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fix: arithmetic on nil value error on first git project open #3064

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Merged
merged 3 commits into from
Feb 9, 2025
Merged

fix: arithmetic on nil value error on first git project open #3064

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e9df34f
fixed error message when opening new git repo
bafto Feb 2, 2025
13f7206
defensive nil + type check
bafto Feb 3, 2025
15c8615
Merge branch 'master' into nil-arithmetic-fix
alex-courtis Feb 8, 2025
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2 changes: 1 addition & 1 deletion lua/nvim-tree/explorer/init.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -391,7 +391,7 @@ function Explorer:populate_children(handle, cwd, node, project, parent)
end
else
for reason, value in pairs(FILTER_REASON) do
if filter_reason == value then
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It looks like node.hidden_stats could still be nil, as it's an optional member.

How about something really defensive like:

diff --git a/lua/nvim-tree/explorer/init.lua b/lua/nvim-tree/explorer/init.lua
index 0fdd46a..c42ffe0 100644
--- a/lua/nvim-tree/explorer/init.lua
+++ b/lua/nvim-tree/explorer/init.lua
@@ -389,9 +389,9 @@ function Explorer:populate_children(handle, cwd, node, project, parent)
           nodes_by_path[child.absolute_path] = true
           child:update_git_status(node_ignored, project)
         end
-      else
+      elseif node.hidden_stats then
         for reason, value in pairs(FILTER_REASON) do
-          if filter_reason == value then
+          if filter_reason == value and type(node.hidden_stats[reason]) == "number" then
             node.hidden_stats[reason] = node.hidden_stats[reason] + 1
           end
         end

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Implemented it and it works for me as well.
I only have this issue on windows so this defensive version might be better to not break anything on linux.

if filter_reason == value and filter_reason ~= FILTER_REASON.none then
node.hidden_stats[reason] = node.hidden_stats[reason] + 1
end
end
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