after installing nvim-ufo some mapping has become very slower

[Aneeqasif]

Neovim version (nvim -v | head -n1)

NVIM v0.8.3 Build type: Release LuaJIT 2.1.0-beta3 Compiled by builduser

Operating system/version

archo linux

How to reproduce the issue

noremap o o nnoremap O O

Expected behavior

the o key is responding after a considerable delay, when i disbale the plugin it behaves as fast as it do normally

Actual behavior

o remaps should work properly

[kevinhwang91]

mini config

[kevinhwang91]

mini config

[Aneeqasif]

mini config

sorry i forgot here it is

vim.o.foldcolumn = '1' -- '0' is not bad
vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
vim.o.foldlevelstart = 99
vim.o.foldenable = true
vim.o.fillchars = [[eob: ,fold: ,foldopen:,foldsep:│,foldclose:]]

vim.o.foldcolumn = '1'

-- Using ufo provider need remap `zR` and `zM`. If Neovim is 0.6.1, remap yourself

-- require('ufo').setup()
-- require("ufo").setup(
--   {
--     provider_selector = function(bufnr, filetype, buftype)
--       return {"treesitter", "indent"}
--     end
--   }
-- )

local ftMap = {
    vim = 'indent',
    python = {'indent'},
    git = ''
}

require('ufo').setup({
    open_fold_hl_timeout = 150,
    close_fold_kinds = {'imports', 'comment'},
    preview = {
        win_config = {
            border = {'', '─', '', '', '', '─', '', ''},
            -- winhighlight = 'Normal:Normal',
            winhighlight = 'IncSearch:Folded',
            winblend = 0
        },
        mappings = {
            scrollU = '<C-u>',
            scrollD = '<C-d>',
            jumpTop = '[',
            jumpBot = ']'
        }
    },
    provider_selector = function(bufnr, filetype, buftype)
        -- if you prefer treesitter provider rather than lsp,
        return ftMap[filetype] or {'treesitter', 'indent'}
        -- return ftMap[filetype]

        -- refer to ./doc/example.lua for detail
    end
})
vim.keymap.set('n', 'zR', require('ufo').openAllFolds)
vim.keymap.set('n', 'zM', require('ufo').closeAllFolds)
vim.keymap.set('n', 'zr', require('ufo').openFoldsExceptKinds)
vim.keymap.set('n', 'zm', require('ufo').closeFoldsWith) -- closeAllFolds == closeFoldsWith(0)
vim.keymap.set('n', 'op', function()
    local winid = require('ufo').peekFoldedLinesUnderCursor()
    if not winid then
        -- choose one of coc.nvim and nvim lsp
        vim.fn.CocActionAsync('definitionHover') -- coc.nvim
        vim.lsp.buf.hover()
    end
end)

-- buffer scope handler
-- will override global handler if it is existed
-- local bufnr = vim.api.nvim_get_current_buf()
-- require('ufo').setFoldVirtTextHandler(bufnr, handler)
--
local handler = function(virtText, lnum, endLnum, width, truncate)
    local newVirtText = {}
    local suffix = ('  %d '):format(endLnum - lnum)
    local sufWidth = vim.fn.strdisplaywidth(suffix)
    local targetWidth = width - sufWidth
    local curWidth = 0
    for _, chunk in ipairs(virtText) do
        local chunkText = chunk[1]
        local chunkWidth = vim.fn.strdisplaywidth(chunkText)
        if targetWidth > curWidth + chunkWidth then
            table.insert(newVirtText, chunk)
        else
            chunkText = truncate(chunkText, targetWidth - curWidth)
            local hlGroup = chunk[2]
            table.insert(newVirtText, {chunkText, hlGroup})
            chunkWidth = vim.fn.strdisplaywidth(chunkText)
            -- str width returned from truncate() may less than 2nd argument, need padding
            if curWidth + chunkWidth < targetWidth then
                suffix = suffix .. (' '):rep(targetWidth - curWidth - chunkWidth)
            end
            break
        end
        curWidth = curWidth + chunkWidth
    end
    table.insert(newVirtText, {suffix, 'MoreMsg'})
    return newVirtText
end

-- global handler
-- `handler` is the 2nd parameter of `setFoldVirtTextHandler`,
-- check out `./lua/ufo.lua` and search `setFoldVirtTextHandler` for detail.
require('ufo').setup({
    fold_virt_text_handler = handler
})

[rockyzhang24]

Change your own defined map op to other key sequences not starting with key o.

If you map op, when you press key o, vim will wait for timeoutlen milliseconds for another key. So to make the builtin o work as normal, you should guarantee that no other mappings starts with o.