update(previewer): keep buffers

Do not delete buffers to allow navigation using CTRL-I and CTRL-O.

Author: luckasRanarison

lua/nvim-devdocs/operations.lua

@@ -295,7 +295,7 @@ end
 M.keywordprg = function(keyword)
   local alias = state.get("current_doc")
   local float = state.get("last_mode") == "float"
-  local bufnr = state.get("last_bufnr")
+  local bufnr = vim.api.nvim_create_buf(false, false)
   local entries = M.get_entries(alias)
   local entry
 

lua/nvim-devdocs/pickers.lua

@@ -76,7 +76,6 @@ local open_doc = function(selection, float)
     bufnr = state.get_global_key("last_preview_bufnr")
   end
 
-  plugin_state.set("last_bufnr", bufnr)
   plugin_state.set("last_mode", float and "float" or "normal")
   operations.open(selection.value, bufnr, float)
 end

lua/nvim-devdocs/state.lua

@@ -4,7 +4,6 @@ local state = {
   current_doc = nil, -- ex: "javascript", used for `keywordprg`
   preview_lines = nil,
   last_win = nil,
-  last_bufnr = nil,
   last_mode = nil, -- "normal" | "float"
 }