local augroup = vim.api.nvim_create_augroup('numbertoggle', { clear = true })
vim.api.nvim_create_autocmd({ 'BufEnter', 'FocusGained', 'InsertLeave', 'WinEnter' }, {
    group = augroup,
    callback = function()
        if vim.o.number and vim.api.nvim_get_mode().mode ~= 'i' then
            vim.o.relativenumber = true
        end
    end
})

vim.api.nvim_create_autocmd({ 'BufLeave', 'FocusLost', 'InsertEnter', 'WinLeave' }, {
    group = augroup,
    callback = function()
        if vim.o.number then
            vim.o.relativenumber = false
        end
    end
})

vim.api.nvim_create_autocmd('TextYankPost', {
    callback = function()
        vim.highlight.on_yank({ timeout = 300, on_visual = true })
    end
})