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fix(es/resolver): Fix handling of for statements (#3446)

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swc_ecma_transforms_base:
 - `resolver`: Visit the body of a for statement in a nested visitor.
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Donny/강동윤 2022-02-04 14:13:32 +09:00 committed by GitHub
parent 811ac08d32
commit 2af5096e83
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 21 additions and 13 deletions
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26
crates/swc_ecma_transforms_base/src/resolver/mod.rs
View File

@ -711,7 +711,7 @@ impl<'a> VisitMut for Resolver<'a> {
self.ident_type = IdentType::Ref;
n.update.visit_mut_with(&mut child);
child.visit_mut_stmt_within_same_scope(&mut *n.body);
child.visit_mut_stmt_within_child_scope(&mut *n.body);
}
fn visit_mut_function(&mut self, f: &mut Function) {
@ -1348,15 +1348,6 @@ impl VisitMut for Hoister<'_, '_> {
self.in_block = old_in_block;
}
fn visit_mut_switch_stmt(&mut self, s: &mut SwitchStmt) {
s.discriminant.visit_mut_with(self);
let old_in_block = self.in_block;
self.in_block = true;
s.cases.visit_mut_with(self);
self.in_block = old_in_block;
}
#[inline]
fn visit_mut_catch_clause(&mut self, c: &mut CatchClause) {
let params: Vec<Id> = find_ids(&c.param);
@ -1459,9 +1450,6 @@ impl VisitMut for Hoister<'_, '_> {
#[inline]
fn visit_mut_function(&mut self, _: &mut Function) {}
#[inline]
fn visit_mut_ts_module_block(&mut self, _: &mut TsModuleBlock) {}
#[inline]
fn visit_mut_param(&mut self, _: &mut Param) {}
@ -1486,12 +1474,24 @@ impl VisitMut for Hoister<'_, '_> {
#[inline]
fn visit_mut_setter_prop(&mut self, _: &mut SetterProp) {}
fn visit_mut_switch_stmt(&mut self, s: &mut SwitchStmt) {
s.discriminant.visit_mut_with(self);
let old_in_block = self.in_block;
self.in_block = true;
s.cases.visit_mut_with(self);
self.in_block = old_in_block;
}
#[inline]
fn visit_mut_tagged_tpl(&mut self, _: &mut TaggedTpl) {}
#[inline]
fn visit_mut_tpl(&mut self, _: &mut Tpl) {}
#[inline]
fn visit_mut_ts_module_block(&mut self, _: &mut TsModuleBlock) {}
fn visit_mut_var_decl(&mut self, node: &mut VarDecl) {
if self.in_block {
match node.kind {

4
crates/swc_ecma_transforms_base/tests/resolver/issues/3429/1/input.js Normal file
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@ -0,0 +1,4 @@
for (let r = 0, t = 1; r < t; r++) {
const t = 6;
console.log(t)
}

4
crates/swc_ecma_transforms_base/tests/resolver/issues/3429/1/output.js Normal file
View File

@ -0,0 +1,4 @@
for(let r__1 = 0, t__1 = 1; r__1 < t__1; r__1++){
const t__2 = 6;
console.log(t__2);
}