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about:welcomeback - fix an error "invalid 'in' operand gTreeData[idx]" in aboutSessionRestore.js

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janekptacijarabaci 2018-05-13 08:29:42 +02:00 • committed by Roy Tam
commit 80abe5b30b
1 changed files with 3 additions and 1 deletions
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4
browser/components/sessionstore/content/aboutSessionRestore.js
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@ -289,7 +289,9 @@ var treeView = {
get rowCount() { return gTreeData.length; },
setTree: function(treeBox) { this.treeBox = treeBox; },
getCellText: function(idx, column) { return gTreeData[idx].label; },
isContainer: function(idx) { return "open" in gTreeData[idx]; },
isContainer: function(idx) {
return gTreeData[idx] ? "open" in gTreeData[idx] : false;
},
getCellValue: function(idx, column){ return gTreeData[idx].checked; },
isContainerOpen: function(idx) { return gTreeData[idx].open; },
isContainerEmpty: function(idx) { return false; },