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perf(turbopack): Use Pass API for styled-jsx SWC plugin #75271

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Jan 24, 2025
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perf(turbopack): Use Pass API for styled-jsx SWC plugin #75271

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11 changes: 3 additions & 8 deletions turbopack/crates/turbopack-ecmascript-plugins/src/transform/styled_jsx.rs
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Original file line number Diff line number Diff line change
@@ -1,12 +1,8 @@
use anyhow::Result;
use async_trait::async_trait;
use swc_core::{
common::{util::take::Take, FileName},
ecma::{
ast::{Module, Program},
preset_env::Versions,
visit::FoldWith,
},
common::FileName,
ecma::{ast::Program, preset_env::Versions},
};
use turbopack_ecmascript::{CustomTransformer, TransformContext};

Expand All @@ -25,8 +21,7 @@ impl StyledJsxTransformer {
impl CustomTransformer for StyledJsxTransformer {
#[tracing::instrument(level = tracing::Level::TRACE, name = "styled_jsx", skip_all)]
async fn transform(&self, program: &mut Program, ctx: &TransformContext<'_>) -> Result<()> {
let p = std::mem::replace(program, Program::Module(Module::dummy()));
*program = p.fold_with(&mut styled_jsx::visitor::styled_jsx(
program.mutate(styled_jsx::visitor::styled_jsx(
ctx.source_map.clone(),
// styled_jsx don't really use that in a relevant way
FileName::Anon,
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