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fix(es/compat): Handle nested for loops with break/continue (#4777)

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Austaras 2022-05-24 19:32:49 +08:00 committed by GitHub
parent 5ddd2dca6d
commit 4f00914c1a
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3 changed files with 33 additions and 4 deletions
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4
crates/swc_ecma_transforms_compat/src/es2015/block_scoping/mod.rs
View File

@ -796,10 +796,6 @@ impl VisitMut for FlowHelper<'_> {
match node {
Stmt::Continue(ContinueStmt { label, .. }) => {
if self.in_nested_loop {
return;
}
let value = if let Some(label) = label {
let value: JsWord = format!("continue|{}", label.sym).into();
self.label

9
crates/swc_ecma_transforms_compat/tests/block-scoping/issue-4238/1/input.js Normal file
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@ -0,0 +1,9 @@
out: for (let i = 0; i < 4; i++) {
for (let j = 0; j < 4; ++j) {
if (i < 2) continue out;
[1].forEach((_) => {
console.log(i, j);
});
}
}

24
crates/swc_ecma_transforms_compat/tests/block-scoping/issue-4238/1/output.js Normal file
View File

@ -0,0 +1,24 @@
var _loop = function(i) {
var _loop1 = function(j) {
if (i < 2) return "continue|out";
[
1
].forEach((_)=>{
console.log(i, j);
});
};
for(var j = 0; j < 4; ++j){
var _ret1 = _loop1(j);
switch(_ret1){
case "continue|out":
return "continue|out";
}
}
};
out: for(var i = 0; i < 4; i++){
var _ret = _loop(i);
switch(_ret){
case "continue|out":
continue out;
}
}