cmdbuf.nvim

Example

vim.keymap.set("n", "q:", function()
 require("cmdbuf").split_open(vim.o.cmdwinheight)
end)
vim.keymap.set("c", "<C-f>", function()
 require("cmdbuf").split_open(vim.o.cmdwinheight, { line = vim.fn.getcmdline(), column = vim.fn.getcmdpos() })
 vim.api.nvim_feedkeys(vim.keycode("<C-c>"), "n", true)
end)
-- Custom buffer mappings
vim.api.nvim_create_autocmd({ "User" }, {
 group = vim.api.nvim_create_augroup("config.cmdbuf", {}),
 pattern = { "CmdbufNew" },
 callback = function(args)
 vim.bo.bufhidden = "wipe" -- if you don't need previous opened buffer state
 vim.keymap.set("n", "q", [[<Cmd>quit<CR>]], { nowait = true, buffer = true })
 vim.keymap.set("n", "dd", [[<Cmd>lua require('cmdbuf').delete()<CR>]], { buffer = true })
 vim.keymap.set({ "n", "i" }, "<C-c>", function()
 return require("cmdbuf").cmdline_expr()
 end, { buffer = true, expr = true })
 local typ = require("cmdbuf").get_context().type
 if typ == "vim/cmd" then
 -- you can filter buffer lines
 local lines = vim
 .iter(vim.api.nvim_buf_get_lines(args.buf, 0, -1, false))
 :filter(function(line)
 return line ~= "q"
 end)
 :totable()
 vim.api.nvim_buf_set_lines(args.buf, 0, -1, false, lines)
 end
 end,
})
-- open lua command-line window
vim.keymap.set("n", "ql", function()
 require("cmdbuf").split_open(vim.o.cmdwinheight, { type = "lua/cmd" })
end)
-- q/, q? alternative
vim.keymap.set("n", "q/", function()
 require("cmdbuf").split_open(vim.o.cmdwinheight, { type = "vim/search/forward" })
end)
vim.keymap.set("n", "q?", function()
 require("cmdbuf").split_open(vim.o.cmdwinheight, { type = "vim/search/backward" })
end)