added option for dropping unused params
This commit is contained in:
committed by
Mihai Bazon
parent
b1febde3e9
commit
e54df2226f
@@ -67,6 +67,7 @@ function Compressor(options, false_by_default) {
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cascade : !false_by_default,
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side_effects : !false_by_default,
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screw_ie8 : false,
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drop_unused : !false_by_default,
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warnings : true,
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global_defs : {}
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@@ -83,7 +84,7 @@ merge(Compressor.prototype, {
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before: function(node, descend, in_list) {
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if (node._squeezed) return node;
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if (node instanceof AST_Scope) {
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node.drop_unused(this);
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if (this.options.drop_unused) node.drop_unused(this);
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node = node.hoist_declarations(this);
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}
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descend(node, this);
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@@ -96,7 +97,7 @@ merge(Compressor.prototype, {
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// no point to repeat warnings.
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var save_warnings = this.options.warnings;
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this.options.warnings = false;
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node.drop_unused(this);
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if (this.options.drop_unused) node.drop_unused(this);
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this.options.warnings = save_warnings;
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}
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node._squeezed = true;
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