my-nvim-setup/lua/plugins/terminal.lua

return {
  {
    "akinsho/toggleterm.nvim",
    version = "*",
    config = function()
      local copts = require "custom_opts"

      require("toggleterm").setup {
        size = function(term)
          if term.direction == "horizontal" then
            return 15
          elseif term.direction == "vertical" then
            return vim.o.columns * 0.4
          end
        end,
        highlights = {
          Normal = {
            link = "Normal",
          },
          NormalFloat = {
            link = "Normal",
          },
          FloatBorder = {
            link = "FloatBorder",
          },
          SignColumn = {
            link = "EndOfBuffer",
          },
          EndOfBuffer = {
            link = "EndOfBuffer",
          },
        },
        float_opts = {
          border = "rounded",
          -- winblend = copts.window_transparency,
          width = function(term)
            local columns = vim.api.nvim_get_option "columns"
            local w = math.floor(columns * copts.terminal_size)
            return (w < 20) and 20 or w
          end,
          height = function(term)
            local lines = vim.api.nvim_get_option "lines"
            local h = math.floor(lines * (copts.terminal_size + 0.1))
            return (h < 35) and 35 or h
          end,
        },
        persist_size = true,
        persist_mode = true,
        autochdir = true,
      }
    end,
  },
}