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Missing parenthesis in initializer of for loop #16628

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nicolo-ribaudo opened this issue Jul 10, 2024 · 0 comments · Fixed by #16630
Closed

Missing parenthesis in initializer of for loop #16628

nicolo-ribaudo opened this issue Jul 10, 2024 · 0 comments · Fixed by #16630
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Describe the bug

Babel is removing some parentheses form this for loop, and the resulting code logs 0 instead of 1

Input code

let count = 0;
for (var a = 1 || (2 in {}) in { x: 1 }) count  ;
console.log(count);

Expected behavior

Same code

Actual behavior

let count = 0;
for(var a = 1 || 2 in {} in {
    x: 1
})count  ;
console.log(count);
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Correctly print parens around in in for heads nicolo-ribaudo/babel
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