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use anyhow::Result;
use serde::{Deserialize, Serialize};
use swc_core::quote;
use turbo_tasks::{NonLocalValue, Vc, debug::ValueDebugFormat, trace::TraceRawVcs};
use turbopack_core::chunk::ChunkingContext;
use super::AstPath;
use crate::{
code_gen::{CodeGen, CodeGeneration},
create_visitor,
};
#[derive(PartialEq, Eq, TraceRawVcs, Serialize, Deserialize, ValueDebugFormat, NonLocalValue)]
enum DynamicExpressionType {
Promise,
Normal,
}
#[derive(PartialEq, Eq, Serialize, Deserialize, TraceRawVcs, ValueDebugFormat, NonLocalValue)]
pub struct DynamicExpression {
path: AstPath,
ty: DynamicExpressionType,
}
impl DynamicExpression {
pub fn new(path: AstPath) -> Self {
DynamicExpression {
path,
ty: DynamicExpressionType::Normal,
}
}
pub fn new_promise(path: AstPath) -> Self {
DynamicExpression {
path,
ty: DynamicExpressionType::Promise,
}
}
pub async fn code_generation(
&self,
_chunking_context: Vc<Box<dyn ChunkingContext>>,
) -> Result<CodeGeneration> {
let visitor = match self.ty {
DynamicExpressionType::Normal => {
create_visitor!(self.path, visit_mut_expr, |expr: &mut Expr| {
*expr = quote!(
"(() => { const e = new Error(\"Cannot find module as expression is too \
dynamic\"); e.code = 'MODULE_NOT_FOUND'; throw e; })()"
as Expr
);
})
}
DynamicExpressionType::Promise => {
create_visitor!(self.path, visit_mut_expr, |expr: &mut Expr| {
*expr = quote!(
"Promise.resolve().then(() => { const e = new Error(\"Cannot find module \
as expression is too dynamic\"); e.code = 'MODULE_NOT_FOUND'; throw e; })"
as Expr
);
})
}
};
Ok(CodeGeneration::visitors(vec![visitor]))
}
}
impl From<DynamicExpression> for CodeGen {
fn from(val: DynamicExpression) -> Self {
CodeGen::DynamicExpression(val)
}
}
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