Files
config.nvim/lua/plug/ts_folding.lua
2025-06-17 22:33:09 +08:00

58 lines
2.3 KiB
Lua

return {
{
"kevinhwang91/nvim-ufo",
event = "VeryLazy",
dependencies = {
"kevinhwang91/promise-async",
"nvim-treesitter/nvim-treesitter",
},
config = function()
vim.o.foldenable = true
vim.o.foldcolumn = "1"
vim.o.foldlevel = 99
vim.o.foldlevelstart = 99
-- vim.keymap.set("n", "zR", require("ufo").openAllFolds)
-- vim.keymap.set("n", "zM", require("ufo").closeAllFolds)
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
-- Option 3: treesitter as a main provider instead
-- (Note: the `nvim-treesitter` plugin is *not* needed.)
require("ufo").setup({
provider_selector = function(bufnr, filetype, buftype)
return { "treesitter", "indent" }
end,
fold_virt_text_handler = handler,
})
end,
},
}