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mangle shadowed lambda under ie8 correctly (#3356)

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fixes #3355
This commit is contained in:
Alex Lam S.L
2019-04-01 15:22:00 +08:00
committed by GitHub
parent 4b21526310
commit a74e600fa0
2 changed files with 115 additions and 11 deletions
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18
lib/scope.js
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@@ -198,24 +198,20 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
}
if (node instanceof AST_SymbolLambda) {
var def = node.thedef;
if (def.orig.length == 1) {
redefine(node, node.scope.parent_scope);
node.thedef.init = def.init;
}
redefine(node, node.scope.parent_scope);
node.thedef.init = def.init;
return true;
}
}));
function redefine(node, scope) {
var name = node.name;
var refs = node.thedef.references;
var def = scope.find_variable(name) || self.globals.get(name) || scope.def_variable(node);
refs.forEach(function(ref) {
ref.thedef = def;
ref.reference(options);
var old_def = node.thedef;
var new_def = scope.find_variable(name) || self.globals.get(name) || scope.def_variable(node);
old_def.orig.concat(old_def.references).forEach(function(node) {
node.thedef = new_def;
node.reference(options);
});
node.thedef = def;
node.reference(options);
}
});