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fix(autocmds): guard debounced cursor action against wiped buffer #519

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Merged
OXY2DEV merged 1 commit into from
Jul 6, 2026
Merged

fix(autocmds): guard debounced cursor action against wiped buffer #519

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8 changes: 8 additions & 0 deletions lua/markview/autocmds.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -352,6 +352,14 @@ autocmds.cursor = function (args)
end

local function action ()
-- The debounce timer + vim.schedule_wrap mean this closure runs on a
-- later event-loop tick than the autocmd that queued it. The buffer
-- captured in `args.buf` may have been wiped in the meantime (e.g. a
-- transient Telescope preview or scratch buffer), leaving a dangling
-- id. Re-validate here, before any nvim_buf_* call reaches it.
if not args.buf or not vim.api.nvim_buf_is_valid(args.buf) then
return;
end
require("markview.health").print({
from = "markview/autocmds.lua",
fn = "cursor() -> action()",
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