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Today I wrote this little utility function to resize my current window to a comfortable width:

-- Resizes the current window to the maximum required width
function M.resize_window()
    local padding = 7
    local lines_count = vim.api.nvim_buf_line_count(0)
    local lines = vim.api.nvim_buf_get_lines(0, 0, lines_count, false)

    local longerLine = 0
    for _, line in ipairs(lines) do
        local new_len = string.len(line) or 0
        if new_len > longerLine then
            longerLine = new_len
        end
    end
    local cmd = (longerLine + padding) .. "wincmd |"
    vim.api.nvim_command(cmd)
end

As you can see, I just hardcoded some padding to a value of 7. Any way to know what value should I put as padding instead of that fixed 7 ? I guess this has to do with decorations like line-numbers, relative numbers and that stuff.

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  • This gets you the effective window width: stackoverflow.com/q/26315925/789222 You may want to use this and compare to the winwidth() to calculate a padding (or just use a hard-coded value, if this is comfortable for you) Commented Apr 27, 2022 at 5:58
  • I think I get a decent enough solution doing something like that, so thanks
    – Danielo515
    Commented Apr 28, 2022 at 6:03

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