feat: initial commit; NixOS Era

pkgs/neovim/lua/BluePlum/keymap.lua

@@ -0,0 +1,87 @@
+--- Defaults to `{'n'}`
+--- @alias Mode 'n'|'v'|'Q'|'t'|'i'|'c'
+--- @alias Mapping string|fun(): nil
+
+--- @type table<string, { [string]: Mapping, modes: (Mode)[]? }>
+local keymap = {
+	move_lines = {
+		['<M-Up>'] = '<ESC>:move-2<CR>i',
+		['<M-Down>'] = '<ESC>:move+<CR>i',
+		modes = { 'i' },
+	},
+	half_screen_scroll = {
+		['<C-Up>'] = '<C-u>zz',
+		['<C-Down>'] = '<C-d>zz',
+	},
+	clipboard_yank = {
+		['<leader>y'] = '"+y',
+		modes = { 'n', 'v' },
+	},
+	terminal_escape = {
+		['<ESC>'] = '<C-\\><C-n>',
+		modes = { 't' },
+	},
+	terminal = {
+		['<leader>t'] = function()
+			OpenTerminal = OpenTerminal or nil
+
+			local open_buf = vim.api.nvim_get_current_buf()
+
+			if PreviousBuffer and open_buf == OpenTerminal then
+				vim.api.nvim_set_current_buf(PreviousBuffer)
+				PreviousBuffer = nil
+				return
+			end
+
+			PreviousBuffer = open_buf
+
+			if OpenTerminal then
+				vim.api.nvim_set_current_buf(OpenTerminal)
+				return
+			end
+
+			vim.cmd.term()
+			OpenTerminal = vim.api.nvim_get_current_buf()
+			vim.api.nvim_create_autocmd({ 'BufDelete' }, {
+				callback = function()
+					OpenTerminal = nil
+				end,
+				buffer = OpenTerminal,
+			})
+		end,
+	},
+	goto_last_buffer = {
+		['<leader>l'] = ':e#<CR>',
+	},
+	scratch_pad = {
+		['<leader>s'] = table.concat({
+			':bo vs',
+			':enew',
+			':setlocal noswapfile',
+			':setlocal bufhidden=hide',
+			':set filetype=markdown',
+			':set syntax=markdown',
+			'',
+		}, '<CR>'),
+	},
+	window_navigation = {
+		['<M-q>'] = '<C-w>q',
+		['<M-left>'] = '<C-w><left>',
+		['<M-right>'] = '<C-w><right>',
+		['<M-up>'] = '<C-w><up>',
+		['<M-down>'] = '<C-w><down>',
+	},
+}
+
+for _, tbl in pairs(keymap) do
+	for key, value in pairs(tbl) do
+		if key ~= 'modes' then
+			local modes = tbl.modes --[[ @as Mode[] ]]
+				or { 'n' }
+			for _, mode in ipairs(modes) do
+				--- @cast value Mapping
+				vim.keymap.set(mode, key, value)
+			end
+		end
+	end
+end