feat(terminal): added Snacks.terminal.colorize() to replace ansi codes by colors

lua/snacks/terminal.lua

@@ -167,4 +167,38 @@ function M.parse(cmd)
   return args
 end
 
+--- Colorize the current buffer.
+--- Replaces ansii color codes with the actual colors.
+---
+--- Example:
+---
+--- ```lua
+--- ls -la | nvim - -c "lua Snacks.terminal.colorize()"
+--- ```
+function M.colorize()
+  vim.wo.number = false
+  vim.wo.relativenumber = false
+  vim.wo.statuscolumn = ""
+  vim.wo.signcolumn = "no"
+  vim.opt.listchars = { space = " " }
+
+  local buf = vim.api.nvim_get_current_buf()
+
+  local lines = vim.api.nvim_buf_get_lines(buf, 0, -1, false)
+  while #lines > 0 and vim.trim(lines[#lines]) == "" do
+    lines[#lines] = nil
+  end
+  vim.api.nvim_buf_set_lines(buf, 0, -1, false, {})
+
+  vim.api.nvim_chan_send(vim.api.nvim_open_term(buf, {}), table.concat(lines, "\r\n"))
+  vim.keymap.set("n", "q", "<cmd>q<cr>", { silent = true, buffer = buf })
+  vim.api.nvim_create_autocmd("TextChanged", {
+    buffer = buf,
+    callback = function()
+      pcall(vim.api.nvim_win_set_cursor, 0, { #lines, 0 })
+    end,
+  })
+  vim.api.nvim_create_autocmd("TermEnter", { buffer = buf, command = "stopinsert" })
+end
+
 return M