reduce work and tasks during module analysis (#7080)

### Description

* Avoid read_dir calls on files

### Testing Instructions

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  Give a quick description of steps to test your changes.
-->


Closes PACK-2278

crates/turbopack-ecmascript/src/lib.rs

@@ -424,7 +424,12 @@ impl EcmascriptModuleAsset {
         }
 
         let find_package_json = find_context_file(
-            self.origin_path().resolve().await?,
+            self.origin_path()
+                .resolve()
+                .await?
+                .parent()
+                .resolve()
+                .await?,
             package_json().resolve().await?,
         )
         .await?;

crates/turbopack-ecmascript/src/parse.rs

@@ -177,7 +177,7 @@ async fn parse_internal(
     let fs_path_vc = source.ident().path();
     let fs_path = &*fs_path_vc.await?;
     let ident = &*source.ident().to_string().await?;
-    let file_path_hash = *hash_ident(source.ident().to_string()).await? as u128;
+    let file_path_hash = hash_xxh3_hash64(&*source.ident().to_string().await?) as u128;
     let ty = ty.into_value();
     let content = match content.await {
         Ok(content) => content,
@@ -389,12 +389,6 @@ async fn parse_content(
     Ok(result.cell())
 }
 
-#[turbo_tasks::function]
-async fn hash_ident(ident: Vc<String>) -> Result<Vc<u64>> {
-    let ident = &*ident.await?;
-    Ok(Vc::cell(hash_xxh3_hash64(ident)))
-}
-
 #[turbo_tasks::value]
 struct ReadSourceIssue {
     source: Vc<Box<dyn Source>>,