diff options
| author | Alex Lam S.L <alexlamsl@gmail.com> | 2021-03-05 05:18:01 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-05 13:18:01 +0800 |
| commit | dd30ed6a9bf108f05b103eef81d84f91ae4c6322 (patch) | |
| tree | 206a02f962fcbbec0a3747789e6a17b56b31e815 /lib/compress.js | |
| parent | cb50a2d192ef8be1aac7577d6ec9c06f27b71232 (diff) | |
| download | tracifyjs-dd30ed6a9bf108f05b103eef81d84f91ae4c6322.tar.gz tracifyjs-dd30ed6a9bf108f05b103eef81d84f91ae4c6322.zip | |
enhance `collapse_vars` (#4735)
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 6a59a9d5..c9ba218d 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -2068,8 +2068,9 @@ merge(Compressor.prototype, { if (node instanceof AST_ObjectIdentity) return symbol_in_lvalues(node, parent); if (node instanceof AST_PropAccess) { var exp = node.expression; - return side_effects || !value_def && exp.may_throw_on_access(compressor) - || exp instanceof AST_SymbolRef && is_arguments(exp.definition()); + return side_effects + || exp instanceof AST_SymbolRef && is_arguments(exp.definition()) + || !value_def && (in_try || !lhs_local) && exp.may_throw_on_access(compressor); } if (node instanceof AST_Spread) return true; if (node instanceof AST_SymbolRef) { |