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fix: check for window before scrolling previewer (#2163)

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This avoids an error when scrolling the preview window
but the window is not visible (e.g. due to a screen resize).
This commit is contained in:
Jonas Strittmatter
2022-09-17 10:15:36 +02:00
committed by GitHub
parent 4a43d13c95
commit 30e2dc5232
1 changed files with 3 additions and 3 deletions
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6
lua/telescope/actions/set.lua
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@@ -185,13 +185,13 @@ end
-- Valid directions include: "1", "-1"
action_set.scroll_previewer = function(prompt_bufnr, direction)
local previewer = action_state.get_current_picker(prompt_bufnr).previewer
local status = state.get_status(prompt_bufnr)
-- Check if we actually have a previewer
if type(previewer) ~= "table" or previewer.scroll_fn == nil then
-- Check if we actually have a previewer and a preview window
if type(previewer) ~= "table" or previewer.scroll_fn == nil or status.preview_win == nil then
return
end
local status = state.get_status(prompt_bufnr)
local default_speed = vim.api.nvim_win_get_height(status.preview_win) / 2
local speed = status.picker.layout_config.scroll_speed or default_speed