local function lsp_status()
    local attached_clients = vim.lsp.get_clients({ bufnr = 0 })
    if #attached_clients == 0 then
        return ''
    end
    local names = vim.iter(attached_clients)
        :map(function (client)
            local name = client.name:gsub('language.server', 'ls')
            return name
        end)
        :totable()
    return '[' .. table.concat(names, ', ') .. ']'
end

function _G.statusline()
    return table.concat({
        '%f',
        '%h%w%m%r',
        '%=',
        lsp_status(),
        ' %-14(%l,%c%V%)',
        '%P',
    }, ' ')
end

vim.o.statusline = '%{%v:lua._G.statusline()%}'