diff options
| author | Alex Lam S.L <alexlamsl@gmail.com> | 2020-11-18 21:44:47 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-19 05:44:47 +0800 |
| commit | aecbabc587247f65316988629d17aa29383f9156 (patch) | |
| tree | 09ae36682cb966488728bb52dccc6ee30fe3cc9a /lib | |
| parent | fd6544b34011a30bd869d2447b744fe51d0d741f (diff) | |
| download | tracifyjs-aecbabc587247f65316988629d17aa29383f9156.tar.gz tracifyjs-aecbabc587247f65316988629d17aa29383f9156.zip | |
fix corner case in `merge_vars` (#4302)
fixes #4301
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compress.js | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/compress.js b/lib/compress.js index 0f1342f7..f0453d6a 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -4635,14 +4635,27 @@ merge(Compressor.prototype, { var lhs = node.left; if (lhs instanceof AST_Destructured) { node.right.walk(tw); - lhs.mark_symbol(function(node) { - if (node instanceof AST_SymbolRef) { + var marker = new TreeWalker(function(node) { + if (node instanceof AST_Destructured) return; + if (node instanceof AST_DestructuredKeyVal) { + if (node.key instanceof AST_Node) { + push(); + node.key.walk(tw); + pop(); + push(); + node.value.walk(marker); + pop(); + } else { + node.value.walk(marker); + } + } else if (node instanceof AST_SymbolRef) { mark(node, false, true); } else { node.walk(tw); } return true; - }, tw); + }); + lhs.walk(marker); return true; } if (lhs instanceof AST_SymbolRef) { |