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| author | Mihai Bazon <mihai@bazon.net> | 2013-11-08 11:57:17 +0200 |
|---|---|---|
| committer | Mihai Bazon <mihai@bazon.net> | 2013-11-08 11:57:17 +0200 |
| commit | 7d11b96f48f7f03727fa664d540484f214cadca2 (patch) | |
| tree | 4a137f8e51f9845950395e2cddfc962f0610c5d2 /lib/compress.js | |
| parent | eab99a1c3d229f7e73b91b5a28e5ebf53a24671b (diff) | |
| download | tracifyjs-7d11b96f48f7f03727fa664d540484f214cadca2.tar.gz tracifyjs-7d11b96f48f7f03727fa664d540484f214cadca2.zip | |
Only descend twice after drop_unused if it's the same node type.
Fix #345
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/compress.js b/lib/compress.js index f44277cd..c60ee19e 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -85,13 +85,14 @@ merge(Compressor.prototype, { }, before: function(node, descend, in_list) { if (node._squeezed) return node; + var was_scope = false; if (node instanceof AST_Scope) { - //node.drop_unused(this); node = node.hoist_declarations(this); + was_scope = true; } descend(node, this); node = node.optimize(this); - if (node instanceof AST_Scope) { + if (was_scope && node instanceof AST_Scope) { node.drop_unused(this); descend(node, this); } |