -> napi::Result<Vec<V>>, | |
| ) -> napi::Result<External<RootTask>> { | |
| let func: ThreadsafeFunction<T> = func.create_threadsafe_function(0, mapper)?; | |
| let task_id = ctx.turbo_tasks().spawn_root_task({ | |
| let ctx = ctx.clone(); | |
| move || { | |
| let ctx = ctx.clone(); | |
| let handler = handler.clone(); | |
| let func = func.clone(); | |
| async move { | |
| let result = handler() | |
| .or_else(|e| ctx.throw_turbopack_internal_result(&e)) | |
| .await; | |
| let status = func.call(result, ThreadsafeFunctionCallMode::NonBlocking); | |
| if !matches!(status, Status::Ok) { | |
| let error = anyhow!("Error calling JS function: {}", status); | |
| eprintln!("{error}"); | |
| return Err::<Vc<()>, _>(error); | |
| } | |
| Ok(Default::default()) | |
| } | |
| } | |
| }); | |
| Ok(External::new(RootTask { | |
| turbopack_ctx: ctx, | |
| task_id: Some(task_id), | |
| })) | |
| } | |
| // Await the source and return fatal issues if there are any, otherwise | |
| // propagate any actual error results. | |
| pub async fn strongly_consistent_catch_collectables<R: VcValueType + Send>( | |
| source_op: OperationVc<R>, | |
| ) -> Result<( | |
| Option<ReadRef<R>>, | |
| Arc<Vec<ReadRef<PlainIssue>>>, | |
| Arc<Vec<ReadRef<PlainDiagnostic>>>, | |
| Arc<Effects>, | |
| )> { | |
| let result = source_op.read_strongly_consistent().await; | |
| let issues = get_issues(source_op).await?; | |
| let diagnostics = get_diagnostics(source_op).await?; | |
| let effects = Arc::new(get_effects(source_op).await?); | |
| let result = if result.is_err() && issues.iter().any(|i| i.severity <= IssueSeverity::Error) { | |
| None | |
| } else { | |
| Some(result?) | |
| }; | |
| Ok((result, issues, diagnostics, effects)) | |
| } | |