From 5b597e7709eec08331ce71b45193117f6fb5626b Mon Sep 17 00:00:00 2001 From: Abe Nonym Date: Sat, 17 Jul 2021 13:53:05 +0200 Subject: [PATCH] fix: prevent error if preview scroll is triggered but no preview is available (#994) --- lua/telescope/actions/set.lua | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lua/telescope/actions/set.lua b/lua/telescope/actions/set.lua index 855400f..6ad786b 100644 --- a/lua/telescope/actions/set.lua +++ b/lua/telescope/actions/set.lua @@ -148,11 +148,18 @@ end ---@param direction number: The direction of the scrolling -- Valid directions include: "1", "-1" action_set.scroll_previewer = function (prompt_bufnr, direction) + local previewer = action_state.get_current_picker(prompt_bufnr).previewer + + -- Check if we actually have a previewer + if (type(previewer) ~= "table" or previewer.scroll_fn == 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 - action_state.get_current_picker(prompt_bufnr).previewer:scroll_fn(math.floor(speed * direction)) + previewer:scroll_fn(math.floor(speed * direction)) end -- ==================================================