Analyze these files to check for performance hazards (4)

[kdy1]

• crates/swc_ecma_ast/src/lit.rs
• crates/swc_ecma_ast/src/jsx.rs
• crates/swc_ecma_ast/src/typescript.rs
• crates/swc_ecma_ast/src/prop.rs
• crates/swc_ecma_ast/src/source_map.rs
• crates/swc_ecma_ast/src/stmt.rs
• crates/swc_ecma_ast/src/list.rs
• crates/swc_ecma_ast/src/lib.rs
• crates/swc_ecma_ast/src/module_decl.rs
• crates/swc_ecma_ast/src/pat.rs
• crates/swc_ecma_ast/src/expr.rs
• crates/swc_ecma_ast/src/function.rs
• crates/swc_ecma_ast/src/module.rs
• crates/swc_ecma_ast/src/decl.rs
• crates/swc_ecma_ast/src/operators.rs
• crates/swc_ecma_ast/src/class.rs
• crates/swc_ecma_ast/src/macros.rs
• crates/swc_ecma_ast/src/ident.rs
• crates/swc_ecma_codegen/src/jsx.rs
• crates/swc_ecma_codegen/src/typescript.rs
• crates/swc_ecma_codegen/src/util.rs
• crates/swc_ecma_codegen/src/config.rs
• crates/swc_ecma_codegen/src/lib.rs
• crates/swc_ecma_codegen/src/expr.rs
• crates/swc_ecma_codegen/src/text_writer.rs
• crates/swc_ecma_codegen/src/comments.rs
• crates/swc_ecma_codegen/src/text_writer/semicolon.rs
• crates/swc_ecma_codegen/src/decl.rs
• crates/swc_ecma_codegen/src/macros.rs
• crates/swc_ecma_compat_bugfixes/src/lib.rs
• crates/swc_ecma_compat_bugfixes/src/safari_id_destructuring_collision_in_function_expression.rs
• crates/swc_ecma_compat_bugfixes/src/async_arrows_in_class.rs
• crates/swc_ecma_compat_bugfixes/src/template_literal_caching.rs
• crates/swc_ecma_compat_bugfixes/src/edge_default_param.rs
• crates/swc_ecma_compat_common/src/lib.rs
• crates/swc_ecma_compat_common/src/macros.rs
• crates/swc_ecma_compat_common/src/regexp.rs
• crates/swc_ecma_compat_es2015/src/regenerator/mod.rs
• crates/swc_ecma_compat_es2015/src/arrow.rs
• crates/swc_ecma_compat_es2015/src/instanceof.rs
• crates/swc_ecma_compat_es2015/src/for_of.rs
• crates/swc_ecma_compat_es2015/src/classes/constructor.rs
• crates/swc_ecma_compat_es2015/src/classes/mod.rs
• crates/swc_ecma_compat_es2015/src/classes/prop_name.rs
• crates/swc_ecma_compat_es2015/src/lib.rs
• crates/swc_ecma_compat_es2015/src/shorthand_property.rs
• crates/swc_ecma_compat_es2015/src/block_scoping/vars.rs
• crates/swc_ecma_compat_es2015/src/block_scoping/mod.rs
• crates/swc_ecma_compat_es2015/src/destructuring.rs
• crates/swc_ecma_compat_es2015/src/sticky_regex.rs
• crates/swc_ecma_compat_es2015/src/block_scoped_fn.rs
• crates/swc_ecma_compat_es2015/src/template_literal.rs
• crates/swc_ecma_compat_es2015/src/duplicate_keys.rs
• crates/swc_ecma_compat_es2015/src/spread.rs
• crates/swc_ecma_compat_es2015/src/parameters.rs
• crates/swc_ecma_compat_es2015/src/object_super.rs
• crates/swc_ecma_compat_es2015/src/function_name.rs
• crates/swc_ecma_compat_es2015/src/computed_props.rs
• crates/swc_ecma_compat_es2015/src/new_target.rs
• crates/swc_ecma_compat_es2015/src/typeof_symbol.rs
• crates/swc_ecma_compat_es2015/src/generator.rs
• crates/swc_ecma_compat_es2016/src/lib.rs
• crates/swc_ecma_compat_es2016/src/exponentiation.rs
• crates/swc_ecma_compat_es2017/src/async_to_generator.rs
• crates/swc_ecma_compat_es2017/src/lib.rs
• crates/swc_ecma_compat_es2018/src/object_rest_spread.rs
• crates/swc_ecma_compat_es2018/src/lib.rs
• crates/swc_ecma_compat_es2018/src/object_spread.rs
• crates/swc_ecma_compat_es2018/src/object_rest.rs
• crates/swc_ecma_compat_es2019/src/lib.rs
• crates/swc_ecma_compat_es2019/src/optional_catch_binding.rs
• crates/swc_ecma_compat_es2020/src/lib.rs
• crates/swc_ecma_compat_es2020/src/optional_chaining.rs
• crates/swc_ecma_compat_es2020/src/nullish_coalescing.rs
• crates/swc_ecma_compat_es2020/src/export_namespace_from.rs
• crates/swc_ecma_compat_es2021/src/lib.rs
• crates/swc_ecma_compat_es2021/src/logical_assignments.rs
• crates/swc_ecma_compat_es2022/src/class_properties/private_field.rs
• crates/swc_ecma_compat_es2022/src/class_properties/this_in_static.rs
• crates/swc_ecma_compat_es2022/src/class_properties/used_name.rs
• crates/swc_ecma_compat_es2022/src/class_properties/mod.rs
• crates/swc_ecma_compat_es2022/src/class_properties/member_init.rs
• crates/swc_ecma_compat_es2022/src/class_properties/class_name_tdz.rs
• crates/swc_ecma_compat_es2022/src/lib.rs
• crates/swc_ecma_compat_es2022/src/static_blocks.rs
• crates/swc_ecma_compat_es2022/src/private_in_object.rs
• crates/swc_ecma_compat_es2022/src/optional_chaining_impl.rs
• crates/swc_ecma_compat_es3/src/lib.rs
• crates/swc_ecma_compat_es3/src/member_expr_lits.rs
• crates/swc_ecma_compat_es3/src/reserved_word.rs
• crates/swc_ecma_compat_es3/src/prop_lits.rs