Show file path in the winbar

init.lua

vim.o.winbar = "%{%v:lua.require'nvim.utils.nvim.winbar'.eval()%}"

winbar.lua

local M = {}

vim.api.nvim_set_hl(0, 'WinBarPath', { bg = '#dedede', fg = '#363636' })
vim.api.nvim_set_hl(0, 'WinBarModified', { bg = '#dedede', fg = '#ff3838' })

function M.eval()
    local file_path = vim.api.nvim_eval_statusline('%f', {}).str
    local modified = vim.api.nvim_eval_statusline('%M', {}).str == '+' and '⊚' or ''

    file_path = file_path:gsub('/', ' ➤ ')

    return '%#WinBarPath#'
     .. file_path
     .. '%*'
     .. '%#WinBarModified#'
     .. modified
     .. '%*'
end

return M