feat: ability to search in installed apidocs

README.md

@@ -107,6 +107,7 @@ Available commands:
 - `DevdocsOpenFloat`: Open documentation in a floating window, 0 or 1 arg.
 - `DevdocsOpenCurrent`: Open documentation for the current filetype in a normal buffer.
 - `DevdocsOpenCurrentFloat`: Open documentation for the current filetype in a floating window.
+- `DevdocsGrep`: Search in the installed apidocs.
 - `DevdocsUpdate`: Update documentation, 0-n args.
 - `DevdocsUpdateAll`: Update all documentations.
 

lua/nvim-devdocs/init.lua

@@ -72,6 +72,15 @@ M.keywordprg = function(args)
   end
 end
 
+M.grep = function(args)
+  if vim.tbl_isempty(args.fargs) then
+    pickers.open_picker_grep("")
+  else
+    local alias = args.fargs[1]
+    pickers.open_picker_grep(alias)
+  end
+end
+
 M.setup = function(opts)
   config.setup(opts)
 
@@ -86,6 +95,7 @@ M.setup = function(opts)
   cmd("DevdocsUninstall", M.uninstall_doc, { nargs = "*", complete = completion.get_installed })
   cmd("DevdocsOpen", M.open_doc, { nargs = "?", complete = completion.get_installed })
   cmd("DevdocsOpenFloat", M.open_doc_float, { nargs = "?", complete = completion.get_installed })
+  cmd("DevdocsGrep", M.grep, { nargs = "?", complete = completion.get_installed })
   cmd("DevdocsOpenCurrent", function() M.open_doc_current_file() end, {})
   cmd("DevdocsOpenCurrentFloat", function() M.open_doc_current_file(true) end, {})
   cmd("DevdocsKeywordprg", M.keywordprg, { nargs = "?" })

lua/nvim-devdocs/pickers.lua

@@ -48,7 +48,7 @@ local metadata_previewer = previewers.new_buffer_previewer({
 
 local doc_previewer = previewers.new_buffer_previewer({
   title = "Preview",
-  keep_last_buf = true,
+  -- keep_last_buf = true,
   define_preview = function(self, entry)
     local bufnr = self.state.bufnr
 
@@ -176,6 +176,10 @@ M.open_picker = function(entries, float)
   picker:find()
 end
 
+M.open_picker_grep = function(subfolder)
+  require('telescope.builtin').live_grep({cwd=DOCS_DIR:joinpath(subfolder).filename})
+end
+
 ---@param alias string
 ---@param float? boolean
 M.open_picker_alias = function(alias, float)