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it's safe to negate expression in !EXP only in boolean context

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#kendo
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Mihai Bazon
2012-11-01 15:49:05 +02:00
parent 18270dd9f3
commit cf409800be
1 changed files with 3 additions and 3 deletions
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lib/compress.js
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@@ -1446,10 +1446,10 @@ merge(Compressor.prototype, {
compressor.warn("Boolean expression always true [{file}:{line},{col}]", self.start); compressor.warn("Boolean expression always true [{file}:{line},{col}]", self.start);
return make_node(AST_True, self); return make_node(AST_True, self);
} }
}
if (e instanceof AST_Binary && self.operator == "!") { if (e instanceof AST_Binary && self.operator == "!") {
self = best_of(self, e.negate(compressor)); self = best_of(self, e.negate(compressor));
} }
}
return self.evaluate(compressor)[0]; return self.evaluate(compressor)[0];
}); });