feat: toggle docs view instead of just showing it

README.md

@@ -8,7 +8,7 @@ A neovim plugin to display lsp hover documentation in a side panel.
 Using [vim-plug](https://github.com/junegunn/vim-plug)
 
 ```viml
-Plug 'amrbashir/nvim-docs-view'
+Plug 'amrbashir/nvim-docs-view', { 'on': 'DocsViewToggle'}
 
 lua << EOF
   require("docs-view").setup {
@@ -23,6 +23,8 @@ Using [packer.nvim](https://github.com/wbthomason/packer.nvim)
 ```lua
 use {
   "amrbashir/nvim-docs-view",
+  opt = true,
+  cmd = { "DocsViewToggle" },
   config = function()
     require("docs-view").setup {
       position = "right",
@@ -34,7 +36,7 @@ use {
 
 ## Usage
 
-Use `:DocsViewShow` to open the docs view side panel
+Use `:DocsViewToggle` to open/close the docs view side panel
 
 ## LICENSE
 

lua/docs-view.lua

@@ -14,11 +14,15 @@ M.setup = function(conf)
   end
 end
 
-local buf, win, start_win
-M.show = function()
-  if win and vim.api.nvim_win_is_valid(win) then return end
-
-  start_win = vim.api.nvim_get_current_win()
+local buf, win, prev_win
+M.toggle = function()
+  if win and vim.api.nvim_win_is_valid(win) then
+    vim.api.nvim_win_close(win, true)
+    win = nil
+    buf = nil
+    prev_win = nil
+  else
+    prev_win = vim.api.nvim_get_current_win()
 
     if config.position == "left" then
       vim.api.nvim_command("topleft vnew")
@@ -37,7 +41,7 @@ M.show = function()
     vim.api.nvim_buf_set_option(buf, "bufhidden", "wipe")
     vim.api.nvim_buf_set_option(buf, "filetype", "nvim-docs-view")
 
-  vim.api.nvim_set_current_win(start_win)
+    vim.api.nvim_set_current_win(prev_win)
 
     vim.api.nvim_create_autocmd(
       { "CursorHold" },
@@ -62,5 +66,6 @@ M.show = function()
       }
     )
   end
+end
 
 return M

plugin/docs-view.vim

@@ -3,5 +3,5 @@ if exists('g:loaded_docs_view')
 endif
 let g:loaded_docs_view = 1
 
-command! -nargs=0 DocsViewShow lua require("docs-view").show()
+command! -nargs=0 DocsViewToggle lua require("docs-view").toggle()