feat: add some new items and make mappings easier

lua/telescope/mappings.lua

@@ -29,14 +29,14 @@ end
 --[[
 Usage:
 
-mappings.apply_keymap(42, {
+mappings.apply_keymap(42, <function>, {
   n = {
     ["<leader>x"] = "just do this string",
 
     ["<CR>"] = function(picker, prompt_bufnr)
       actions.close_prompt()
 
-      local filename = ...
+>     local filename = ...
       vim.cmd(string.format(":e %s", filename))
     end,
   },
@@ -45,41 +45,75 @@ mappings.apply_keymap(42, {
   }
 })
 --]]
-mappings.apply_keymap = function(prompt_bufnr, buffer_keymap)
+local telescope_map = function(prompt_bufnr, mode, key_bind, key_func, opts)
+  opts = opts or {
+    silent = true
+  }
+
+  if type(key_func) == "string" then
+    a.nvim_buf_set_keymap(
+      prompt_bufnr,
+      mode,
+      key_bind,
+      key_func,
+      opts or {
+        silent = true
+      }
+    )
+  else
+    local key_id = assign_function(prompt_bufnr, key_func)
+    local prefix = ""
+
+    local map_string
+    if opts.expr then
+      map_string = string.format(
+        [[luaeval("require('telescope.mappings').execute_keymap(%s, %s)")]],
+        prompt_bufnr,
+        key_id
+      )
+    else
+      if mode == "i" and not opts.expr then
+        prefix = "<C-O>"
+      end
+
+      map_string = string.format(
+        "%s:lua require('telescope.mappings').execute_keymap(%s, %s)<CR>",
+        prefix,
+        prompt_bufnr,
+        key_id
+      )
+    end
+
+    a.nvim_buf_set_keymap(
+      prompt_bufnr,
+      mode,
+      key_bind,
+      map_string,
+      opts
+    )
+  end
+end
+
+mappings.apply_keymap = function(prompt_bufnr, attach_mappings, buffer_keymap)
+  local applied_mappings = { n = {}, i = {} }
+
+  local map = function(mode, key_bind, key_func, opts)
+    applied_mappings[mode][key_bind] = true
+
+    telescope_map(prompt_bufnr, mode, key_bind, key_func, opts)
+  end
+
+  if attach_mappings and not attach_mappings(map) then
+    return
+  end
+
   for mode, mode_map in pairs(buffer_keymap) do
+    -- TODO: Probalby should not overwrite any keymaps
+    -- local buffer_keymaps 
+
     for key_bind, key_func in pairs(mode_map) do
-      if type(key_func) == "string" then
-        a.nvim_buf_set_keymap(
-          prompt_bufnr,
-          mode,
-          key_bind,
-          key_func,
-          {
-            silent = true
-          }
-        )
-      else
-        local key_id = assign_function(prompt_bufnr, key_func)
-        local prefix = ""
-        if mode == "i" then
-          prefix = "<C-O>"
-        end
-
-        a.nvim_buf_set_keymap(
-          prompt_bufnr,
-          mode,
-          key_bind,
-          string.format(
-            "%s:lua require('telescope.mappings').execute_keymap(%s, %s)<CR>",
-            prefix,
-            prompt_bufnr,
-            key_id
-          ),
-          {
-            silent = true
-          }
-        )
-
+      if not applied_mappings[mode][key_bind] then
+        telescope_map(prompt_bufnr, mode, key_bind, key_func)
       end
     end
   end