From a3690ed8ca90823787fbaddb72f0a1874f1e999d Mon Sep 17 00:00:00 2001
From: Gustaf Rydholm <gustaf.rydholm@gmail.com>
Date: Wed, 17 Nov 2021 22:24:43 +0100
Subject: Add lunarvim update to lsp/general

---
 .config/nvim/lua/keymappings.lua | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

(limited to '.config/nvim/lua/keymappings.lua')

diff --git a/.config/nvim/lua/keymappings.lua b/.config/nvim/lua/keymappings.lua
index 5d71b97..74f4233 100644
--- a/.config/nvim/lua/keymappings.lua
+++ b/.config/nvim/lua/keymappings.lua
@@ -24,13 +24,34 @@ local mode_adapters = {
 -- Append key mappings to lunarvim's defaults for a given mode
 -- @param keymaps The table of key mappings containing a list per mode (normal_mode, insert_mode, ..)
 function M.append_to_defaults(keymaps)
+  local default = M.get_defaults()
+  options.keys = options.keys or default
   for mode, mappings in pairs(keymaps) do
-    for k, v in ipairs(mappings) do
+    options.keys[mode] = options.keys[mode] or default[mode]
+    for k, v in pairs(mappings) do
       options.keys[mode][k] = v
     end
   end
 end
 
+-- Unsets all keybindings defined in keymaps
+-- @param keymaps The table of key mappings containing a list per mode (normal_mode, insert_mode, ..)
+function M.clear(keymaps)
+  local default = M.get_defaults()
+  for mode, mappings in pairs(keymaps) do
+    local translated_mode = mode_adapters[mode] and mode_adapters[mode] or mode
+    for key, _ in pairs(mappings) do
+      -- some plugins may override default bindings that the user hasn't manually overriden
+      if
+        default[mode][key] ~= nil
+        or (default[translated_mode] ~= nil and default[translated_mode][key] ~= nil)
+      then
+        pcall(vim.api.nvim_del_keymap, translated_mode, key)
+      end
+    end
+  end
+end
+
 -- Set key mappings individually
 -- @param mode The keymap mode, can be one of the keys of mode_adapters
 -- @param key The key of keymap
@@ -41,7 +62,11 @@ function M.set_keymaps(mode, key, val)
     opt = val[2]
     val = val[1]
   end
-  vim.api.nvim_set_keymap(mode, key, val, opt)
+  if val then
+    vim.api.nvim_set_keymap(mode, key, val, opt)
+  else
+    pcall(vim.api.nvim_del_keymap, mode, key)
+  end
 end
 
 -- Load key mappings for a given mode
-- 
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