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fix unsafe expansion of object literals (#2390)

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Alex Lam S.L
2017-10-22 15:00:36 +08:00
committed by GitHub
parent 516eaef50c
commit 5fd723f143
2 changed files with 24 additions and 6 deletions
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11
lib/compress.js
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@@ -4499,12 +4499,11 @@ merge(Compressor.prototype, {
for (var i = values.length; --i >= 0;) {
if (values[i].key === self.property) {
var value = values[i].value;
if (value instanceof AST_Function ? !value.contains_this() : !value.has_side_effects(compressor)) {
var obj = self.expression.clone();
obj.properties = obj.properties.slice();
obj.properties.splice(i, 1);
return make_sequence(self, [ obj, value ]).optimize(compressor);
}
if (value instanceof AST_Function ? value.contains_this() : value.has_side_effects(compressor)) break;
var obj = self.expression.clone();
obj.properties = obj.properties.slice();
obj.properties.splice(i, 1);
return make_sequence(self, [ obj, value ]).optimize(compressor);
}
}
}