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handle missing scopes in strict mode when checking iteration #1286 #1287

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Sep 7, 2023
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4 changes: 3 additions & 1 deletion packages/core-js/internals/check-correctness-of-iteration.js
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,9 @@ try {
} catch (error) { /* empty */ }

module.exports = function (exec, SKIP_CLOSING) {
if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
try {
if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
} catch (error) { return false; } // it is not safe when the `SAFE_CLOSING` is not in the current scope
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var ITERATION_SUPPORT = false;
try {
var object = {};
Expand Down