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fix(minifier): RemoveDeadCode should visit nested expression (#4268)

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underfin 2024-07-15 19:37:12 +08:00 committed by GitHub
parent 8fad7dbac3
commit f144082a60
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2 changed files with 7 additions and 0 deletions
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1
crates/oxc_minifier/src/ast_passes/remove_dead_code.rs
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@ -26,6 +26,7 @@ impl<'a> VisitMut<'a> for RemoveDeadCode<'a> {
fn visit_expression(&mut self, expr: &mut Expression<'a>) { fn visit_expression(&mut self, expr: &mut Expression<'a>) {
self.fold_conditional_expression(expr); self.fold_conditional_expression(expr);
self.fold_logical_expression(expr); self.fold_logical_expression(expr);
walk_mut::walk_expression(self, expr);
} }
} }

6
crates/oxc_minifier/tests/oxc/remove_dead_code.rs
View file

@ -62,6 +62,12 @@ fn dce_if_statement() {
", ",
"{foo; return }", "{foo; return }",
); );
// nested expression
test(
"const a = { fn: function() { if (true) { foo; } } }",
"const a = { fn: function() { { foo; } } }",
);
} }
#[test] #[test]