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perf(compile): read embedded files as static references when UTF-8 and reading as strings (#27033)

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David Sherret 2024-11-27 21:28:41 -05:00 • committed by GitHub
parent 76daa03aa9
commit f161adf19e
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19 changed files with 158 additions and 61 deletions
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26
cli/module_loader.rs
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@ -1060,7 +1060,10 @@ impl<TGraphContainer: ModuleGraphContainer> NodeRequireLoader
self.npm_resolver.ensure_read_permission(permissions, path)
}
fn load_text_file_lossy(&self, path: &Path) -> Result<String, AnyError> {
fn load_text_file_lossy(
&self,
path: &Path,
) -> Result<Cow<'static, str>, AnyError> {
// todo(dsherret): use the preloaded module from the graph if available?
let media_type = MediaType::from_path(path);
let text = self.fs.read_text_file_lossy_sync(path, None)?;
@ -1075,15 +1078,18 @@ impl<TGraphContainer: ModuleGraphContainer> NodeRequireLoader
.into(),
);
}
self.emitter.emit_parsed_source_sync(
&specifier,
media_type,
// this is probably not super accurate due to require esm, but probably ok.
// If we find this causes a lot of churn in the emit cache then we should
// investigate how we can make this better
ModuleKind::Cjs,
&text.into(),
)
self
.emitter
.emit_parsed_source_sync(
&specifier,
media_type,
// this is probably not super accurate due to require esm, but probably ok.
// If we find this causes a lot of churn in the emit cache then we should
// investigate how we can make this better
ModuleKind::Cjs,
&text.into(),
)
.map(Cow::Owned)
} else {
Ok(text)
}