From dbfa5d4d14c1984da94c2435f349ecbd3dbb36e9 Mon Sep 17 00:00:00 2001 From: "Alex Lam S.L" Date: Sun, 10 Jan 2021 16:01:49 +0000 Subject: fix corner case in `ie8` (#4532) fixes #4531 --- lib/scope.js | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'lib') diff --git a/lib/scope.js b/lib/scope.js index 689100cf..a241cc59 100644 --- a/lib/scope.js +++ b/lib/scope.js @@ -311,8 +311,9 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) { } if (node instanceof AST_SymbolLambda) { var def = node.thedef; - redefine(node, node.scope.parent_scope.resolve()); - if (typeof node.thedef.init !== "undefined") { + if (!redefine(node, node.scope.parent_scope.resolve())) { + delete def.defun; + } else if (typeof node.thedef.init !== "undefined") { node.thedef.init = false; } else if (def.init) { node.thedef.init = def.init; @@ -332,7 +333,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) { var old_def = node.thedef; if (!all(old_def.orig, function(sym) { return !(sym instanceof AST_SymbolConst || sym instanceof AST_SymbolLet); - })) return; + })) return false; var new_def = scope.find_variable(name); if (new_def) { var redef = new_def.redefined(); @@ -352,6 +353,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) { node.reference(options); }); if (new_def.undeclared) self.variables.set(name, new_def); + return true; } }); -- cgit v1.2.3