added option for dropping unused params

This commit is contained in:
Dusan Bartos
2013-07-25 15:32:21 +02:00
committed by Mihai Bazon
parent b1febde3e9
commit e54df2226f

View File

@@ -67,6 +67,7 @@ function Compressor(options, false_by_default) {
cascade : !false_by_default,
side_effects : !false_by_default,
screw_ie8 : false,
drop_unused : !false_by_default,
warnings : true,
global_defs : {}
@@ -83,7 +84,7 @@ merge(Compressor.prototype, {
before: function(node, descend, in_list) {
if (node._squeezed) return node;
if (node instanceof AST_Scope) {
node.drop_unused(this);
if (this.options.drop_unused) node.drop_unused(this);
node = node.hoist_declarations(this);
}
descend(node, this);
@@ -96,7 +97,7 @@ merge(Compressor.prototype, {
// no point to repeat warnings.
var save_warnings = this.options.warnings;
this.options.warnings = false;
node.drop_unused(this);
if (this.options.drop_unused) node.drop_unused(this);
this.options.warnings = save_warnings;
}
node._squeezed = true;