Telescope extension for creating, documenting, and searching your Neovim keymappings.

I created nvim-keymapper as a replacement for Telescope's built-in keymaps picker. I wanted something that only shows my custom keymaps and will also show a short documentation string that I can use to help remember what some of the mappings do. The documentation strings are also searchable in the Telescope picker, and the picker uses highlight groups to distinguish sections.

1. Install Telescope.
2. Register nvim-keymapper as a Telescope extension:

   require('telescope').load_extension('nvim-keymapper')

3. Set up commands and keymappings:

   local keymapper = require('nvim-keymapper')    
   vim.api.nvim_create_user_command('Keymaps', keymapper.keymaps_picker, {desc = 'Telescope: Show keymaps'})
   vim.api.nvim_create_user_command('AllKeymaps', builtin.keymaps, {desc = 'Telescope: Show all keymaps'})
   keymapper.set('n', '<leader>k', ':Keymaps<CR>', {}, 'Telescope: Show keymaps')

Use the nvim-keymapper.set function to create your keymaps instead of vim.keymap.set. The first four arguments (mode, lhs, rhs, ops) are the same as vim.keymap.set and are passed through. The fifth argument is a documentation string and will also be set as opts.desc.

Example: Create a keymap for opening a terminal in a vertical split.

local keymapper = require('nvim-keymapper')
keymapper.set('n', '<leader>T', '<ESC>:vsplit | term<CR>', {}, 'Open a terminal in a vertical split')

You can start the Telescope picker using the Telescope command:

:Telescope nvim-keymapper keymaps_picker

Alternatively, if you set up the custom command and keymap above, you can use the :Keymaps command or the <leader>k keymap.

Pressing Enter after selecting a keymap in the picker will run that keymap.