feat: add a keymap_prefix to configure the default <leader>o

Author: sudo-tee

README.md

@@ -99,6 +99,7 @@ require('opencode').setup({
   preferred_completion = nil, -- 'blink', 'nvim-cmp','vim_complete' if nil, it will use the best available completion
   default_global_keymaps = true, -- If false, disables all default global keymaps
   default_mode = 'build', -- 'build' or 'plan' or any custom configured. @see [OpenCode Agents](https://opencode.ai/docs/modes/)
+  keymap_prefix = '<leader>o', -- Default keymap prefix for global keymaps change to your preferred prefix and it will be applied to all keymaps starting with <leader>o
   keymap = {
     editor = {
       ['<leader>og'] = { 'toggle' }, -- Open opencode. Close if opened

lua/opencode/config.lua

@@ -3,14 +3,14 @@
 ---@type OpencodeConfigModule
 ---@diagnostic disable-next-line: missing-fields
 local M = {}
-
 -- Default configuration
 ---@type OpencodeConfig
 M.defaults = {
   preferred_picker = nil,
   preferred_completion = nil,
   default_global_keymaps = true,
   default_mode = 'build',
+  keymap_prefix = '<leader>o',
   keymap = {
     editor = {
       ['<leader>og'] = { 'toggle' },
@@ -172,6 +172,17 @@ local function get_function_names(keymap_config)
   return names
 end
 
+function update_keymap_prefix(prefix, default_prefix)
+  for _, mappings in pairs(M.values.keymap) do
+    for key, func in pairs(mappings) do
+      if prefix ~= '' and key:sub(1, #default_prefix) == default_prefix then
+        mappings[prefix .. key:sub(#default_prefix + 1)] = func
+        mappings[key] = nil
+      end
+    end
+  end
+end
+
 --- Setup function to initialize or update the configuration
 --- @param opts OpencodeConfig
 function M.setup(opts)
@@ -203,14 +214,9 @@ function M.setup(opts)
     end
   end
 
-  -- Merge user options with defaults (deep merge for nested tables)
-  for k, v in pairs(opts) do
-    if type(v) == 'table' and type(M.values[k]) == 'table' then
-      M.values[k] = vim.tbl_deep_extend('force', M.values[k], v)
-    else
-      M.values[k] = v
-    end
-  end
+  M.values = vim.tbl_deep_extend('force', M.values, opts --[[@as OpencodeConfig]])
+
+  update_keymap_prefix(M.values.keymap_prefix, M.defaults.keymap_prefix)
 end
 
 function M.get(key)

lua/opencode/types.lua

@@ -123,6 +123,7 @@
 ---@field preferred_completion 'blink' | 'nvim-cmp' | 'vim_complete' | nil -- Preferred completion strategy for mentons and commands
 ---@field default_global_keymaps boolean
 ---@field default_mode 'build' | 'plan' | string -- Default mode
+---@field keymap_prefix string
 ---@field keymap OpencodeKeymap
 ---@field ui OpencodeUIConfig
 ---@field context OpencodeContextConfig