JoBoEVD/UglifyJS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

enhance collapse_vars (#4735)

Browse Source
This commit is contained in:
Alex Lam S.L
2021-03-05 05:18:01 +00:00
committed by GitHub
parent cb50a2d192
commit dd30ed6a9b
6 changed files with 87 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
lib/compress.js
View File

@@ -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) {