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use anyhow::Result;
use serde::{Deserialize, Serialize};
use swc_core::{
common::util::take::Take,
ecma::ast::{CallExpr, Expr, ExprOrSpread, Lit},
quote,
};
use turbo_rcstr::RcStr;
use turbo_tasks::{
NonLocalValue, ResolvedVc, ValueToString, Vc, debug::ValueDebugFormat, trace::TraceRawVcs,
};
use turbopack_core::{
chunk::{ChunkableModuleReference, ChunkingContext},
issue::IssueSource,
reference::ModuleReference,
resolve::{ModuleResolveResult, origin::ResolveOrigin, parse::Request},
};
use turbopack_resolve::ecmascript::cjs_resolve;
use crate::{
code_gen::{CodeGen, CodeGeneration, IntoCodeGenReference},
create_visitor,
references::{
AstPath,
pattern_mapping::{PatternMapping, ResolveType},
},
runtime_functions::TURBOPACK_CACHE,
};
#[turbo_tasks::value]
#[derive(Hash, Debug)]
pub struct CjsAssetReference {
pub origin: ResolvedVc<Box<dyn ResolveOrigin>>,
pub request: ResolvedVc<Request>,
pub issue_source: IssueSource,
pub in_try: bool,
}
#[turbo_tasks::value_impl]
impl CjsAssetReference {
#[turbo_tasks::function]
pub fn new(
origin: ResolvedVc<Box<dyn ResolveOrigin>>,
request: ResolvedVc<Request>,
issue_source: IssueSource,
in_try: bool,
) -> Result<Vc<Self>> {
Ok(Self::cell(CjsAssetReference {
origin,
request,
issue_source,
in_try,
}))
}
}
#[turbo_tasks::value_impl]
impl ModuleReference for CjsAssetReference {
#[turbo_tasks::function]
fn resolve_reference(&self) -> Vc<ModuleResolveResult> {
cjs_resolve(
*self.origin,
*self.request,
Some(self.issue_source),
self.in_try,
)
}
}
#[turbo_tasks::value_impl]
impl ValueToString for CjsAssetReference {
#[turbo_tasks::function]
async fn to_string(&self) -> Result<Vc<RcStr>> {
Ok(Vc::cell(
format!("generic commonjs {}", self.request.to_string().await?,).into(),
))
}
}
#[turbo_tasks::value_impl]
impl ChunkableModuleReference for CjsAssetReference {}
#[turbo_tasks::value]
#[derive(Hash, Debug)]
pub struct CjsRequireAssetReference {
pub origin: ResolvedVc<Box<dyn ResolveOrigin>>,
pub request: ResolvedVc<Request>,
pub issue_source: IssueSource,
pub in_try: bool,
}
impl CjsRequireAssetReference {
pub fn new(
origin: ResolvedVc<Box<dyn ResolveOrigin>>,
request: ResolvedVc<Request>,
issue_source: IssueSource,
in_try: bool,
) -> Self {
CjsRequireAssetReference {
origin,
request,
issue_source,
in_try,
}
}
}
#[turbo_tasks::value_impl]
impl ModuleReference for CjsRequireAssetReference {
#[turbo_tasks::function]
fn resolve_reference(&self) -> Vc<ModuleResolveResult> {
cjs_resolve(
*self.origin,
*self.request,
Some(self.issue_source),
self.in_try,
)
}
}
#[turbo_tasks::value_impl]
impl ValueToString for CjsRequireAssetReference {
#[turbo_tasks::function]
async fn to_string(&self) -> Result<Vc<RcStr>> {
Ok(Vc::cell(
format!("require {}", self.request.to_string().await?,).into(),
))
}
}
#[turbo_tasks::value_impl]
impl ChunkableModuleReference for CjsRequireAssetReference {}
impl IntoCodeGenReference for CjsRequireAssetReference {
fn into_code_gen_reference(
self,
path: AstPath,
) -> (ResolvedVc<Box<dyn ModuleReference>>, CodeGen) {
let reference = self.resolved_cell();
(
ResolvedVc::upcast(reference),
CodeGen::CjsRequireAssetReferenceCodeGen(CjsRequireAssetReferenceCodeGen {
reference,
path,
}),
)
}
}
#[derive(PartialEq, Eq, Serialize, Deserialize, TraceRawVcs, ValueDebugFormat, NonLocalValue)]
pub struct CjsRequireAssetReferenceCodeGen {
reference: ResolvedVc<CjsRequireAssetReference>,
path: AstPath,
}
impl CjsRequireAssetReferenceCodeGen {
pub async fn code_generation(
&self,
chunking_context: Vc<Box<dyn ChunkingContext>>,
) -> Result<CodeGeneration> {
let reference = self.reference.await?;
let pm = PatternMapping::resolve_request(
*reference.request,
*reference.origin,
Vc::upcast(chunking_context),
self.reference.resolve_reference(),
ResolveType::ChunkItem,
)
.await?;
let mut visitors = Vec::new();
visitors.push(create_visitor!(
self.path,
visit_mut_expr,
|expr: &mut Expr| {
let old_expr = expr.take();
let message = if let Expr::Call(CallExpr { args, .. }) = old_expr {
match args.into_iter().next() {
Some(ExprOrSpread {
spread: None,
expr: key_expr,
}) => {
*expr = pm.create_require(*key_expr);
return;
}
Some(ExprOrSpread {
spread: Some(_),
expr: _,
}) => "spread operator is not analyse-able in require() expressions.",
_ => "require() expressions require at least 1 argument",
}
} else {
"visitor must be executed on a CallExpr"
};
*expr = quote!(
"(() => { throw new Error($message); })()" as Expr,
message: Expr = Expr::Lit(Lit::Str(message.into()))
);
}
));
Ok(CodeGeneration::visitors(visitors))
}
}
#[turbo_tasks::value]
#[derive(Hash, Debug)]
pub struct CjsRequireResolveAssetReference {
pub origin: ResolvedVc<Box<dyn ResolveOrigin>>,
pub request: ResolvedVc<Request>,
pub issue_source: IssueSource,
pub in_try: bool,
}
impl CjsRequireResolveAssetReference {
pub fn new(
origin: ResolvedVc<Box<dyn ResolveOrigin>>,
request: ResolvedVc<Request>,
issue_source: IssueSource,
in_try: bool,
) -> Self {
CjsRequireResolveAssetReference {
origin,
request,
issue_source,
in_try,
}
}
}
#[turbo_tasks::value_impl]
impl ModuleReference for CjsRequireResolveAssetReference {
#[turbo_tasks::function]
fn resolve_reference(&self) -> Vc<ModuleResolveResult> {
cjs_resolve(
*self.origin,
*self.request,
Some(self.issue_source),
self.in_try,
)
}
}
#[turbo_tasks::value_impl]
impl ValueToString for CjsRequireResolveAssetReference {
#[turbo_tasks::function]
async fn to_string(&self) -> Result<Vc<RcStr>> {
Ok(Vc::cell(
format!("require.resolve {}", self.request.to_string().await?,).into(),
))
}
}
#[turbo_tasks::value_impl]
impl ChunkableModuleReference for CjsRequireResolveAssetReference {}
impl IntoCodeGenReference for CjsRequireResolveAssetReference {
fn into_code_gen_reference(
self,
path: AstPath,
) -> (ResolvedVc<Box<dyn ModuleReference>>, CodeGen) {
let reference = self.resolved_cell();
(
ResolvedVc::upcast(reference),
CodeGen::CjsRequireResolveAssetReferenceCodeGen(
CjsRequireResolveAssetReferenceCodeGen { reference, path },
),
)
}
}
#[derive(PartialEq, Eq, Serialize, Deserialize, TraceRawVcs, ValueDebugFormat, NonLocalValue)]
pub struct CjsRequireResolveAssetReferenceCodeGen {
reference: ResolvedVc<CjsRequireResolveAssetReference>,
path: AstPath,
}
impl CjsRequireResolveAssetReferenceCodeGen {
pub async fn code_generation(
&self,
chunking_context: Vc<Box<dyn ChunkingContext>>,
) -> Result<CodeGeneration> {
let reference = self.reference.await?;
let pm = PatternMapping::resolve_request(
*reference.request,
*reference.origin,
Vc::upcast(chunking_context),
self.reference.resolve_reference(),
ResolveType::ChunkItem,
)
.await?;
let mut visitors = Vec::new();
// Inline the result of the `require.resolve` call as a literal.
visitors.push(create_visitor!(
self.path,
visit_mut_expr,
|expr: &mut Expr| {
if let Expr::Call(call_expr) = expr {
let args = std::mem::take(&mut call_expr.args);
*expr = match args.into_iter().next() {
Some(ExprOrSpread { expr, spread: None }) => pm.create_id(*expr),
other => {
let message = match other {
// These are SWC bugs: https://github.com/swc-project/swc/issues/5394
Some(ExprOrSpread {
spread: Some(_),
expr: _,
}) => {
"spread operator is not analyse-able in require() expressions."
}
_ => "require() expressions require at least 1 argument",
};
quote!(
"(() => { throw new Error($message); })()" as Expr,
message: Expr = Expr::Lit(Lit::Str(message.into()))
)
}
};
}
// CjsRequireResolveAssetReference will only be used for Expr::Call.
// Due to eventual consistency the path might match something else,
// but we can ignore that as it will be recomputed anyway.
}
));
Ok(CodeGeneration::visitors(visitors))
}
}
#[derive(PartialEq, Eq, Serialize, Deserialize, TraceRawVcs, ValueDebugFormat, NonLocalValue)]
pub struct CjsRequireCacheAccess {
pub path: AstPath,
}
impl CjsRequireCacheAccess {
pub fn new(path: AstPath) -> Self {
CjsRequireCacheAccess { path }
}
pub async fn code_generation(
&self,
_chunking_context: Vc<Box<dyn ChunkingContext>>,
) -> Result<CodeGeneration> {
let mut visitors = Vec::new();
visitors.push(create_visitor!(
self.path,
visit_mut_expr,
|expr: &mut Expr| {
if let Expr::Member(_) = expr {
*expr = TURBOPACK_CACHE.into();
} else {
unreachable!("`CjsRequireCacheAccess` is only created from `MemberExpr`");
}
}
));
Ok(CodeGeneration::visitors(visitors))
}
}
impl From<CjsRequireCacheAccess> for CodeGen {
fn from(val: CjsRequireCacheAccess) -> Self {
CodeGen::CjsRequireCacheAccess(val)
}
}
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