Conditionally compile JS feature code

src/proc/mod.rs

@@ -8,8 +8,11 @@ use crate::proc::MatchMode::*;
 use crate::proc::range::ProcessorRange;
 use memchr::memchr;
 use crate::gen::codepoints::{WHITESPACE, Lookup};
+#[cfg(feature = "js-esbuild")]
 use std::sync::{Arc, Mutex};
+#[cfg(feature = "js-esbuild")]
 use esbuild_rs::TransformResult;
+#[cfg(feature = "js-esbuild")]
 use crossbeam::sync::WaitGroup;
 
 pub mod checkpoint;
@@ -42,6 +45,7 @@ pub enum MatchAction {
     MatchOnly,
 }
 
+#[cfg(feature = "js-esbuild")]
 pub struct JsMinSection {
     pub src_range: ProcessorRange,
     pub result: TransformResult,
@@ -304,12 +308,15 @@ impl<'d> Processor<'d> {
         self._shift(count);
     }
 
+    #[cfg(feature = "js-esbuild")]
     pub fn new_script_section(&self) -> (WaitGroup, Arc<Mutex<Vec<JsMinSection>>>) {
         (self.script_wg.clone(), self.script_results.clone())
     }
 
     pub fn finish(self) -> usize {
         debug_assert!(self.at_end());
+        #[cfg(feature = "js-esbuild")]
+        {
             self.script_wg.wait();
             let mut results = Arc::try_unwrap(self.script_results)
                 .unwrap_or_else(|_| panic!("failed to acquire script results"))
@@ -329,6 +336,7 @@ impl<'d> Processor<'d> {
                     };
                 };
             };
+        };
         self.write_next
     }
 }

src/unit/script.rs

@@ -1,14 +1,20 @@
 use crate::err::ProcessingResult;
 use crate::proc::MatchAction::*;
 use crate::proc::MatchMode::*;
-use crate::proc::{Processor, JsMinSection};
+use crate::proc::Processor;
+#[cfg(feature = "js-esbuild")]
+use crate::proc::JsMinSection;
 use crate::cfg::Cfg;
 #[cfg(feature = "js-esbuild")]
 use crate::proc::checkpoint::Checkpoint;
+#[cfg(feature = "js-esbuild")]
 use esbuild_rs::{TransformOptionsBuilder, TransformOptions};
+#[cfg(feature = "js-esbuild")]
 use std::sync::Arc;
+#[cfg(feature = "js-esbuild")]
 use lazy_static::lazy_static;
 
+#[cfg(feature = "js-esbuild")]
 lazy_static! {
     static ref TRANSFORM_OPTIONS: Arc<TransformOptions> = {
         let mut builder = TransformOptionsBuilder::new();