local group = vim.api.nvim_create_augroup("PrismiteNvim", { clear = true })
vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
    group = group,
    callback = function()
        if require("nvim-tree.utils").is_nvim_tree_buf() then
            vim.cmd "stopinsert"
        end
    end,
})

-- By https://github.com/marvinth01, taken from https://github.com/nvim-tree/nvim-tree.lua/wiki/Auto-Close#marvinth01
vim.api.nvim_create_autocmd("QuitPre", {
    group = group,
    callback = function()
        local tree_wins = {}
        local floating_wins = {}
        local wins = vim.api.nvim_list_wins()
        for _, w in ipairs(wins) do
            local bufname = vim.api.nvim_buf_get_name(vim.api.nvim_win_get_buf(w))
            if bufname:match "NvimTree_" ~= nil then
                table.insert(tree_wins, w)
            end
            if vim.api.nvim_win_get_config(w).relative ~= "" then
                table.insert(floating_wins, w)
            end
        end
        if 1 == #wins - #floating_wins - #tree_wins then
            -- Should quit, so we close all invalid windows.
            for _, w in ipairs(tree_wins) do
                vim.api.nvim_win_close(w, true)
            end
        end
    end,
})