From 77b61eaf592fe7d1c300ac55625a0f3bb2302b9a Mon Sep 17 00:00:00 2001
From: Martin Larsson <larssonmartin1998@gmail.com>
Date: Sun, 30 Jun 2024 23:47:25 +0200
Subject: [PATCH] Optimize and slightly refactor the setup for telescope. We
 now only setup our theme and the picker options once instead of each time we
 call to open one.

---
 home/.config/nvim/lua/plugs/telescope.lua | 98 +++++++++++++----------
 1 file changed, 56 insertions(+), 42 deletions(-)

diff --git a/home/.config/nvim/lua/plugs/telescope.lua b/home/.config/nvim/lua/plugs/telescope.lua
index da3b0c5..b562ac9 100644
--- a/home/.config/nvim/lua/plugs/telescope.lua
+++ b/home/.config/nvim/lua/plugs/telescope.lua
@@ -5,16 +5,6 @@ return {
         "nvim-telescope/telescope-fzf-native.nvim",
     },
     config = function()
-        local dropdown = require("telescope.themes").get_dropdown({
-            borderchars = {
-                prompt = { "─", "│", "─", "│", "┌", "┐", "┘", "└" },
-                results = { "─", "│", "─", "│", "├", "┤", "┘", "└" },
-                preview = { "─", "│", "─", "│", "┌", "┐", "┘", "└" },
-            },
-            prompt_title = "",
-            winblend = 20
-        })
-
         require("telescope").setup({
             extensions = {
                 fzf = {
@@ -28,38 +18,62 @@ return {
 
         require("telescope").load_extension("fzf")
         local builtin = require("telescope.builtin")
-        require("utils").add_keymaps({
-            n = {
-                ["<leader>to"] = {
-                    cmd = function()
-                        builtin.find_files(vim.tbl_extend("force", dropdown, {
-                            prompt_prefix = "Files> ",
-                            previewer = false,
-                        }))
-                    end
-                },
-                ["<leader>tf"] = {
-                    cmd = function()
-                        builtin.current_buffer_fuzzy_find(vim.tbl_extend("force", dropdown, {
-                            prompt_prefix = "Find> "
-                        }))
-                    end
-                },
-                ["<leader>ta"] = {
-                    cmd = function()
-                        builtin.live_grep(vim.tbl_extend("force", dropdown, {
-                            prompt_prefix = "Grep> "
-                        }))
-                    end
-                },
-                ["<leader>tb"] = {
-                    cmd = function()
-                        builtin.marks(vim.tbl_extend("force", dropdown, {
-                            prompt_prefix = "Marks> "
-                        }))
-                    end
-                }
-            }
+
+        local dropdown = require("telescope.themes").get_dropdown({
+            borderchars = {
+                prompt = { "─", "│", "─", "│", "┌", "┐", "┘", "└" },
+                results = { "─", "│", "─", "│", "├", "┤", "┘", "└" },
+                preview = { "─", "│", "─", "│", "┌", "┐", "┘", "└" },
+            },
+            prompt_title = "",
+            winblend = 20
         })
+
+        local pickers = {
+            {
+                fn = builtin.find_files,
+                key = "o",
+                picker_opts = {
+                    prompt_prefix = "Files> ",
+                    previewer = false,
+                },
+            },
+            {
+                fn = builtin.current_buffer_fuzzy_find,
+                key = "f",
+                picker_opts = {
+                    prompt_prefix = "Find> "
+                },
+            },
+            {
+                fn = builtin.live_grep,
+                key = "a",
+                picker_opts = {
+                    prompt_prefix = "Grep> "
+                },
+            },
+            {
+                fn = builtin.marks,
+                key = "b",
+                picker_opts = {
+                    prompt_prefix = "Marks> "
+                },
+            },
+        }
+        -- Cache the options with the dropdown theme for each picker so we don't
+        -- recalculate it every time we open a picker
+        for _, v in ipairs(pickers) do
+            v.picker_opts = vim.tbl_extend("force", dropdown, v.picker_opts)
+        end
+
+        local keymaps = { n = {} }
+        for _, v in ipairs(pickers) do
+            keymaps.n["<leader>t" .. v.key] = {
+                cmd = function()
+                    v.fn(v.picker_opts)
+                end
+            }
+        end
+        require("utils").add_keymaps(keymaps)
     end,
 }