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added unsafe_comps for negating <= with >

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since it has the potential to break code, let's keep it disabled by default
This commit is contained in:
Mihai Bazon
2012-11-01 15:14:56 +02:00
parent d4c25c571b
commit 18270dd9f3
1 changed files with 2 additions and 1 deletions
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3
lib/compress.js
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@@ -53,6 +53,7 @@ function Compressor(options, false_by_default) {
dead_code : !false_by_default, dead_code : !false_by_default,
drop_debugger : !false_by_default, drop_debugger : !false_by_default,
unsafe : !false_by_default, unsafe : !false_by_default,
unsafe_comps : false,
conditionals : !false_by_default, conditionals : !false_by_default,
comparisons : !false_by_default, comparisons : !false_by_default,
evaluate : !false_by_default, evaluate : !false_by_default,
@@ -703,7 +704,7 @@ merge(Compressor.prototype, {
}); });
def(AST_Binary, function(compressor){ def(AST_Binary, function(compressor){
var self = this.clone(), op = this.operator; var self = this.clone(), op = this.operator;
if (compressor.option("comparisons") && compressor.option("unsafe")) { if (compressor.option("unsafe_comps")) {
switch (op) { switch (op) {
case "<=" : self.operator = ">" ; return self; case "<=" : self.operator = ">" ; return self;
case "<" : self.operator = ">=" ; return self; case "<" : self.operator = ">=" ; return self;