if (!compressor.option("side_effects"))
return self;
if (!self.car.has_side_effects(compressor)) {
- // we shouldn't compress (1,eval)(something) to
- // eval(something) because that changes the meaning of
- // eval (becomes lexical instead of global).
- var p;
- if (!(self.cdr instanceof AST_SymbolRef
- && self.cdr.name == "eval"
- && self.cdr.undeclared()
- && (p = compressor.parent()) instanceof AST_Call
- && p.expression === self)) {
+ // we shouldn't compress (1,func)(something) to
+ // func(something) because that changes the meaning of
+ // the func (becomes lexical instead of global).
+ var p = compressor.parent();
+ if (!(p instanceof AST_Call && p.expression === self)) {
return self.cdr;
}
}
--- /dev/null
+remove_redundant_sequence_items: {
+ options = { side_effects: true };
+ input: {
+ (0, 1, logThis)();
+ (0, 1, _decorators.logThis)();
+ }
+ expect: {
+ (0, logThis)();
+ (0, _decorators.logThis)();
+ }
+}
+
+dont_remove_lexical_binding_sequence: {
+ options = { side_effects: true };
+ input: {
+ (0, logThis)();
+ (0, _decorators.logThis)();
+ }
+ expect: {
+ (0, logThis)();
+ (0, _decorators.logThis)();
+ }
+}