nvim: add Telescope picker for files from installed plugins

config/nvim/lua/fschauen/plugins/telescope.lua

@@ -23,6 +23,7 @@ local pickers = setmetatable({
   colorscheme = builtin("colorscheme", { enable_preview = true }),
   diagnostics = builtin("diagnostics", { bufnr = 0 }),
   dotfiles = builtin("find_files", { cwd = "~/.dotfiles", hidden = true }),
+  plugins = builtin("find_files", { cwd = vim.fn.stdpath("data") .. "/lazy" }),
   selection = function(title)
     return function()
       local text = require("fschauen.util").get_selected_text()
@@ -57,7 +58,20 @@ local keymap = function(spec)
   })
 end
 
-local keys = {
+return {
+  "nvim-telescope/telescope.nvim",
+
+  dependencies = {
+    "nvim-telescope/telescope-fzf-native.nvim",
+    build = "cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release "
+      .. "&& cmake --build build --config Release "
+      .. "&& cmake --install build --prefix build",
+  },
+
+  cmd = "Telescope",
+
+  keys = vim
+    .iter({
     -- stylua: ignore start
     { "a",  pickers.autocommands           "  Autocommands"         , desc = "[a]utocommands"            },
     { "b",  pickers.buffers                "  Buffers"              , desc = "[b]uffers"                 },
@@ -81,7 +95,7 @@ local keys = {
     { "m",  pickers.all_man_pages          "  Man pages"            , desc = "[m]an pages"               },
     --"n"   used in vim-notify
     { "o",  pickers.vim_options            "  Vim options"          , desc = "[o]ptions"                 },
-  --"p"
+    { "p",  pickers.plugins                "  Installed Plugins"    , desc = "[p]lugins"                 },
     { "q",  pickers.quickfix               "  Quickfix"             , desc = "[q]uickfix"                },
     { "r",  pickers.lsp_references         "  References"           , desc = "[r]eferences"              },
     { "R",  pickers.registers              "󱓥  Registers"            , desc = "[R]registers"              },
@@ -101,22 +115,9 @@ local keys = {
     { "/",  pickers.search_history         "  Search history"       , desc = "[/]search history"         },
     { " ",  pickers.resume                 "󰐎  Resume"               , desc = "Resume "                   },
       -- stylua: ignore end
-}
+    })
-
+    :map(keymap)
-return {
+    :totable(),
-  "nvim-telescope/telescope.nvim",
-
-  dependencies = {
-    "nvim-telescope/telescope-fzf-native.nvim",
-    build = "cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release "
-      .. "&& cmake --build build --config Release "
-      .. "&& cmake --install build --prefix build",
-  },
-
-  cmd = "Telescope",
-
-  ---@diagnostic disable-next-line: param-type-mismatch
-  keys = vim.iter(keys):map(keymap):totable(),
 
   -- Export this function so we can use in other plugins.
   keymap = keymap,